kallithea Changeset - effd091203ae

Changeset - effd091203ae

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Mads Kiilerich - 6 years ago 2019-12-28 23:09:48
mads@kiilerich.com

Grafted from: 1f3b99f055c5

py3: drop __unicode__ ... and generally move towards just providing a good __repr__

We should never show str() (or similar) to end users.

4 files changed with 45 insertions and 54 deletions:

kallithea/lib/auth.py

kallithea/lib/vcs/backends/base.py

kallithea/lib/vcs/nodes.py

kallithea/model/db.py

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kallithea/lib/auth.py

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@@ @@ -354,385 +354,385 @@ def _cached_perms_data(user_id, user_is_ @@
     user_user_groups_perms = Permission.get_default_user_group_perms(user_id)
     for perm in user_user_groups_perms:
         bump_permission(UK,
             perm.UserUserGroupToPerm.user_group.users_group_name,
             perm.Permission.permission_name)
     return permissions
 class AuthUser(object):
     """
     Represents a Kallithea user, including various authentication and
     authorization information. Typically used to store the current user,
     but is also used as a generic user information data structure in
     parts of the code, e.g. user management.
     Constructed from a database `User` object, a user ID or cookie dict,
     it looks up the user (if needed) and copies all attributes to itself,
     adding various non-persistent data. If lookup fails but anonymous
     access to Kallithea is enabled, the default user is loaded instead.
     `AuthUser` does not by itself authenticate users. It's up to other parts of
     the code to check e.g. if a supplied password is correct, and if so, trust
     the AuthUser object as an authenticated user.
     However, `AuthUser` does refuse to load a user that is not `active`.
     Note that Kallithea distinguishes between the default user (an actual
     user in the database with username "default") and "no user" (no actual
     User object, AuthUser filled with blank values and username "None").
     If the default user is active, that will always be used instead of
     "no user". On the other hand, if the default user is disabled (and
     there is no login information), we instead get "no user"; this should
     only happen on the login page (as all other requests are redirected).
     `is_default_user` specifically checks if the AuthUser is the user named
     "default". Use `is_anonymous` to check for both "default" and "no user".
     """
     @classmethod
     def make(cls, dbuser=None, is_external_auth=False, ip_addr=None):
         """Create an AuthUser to be authenticated ... or return None if user for some reason can't be authenticated.
         Checks that a non-None dbuser is provided, is active, and that the IP address is ok.
         """
         assert ip_addr is not None
         if dbuser is None:
             log.info('No db user for authentication')
             return None
         if not dbuser.active:
             log.info('Db user %s not active', dbuser.username)
             return None
         allowed_ips = AuthUser.get_allowed_ips(dbuser.user_id, cache=True)
         if not check_ip_access(source_ip=ip_addr, allowed_ips=allowed_ips):
             log.info('Access for %s from %s forbidden - not in %s', dbuser.username, ip_addr, allowed_ips)
             return None
         return cls(dbuser=dbuser, is_external_auth=is_external_auth)
     def __init__(self, user_id=None, dbuser=None, is_external_auth=False):
         self.is_external_auth = is_external_auth # container auth - don't show logout option
         # These attributes will be overridden by fill_data, below, unless the
         # requested user cannot be found and the default anonymous user is
         # not enabled.
         self.user_id = None
         self.username = None
         self.api_key = None
         self.name = ''
         self.lastname = ''
         self.email = ''
         self.admin = False
         # Look up database user, if necessary.
         if user_id is not None:
             assert dbuser is None
             log.debug('Auth User lookup by USER ID %s', user_id)
             dbuser = UserModel().get(user_id)
             assert dbuser is not None
         else:
             assert dbuser is not None
             log.debug('Auth User lookup by database user %s', dbuser)
         log.debug('filling %s data', dbuser)
         self.is_anonymous = dbuser.is_default_user
         if dbuser.is_default_user and not dbuser.active:
             self.username = 'None'
             self.is_default_user = False
         else:
             # copy non-confidential database fields from a `db.User` to this `AuthUser`.
             for k, v in dbuser.get_dict().iteritems():
                 assert k not in ['api_keys', 'permissions']
                 setattr(self, k, v)
             self.is_default_user = dbuser.is_default_user
         log.debug('Auth User is now %s', self)
     @LazyProperty
     def permissions(self):
         return self.__get_perms(user=self, cache=False)
     def has_repository_permission_level(self, repo_name, level, purpose=None):
         required_perms = {
             'read': ['repository.read', 'repository.write', 'repository.admin'],
             'write': ['repository.write', 'repository.admin'],
             'admin': ['repository.admin'],
         }[level]
         actual_perm = self.permissions['repositories'].get(repo_name)
         ok = actual_perm in required_perms
         log.debug('Checking if user %r can %r repo %r (%s): %s (has %r)',
             self.username, level, repo_name, purpose, ok, actual_perm)
         return ok
     def has_repository_group_permission_level(self, repo_group_name, level, purpose=None):
         required_perms = {
             'read': ['group.read', 'group.write', 'group.admin'],
             'write': ['group.write', 'group.admin'],
             'admin': ['group.admin'],
         }[level]
         actual_perm = self.permissions['repositories_groups'].get(repo_group_name)
         ok = actual_perm in required_perms
         log.debug('Checking if user %r can %r repo group %r (%s): %s (has %r)',
             self.username, level, repo_group_name, purpose, ok, actual_perm)
         return ok
     def has_user_group_permission_level(self, user_group_name, level, purpose=None):
         required_perms = {
             'read': ['usergroup.read', 'usergroup.write', 'usergroup.admin'],
             'write': ['usergroup.write', 'usergroup.admin'],
             'admin': ['usergroup.admin'],
         }[level]
         actual_perm = self.permissions['user_groups'].get(user_group_name)
         ok = actual_perm in required_perms
         log.debug('Checking if user %r can %r user group %r (%s): %s (has %r)',
             self.username, level, user_group_name, purpose, ok, actual_perm)
         return ok
     @property
     def api_keys(self):
         return self._get_api_keys()
     def __get_perms(self, user, cache=False):
         """
         Fills user permission attribute with permissions taken from database
         works for permissions given for repositories, and for permissions that
         are granted to groups
         :param user: `AuthUser` instance
         """
         user_id = user.user_id
         user_is_admin = user.is_admin
         log.debug('Getting PERMISSION tree')
         compute = conditional_cache('short_term', 'cache_desc',
                                     condition=cache, func=_cached_perms_data)
         return compute(user_id, user_is_admin)
     def _get_api_keys(self):
         api_keys = [self.api_key]
         for api_key in UserApiKeys.query() \
                 .filter_by(user_id=self.user_id, is_expired=False):
             api_keys.append(api_key.api_key)
         return api_keys
     @property
     def is_admin(self):
         return self.admin
     @property
     def repositories_admin(self):
         """
         Returns list of repositories you're an admin of
         """
         return [x[0] for x in self.permissions['repositories'].iteritems()
                 if x[1] == 'repository.admin']
     @property
     def repository_groups_admin(self):
         """
         Returns list of repository groups you're an admin of
         """
         return [x[0] for x in self.permissions['repositories_groups'].iteritems()
                 if x[1] == 'group.admin']
     @property
     def user_groups_admin(self):
         """
         Returns list of user groups you're an admin of
         """
         return [x[0] for x in self.permissions['user_groups'].iteritems()
                 if x[1] == 'usergroup.admin']
     def __repr__(self):
-        return "<AuthUser('id:%s[%s]')>" % (self.user_id, self.username)
+        return "<%s %s: %r>" % (self.__class__.__name__, self.user_id, self.username)
     def to_cookie(self):
         """ Serializes this login session to a cookie `dict`. """
         return {
             'user_id': self.user_id,
             'is_external_auth': self.is_external_auth,
+        }
     @staticmethod
     def from_cookie(cookie, ip_addr):
         """
         Deserializes an `AuthUser` from a cookie `dict` ... or return None.
         """
         return AuthUser.make(
             dbuser=UserModel().get(cookie.get('user_id')),
             is_external_auth=cookie.get('is_external_auth', False),
             ip_addr=ip_addr,
+        )
     @classmethod
     def get_allowed_ips(cls, user_id, cache=False):
         _set = set()
         default_ips = UserIpMap.query().filter(UserIpMap.user_id ==
                                         User.get_default_user(cache=True).user_id)
         if cache:
             default_ips = default_ips.options(FromCache("sql_cache_short",
                                               "get_user_ips_default"))
         for ip in default_ips:
             try:
                 _set.add(ip.ip_addr)
             except ObjectDeletedError:
                 # since we use heavy caching sometimes it happens that we get
                 # deleted objects here, we just skip them
                 pass
         user_ips = UserIpMap.query().filter(UserIpMap.user_id == user_id)
         if cache:
             user_ips = user_ips.options(FromCache("sql_cache_short",
                                                   "get_user_ips_%s" % user_id))
         for ip in user_ips:
             try:
                 _set.add(ip.ip_addr)
             except ObjectDeletedError:
                 # since we use heavy caching sometimes it happens that we get
                 # deleted objects here, we just skip them
                 pass
         return _set or set(['0.0.0.0/0', '::/0'])
 #==============================================================================
 # CHECK DECORATORS
 #==============================================================================
 def _redirect_to_login(message=None):
     """Return an exception that must be raised. It will redirect to the login
     page which will redirect back to the current URL after authentication.
     The optional message will be shown in a flash message."""
     from kallithea.lib import helpers as h
     if message:
         h.flash(message, category='warning')
     p = request.path_qs
     log.debug('Redirecting to login page, origin: %s', p)
     return HTTPFound(location=url('login_home', came_from=p))
 # Use as decorator
 class LoginRequired(object):
     """Client must be logged in as a valid User, or we'll redirect to the login
     page.
     If the "default" user is enabled and allow_default_user is true, that is
     considered valid too.
     Also checks that IP address is allowed.
     """
     def __init__(self, allow_default_user=False):
         self.allow_default_user = allow_default_user
     def __call__(self, func):
         return decorator(self.__wrapper, func)
     def __wrapper(self, func, *fargs, **fkwargs):
         controller = fargs[0]
         user = request.authuser
         loc = "%s:%s" % (controller.__class__.__name__, func.__name__)
         log.debug('Checking access for user %s @ %s', user, loc)
         # regular user authentication
         if user.is_default_user:
             if self.allow_default_user:
                 log.info('default user @ %s', loc)
                 return func(*fargs, **fkwargs)
             log.info('default user is not accepted here @ %s', loc)
         elif user.is_anonymous: # default user is disabled and no proper authentication
             log.warning('user is anonymous and NOT authenticated with regular auth @ %s', loc)
         else: # regular authentication
             log.info('user %s authenticated with regular auth @ %s', user, loc)
             return func(*fargs, **fkwargs)
         raise _redirect_to_login()
 # Use as decorator
 class NotAnonymous(object):
     """Ensures that client is not logged in as the "default" user, and
     redirects to the login page otherwise. Must be used together with
     LoginRequired."""
     def __call__(self, func):
         return decorator(self.__wrapper, func)
     def __wrapper(self, func, *fargs, **fkwargs):
         cls = fargs[0]
         user = request.authuser
         log.debug('Checking that user %s is not anonymous @%s', user.username, cls)
         if user.is_default_user:
             raise _redirect_to_login(_('You need to be a registered user to '
                                        'perform this action'))
         else:
             return func(*fargs, **fkwargs)
 class _PermsDecorator(object):
     """Base class for controller decorators with multiple permissions"""
     def __init__(self, *required_perms):
         self.required_perms = required_perms # usually very short - a list is thus fine
     def __call__(self, func):
         return decorator(self.__wrapper, func)
     def __wrapper(self, func, *fargs, **fkwargs):
         cls = fargs[0]
         user = request.authuser
         log.debug('checking %s permissions %s for %s %s',
           self.__class__.__name__, self.required_perms, cls, user)
         if self.check_permissions(user):
             log.debug('Permission granted for %s %s', cls, user)
             return func(*fargs, **fkwargs)
         else:
             log.info('Permission denied for %s %s', cls, user)
             if user.is_default_user:
                 raise _redirect_to_login(_('You need to be signed in to view this page'))
             else:
                 raise HTTPForbidden()
     def check_permissions(self, user):
         raise NotImplementedError()
 class HasPermissionAnyDecorator(_PermsDecorator):
     """
     Checks the user has any of the given global permissions.
     """
     def check_permissions(self, user):
         global_permissions = user.permissions['global'] # usually very short
         return any(p in global_permissions for p in self.required_perms)
 class _PermDecorator(_PermsDecorator):
     """Base class for controller decorators with a single permission"""
     def __init__(self, required_perm):
         _PermsDecorator.__init__(self, [required_perm])
         self.required_perm = required_perm
 class HasRepoPermissionLevelDecorator(_PermDecorator):
     """
     Checks the user has at least the specified permission level for the requested repository.
     """
     def check_permissions(self, user):
         repo_name = get_repo_slug(request)
         return user.has_repository_permission_level(repo_name, self.required_perm)
 class HasRepoGroupPermissionLevelDecorator(_PermDecorator):
     """
     Checks the user has any of given permissions for the requested repository group.
     """
     def check_permissions(self, user):
         repo_group_name = get_repo_group_slug(request)
         return user.has_repository_group_permission_level(repo_group_name, self.required_perm)

kallithea/lib/vcs/backends/base.py

➞

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@@ @@ -176,387 +176,384 @@ class BaseRepository(object): @@
     def count(self):
         return len(self.revisions)
     def tag(self, name, user, revision=None, message=None, date=None, **opts):
         """
         Creates and returns a tag for the given ``revision``.
         :param name: name for new tag
         :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
         :param revision: changeset id for which new tag would be created
         :param message: message of the tag's commit
         :param date: date of tag's commit
         :raises TagAlreadyExistError: if tag with same name already exists
         """
         raise NotImplementedError
     def remove_tag(self, name, user, message=None, date=None):
         """
         Removes tag with the given ``name``.
         :param name: name of the tag to be removed
         :param user: full username, i.e.: "Joe Doe <joe.doe@example.com>"
         :param message: message of the tag's removal commit
         :param date: date of tag's removal commit
         :raises TagDoesNotExistError: if tag with given name does not exists
         """
         raise NotImplementedError
     def get_diff(self, rev1, rev2, path=None, ignore_whitespace=False,
             context=3):
         """
         Returns (git like) *diff*, as plain text. Shows changes introduced by
         ``rev2`` since ``rev1``.
         :param rev1: Entry point from which diff is shown. Can be
           ``self.EMPTY_CHANGESET`` - in this case, patch showing all
           the changes since empty state of the repository until ``rev2``
         :param rev2: Until which revision changes should be shown.
         :param ignore_whitespace: If set to ``True``, would not show whitespace
           changes. Defaults to ``False``.
         :param context: How many lines before/after changed lines should be
           shown. Defaults to ``3``.
         """
         raise NotImplementedError
     # ========== #
     # COMMIT API #
     # ========== #
     @LazyProperty
     def in_memory_changeset(self):
         """
         Returns ``InMemoryChangeset`` object for this repository.
         """
         raise NotImplementedError
     def add(self, filenode, **kwargs):
         """
         Commit api function that will add given ``FileNode`` into this
         repository.
         :raises ``NodeAlreadyExistsError``: if there is a file with same path
           already in repository
         :raises ``NodeAlreadyAddedError``: if given node is already marked as
           *added*
         """
         raise NotImplementedError
     def remove(self, filenode, **kwargs):
         """
         Commit api function that will remove given ``FileNode`` into this
         repository.
         :raises ``EmptyRepositoryError``: if there are no changesets yet
         :raises ``NodeDoesNotExistError``: if there is no file with given path
         """
         raise NotImplementedError
     def commit(self, message, **kwargs):
         """
         Persists current changes made on this repository and returns newly
         created changeset.
         :raises ``NothingChangedError``: if no changes has been made
         """
         raise NotImplementedError
     def get_state(self):
         """
         Returns dictionary with ``added``, ``changed`` and ``removed`` lists
         containing ``FileNode`` objects.
         """
         raise NotImplementedError
     def get_config_value(self, section, name, config_file=None):
         """
         Returns configuration value for a given [``section``] and ``name``.
         :param section: Section we want to retrieve value from
         :param name: Name of configuration we want to retrieve
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     def get_user_name(self, config_file=None):
         """
         Returns user's name from global configuration file.
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     def get_user_email(self, config_file=None):
         """
         Returns user's email from global configuration file.
         :param config_file: A path to file which should be used to retrieve
           configuration from (might also be a list of file paths)
         """
         raise NotImplementedError
     # =========== #
     # WORKDIR API #
     # =========== #
     @LazyProperty
     def workdir(self):
         """
         Returns ``Workdir`` instance for this repository.
         """
         raise NotImplementedError
 class BaseChangeset(object):
     """
     Each backend should implement it's changeset representation.
     **Attributes**
         ``repository``
             repository object within which changeset exists
         ``id``
             may be ``raw_id`` or i.e. for mercurial's tip just ``tip``
         ``raw_id``
             raw changeset representation (i.e. full 40 length sha for git
             backend)
         ``short_id``
             shortened (if apply) version of ``raw_id``; it would be simple
             shortcut for ``raw_id[:12]`` for git/mercurial backends or same
             as ``raw_id`` for subversion
         ``revision``
             revision number as integer
         ``files``
             list of ``FileNode`` (``Node`` with NodeKind.FILE) objects
         ``dirs``
             list of ``DirNode`` (``Node`` with NodeKind.DIR) objects
         ``nodes``
             combined list of ``Node`` objects
         ``author``
             author of the changeset, as unicode
         ``message``
             message of the changeset, as unicode
         ``parents``
             list of parent changesets
         ``last``
             ``True`` if this is last changeset in repository, ``False``
             otherwise; trying to access this attribute while there is no
             changesets would raise ``EmptyRepositoryError``
     """
     def __str__(self):
         return '<%s at %s:%s>' % (self.__class__.__name__, self.revision,
             self.short_id)
     def __repr__(self):
         return self.__str__()
     def __unicode__(self):
         return u'%s:%s' % (self.revision, self.short_id)
     def __eq__(self, other):
         if type(self) is not type(other):
             return False
         return self.raw_id == other.raw_id
     def __json__(self, with_file_list=False):
         if with_file_list:
             return dict(
                 short_id=self.short_id,
                 raw_id=self.raw_id,
                 revision=self.revision,
                 message=self.message,
                 date=self.date,
                 author=self.author,
                 added=[safe_unicode(el.path) for el in self.added],
                 changed=[safe_unicode(el.path) for el in self.changed],
                 removed=[safe_unicode(el.path) for el in self.removed],
+            )
         else:
             return dict(
                 short_id=self.short_id,
                 raw_id=self.raw_id,
                 revision=self.revision,
                 message=self.message,
                 date=self.date,
                 author=self.author,
+            )
     @LazyProperty
     def last(self):
         if self.repository is None:
             raise ChangesetError("Cannot check if it's most recent revision")
         return self.raw_id == self.repository.revisions[-1]
     @LazyProperty
     def parents(self):
         """
         Returns list of parents changesets.
         """
         raise NotImplementedError
     @LazyProperty
     def children(self):
         """
         Returns list of children changesets.
         """
         raise NotImplementedError
     @LazyProperty
     def id(self):
         """
         Returns string identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def raw_id(self):
         """
         Returns raw string identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def short_id(self):
         """
         Returns shortened version of ``raw_id`` attribute, as string,
         identifying this changeset, useful for web representation.
         """
         raise NotImplementedError
     @LazyProperty
     def revision(self):
         """
         Returns integer identifying this changeset.
         """
         raise NotImplementedError
     @LazyProperty
     def committer(self):
         """
         Returns Committer for given commit
         """
         raise NotImplementedError
     @LazyProperty
     def committer_name(self):
         """
         Returns Author name for given commit
         """
         return author_name(self.committer)
     @LazyProperty
     def committer_email(self):
         """
         Returns Author email address for given commit
         """
         return author_email(self.committer)
     @LazyProperty
     def author(self):
         """
         Returns Author for given commit
         """
         raise NotImplementedError
     @LazyProperty
     def author_name(self):
         """
         Returns Author name for given commit
         """
         return author_name(self.author)
     @LazyProperty
     def author_email(self):
         """
         Returns Author email address for given commit
         """
         return author_email(self.author)
     def get_file_mode(self, path):
         """
         Returns stat mode of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_content(self, path):
         """
         Returns content of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_size(self, path):
         """
         Returns size of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_changeset(self, path):
         """
         Returns last commit of the file at the given ``path``.
         """
         raise NotImplementedError
     def get_file_history(self, path):
         """
         Returns history of file as reversed list of ``Changeset`` objects for
         which file at given ``path`` has been modified.
         """
         raise NotImplementedError
     def get_nodes(self, path):
         """
         Returns combined ``DirNode`` and ``FileNode`` objects list representing
         state of changeset at the given ``path``.
         :raises ``ChangesetError``: if node at the given ``path`` is not
           instance of ``DirNode``
         """
         raise NotImplementedError
     def get_node(self, path):
         """
         Returns ``Node`` object from the given ``path``.
         :raises ``NodeDoesNotExistError``: if there is no node at the given
           ``path``
         """
         raise NotImplementedError
     def fill_archive(self, stream=None, kind='tgz', prefix=None):
         """
         Fills up given stream.
         :param stream: file like object.
         :param kind: one of following: ``zip``, ``tar``, ``tgz``
             or ``tbz2``. Default: ``tgz``.
         :param prefix: name of root directory in archive.
             Default is repository name and changeset's raw_id joined with dash.
             repo-tip.<kind>
         """
         raise NotImplementedError
     def get_chunked_archive(self, **kwargs):

kallithea/lib/vcs/nodes.py

➞

Show inline comments

 # -*- coding: utf-8 -*-
 """
     vcs.nodes
     ~~~~~~~~~
     Module holding everything related to vcs nodes.
     :created_on: Apr 8, 2010
     :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.
 """
 import functools
 import mimetypes
 import posixpath
 import stat
 from kallithea.lib.vcs.backends.base import EmptyChangeset
 from kallithea.lib.vcs.exceptions import NodeError, RemovedFileNodeError
 from kallithea.lib.vcs.utils import safe_bytes, safe_str, safe_unicode
 from kallithea.lib.vcs.utils.lazy import LazyProperty
 class NodeKind:
     SUBMODULE = -1
     DIR = 1
     FILE = 2
 class NodeState:
     ADDED = u'added'
     CHANGED = u'changed'
     NOT_CHANGED = u'not changed'
     REMOVED = u'removed'
 class NodeGeneratorBase(object):
     """
     Base class for removed added and changed filenodes, it's a lazy generator
     class that will create filenodes only on iteration or call
     The len method doesn't need to create filenodes at all
     """
     def __init__(self, current_paths, cs):
         self.cs = cs
         self.current_paths = current_paths
     def __call__(self):
         return [n for n in self]
     def __getitem__(self, key):
         assert isinstance(key, slice), key
         for p in self.current_paths[key]:
             yield self.cs.get_node(p)
     def __len__(self):
         return len(self.current_paths)
     def __iter__(self):
         for p in self.current_paths:
             yield self.cs.get_node(p)
 class AddedFileNodesGenerator(NodeGeneratorBase):
     """
     Class holding Added files for current changeset
     """
     pass
 class ChangedFileNodesGenerator(NodeGeneratorBase):
     """
     Class holding Changed files for current changeset
     """
     pass
 class RemovedFileNodesGenerator(NodeGeneratorBase):
     """
     Class holding removed files for current changeset
     """
     def __iter__(self):
         for p in self.current_paths:
             yield RemovedFileNode(path=p)
     def __getitem__(self, key):
         assert isinstance(key, slice), key
         for p in self.current_paths[key]:
             yield RemovedFileNode(path=p)
 @functools.total_ordering
 class Node(object):
     """
     Simplest class representing file or directory on repository.  SCM backends
     should use ``FileNode`` and ``DirNode`` subclasses rather than ``Node``
     directly.
     Node's ``path`` cannot start with slash as we operate on *relative* paths
     only. Moreover, every single node is identified by the ``path`` attribute,
     so it cannot end with slash, too. Otherwise, path could lead to mistakes.
     """
     def __init__(self, path, kind):
         if path.startswith('/'):
             raise NodeError("Cannot initialize Node objects with slash at "
                             "the beginning as only relative paths are supported")
         self.path = safe_str(path.rstrip('/'))  # we store paths as str
         if path == '' and kind != NodeKind.DIR:
             raise NodeError("Only DirNode and its subclasses may be "
                             "initialized with empty path")
         self.kind = kind
         #self.dirs, self.files = [], []
         if self.is_root() and not self.is_dir():
             raise NodeError("Root node cannot be FILE kind")
     @LazyProperty
     def parent(self):
         parent_path = self.get_parent_path()
         if parent_path:
             if self.changeset:
                 return self.changeset.get_node(parent_path)
             return DirNode(parent_path)
         return None
     @LazyProperty
     def name(self):
         """
         Returns name of the node so if its path
         then only last part is returned.
         """
         return safe_unicode(self.path.rstrip('/').split('/')[-1])
     def _get_kind(self):
         return self._kind
     def _set_kind(self, kind):
         if hasattr(self, '_kind'):
             raise NodeError("Cannot change node's kind")
         else:
             self._kind = kind
             # Post setter check (path's trailing slash)
             if self.path.endswith('/'):
                 raise NodeError("Node's path cannot end with slash")
     kind = property(_get_kind, _set_kind)
     def __eq__(self, other):
         if type(self) is not type(other):
             return False
         if self._kind != other._kind:
             return False
         if self.path != other.path:
             return False
         if self.is_file():
             return self.content == other.content
         else:
             # For DirNode's check without entering each dir
             self_nodes_paths = list(sorted(n.path for n in self.nodes))
             other_nodes_paths = list(sorted(n.path for n in self.nodes))
             return self_nodes_paths == other_nodes_paths
     def __lt__(self, other):
         if self._kind < other._kind:
             return True
         if self._kind > other._kind:
             return False
         if self.path < other.path:
             return True
         if self.path > other.path:
             return False
         if self.is_file():
             return self.content < other.content
         else:
             # For DirNode's check without entering each dir
             self_nodes_paths = list(sorted(n.path for n in self.nodes))
             other_nodes_paths = list(sorted(n.path for n in self.nodes))
             return self_nodes_paths < other_nodes_paths
     def __repr__(self):
         return '<%s %r>' % (self.__class__.__name__, self.path)
     def __str__(self):
         return self.__repr__()
     def __unicode__(self):
         return self.name
     def get_parent_path(self):
         """
         Returns node's parent path or empty string if node is root.
         """
         if self.is_root():
             return ''
         return posixpath.dirname(self.path.rstrip('/')) + '/'
     def is_file(self):
         """
         Returns ``True`` if node's kind is ``NodeKind.FILE``, ``False``
         otherwise.
         """
         return self.kind == NodeKind.FILE
     def is_dir(self):
         """
         Returns ``True`` if node's kind is ``NodeKind.DIR``, ``False``
         otherwise.
         """
         return self.kind == NodeKind.DIR
     def is_root(self):
         """
         Returns ``True`` if node is a root node and ``False`` otherwise.
         """
         return self.kind == NodeKind.DIR and self.path == ''
     def is_submodule(self):
         """
         Returns ``True`` if node's kind is ``NodeKind.SUBMODULE``, ``False``
         otherwise.
         """
         return self.kind == NodeKind.SUBMODULE
     @LazyProperty
     def added(self):
         return self.state is NodeState.ADDED
     @LazyProperty
     def changed(self):
         return self.state is NodeState.CHANGED
     @LazyProperty
     def not_changed(self):
         return self.state is NodeState.NOT_CHANGED
     @LazyProperty
     def removed(self):
         return self.state is NodeState.REMOVED
 class FileNode(Node):
     """
     Class representing file nodes.
     :attribute: path: path to the node, relative to repository's root
     :attribute: content: if given arbitrary sets content of the file
     :attribute: changeset: if given, first time content is accessed, callback
     :attribute: mode: octal stat mode for a node. Default is 0100644.
     """
     def __init__(self, path, content=None, changeset=None, mode=None):
         """
         Only one of ``content`` and ``changeset`` may be given. Passing both
         would raise ``NodeError`` exception.
         :param path: relative path to the node
         :param content: content may be passed to constructor
         :param changeset: if given, will use it to lazily fetch content
         :param mode: octal representation of ST_MODE (i.e. 0100644)
         """
         if content and changeset:
             raise NodeError("Cannot use both content and changeset")
         super(FileNode, self).__init__(path, kind=NodeKind.FILE)
         self.changeset = changeset
         if not isinstance(content, bytes) and content is not None:
             # File content is one thing that inherently must be bytes ... but
             # VCS module tries to be "user friendly" and support unicode ...
             content = safe_bytes(content)
         self._content = content
         self._mode = mode or 0o100644
     @LazyProperty
     def mode(self):
         """
         Returns lazily mode of the FileNode. If ``changeset`` is not set, would
         use value given at initialization or 0100644 (default).
         """
         if self.changeset:
             mode = self.changeset.get_file_mode(self.path)
         else:
             mode = self._mode
         return mode
     @property
     def content(self):
         """
         Returns lazily byte content of the FileNode.
         """
         if self.changeset:
             content = self.changeset.get_file_content(self.path)
         else:
             content = self._content
         return content
     @LazyProperty
     def size(self):
         if self.changeset:
             return self.changeset.get_file_size(self.path)
         raise NodeError("Cannot retrieve size of the file without related "
             "changeset attribute")
     @LazyProperty
     def message(self):
         if self.changeset:
             return self.last_changeset.message
         raise NodeError("Cannot retrieve message of the file without related "
             "changeset attribute")
     @LazyProperty
     def last_changeset(self):
         if self.changeset:
             return self.changeset.get_file_changeset(self.path)
         raise NodeError("Cannot retrieve last changeset of the file without "
             "related changeset attribute")
     def get_mimetype(self):
         """
         Mimetype is calculated based on the file's content.
         """
         mtype, encoding = mimetypes.guess_type(self.name)
         if mtype is None:
             if self.is_binary:
                 mtype = 'application/octet-stream'
                 encoding = None
             else:
                 mtype = 'text/plain'
                 encoding = None
                 # try with pygments
                 try:
                     from pygments import lexers
                     mt = lexers.get_lexer_for_filename(self.name).mimetypes
                 except lexers.ClassNotFound:
                     mt = None
                 if mt:
                     mtype = mt[0]
         return mtype, encoding
     @LazyProperty
     def mimetype(self):
         """
         Wrapper around full mimetype info. It returns only type of fetched
         mimetype without the encoding part. use get_mimetype function to fetch
         full set of (type,encoding)
         """
         return self.get_mimetype()[0]
     @LazyProperty
     def mimetype_main(self):
         return self.mimetype.split('/')[0]
     @LazyProperty
     def lexer(self):
         """
         Returns pygment's lexer class. Would try to guess lexer taking file's
         content, name and mimetype.
         """
         from pygments import lexers
         try:
             lexer = lexers.guess_lexer_for_filename(self.name, safe_unicode(self.content), stripnl=False)
         except lexers.ClassNotFound:
             lexer = lexers.TextLexer(stripnl=False)
         # returns first alias
         return lexer
     @LazyProperty
     def lexer_alias(self):
         """
         Returns first alias of the lexer guessed for this file.
         """
         return self.lexer.aliases[0]
     @LazyProperty
     def history(self):
         """

kallithea/model/db.py

➞

Show inline comments

 # -*- coding: utf-8 -*-
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
+#
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 kallithea.model.db
 ~~~~~~~~~~~~~~~~~~
 Database Models for Kallithea
 This file was forked by the Kallithea project in July 2014.
 Original author and date, and relevant copyright and licensing information is below:
 :created_on: Apr 08, 2010
 :author: marcink
 :copyright: (c) 2013 RhodeCode GmbH, and others.
 :license: GPLv3, see LICENSE.md for more details.
 """
 import base64
 import collections
 import datetime
 import functools
 import hashlib
 import logging
 import os
 import time
 import traceback
 import ipaddr
 import sqlalchemy
 from beaker.cache import cache_region, region_invalidate
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import class_mapper, joinedload, relationship, validates
 from tg.i18n import lazy_ugettext as _
 from webob.exc import HTTPNotFound
 import kallithea
 from kallithea.lib.caching_query import FromCache
 from kallithea.lib.compat import json
 from kallithea.lib.exceptions import DefaultUserException
 from kallithea.lib.utils2 import Optional, aslist, get_changeset_safe, get_clone_url, remove_prefix, safe_int, safe_str, safe_unicode, str2bool, urlreadable
 from kallithea.lib.vcs import get_backend
 from kallithea.lib.vcs.backends.base import EmptyChangeset
 from kallithea.lib.vcs.utils.helpers import get_scm
 from kallithea.lib.vcs.utils.lazy import LazyProperty
 from kallithea.model.meta import Base, Session
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 class BaseDbModel(object):
     """
     Base Model for all classes
     """
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         # Note: not a normal dict - iterator gives "users.firstname", but keys gives "firstname"
         return class_mapper(cls).c.keys()
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
     def get_appstruct(self):
         """return list with keys and values tuples corresponding
         to this model data """
         return [
             (k, getattr(self, k))
             for k in self._get_keys()
+        ]
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
     @classmethod
     def query(cls):
         return Session().query(cls)
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
     @classmethod
     def guess_instance(cls, value, callback=None):
         """Haphazardly attempt to convert `value` to a `cls` instance.
         If `value` is None or already a `cls` instance, return it. If `value`
         is a number (or looks like one if you squint just right), assume it's
         a database primary key and let SQLAlchemy sort things out. Otherwise,
         fall back to resolving it using `callback` (if specified); this could
         e.g. be a function that looks up instances by name (though that won't
         work if the name begins with a digit). Otherwise, raise Exception.
         """
         if value is None:
             return None
         if isinstance(value, cls):
             return value
         if isinstance(value, (int, long)):
             return cls.get(value)
         if isinstance(value, basestring) and value.isdigit():
             return cls.get(int(value))
         if callback is not None:
             return callback(value)
         raise Exception(
             'given object must be int, long or Instance of %s '
             'got %s, no callback provided' % (cls, type(value))
+        )
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
         res = cls.query().get(id_)
         if res is None:
             raise HTTPNotFound
         return res
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             try:
                 return safe_str(self.__unicode__())
             except UnicodeDecodeError:
                 pass
         return '<DB:%s>' % (self.__class__.__name__)
 _table_args_default_dict = {'extend_existing': True,
                             'mysql_engine': 'InnoDB',
                             'mysql_charset': 'utf8',
                             'sqlite_autoincrement': True,
+                           }
 class Setting(Base, BaseDbModel):
     __tablename__ = 'settings'
     __table_args__ = (
         _table_args_default_dict,
+    )
     SETTINGS_TYPES = {
         'str': safe_str,
         'int': safe_int,
         'unicode': safe_unicode,
         'bool': str2bool,
         'list': functools.partial(aslist, sep=',')
+    }
     DEFAULT_UPDATE_URL = ''
     app_settings_id = Column(Integer(), primary_key=True)
     app_settings_name = Column(String(255), nullable=False, unique=True)
     _app_settings_value = Column("app_settings_value", Unicode(4096), nullable=False)
     _app_settings_type = Column("app_settings_type", String(255), nullable=True) # FIXME: not nullable?
     def __init__(self, key='', val='', type='unicode'):
         self.app_settings_name = key
         self.app_settings_value = val
         self.app_settings_type = type
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert isinstance(val, unicode)
         return val
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         _type = self.app_settings_type
         converter = self.SETTINGS_TYPES.get(_type) or self.SETTINGS_TYPES['unicode']
         return converter(v)
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
     @hybrid_property
     def app_settings_type(self):
         return self._app_settings_type
     @app_settings_type.setter
     def app_settings_type(self, val):
         if val not in self.SETTINGS_TYPES:
             raise Exception('type must be one of %s got %s'
                             % (list(self.SETTINGS_TYPES), val))
         self._app_settings_type = val
     def __unicode__(self):
         return u"<%s('%s:%s[%s]')>" % (
     def __repr__(self):
         return "<%s %s.%s=%r>" % (
             self.__class__.__name__,
-            self.app_settings_name, self.app_settings_value, self.app_settings_type
+            self.app_settings_name, self.app_settings_type, self.app_settings_value
+        )
     @classmethod
     def get_by_name(cls, key):
         return cls.query() \
             .filter(cls.app_settings_name == key).scalar()
     @classmethod
     def get_by_name_or_create(cls, key, val='', type='unicode'):
         res = cls.get_by_name(key)
         if res is None:
             res = cls(key, val, type)
         return res
     @classmethod
     def create_or_update(cls, key, val=Optional(''), type=Optional('unicode')):
         """
         Creates or updates Kallithea setting. If updates are triggered, it will only
         update parameters that are explicitly set. Optional instance will be skipped.
         :param key:
         :param val:
         :param type:
         :return:
         """
         res = cls.get_by_name(key)
         if res is None:
             val = Optional.extract(val)
             type = Optional.extract(type)
             res = cls(key, val, type)
             Session().add(res)
         else:
             res.app_settings_name = key
             if not isinstance(val, Optional):
                 # update if set
                 res.app_settings_value = val
             if not isinstance(type, Optional):
                 # update if set
                 res.app_settings_type = type
         return res
     @classmethod
     def get_app_settings(cls, cache=False):
         ret = cls.query()
         if cache:
             ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
         if ret is None:
             raise Exception('Could not get application settings !')
         settings = {}
         for each in ret:
             settings[each.app_settings_name] = \
                 each.app_settings_value
         return settings
     @classmethod
     def get_auth_settings(cls, cache=False):
         ret = cls.query() \
                 .filter(cls.app_settings_name.startswith('auth_')).all()
         fd = {}
         for row in ret:
             fd[row.app_settings_name] = row.app_settings_value
         return fd
     @classmethod
     def get_default_repo_settings(cls, cache=False, strip_prefix=False):
         ret = cls.query() \
                 .filter(cls.app_settings_name.startswith('default_')).all()
         fd = {}
         for row in ret:
             key = row.app_settings_name
             if strip_prefix:
                 key = remove_prefix(key, prefix='default_')
             fd.update({key: row.app_settings_value})
         return fd
     @classmethod
     def get_server_info(cls):
         import pkg_resources
         import platform
         from kallithea.lib.utils import check_git_version
         mods = [(p.project_name, p.version) for p in pkg_resources.working_set]
         info = {
             'modules': sorted(mods, key=lambda k: k[0].lower()),
             'py_version': platform.python_version(),
             'platform': safe_unicode(platform.platform()),
             'kallithea_version': kallithea.__version__,
             'git_version': safe_unicode(check_git_version()),
             'git_path': kallithea.CONFIG.get('git_path')
+        }
         return info
 class Ui(Base, BaseDbModel):
     __tablename__ = 'ui'
     __table_args__ = (
         # FIXME: ui_key as key is wrong and should be removed when the corresponding
         # Ui.get_by_key has been replaced by the composite key
         UniqueConstraint('ui_key'),
         UniqueConstraint('ui_section', 'ui_key'),
         _table_args_default_dict,
+    )
     HOOK_UPDATE = 'changegroup.update'
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     ui_id = Column(Integer(), primary_key=True)
     ui_section = Column(String(255), nullable=False)
     ui_key = Column(String(255), nullable=False)
     ui_value = Column(String(255), nullable=True) # FIXME: not nullable?
     ui_active = Column(Boolean(), nullable=False, default=True)
     @classmethod
     def get_by_key(cls, section, key):
         """ Return specified Ui object, or None if not found. """
         return cls.query().filter_by(ui_section=section, ui_key=key).scalar()
     @classmethod
     def get_or_create(cls, section, key):
         """ Return specified Ui object, creating it if necessary. """
         setting = cls.get_by_key(section, key)
         if setting is None:
             setting = cls(ui_section=section, ui_key=key)
             Session().add(setting)
         return setting
     @classmethod
     def get_builtin_hooks(cls):
         q = cls.query()
         q = q.filter(cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
     @classmethod
     def get_custom_hooks(cls):
         q = cls.query()
         q = q.filter(~cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
     @classmethod
     def get_repos_location(cls):
         return cls.get_by_key('paths', '/').ui_value
     @classmethod
     def create_or_update_hook(cls, key, val):
         new_ui = cls.get_or_create('hooks', key)
         new_ui.ui_active = True
         new_ui.ui_value = val
     def __repr__(self):
         return '<%s[%s]%s=>%s]>' % (self.__class__.__name__, self.ui_section,
                                     self.ui_key, self.ui_value)
         return '<%s %s.%s=%r>' % (
             self.__class__.__name__,
             self.ui_section, self.ui_key, self.ui_value)
 class User(Base, BaseDbModel):
     __tablename__ = 'users'
     __table_args__ = (
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         _table_args_default_dict,
+    )
     DEFAULT_USER = 'default'
     DEFAULT_GRAVATAR_URL = 'https://secure.gravatar.com/avatar/{md5email}?d=identicon&s={size}'
     # The name of the default auth type in extern_type, 'internal' lives in auth_internal.py
     DEFAULT_AUTH_TYPE = 'internal'
     user_id = Column(Integer(), primary_key=True)
     username = Column(String(255), nullable=False, unique=True)
     password = Column(String(255), nullable=False)
     active = Column(Boolean(), nullable=False, default=True)
     admin = Column(Boolean(), nullable=False, default=False)
     name = Column("firstname", Unicode(255), nullable=False)
     lastname = Column(Unicode(255), nullable=False)
     _email = Column("email", String(255), nullable=True, unique=True) # FIXME: not nullable?
     last_login = Column(DateTime(timezone=False), nullable=True)
     extern_type = Column(String(255), nullable=True) # FIXME: not nullable?
     extern_name = Column(String(255), nullable=True) # FIXME: not nullable?
     api_key = Column(String(255), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     _user_data = Column("user_data", LargeBinary(), nullable=True)  # JSON data # FIXME: not nullable?
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
     repositories = relationship('Repository')
     repo_groups = relationship('RepoGroup')
     user_groups = relationship('UserGroup')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
     group_member = relationship('UserGroupMember', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     # extra emails for this user
     user_emails = relationship('UserEmailMap', cascade='all')
     # extra API keys
     user_api_keys = relationship('UserApiKeys', cascade='all')
     ssh_keys = relationship('UserSshKeys', cascade='all')
     @hybrid_property
     def email(self):
         return self._email
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
     @property
     def firstname(self):
         # alias for future
         return self.name
     @property
     def emails(self):
         other = UserEmailMap.query().filter(UserEmailMap.user == self).all()
         return [self.email] + [x.email for x in other]
     @property
     def api_keys(self):
         other = UserApiKeys.query().filter(UserApiKeys.user == self).all()
         return [self.api_key] + [x.api_key for x in other]
     @property
     def ip_addresses(self):
         ret = UserIpMap.query().filter(UserIpMap.user == self).all()
         return [x.ip_addr for x in ret]
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
     @property
     def full_name_or_username(self):
         """
         Show full name.
         If full name is not set, fall back to username.
         """
         return ('%s %s' % (self.firstname, self.lastname)
                 if (self.firstname and self.lastname) else self.username)
     @property
     def full_name_and_username(self):
         """
         Show full name and username as 'Firstname Lastname (username)'.
         If full name is not set, fall back to username.
         """
         return ('%s %s (%s)' % (self.firstname, self.lastname, self.username)
                 if (self.firstname and self.lastname) else self.username)
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
     @property
     def is_admin(self):
         return self.admin
     @hybrid_property
     def is_default_user(self):
         return self.username == User.DEFAULT_USER
     @hybrid_property
     def user_data(self):
         if not self._user_data:
             return {}
         try:
             return json.loads(self._user_data)
         except TypeError:
             return {}
     @user_data.setter
     def user_data(self, val):
         try:
             self._user_data = json.dumps(val)
         except Exception:
             log.error(traceback.format_exc())
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.user_id, self.username)
     def __repr__(self):
         return "<%s %s: %r')>" % (self.__class__.__name__, self.user_id, self.username)
     @classmethod
     def guess_instance(cls, value):
         return super(User, cls).guess_instance(value, User.get_by_username)
     @classmethod
     def get_or_404(cls, id_, allow_default=True):
         '''
         Overridden version of BaseDbModel.get_or_404, with an extra check on
         the default user.
         '''
         user = super(User, cls).get_or_404(id_)
         if not allow_default and user.is_default_user:
             raise DefaultUserException()
         return user
     @classmethod
     def get_by_username_or_email(cls, username_or_email, case_insensitive=False, cache=False):
         """
         For anything that looks like an email address, look up by the email address (matching
         case insensitively).
         For anything else, try to look up by the user name.
         This assumes no normal username can have '@' symbol.
         """
         if '@' in username_or_email:
             return User.get_by_email(username_or_email, cache=cache)
         else:
             return User.get_by_username(username_or_email, case_insensitive=case_insensitive, cache=cache)
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(func.lower(cls.username) == func.lower(username))
         else:
             q = cls.query().filter(cls.username == username)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
+                          )
+            )
         return q.scalar()
     @classmethod
     def get_by_api_key(cls, api_key, cache=False, fallback=True):
         if len(api_key) != 40 or not api_key.isalnum():
             return None
         q = cls.query().filter(cls.api_key == api_key)
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_api_key_%s" % api_key))
         res = q.scalar()
         if fallback and not res:
             # fallback to additional keys
             _res = UserApiKeys.query().filter_by(api_key=api_key, is_expired=False).first()
             if _res:
                 res = _res.user
         if res is None or not res.active or res.is_default_user:
             return None
         return res
     @classmethod
     def get_by_email(cls, email, cache=False):
         q = cls.query().filter(func.lower(cls.email) == func.lower(email))
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             q = q.filter(func.lower(UserEmailMap.email) == func.lower(email))
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
         return ret
     @classmethod
     def get_from_cs_author(cls, author):
         """
         Tries to get User objects out of commit author string
         :param author:
         """
         from kallithea.lib.helpers import email, author_name
         # Valid email in the attribute passed, see if they're in the system
         _email = email(author)
         if _email:
             user = cls.get_by_email(_email)
             if user is not None:
                 return user
         # Maybe we can match by username?
         _author = author_name(author)
         user = cls.get_by_username(_author, case_insensitive=True)
         if user is not None:
             return user
     def update_lastlogin(self):
         """Update user lastlogin"""
         self.last_login = datetime.datetime.now()
         log.debug('updated user %s lastlogin', self.username)
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
     def get_api_data(self, details=False):
         """
         Common function for generating user related data for API
         """
         user = self
         data = dict(
             user_id=user.user_id,
             username=user.username,
             firstname=user.name,
             lastname=user.lastname,
             email=user.email,
             emails=user.emails,
             active=user.active,
             admin=user.admin,
+        )
         if details:
             data.update(dict(
                 extern_type=user.extern_type,
                 extern_name=user.extern_name,
                 api_key=user.api_key,
                 api_keys=user.api_keys,
                 last_login=user.last_login,
                 ip_addresses=user.ip_addresses
                 ))
         return data
     def __json__(self):
         data = dict(
             full_name=self.full_name,
             full_name_or_username=self.full_name_or_username,
             short_contact=self.short_contact,
             full_contact=self.full_contact
+        )
         data.update(self.get_api_data())
         return data
 class UserApiKeys(Base, BaseDbModel):
     __tablename__ = 'user_api_keys'
     __table_args__ = (
         Index('uak_api_key_idx', 'api_key'),
         Index('uak_api_key_expires_idx', 'api_key', 'expires'),
         _table_args_default_dict,
+    )
     user_api_key_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     api_key = Column(String(255), nullable=False, unique=True)
     description = Column(UnicodeText(), nullable=False)
     expires = Column(Float(53), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user = relationship('User')
     @hybrid_property
     def is_expired(self):
         return (self.expires != -1) & (time.time() > self.expires)
 class UserEmailMap(Base, BaseDbModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         _table_args_default_dict,
+    )
     email_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     _email = Column("email", String(255), nullable=False, unique=True)
     user = relationship('User')
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
     @hybrid_property
     def email(self):
         return self._email
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 class UserIpMap(Base, BaseDbModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         _table_args_default_dict,
+    )
     ip_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     ip_addr = Column(String(255), nullable=False)
     active = Column(Boolean(), nullable=False, default=True)
     user = relationship('User')
     @classmethod
     def _get_ip_range(cls, ip_addr):
         net = ipaddr.IPNetwork(address=ip_addr)
         return [str(net.network), str(net.broadcast)]
     def __json__(self):
         return dict(
           ip_addr=self.ip_addr,
           ip_range=self._get_ip_range(self.ip_addr)
+        )
     def __unicode__(self):
         return u"<%s('user_id:%s=>%s')>" % (self.__class__.__name__,
                                             self.user_id, self.ip_addr)
     def __repr__(self):
         return "<%s %s: %s>" % (self.__class__.__name__, self.user_id, self.ip_addr)
 class UserLog(Base, BaseDbModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         _table_args_default_dict,
+    )
     user_log_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=True)
     username = Column(String(255), nullable=False)
     repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column(Unicode(255), nullable=False)
     user_ip = Column(String(255), nullable=True)
     action = Column(UnicodeText(), nullable=False)
     action_date = Column(DateTime(timezone=False), nullable=False)
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
     def __repr__(self):
         return "<%s %r: %r')>" % (self.__class__.__name__,
                                       self.repository_name,
                                       self.action)
     @property
     def action_as_day(self):
         return datetime.date(*self.action_date.timetuple()[:3])
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 class UserGroup(Base, BaseDbModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         _table_args_default_dict,
+    )
     users_group_id = Column(Integer(), primary_key=True)
     users_group_name = Column(Unicode(255), nullable=False, unique=True)
     user_group_description = Column(Unicode(10000), nullable=True) # FIXME: not nullable?
     users_group_active = Column(Boolean(), nullable=False)
     owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     _group_data = Column("group_data", LargeBinary(), nullable=True)  # JSON data # FIXME: not nullable?
     members = relationship('UserGroupMember', cascade="all, delete-orphan")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm ', cascade='all')
     user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
     owner = relationship('User')
     @hybrid_property
     def group_data(self):
         if not self._group_data:
             return {}
         try:
             return json.loads(self._group_data)
         except TypeError:
             return {}
     @group_data.setter
     def group_data(self, val):
         try:
             self._group_data = json.dumps(val)
         except Exception:
             log.error(traceback.format_exc())
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
     def __repr__(self):
         return "<%s %s: %r')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
     @classmethod
     def guess_instance(cls, value):
         return super(UserGroup, cls).guess_instance(value, UserGroup.get_by_group_name)
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(func.lower(cls.users_group_name) == func.lower(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
+                          )
+            )
         return q.scalar()
     @classmethod
     def get(cls, user_group_id, cache=False):
         user_group = cls.query()
         if cache:
             user_group = user_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % user_group_id))
         return user_group.get(user_group_id)
     def get_api_data(self, with_members=True):
         user_group = self
         data = dict(
             users_group_id=user_group.users_group_id,
             group_name=user_group.users_group_name,
             group_description=user_group.user_group_description,
             active=user_group.users_group_active,
             owner=user_group.owner.username,
+        )
         if with_members:
             data['members'] = [
                 ugm.user.get_api_data()
                 for ugm in user_group.members
+            ]
         return data
 class UserGroupMember(Base, BaseDbModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         _table_args_default_dict,
+    )
     users_group_member_id = Column(Integer(), primary_key=True)
     users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     user = relationship('User')
     users_group = relationship('UserGroup')
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 class RepositoryField(Base, BaseDbModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         _table_args_default_dict,
+    )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
     repo_field_id = Column(Integer(), primary_key=True)
     repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     field_key = Column(String(250), nullable=False)
     field_label = Column(String(1024), nullable=False)
     field_value = Column(String(10000), nullable=False)
     field_desc = Column(String(1024), nullable=False)
     field_type = Column(String(255), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     repository = relationship('Repository')
     @property
     def field_key_prefixed(self):
         return 'ex_%s' % self.field_key
     @classmethod
     def un_prefix_key(cls, key):
         if key.startswith(cls.PREFIX):
             return key[len(cls.PREFIX):]
         return key
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query() \
                 .filter(cls.repository == repo) \
                 .filter(cls.field_key == key).scalar()
         return row
 class Repository(Base, BaseDbModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         Index('r_repo_name_idx', 'repo_name'),
         _table_args_default_dict,
+    )
     DEFAULT_CLONE_URI = '{scheme}://{user}@{netloc}/{repo}'
     DEFAULT_CLONE_SSH = 'ssh://{system_user}@{hostname}/{repo}'
     STATE_CREATED = u'repo_state_created'
     STATE_PENDING = u'repo_state_pending'
     STATE_ERROR = u'repo_state_error'
     repo_id = Column(Integer(), primary_key=True)
     repo_name = Column(Unicode(255), nullable=False, unique=True)
     repo_state = Column(String(255), nullable=False)
     clone_uri = Column(String(255), nullable=True) # FIXME: not nullable?
     repo_type = Column(String(255), nullable=False) # 'hg' or 'git'
     owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     private = Column(Boolean(), nullable=False)
     enable_statistics = Column("statistics", Boolean(), nullable=False, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=False, default=True)
     description = Column(Unicode(10000), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     _landing_revision = Column("landing_revision", String(255), nullable=False)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) # JSON data # FIXME: not nullable?
     fork_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     group_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=True)
     owner = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repository_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete-orphan")
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete-orphan")
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete-orphan")
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete-orphan")
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    safe_unicode(self.repo_name))
     def __repr__(self):
         return "<%s %s: %r>" % (self.__class__.__name__,
                                   self.repo_id, self.repo_name)
     @hybrid_property
     def landing_rev(self):
         # always should return [rev_type, rev]
         if self._landing_revision:
             _rev_info = self._landing_revision.split(':')
             if len(_rev_info) < 2:
                 _rev_info.insert(0, 'rev')
             return [_rev_info[0], _rev_info[1]]
         return [None, None]
     @landing_rev.setter
     def landing_rev(self, val):
         if ':' not in val:
             raise ValueError('value must be delimited with `:` and consist '
                              'of <rev_type>:<rev>, got %s instead' % val)
         self._landing_revision = val
     @hybrid_property
     def changeset_cache(self):
         try:
             cs_cache = json.loads(self._changeset_cache) # might raise on bad data
             cs_cache['raw_id'] # verify data, raise exception on error
             return cs_cache
         except (TypeError, KeyError, ValueError):
             return EmptyChangeset().__json__()
     @changeset_cache.setter
     def changeset_cache(self, val):
         try:
             self._changeset_cache = json.dumps(val)
         except Exception:
             log.error(traceback.format_exc())
     @classmethod
     def query(cls, sorted=False):
         """Add Repository-specific helpers for common query constructs.
         sorted: if True, apply the default ordering (name, case insensitive).
         """
         q = super(Repository, cls).query()
         if sorted:
             q = q.order_by(func.lower(Repository.repo_name))
         return q
     @classmethod
     def url_sep(cls):
         return URL_SEP
     @classmethod
     def normalize_repo_name(cls, repo_name):
         """
         Normalizes os specific repo_name to the format internally stored inside
         database using URL_SEP
         :param cls:
         :param repo_name:
         """
         return cls.url_sep().join(repo_name.split(os.sep))
     @classmethod
     def guess_instance(cls, value):
         return super(Repository, cls).guess_instance(value, Repository.get_by_repo_name)
     @classmethod
     def get_by_repo_name(cls, repo_name, case_insensitive=False):
         """Get the repo, defaulting to database case sensitivity.
         case_insensitive will be slower and should only be specified if necessary."""
         if case_insensitive:
             q = Session().query(cls).filter(func.lower(cls.repo_name) == func.lower(repo_name))
         else:
             q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork)) \
                 .options(joinedload(Repository.owner)) \
                 .options(joinedload(Repository.group))
         return q.scalar()
     @classmethod
     def get_by_full_path(cls, repo_full_path):
         base_full_path = os.path.realpath(cls.base_path())
         repo_full_path = os.path.realpath(repo_full_path)
         assert repo_full_path.startswith(base_full_path + os.path.sep)
         repo_name = repo_full_path[len(base_full_path) + 1:]
         repo_name = cls.normalize_repo_name(repo_name)
         return cls.get_by_repo_name(repo_name.strip(URL_SEP))
     @classmethod
     def get_repo_forks(cls, repo_id):
         return cls.query().filter(Repository.fork_id == repo_id)
     @classmethod
     def base_path(cls):
         """
         Returns base path where all repos are stored
         :param cls:
         """
         q = Session().query(Ui) \
             .filter(Ui.ui_key == cls.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
     @property
     def forks(self):
         """
         Return forks of this repo
         """
         return Repository.get_repo_forks(self.repo_id)
     @property
     def parent(self):
         """
         Returns fork parent
         """
         return self.fork
     @property
     def just_name(self):
         return self.repo_name.split(Repository.url_sep())[-1]
     @property
     def groups_with_parents(self):
         groups = []
         group = self.group
         while group is not None:
             groups.append(group)
             group = group.parent_group
             assert group not in groups, group # avoid recursion on bad db content
         groups.reverse()
         return groups
     @LazyProperty
     def repo_path(self):
         """
         Returns base full path for that repository means where it actually
         exists on a filesystem
         """
         q = Session().query(Ui).filter(Ui.ui_key ==
                                               Repository.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
     @property
     def repo_full_path(self):
         p = [self.repo_path]
         # we need to split the name by / since this is how we store the
         # names in the database, but that eventually needs to be converted
         # into a valid system path
         p += self.repo_name.split(Repository.url_sep())
         return os.path.join(*(safe_unicode(d) for d in p))
     @property
     def cache_keys(self):
         """
         Returns associated cache keys for that repo
         """
         return CacheInvalidation.query() \
             .filter(CacheInvalidation.cache_args == self.repo_name) \
             .order_by(CacheInvalidation.cache_key) \
             .all()
     def get_new_name(self, repo_name):
         """
         returns new full repository name based on assigned group and new new
         :param group_name:
         """
         path_prefix = self.group.full_path_splitted if self.group else []
         return Repository.url_sep().join(path_prefix + [repo_name])
     @property
     def _ui(self):
         """
         Creates an db based ui object for this repository
         """
         from kallithea.lib.utils import make_ui
         return make_ui()
     @classmethod
     def is_valid(cls, repo_name):
         """
         returns True if given repo name is a valid filesystem repository
         :param cls:
         :param repo_name:
         """
         from kallithea.lib.utils import is_valid_repo
         return is_valid_repo(repo_name, cls.base_path())
@@ @@ -1299,1253 +1292,1260 @@ class Repository(Base, BaseDbModel): @@
         return cs
     def update_changeset_cache(self, cs_cache=None):
         """
         Update cache of last changeset for repository, keys should be::
             short_id
             raw_id
             revision
             message
             date
             author
         :param cs_cache:
         """
         from kallithea.lib.vcs.backends.base import BaseChangeset
         if cs_cache is None:
             cs_cache = EmptyChangeset()
             # use no-cache version here
             scm_repo = self.scm_instance_no_cache()
             if scm_repo:
                 cs_cache = scm_repo.get_changeset()
         if isinstance(cs_cache, BaseChangeset):
             cs_cache = cs_cache.__json__()
         if (not self.changeset_cache or cs_cache['raw_id'] != self.changeset_cache['raw_id']):
             _default = datetime.datetime.fromtimestamp(0)
             last_change = cs_cache.get('date') or _default
             log.debug('updated repo %s with new cs cache %s',
                       self.repo_name, cs_cache)
             self.updated_on = last_change
             self.changeset_cache = cs_cache
             Session().commit()
         else:
             log.debug('changeset_cache for %s already up to date with %s',
                       self.repo_name, cs_cache['raw_id'])
     @property
     def tip(self):
         return self.get_changeset('tip')
     @property
     def author(self):
         return self.tip.author
     @property
     def last_change(self):
         return self.scm_instance.last_change
     def get_comments(self, revisions=None):
         """
         Returns comments for this repository grouped by revisions
         :param revisions: filter query by revisions only
         """
         cmts = ChangesetComment.query() \
             .filter(ChangesetComment.repo == self)
         if revisions is not None:
             if not revisions:
                 return {} # don't use sql 'in' on empty set
             cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
         grouped = collections.defaultdict(list)
         for cmt in cmts.all():
             grouped[cmt.revision].append(cmt)
         return grouped
     def statuses(self, revisions):
         """
         Returns statuses for this repository.
         PRs without any votes do _not_ show up as unreviewed.
         :param revisions: list of revisions to get statuses for
         """
         if not revisions:
             return {}
         statuses = ChangesetStatus.query() \
             .filter(ChangesetStatus.repo == self) \
             .filter(ChangesetStatus.version == 0) \
             .filter(ChangesetStatus.revision.in_(revisions))
         grouped = {}
         for stat in statuses.all():
             pr_id = pr_nice_id = pr_repo = None
             if stat.pull_request:
                 pr_id = stat.pull_request.pull_request_id
                 pr_nice_id = PullRequest.make_nice_id(pr_id)
                 pr_repo = stat.pull_request.other_repo.repo_name
             grouped[stat.revision] = [str(stat.status), stat.status_lbl,
                                       pr_id, pr_repo, pr_nice_id,
                                       stat.author]
         return grouped
     def _repo_size(self):
         from kallithea.lib import helpers as h
         log.debug('calculating repository size...')
         return h.format_byte_size(self.scm_instance.size)
     #==========================================================================
     # SCM CACHE INSTANCE
     #==========================================================================
     def set_invalidate(self):
         """
         Mark caches of this repo as invalid.
         """
         CacheInvalidation.set_invalidate(self.repo_name)
     _scm_instance = None
     @property
     def scm_instance(self):
         if self._scm_instance is None:
             self._scm_instance = self.scm_instance_cached()
         return self._scm_instance
     def scm_instance_cached(self, valid_cache_keys=None):
         @cache_region('long_term', 'scm_instance_cached')
         def _c(repo_name): # repo_name is just for the cache key
             log.debug('Creating new %s scm_instance and populating cache', repo_name)
             return self.scm_instance_no_cache()
         rn = self.repo_name
         valid = CacheInvalidation.test_and_set_valid(rn, None, valid_cache_keys=valid_cache_keys)
         if not valid:
             log.debug('Cache for %s invalidated, getting new object', rn)
             region_invalidate(_c, None, 'scm_instance_cached', rn)
         else:
             log.debug('Trying to get scm_instance of %s from cache', rn)
         return _c(rn)
     def scm_instance_no_cache(self):
         repo_full_path = safe_str(self.repo_full_path)
         alias = get_scm(repo_full_path)[0]
         log.debug('Creating instance of %s repository from %s',
                   alias, self.repo_full_path)
         backend = get_backend(alias)
         if alias == 'hg':
             repo = backend(repo_full_path, create=False,
                            baseui=self._ui)
         else:
             repo = backend(repo_full_path, create=False)
         return repo
     def __json__(self):
         return dict(
             repo_id=self.repo_id,
             repo_name=self.repo_name,
             landing_rev=self.landing_rev,
+        )
 class RepoGroup(Base, BaseDbModel):
     __tablename__ = 'groups'
     __table_args__ = (
         _table_args_default_dict,
+    )
     SEP = ' &raquo; '
     group_id = Column(Integer(), primary_key=True)
     group_name = Column(Unicode(255), nullable=False, unique=True) # full path
     parent_group_id = Column('group_parent_id', Integer(), ForeignKey('groups.group_id'), nullable=True)
     group_description = Column(Unicode(10000), nullable=False)
     owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     owner = relationship('User')
     @classmethod
     def query(cls, sorted=False):
         """Add RepoGroup-specific helpers for common query constructs.
         sorted: if True, apply the default ordering (name, case insensitive).
         """
         q = super(RepoGroup, cls).query()
         if sorted:
             q = q.order_by(func.lower(RepoGroup.group_name))
         return q
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
     def __repr__(self):
         return "<%s %s: %s>" % (self.__class__.__name__,
                                 self.group_id, self.group_name)
     @classmethod
     def _generate_choice(cls, repo_group):
         """Return tuple with group_id and name as html literal"""
         from webhelpers2.html import literal
         if repo_group is None:
             return (-1, u'-- %s --' % _('top level'))
         return repo_group.group_id, literal(cls.SEP.join(repo_group.full_path_splitted))
     @classmethod
     def groups_choices(cls, groups):
         """Return tuples with group_id and name as html literal."""
         return sorted((cls._generate_choice(g) for g in groups),
                       key=lambda c: c[1].split(cls.SEP))
     @classmethod
     def url_sep(cls):
         return URL_SEP
     @classmethod
     def guess_instance(cls, value):
         return super(RepoGroup, cls).guess_instance(value, RepoGroup.get_by_group_name)
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         group_name = group_name.rstrip('/')
         if case_insensitive:
             gr = cls.query() \
                 .filter(func.lower(cls.group_name) == func.lower(group_name))
         else:
             gr = cls.query() \
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
+                            )
+            )
         return gr.scalar()
     @property
     def parents(self):
         groups = []
         group = self.parent_group
         while group is not None:
             groups.append(group)
             group = group.parent_group
             assert group not in groups, group # avoid recursion on bad db content
         groups.reverse()
         return groups
     @property
     def children(self):
         return RepoGroup.query().filter(RepoGroup.parent_group == self)
     @property
     def name(self):
         return self.group_name.split(RepoGroup.url_sep())[-1]
     @property
     def full_path(self):
         return self.group_name
     @property
     def full_path_splitted(self):
         return self.group_name.split(RepoGroup.url_sep())
     @property
     def repositories(self):
         return Repository.query(sorted=True).filter_by(group=self)
     @property
     def repositories_recursive_count(self):
         cnt = self.repositories.count()
         def children_count(group):
             cnt = 0
             for child in group.children:
                 cnt += child.repositories.count()
                 cnt += children_count(child)
             return cnt
         return cnt + children_count(self)
     def _recursive_objects(self, include_repos=True):
         all_ = []
         def _get_members(root_gr):
             if include_repos:
                 for r in root_gr.repositories:
                     all_.append(r)
             childs = root_gr.children.all()
             if childs:
                 for gr in childs:
                     all_.append(gr)
                     _get_members(gr)
         _get_members(self)
         return [self] + all_
     def recursive_groups_and_repos(self):
         """
         Recursive return all groups, with repositories in those groups
         """
         return self._recursive_objects()
     def recursive_groups(self):
         """
         Returns all children groups for this group including children of children
         """
         return self._recursive_objects(include_repos=False)
     def get_new_name(self, group_name):
         """
         returns new full group name based on parent and new name
         :param group_name:
         """
         path_prefix = (self.parent_group.full_path_splitted if
                        self.parent_group else [])
         return RepoGroup.url_sep().join(path_prefix + [group_name])
     def get_api_data(self):
         """
         Common function for generating api data
         """
         group = self
         data = dict(
             group_id=group.group_id,
             group_name=group.group_name,
             group_description=group.group_description,
             parent_group=group.parent_group.group_name if group.parent_group else None,
             repositories=[x.repo_name for x in group.repositories],
             owner=group.owner.username
+        )
         return data
 class Permission(Base, BaseDbModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         _table_args_default_dict,
+    )
     PERMS = (
         ('hg.admin', _('Kallithea Administrator')),
         ('repository.none', _('Default user has no access to new repositories')),
         ('repository.read', _('Default user has read access to new repositories')),
         ('repository.write', _('Default user has write access to new repositories')),
         ('repository.admin', _('Default user has admin access to new repositories')),
         ('group.none', _('Default user has no access to new repository groups')),
         ('group.read', _('Default user has read access to new repository groups')),
         ('group.write', _('Default user has write access to new repository groups')),
         ('group.admin', _('Default user has admin access to new repository groups')),
         ('usergroup.none', _('Default user has no access to new user groups')),
         ('usergroup.read', _('Default user has read access to new user groups')),
         ('usergroup.write', _('Default user has write access to new user groups')),
         ('usergroup.admin', _('Default user has admin access to new user groups')),
         ('hg.repogroup.create.false', _('Only admins can create repository groups')),
         ('hg.repogroup.create.true', _('Non-admins can create repository groups')),
         ('hg.usergroup.create.false', _('Only admins can create user groups')),
         ('hg.usergroup.create.true', _('Non-admins can create user groups')),
         ('hg.create.none', _('Only admins can create top level repositories')),
         ('hg.create.repository', _('Non-admins can create top level repositories')),
         ('hg.create.write_on_repogroup.true', _('Repository creation enabled with write permission to a repository group')),
         ('hg.create.write_on_repogroup.false', _('Repository creation disabled with write permission to a repository group')),
         ('hg.fork.none', _('Only admins can fork repositories')),
         ('hg.fork.repository', _('Non-admins can fork repositories')),
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User registration with manual account activation')),
         ('hg.register.auto_activate', _('User registration with automatic account activation')),
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
+    )
     # definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = (
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.create.write_on_repogroup.true',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
+    )
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1,
         'hg.create.write_on_repogroup.false': 0,
         'hg.create.write_on_repogroup.true': 1,
         'hg.register.none': 0,
         'hg.register.manual_activate': 1,
         'hg.register.auto_activate': 2,
         'hg.extern_activate.manual': 0,
         'hg.extern_activate.auto': 1,
+    }
     permission_id = Column(Integer(), primary_key=True)
     permission_name = Column(String(255), nullable=False)
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
     def __repr__(self):
         return "<%s %s: %r>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
+        )
     @classmethod
     def guess_instance(cls, value):
         return super(Permission, cls).guess_instance(value, Permission.get_by_key)
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
     @classmethod
     def get_default_perms(cls, default_user_id):
         q = Session().query(UserRepoToPerm, Repository, cls) \
          .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id)) \
          .join((cls, UserRepoToPerm.permission_id == cls.permission_id)) \
          .filter(UserRepoToPerm.user_id == default_user_id)
         return q.all()
     @classmethod
     def get_default_group_perms(cls, default_user_id):
         q = Session().query(UserRepoGroupToPerm, RepoGroup, cls) \
          .join((RepoGroup, UserRepoGroupToPerm.group_id == RepoGroup.group_id)) \
          .join((cls, UserRepoGroupToPerm.permission_id == cls.permission_id)) \
          .filter(UserRepoGroupToPerm.user_id == default_user_id)
         return q.all()
     @classmethod
     def get_default_user_group_perms(cls, default_user_id):
         q = Session().query(UserUserGroupToPerm, UserGroup, cls) \
          .join((UserGroup, UserUserGroupToPerm.user_group_id == UserGroup.users_group_id)) \
          .join((cls, UserUserGroupToPerm.permission_id == cls.permission_id)) \
          .filter(UserUserGroupToPerm.user_id == default_user_id)
         return q.all()
 class UserRepoToPerm(Base, BaseDbModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         _table_args_default_dict,
+    )
     repo_to_perm_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
     @classmethod
     def create(cls, user, repository, permission):
         n = cls()
         n.user = user
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
     def __repr__(self):
         return '<%s %s at %s: %s>' % (
             self.__class__.__name__, self.user, self.repository, self.permission)
 class UserUserGroupToPerm(Base, BaseDbModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         _table_args_default_dict,
+    )
     user_user_group_to_perm_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     user_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
     @classmethod
     def create(cls, user, user_group, permission):
         n = cls()
         n.user = user
         n.user_group = user_group
         n.permission = permission
         Session().add(n)
         return n
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
     def __repr__(self):
         return '<%s %s at %s: %s>' % (
             self.__class__.__name__, self.user, self.user_group, self.permission)
 class UserToPerm(Base, BaseDbModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         _table_args_default_dict,
+    )
     user_to_perm_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     user = relationship('User')
     permission = relationship('Permission')
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
     def __repr__(self):
         return '<%s %s: %s>' % (
             self.__class__.__name__, self.user, self.permission)
 class UserGroupRepoToPerm(Base, BaseDbModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         _table_args_default_dict,
+    )
     users_group_to_perm_id = Column(Integer(), primary_key=True)
     users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
     @classmethod
     def create(cls, users_group, repository, permission):
         n = cls()
         n.users_group = users_group
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
     def __unicode__(self):
         return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
     def __repr__(self):
         return '<%s %s at %s: %s>' % (
             self.__class__.__name__, self.users_group, self.repository, self.permission)
 class UserGroupUserGroupToPerm(Base, BaseDbModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
         _table_args_default_dict,
+    )
     user_group_user_group_to_perm_id = Column(Integer(), primary_key=True)
     target_user_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     user_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
     user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
     @classmethod
     def create(cls, target_user_group, user_group, permission):
         n = cls()
         n.target_user_group = target_user_group
         n.user_group = user_group
         n.permission = permission
         Session().add(n)
         return n
     def __unicode__(self):
         return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
     def __repr__(self):
         return '<%s %s at %s: %s>' % (
             self.__class__.__name__, self.user_group, self.target_user_group, self.permission)
 class UserGroupToPerm(Base, BaseDbModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         _table_args_default_dict,
+    )
     users_group_to_perm_id = Column(Integer(), primary_key=True)
     users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 class UserRepoGroupToPerm(Base, BaseDbModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         _table_args_default_dict,
+    )
     group_to_perm_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     group_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
     @classmethod
     def create(cls, user, repository_group, permission):
         n = cls()
         n.user = user
         n.group = repository_group
         n.permission = permission
         Session().add(n)
         return n
 class UserGroupRepoGroupToPerm(Base, BaseDbModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         _table_args_default_dict,
+    )
     users_group_repo_group_to_perm_id = Column(Integer(), primary_key=True)
     users_group_id = Column(Integer(), ForeignKey('users_groups.users_group_id'), nullable=False)
     group_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=False)
     permission_id = Column(Integer(), ForeignKey('permissions.permission_id'), nullable=False)
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
     @classmethod
     def create(cls, user_group, repository_group, permission):
         n = cls()
         n.users_group = user_group
         n.group = repository_group
         n.permission = permission
         Session().add(n)
         return n
 class Statistics(Base, BaseDbModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          _table_args_default_dict,
+    )
     stat_id = Column(Integer(), primary_key=True)
     repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True)
     stat_on_revision = Column(Integer(), nullable=False)
     commit_activity = Column(LargeBinary(1000000), nullable=False) # JSON data
     commit_activity_combined = Column(LargeBinary(), nullable=False) # JSON data
     languages = Column(LargeBinary(1000000), nullable=False) # JSON data
     repository = relationship('Repository', single_parent=True)
 class UserFollowing(Base, BaseDbModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id', name='uq_user_followings_user_repo'),
         UniqueConstraint('user_id', 'follows_user_id', name='uq_user_followings_user_user'),
         _table_args_default_dict,
+    )
     user_following_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     follows_repository_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     follows_user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=True)
     follows_from = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by=lambda: func.lower(Repository.repo_name))
     @classmethod
     def get_repo_followers(cls, repo_id):
         return cls.query().filter(cls.follows_repository_id == repo_id)
 class CacheInvalidation(Base, BaseDbModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         Index('key_idx', 'cache_key'),
         _table_args_default_dict,
+    )
     # cache_id, not used
     cache_id = Column(Integer(), primary_key=True)
     # cache_key as created by _get_cache_key
     cache_key = Column(Unicode(255), nullable=False, unique=True)
     # cache_args is a repo_name
     cache_args = Column(Unicode(255), nullable=False)
     # instance sets cache_active True when it is caching, other instances set
     # cache_active to False to indicate that this cache is invalid
     cache_active = Column(Boolean(), nullable=False, default=False)
     def __init__(self, cache_key, repo_name=''):
         self.cache_key = cache_key
         self.cache_args = repo_name
         self.cache_active = False
     def __unicode__(self):
         return u"<%s('%s:%s[%s]')>" % (
     def __repr__(self):
         return "<%s %s: %s=%s" % (
             self.__class__.__name__,
             self.cache_id, self.cache_key, self.cache_active)
     def _cache_key_partition(self):
         prefix, repo_name, suffix = self.cache_key.partition(self.cache_args)
         return prefix, repo_name, suffix
     def get_prefix(self):
         """
         get prefix that might have been used in _get_cache_key to
         generate self.cache_key. Only used for informational purposes
         in repo_edit.html.
         """
         # prefix, repo_name, suffix
         return self._cache_key_partition()[0]
     def get_suffix(self):
         """
         get suffix that might have been used in _get_cache_key to
         generate self.cache_key. Only used for informational purposes
         in repo_edit.html.
         """
         # prefix, repo_name, suffix
         return self._cache_key_partition()[2]
     @classmethod
     def clear_cache(cls):
         """
         Delete all cache keys from database.
         Should only be run when all instances are down and all entries thus stale.
         """
         cls.query().delete()
         Session().commit()
     @classmethod
     def _get_cache_key(cls, key):
         """
         Wrapper for generating a unique cache key for this instance and "key".
         key must / will start with a repo_name which will be stored in .cache_args .
         """
         prefix = kallithea.CONFIG.get('instance_id', '')
         return "%s%s" % (prefix, key)
     @classmethod
     def set_invalidate(cls, repo_name):
         """
         Mark all caches of a repo as invalid in the database.
         """
         inv_objs = Session().query(cls).filter(cls.cache_args == repo_name).all()
         log.debug('for repo %s got %s invalidation objects',
                   safe_str(repo_name), inv_objs)
         for inv_obj in inv_objs:
             log.debug('marking %s key for invalidation based on repo_name=%s',
                       inv_obj, safe_str(repo_name))
             Session().delete(inv_obj)
         Session().commit()
     @classmethod
     def test_and_set_valid(cls, repo_name, kind, valid_cache_keys=None):
         """
         Mark this cache key as active and currently cached.
         Return True if the existing cache registration still was valid.
         Return False to indicate that it had been invalidated and caches should be refreshed.
         """
         key = (repo_name + '_' + kind) if kind else repo_name
         cache_key = cls._get_cache_key(key)
         if valid_cache_keys and cache_key in valid_cache_keys:
             return True
         inv_obj = cls.query().filter(cls.cache_key == cache_key).scalar()
         if inv_obj is None:
             inv_obj = cls(cache_key, repo_name)
             Session().add(inv_obj)
         elif inv_obj.cache_active:
             return True
         inv_obj.cache_active = True
         try:
             Session().commit()
         except sqlalchemy.exc.IntegrityError:
             log.error('commit of CacheInvalidation failed - retrying')
             Session().rollback()
             inv_obj = cls.query().filter(cls.cache_key == cache_key).scalar()
             if inv_obj is None:
                 log.error('failed to create CacheInvalidation entry')
                 # TODO: fail badly?
             # else: TOCTOU - another thread added the key at the same time; no further action required
         return False
     @classmethod
     def get_valid_cache_keys(cls):
         """
         Return opaque object with information of which caches still are valid
         and can be used without checking for invalidation.
         """
         return set(inv_obj.cache_key for inv_obj in cls.query().filter(cls.cache_active).all())
 class ChangesetComment(Base, BaseDbModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         Index('cc_pull_request_id_idx', 'pull_request_id'),
         _table_args_default_dict,
+    )
     comment_id = Column(Integer(), primary_key=True)
     repo_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column(String(40), nullable=True)
     pull_request_id = Column(Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column(Unicode(10), nullable=True)
     f_path = Column(Unicode(1000), nullable=True)
     author_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column(UnicodeText(), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     author = relationship('User')
     repo = relationship('Repository')
     # status_change is frequently used directly in templates - make it a lazy
     # join to avoid fetching each related ChangesetStatus on demand.
     # There will only be one ChangesetStatus referencing each comment so the join will not explode.
     status_change = relationship('ChangesetStatus',
                                  cascade="all, delete-orphan", lazy='joined')
     pull_request = relationship('PullRequest')
     def url(self):
         anchor = "comment-%s" % self.comment_id
         import kallithea.lib.helpers as h
         if self.revision:
             return h.url('changeset_home', repo_name=self.repo.repo_name, revision=self.revision, anchor=anchor)
         elif self.pull_request_id is not None:
             return self.pull_request.url(anchor=anchor)
     def __json__(self):
         return dict(
             comment_id=self.comment_id,
             username=self.author.username,
             text=self.text,
+        )
     def deletable(self):
         return self.created_on > datetime.datetime.now() - datetime.timedelta(minutes=5)
 class ChangesetStatus(Base, BaseDbModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         Index('cs_pull_request_id_idx', 'pull_request_id'),
         Index('cs_changeset_comment_id_idx', 'changeset_comment_id'),
         Index('cs_pull_request_id_user_id_version_idx', 'pull_request_id', 'user_id', 'version'),
         Index('cs_repo_id_pull_request_id_idx', 'repo_id', 'pull_request_id'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         _table_args_default_dict,
+    )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected' # is shown as "Not approved" - TODO: change database content / scheme
     STATUS_UNDER_REVIEW = 'under_review'
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not reviewed")),  # (no icon) and default
         (STATUS_UNDER_REVIEW, _("Under review")),
         (STATUS_REJECTED, _("Not approved")),
         (STATUS_APPROVED, _("Approved")),
+    ]
     STATUSES_DICT = dict(STATUSES)
     changeset_status_id = Column(Integer(), primary_key=True)
     repo_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     revision = Column(String(40), nullable=True)
     status = Column(String(128), nullable=False, default=DEFAULT)
     comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'), nullable=False)
     modified_at = Column(DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column(Integer(), nullable=False, default=0)
     pull_request_id = Column(Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     author = relationship('User')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment')
     pull_request = relationship('PullRequest')
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
     def __repr__(self):
         return "<%s %r by %r>" % (
             self.__class__.__name__,
             self.status, self.author
+        )
     @classmethod
     def get_status_lbl(cls, value):
         return cls.STATUSES_DICT.get(value)
     @property
     def status_lbl(self):
         return ChangesetStatus.get_status_lbl(self.status)
     def __json__(self):
         return dict(
             status=self.status,
             modified_at=self.modified_at.replace(microsecond=0),
             reviewer=self.author.username,
+            )
 class PullRequest(Base, BaseDbModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         Index('pr_org_repo_id_idx', 'org_repo_id'),
         Index('pr_other_repo_id_idx', 'other_repo_id'),
         _table_args_default_dict,
+    )
     # values for .status
     STATUS_NEW = u'new'
     STATUS_CLOSED = u'closed'
     pull_request_id = Column(Integer(), primary_key=True)
     title = Column(Unicode(255), nullable=False)
     description = Column(UnicodeText(), nullable=False)
     status = Column(Unicode(255), nullable=False, default=STATUS_NEW) # only for closedness, not approve/reject/etc
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     _revisions = Column('revisions', UnicodeText(), nullable=False)
     org_repo_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column(Unicode(255), nullable=False)
     other_repo_id = Column(Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column(Unicode(255), nullable=False)
     @hybrid_property
     def revisions(self):
         return self._revisions.split(':')
     @revisions.setter
     def revisions(self, val):
         self._revisions = safe_unicode(':'.join(val))
     @property
     def org_ref_parts(self):
         return self.org_ref.split(':')
     @property
     def other_ref_parts(self):
         return self.other_ref.split(':')
     owner = relationship('User')
     reviewers = relationship('PullRequestReviewer',
                              cascade="all, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus', order_by='ChangesetStatus.changeset_status_id')
     comments = relationship('ChangesetComment', order_by='ChangesetComment.comment_id',
                              cascade="all, delete-orphan")
     @classmethod
     def query(cls, reviewer_id=None, include_closed=True, sorted=False):
         """Add PullRequest-specific helpers for common query constructs.
         reviewer_id: only PRs with the specified user added as reviewer.
         include_closed: if False, do not include closed PRs.
         sorted: if True, apply the default ordering (newest first).
         """
         q = super(PullRequest, cls).query()
         if reviewer_id is not None:
             q = q.join(PullRequestReviewer).filter(PullRequestReviewer.user_id == reviewer_id)
         if not include_closed:
             q = q.filter(PullRequest.status != PullRequest.STATUS_CLOSED)
         if sorted:
             q = q.order_by(PullRequest.created_on.desc())
         return q
     def get_reviewer_users(self):
         """Like .reviewers, but actually returning the users"""
         return User.query() \
             .join(PullRequestReviewer) \
             .filter(PullRequestReviewer.pull_request == self) \
             .order_by(PullRequestReviewer.pull_request_reviewers_id) \
             .all()
     def is_closed(self):
         return self.status == self.STATUS_CLOSED
     def user_review_status(self, user_id):
         """Return the user's latest status votes on PR"""
         # note: no filtering on repo - that would be redundant
         status = ChangesetStatus.query() \
             .filter(ChangesetStatus.pull_request == self) \
             .filter(ChangesetStatus.user_id == user_id) \
             .order_by(ChangesetStatus.version) \
             .first()
         return str(status.status) if status else ''
     @classmethod
     def make_nice_id(cls, pull_request_id):
         '''Return pull request id nicely formatted for displaying'''
         return '#%s' % pull_request_id
     def nice_id(self):
         '''Return the id of this pull request, nicely formatted for displaying'''
         return self.make_nice_id(self.pull_request_id)
     def get_api_data(self):
         return self.__json__()
     def __json__(self):
         clone_uri_tmpl = kallithea.CONFIG.get('clone_uri_tmpl') or Repository.DEFAULT_CLONE_URI
         return dict(
             pull_request_id=self.pull_request_id,
             url=self.url(),
             reviewers=self.reviewers,
             revisions=self.revisions,
             owner=self.owner.username,
             title=self.title,
             description=self.description,
             org_repo_url=self.org_repo.clone_url(clone_uri_tmpl=clone_uri_tmpl),
             org_ref_parts=self.org_ref_parts,
             other_ref_parts=self.other_ref_parts,
             status=self.status,
             comments=self.comments,
             statuses=self.statuses,
+        )
     def url(self, **kwargs):
         canonical = kwargs.pop('canonical', None)
         import kallithea.lib.helpers as h
         b = self.org_ref_parts[1]
         if b != self.other_ref_parts[1]:
             s = '/_/' + b
         else:
             s = '/_/' + self.title
         kwargs['extra'] = urlreadable(s)
         if canonical:
             return h.canonical_url('pullrequest_show', repo_name=self.other_repo.repo_name,
                                    pull_request_id=self.pull_request_id, **kwargs)
         return h.url('pullrequest_show', repo_name=self.other_repo.repo_name,
                      pull_request_id=self.pull_request_id, **kwargs)
 class PullRequestReviewer(Base, BaseDbModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         Index('pull_request_reviewers_user_id_idx', 'user_id'),
         _table_args_default_dict,
+    )
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
     pull_request_reviewers_id = Column('pull_requests_reviewers_id', Integer(), primary_key=True)
     pull_request_id = Column(Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     user = relationship('User')
     pull_request = relationship('PullRequest')
     def __json__(self):
         return dict(
             username=self.user.username if self.user else None,
+        )
 class Notification(object):
     __tablename__ = 'notifications'
 class UserNotification(object):
     __tablename__ = 'user_to_notification'
 class Gist(Base, BaseDbModel):
     __tablename__ = 'gists'
     __table_args__ = (
         Index('g_gist_access_id_idx', 'gist_access_id'),
         Index('g_created_on_idx', 'created_on'),
         _table_args_default_dict,
+    )
     GIST_PUBLIC = u'public'
     GIST_PRIVATE = u'private'
     DEFAULT_FILENAME = u'gistfile1.txt'
     gist_id = Column(Integer(), primary_key=True)
     gist_access_id = Column(Unicode(250), nullable=False)
     gist_description = Column(UnicodeText(), nullable=False)
     owner_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     gist_expires = Column(Float(53), nullable=False)
     gist_type = Column(Unicode(128), nullable=False)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     owner = relationship('User')
     @hybrid_property
     def is_expired(self):
         return (self.gist_expires != -1) & (time.time() > self.gist_expires)
     def __repr__(self):
         return '<Gist:[%s]%s>' % (self.gist_type, self.gist_access_id)
         return "<%s %s %s>" % (
             self.__class__.__name__,
             self.gist_type, self.gist_access_id)
     @classmethod
     def guess_instance(cls, value):
         return super(Gist, cls).guess_instance(value, Gist.get_by_access_id)
     @classmethod
     def get_or_404(cls, id_):
         res = cls.query().filter(cls.gist_access_id == id_).scalar()
         if res is None:
             raise HTTPNotFound
         return res
     @classmethod
     def get_by_access_id(cls, gist_access_id):
         return cls.query().filter(cls.gist_access_id == gist_access_id).scalar()
     def gist_url(self):
         alias_url = kallithea.CONFIG.get('gist_alias_url')
         if alias_url:
             return alias_url.replace('{gistid}', self.gist_access_id)
         import kallithea.lib.helpers as h
         return h.canonical_url('gist', gist_id=self.gist_access_id)
     @classmethod
     def base_path(cls):
         """
         Returns base path where all gists are stored
         :param cls:
         """
         from kallithea.model.gist import GIST_STORE_LOC
         q = Session().query(Ui) \
             .filter(Ui.ui_key == URL_SEP)
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return os.path.join(q.one().ui_value, GIST_STORE_LOC)
     def get_api_data(self):
         """
         Common function for generating gist related data for API
         """
         gist = self
         data = dict(
             gist_id=gist.gist_id,
             type=gist.gist_type,
             access_id=gist.gist_access_id,
             description=gist.gist_description,
             url=gist.gist_url(),
             expires=gist.gist_expires,
             created_on=gist.created_on,
+        )
         return data
     def __json__(self):
         data = dict(
+        )
         data.update(self.get_api_data())
         return data
     ## SCM functions
     @property
     def scm_instance(self):
         from kallithea.lib.vcs import get_repo
         base_path = self.base_path()
         return get_repo(os.path.join(safe_str(base_path), safe_str(self.gist_access_id)))
 class UserSshKeys(Base, BaseDbModel):
     __tablename__ = 'user_ssh_keys'
     __table_args__ = (
         Index('usk_public_key_idx', 'public_key'),
         Index('usk_fingerprint_idx', 'fingerprint'),
         UniqueConstraint('fingerprint'),
         _table_args_default_dict
+    )
     __mapper_args__ = {}
     user_ssh_key_id = Column(Integer(), primary_key=True)
     user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)
     _public_key = Column('public_key', UnicodeText(), nullable=False)
     description = Column(UnicodeText(), nullable=False)
     fingerprint = Column(String(255), nullable=False, unique=True)
     created_on = Column(DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     last_seen = Column(DateTime(timezone=False), nullable=True)
     user = relationship('User')
     @property
     def public_key(self):
         return self._public_key
     @public_key.setter
     def public_key(self, full_key):
         # the full public key is too long to be suitable as database key - instead,
         # use fingerprints similar to 'ssh-keygen -E sha256 -lf ~/.ssh/id_rsa.pub'
         self._public_key = full_key
         enc_key = full_key.split(" ")[1]
         self.fingerprint = base64.b64encode(hashlib.sha256(base64.b64decode(enc_key)).digest()).replace(b'\n', b'').rstrip(b'=').decode()

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