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(landing_rev = self.landing_rev)

class RepoGroup(Base, BaseModel):

    __tablename__ = 'groups'

    __table_args__ = (

        _table_args_default_dict,

    )

    __mapper_args__ = {'order_by': 'group_name'}

    SEP = ' » '

    group_id = Column(Integer(), primary_key=True)

    group_name = Column(Unicode(255), nullable=False, unique=True) # full path

    group_parent_id = Column(Integer(), ForeignKey('groups.group_id'), nullable=True)

    group_description = Column(Unicode(10000), nullable=False)

    enable_locking = Column(Boolean(), nullable=False, default=False)

    user_id = Column(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)

    user = relationship('User')

    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)

    @classmethod

    def _generate_choice(cls, repo_group):

        """Return tuple with group_id and name as html literal"""

        from webhelpers.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 get_by_group_name(cls, group_name, cache=False, case_insensitive=False):

        if case_insensitive:

        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)

class UserGroupRepoToPerm(Base, BaseModel):

    __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)

class UserGroupUserGroupToPerm(Base, BaseModel):

    __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)

class UserGroupToPerm(Base, BaseModel):

    __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, BaseModel):

    __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)

        return n

class UserGroupRepoGroupToPerm(Base, BaseModel):

    __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, BaseModel):

    __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, BaseModel):

    __tablename__ = 'user_followings'

    __table_args__ = (

        _table_args_default_dict,

    )

    user_following_id = Column(Integer(), primary_key=True)

    user_id = Column(Integer(), ForeignKey('users.user_id'), nullable=False)

    follows_repo_id = Column("follows_repository_id", 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='Repository.repo_name')

    @classmethod

    def get_repo_followers(cls, repo_id):

        return cls.query().filter(cls.follows_repo_id == repo_id)

class CacheInvalidation(Base, BaseModel):

    __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]')>" % (

            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)

# -*- 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/>.

"""

SQLAlchemy Metadata and Session object

"""

from sqlalchemy.ext.declarative import declarative_base

from sqlalchemy.orm import scoped_session, sessionmaker

from beaker import cache

from kallithea.lib import caching_query

# Beaker CacheManager.  A home base for cache configurations.

cache_manager = cache.CacheManager()

__all__ = ['Base', 'Session']

#

# SQLAlchemy session manager.

#

session_factory = sessionmaker(

    query_cls=caching_query.query_callable(cache_manager),

    expire_on_commit=True)

Session = scoped_session(session_factory)

# The base class for declarative schemas in db.py

# Engine is injected when model.__init__.init_model() sets meta.Base.metadata.bind

Base = declarative_base()

#to use cache use this in query

#.options(FromCache("sqlalchemy_cache_type", "cachekey"))

#!/usr/bin/env python2

# -*- coding: utf-8 -*-

import os

import sys

import platform

if sys.version_info < (2, 6):

    raise Exception('Kallithea requires python 2.6 or 2.7')

here = os.path.abspath(os.path.dirname(__file__))

def _get_meta_var(name, data, callback_handler=None):

    import re

    matches = re.compile(r'(?:%s)\s*=\s*(.*)' % name).search(data)

    if matches:

        if not callable(callback_handler):

            callback_handler = lambda v: v

        return callback_handler(eval(matches.groups()[0]))

_meta = open(os.path.join(here, 'kallithea', '__init__.py'), 'rb')

_metadata = _meta.read()

_meta.close()

callback = lambda V: ('.'.join(map(str, V[:3])) + '.'.join(V[3:]))

__version__ = _get_meta_var('VERSION', _metadata, callback)

__license__ = _get_meta_var('__license__', _metadata)

__author__ = _get_meta_var('__author__', _metadata)

__url__ = _get_meta_var('__url__', _metadata)

# defines current platform

__platform__ = platform.system()

is_windows = __platform__ in ['Windows']

requirements = [

    "alembic>=0.8.0,<0.9",

    "waitress==0.8.8",

    "webob>=1.0.8,<=1.1.1",

    "webtest==1.4.3",

    "Pylons>=1.0.0,<=1.0.2",

    "Beaker==1.6.4",

    "WebHelpers==1.3",

    "formencode>=1.2.4,<=1.2.6",

    "Mako>=0.9.0,<=1.0.0",

    "pygments>=1.5",

    "whoosh>=2.4.0,<=2.5.7",

    "celery>=2.2.5,<2.3",

    "babel>=0.9.6,<=1.3",

    "python-dateutil>=1.5.0,<2.0.0",

    "markdown==2.2.1",

    "docutils>=0.8.1,<=0.11",

    "mock",

    "URLObject==2.3.4",

    "Routes==1.13",

    "pytest>=2.7.0,<3.0",

    "pytest-sugar>=0.7.0,<1.0.0",

    "dulwich>=0.14.1",

    "mercurial>=2.9,<3.9",

]

if sys.version_info < (2, 7):

    requirements.append("importlib==1.0.1")

    requirements.append("unittest2")

    requirements.append("argparse")

if not is_windows:

    requirements.append("bcrypt>=2.0.0")

dependency_links = [

]

classifiers = [

    'Development Status :: 4 - Beta',

    'Environment :: Web Environment',

    'Framework :: Pylons',

    'Intended Audience :: Developers',

    'License :: OSI Approved :: GNU General Public License (GPL)',

    'Operating System :: OS Independent',

    'Programming Language :: Python',

    'Programming Language :: Python :: 2.6',

    'Programming Language :: Python :: 2.7',

    'Topic :: Software Development :: Version Control',

]

# additional files from project that goes somewhere in the filesystem

# relative to sys.prefix

data_files = []

description = ('Kallithea is a fast and powerful management tool '