repo_type=repo_type,

            description=description,

            owner=owner,

            private=private,

            clone_uri=clone_uri,

            repo_group=repo_group,

            landing_rev=landing_rev,

            fork_of=fork_of,

            copy_fork_permissions=copy_fork_permissions,

            copy_group_permissions=copy_group_permissions,

            enable_statistics=enable_statistics,

            enable_locking=enable_locking,

            enable_downloads=enable_downloads,

            state=state

        )

        action_logger(cur_user, 'user_created_repo',

                      form_data['repo_name_full'], '')

        DBS.commit()

        # now create this repo on Filesystem

        RepoModel()._create_filesystem_repo(

            repo_name=repo_name,

            repo_type=repo_type,

            repo_group=RepoGroup.guess_instance(repo_group),

            clone_uri=clone_uri,

        )

        repo = Repository.get_by_repo_name(repo_name_full)

        log_create_repository(repo.get_dict(), created_by=owner.username)

        # update repo changeset caches initially

        repo.update_changeset_cache()

        # set new created state

        repo.set_state(Repository.STATE_CREATED)

        DBS.commit()

    except Exception as e:

        log.warning('Exception %s occurred when forking repository, '

                    'doing cleanup...' % e)

        # rollback things manually !

        repo = Repository.get_by_repo_name(repo_name_full)

        if repo:

            Repository.delete(repo.repo_id)

            DBS.commit()

            RepoModel()._delete_filesystem_repo(repo)

        raise

    return True

@celerylib.task

@celerylib.dbsession

def create_repo_fork(form_data, cur_user):

    """

    Creates a fork of repository using interval VCS methods

    :param form_data:

    :param cur_user:

    """

    from kallithea.model.repo import RepoModel

    DBS = celerylib.get_session()

    base_path = Repository.base_path()

    cur_user = User.guess_instance(cur_user)

    repo_name = form_data['repo_name']  # fork in this case

    repo_name_full = form_data['repo_name_full']

    repo_type = form_data['repo_type']

    owner = cur_user

    private = form_data['private']

    clone_uri = form_data.get('clone_uri')

    repo_group = form_data['repo_group']

    landing_rev = form_data['landing_rev']

    copy_fork_permissions = form_data.get('copy_permissions')

    try:

        fork_of = Repository.guess_instance(form_data.get('fork_parent_id'))

        RepoModel()._create_repo(

            repo_name=repo_name_full,

            repo_type=repo_type,

            description=form_data['description'],

            owner=owner,

            private=private,

            clone_uri=clone_uri,

            repo_group=repo_group,

            landing_rev=landing_rev,

            fork_of=fork_of,

            copy_fork_permissions=copy_fork_permissions

        )

        action_logger(cur_user, 'user_forked_repo:%s' % repo_name_full,

                      fork_of.repo_name, '')

        DBS.commit()

        source_repo_path = os.path.join(base_path, fork_of.repo_name)

        # now create this repo on Filesystem

        RepoModel()._create_filesystem_repo(

            repo_name=repo_name,

            repo_type=repo_type,

            repo_group=RepoGroup.guess_instance(repo_group),

            clone_uri=source_repo_path,

        )

        repo = Repository.get_by_repo_name(repo_name_full)

        log_create_repository(repo.get_dict(), created_by=owner.username)

        # update repo changeset caches initially

        repo.update_changeset_cache()

        # set new created state

        repo.set_state(Repository.STATE_CREATED)

        DBS.commit()

    except Exception as e:

        log.warning('Exception %s occurred when forking repository, '

                    'doing cleanup...' % e)

        #rollback things manually !

        repo = Repository.get_by_repo_name(repo_name_full)

        if repo:

            Repository.delete(repo.repo_id)

            DBS.commit()

            RepoModel()._delete_filesystem_repo(repo)

        raise

    return True

def __get_codes_stats(repo_name):

    from kallithea.config.conf import LANGUAGES_EXTENSIONS_MAP

    repo = Repository.get_by_repo_name(repo_name).scm_instance

    tip = repo.get_changeset()

    code_stats = {}

    def aggregate(cs):

        for f in cs[2]:

            ext = lower(f.extension)

            if ext in LANGUAGES_EXTENSIONS_MAP.keys() and not f.is_binary:

                if ext in code_stats:

                    code_stats[ext] += 1

                else:

                    code_stats[ext] = 1

    map(aggregate, tip.walk('/'))

    return code_stats or {}

                # check permission at this level

                if not HasRepoPermissionLevel('read')(repo.repo_name, 'get_repos_as_dict check'):

                    continue

            cs_cache = repo.changeset_cache

            row = {

                "raw_name": repo.repo_name,

                "just_name": repo.just_name,

                "name": repo_lnk(repo.repo_name, repo.repo_type,

                                 repo.repo_state, repo.private, repo.fork),

                "last_change_iso": repo.last_db_change.isoformat(),

                "last_change": last_change(repo.last_db_change),

                "last_changeset": last_rev(repo.repo_name, cs_cache),

                "last_rev_raw": cs_cache.get('revision'),

                "desc": desc(repo.description),

                "owner": h.person(repo.owner),

                "state": state(repo.repo_state),

                "rss": rss_lnk(repo.repo_name),

                "atom": atom_lnk(repo.repo_name),

            }

            if admin:

                row.update({

                    "action": repo_actions(repo.repo_name),

                    "owner": owner_actions(repo.owner_id,

                                           h.person(repo.owner))

                })

            repos_data.append(row)

        return {

            "totalRecords": len(repos_list),

            "startIndex": 0,

            "sort": "name",

            "dir": "asc",

            "records": repos_data

        }

    def _get_defaults(self, repo_name):

        """

        Gets information about repository, and returns a dict for

        usage in forms

        :param repo_name:

        """

        repo_info = Repository.get_by_repo_name(repo_name)

        if repo_info is None:

            return None

        defaults = repo_info.get_dict()

        defaults['repo_name'] = repo_info.just_name

        defaults['repo_group'] = repo_info.group_id

        for strip, k in [(0, 'repo_type'), (1, 'repo_enable_downloads'),

                         (1, 'repo_description'), (1, 'repo_enable_locking'),

                         (1, 'repo_landing_rev'), (0, 'clone_uri'),

                         (1, 'repo_private'), (1, 'repo_enable_statistics')]:

            attr = k

            if strip:

                attr = remove_prefix(k, 'repo_')

            val = defaults[attr]

            if k == 'repo_landing_rev':

                val = ':'.join(defaults[attr])

            defaults[k] = val

            if k == 'clone_uri':

                defaults['clone_uri_hidden'] = repo_info.clone_uri_hidden

        # fill owner

        if repo_info.owner:

            defaults.update({'owner': repo_info.owner.username})

        else:

            replacement_user = User.query().filter(User.admin ==

                                                   True).first().username

            defaults.update({'owner': replacement_user})

        # fill repository users

        for p in repo_info.repo_to_perm:

            defaults.update({'u_perm_%s' % p.user.username:

                                 p.permission.permission_name})

        # fill repository groups

        for p in repo_info.users_group_to_perm:

            defaults.update({'g_perm_%s' % p.users_group.users_group_name:

                                 p.permission.permission_name})

        return defaults

    def update(self, repo, **kwargs):

        try:

            cur_repo = Repository.guess_instance(repo)

            org_repo_name = cur_repo.repo_name

            if 'owner' in kwargs:

                cur_repo.owner = User.get_by_username(kwargs['owner'])

            if 'repo_group' in kwargs:

                cur_repo.group = RepoGroup.get(kwargs['repo_group'])

                cur_repo.repo_name = cur_repo.get_new_name(cur_repo.just_name)

            log.debug('Updating repo %s with params:%s', cur_repo, kwargs)

            for k in ['repo_enable_downloads',

                      'repo_description',

                      'repo_enable_locking',

                      'repo_landing_rev',

                      'repo_private',

                      'repo_enable_statistics',

                      ]:

                if k in kwargs:

                    setattr(cur_repo, remove_prefix(k, 'repo_'), kwargs[k])

            clone_uri = kwargs.get('clone_uri')

            if clone_uri is not None and clone_uri != cur_repo.clone_uri_hidden:

                cur_repo.clone_uri = clone_uri

            if 'repo_name' in kwargs:

                cur_repo.repo_name = cur_repo.get_new_name(kwargs['repo_name'])

            #if private flag is set, reset default permission to NONE

            if kwargs.get('repo_private'):

                EMPTY_PERM = 'repository.none'

                RepoModel().grant_user_permission(

                    repo=cur_repo, user='default', perm=EMPTY_PERM

                )

                #handle extra fields

            for field in filter(lambda k: k.startswith(RepositoryField.PREFIX),

                                kwargs):

                k = RepositoryField.un_prefix_key(field)

                ex_field = RepositoryField.get_by_key_name(key=k, repo=cur_repo)

                if ex_field:

                    ex_field.field_value = kwargs[field]

            if org_repo_name != cur_repo.repo_name:

                # rename repository

                self._rename_filesystem_repo(old=org_repo_name, new=cur_repo.repo_name)

            return cur_repo

        except Exception:

            log.error(traceback.format_exc())

            raise

    def _create_repo(self, repo_name, repo_type, description, owner,

                     private=False, clone_uri=None, repo_group=None,

                     landing_rev='rev:tip', fork_of=None,

                     copy_fork_permissions=False, enable_statistics=False,

                     enable_locking=False, enable_downloads=False,

                     copy_group_permissions=False, state=Repository.STATE_PENDING):

        """

        Create repository inside database with PENDING state. This should only be

        executed by create() repo, with exception of importing existing repos.

        """

        from kallithea.model.scm import ScmModel

        owner = User.guess_instance(owner)

        fork_of = Repository.guess_instance(fork_of)

        repo_group = RepoGroup.guess_instance(repo_group)

        try:

            repo_name = safe_unicode(repo_name)

            description = safe_unicode(description)

            # repo name is just a name of repository

            # while repo_name_full is a full qualified name that is combined

            # with name and path of group

            repo_name_full = repo_name

            repo_name = repo_name.split(self.URL_SEPARATOR)[-1]

            new_repo = Repository()

            new_repo.repo_state = state

            new_repo.enable_statistics = False

            new_repo.repo_name = repo_name_full

            new_repo.repo_type = repo_type

            new_repo.owner = owner

            new_repo.group = repo_group

            new_repo.description = description or repo_name

            new_repo.private = private

            new_repo.clone_uri = clone_uri

            new_repo.landing_rev = landing_rev

            new_repo.enable_statistics = enable_statistics

            new_repo.enable_locking = enable_locking

            new_repo.enable_downloads = enable_downloads

            if repo_group:

                new_repo.enable_locking = repo_group.enable_locking

            if fork_of:

                parent_repo = fork_of

                new_repo.fork = parent_repo

            Session().add(new_repo)

            if fork_of and copy_fork_permissions:

                repo = fork_of

                user_perms = UserRepoToPerm.query() \

                    .filter(UserRepoToPerm.repository == repo).all()

            return new_repo_group

        except Exception:

            log.error(traceback.format_exc())

            raise

    def _update_permissions(self, repo_group, perms_new=None,

                            perms_updates=None, recursive=None,

                            check_perms=True):

        from kallithea.model.repo import RepoModel

        from kallithea.lib.auth import HasUserGroupPermissionLevel

        if not perms_new:

            perms_new = []

        if not perms_updates:

            perms_updates = []

        def _set_perm_user(obj, user, perm):

            if isinstance(obj, RepoGroup):

                self.grant_user_permission(repo_group=obj, user=user, perm=perm)

            elif isinstance(obj, Repository):

                user = User.guess_instance(user)

                # private repos will not allow to change the default permissions

                # using recursive mode

                if obj.private and user.is_default_user:

                    return

                # we set group permission but we have to switch to repo

                # permission

                perm = perm.replace('group.', 'repository.')

                RepoModel().grant_user_permission(

                    repo=obj, user=user, perm=perm

                )

        def _set_perm_group(obj, users_group, perm):

            if isinstance(obj, RepoGroup):

                self.grant_user_group_permission(repo_group=obj,

                                                  group_name=users_group,

                                                  perm=perm)

            elif isinstance(obj, Repository):

                # we set group permission but we have to switch to repo

                # permission

                perm = perm.replace('group.', 'repository.')

                RepoModel().grant_user_group_permission(

                    repo=obj, group_name=users_group, perm=perm

                )

        # start updates

        updates = []

        log.debug('Now updating permissions for %s in recursive mode:%s',

                  repo_group, recursive)

        for obj in repo_group.recursive_groups_and_repos():

            # iterated obj is an instance of a repos group or repository in

            # that group, recursive option can be: none, repos, groups, all

            if recursive == 'all':

                pass

            elif recursive == 'repos':

                # skip groups, other than this one

                if isinstance(obj, RepoGroup) and not obj == repo_group:

                    continue

            elif recursive == 'groups':

                # skip repos

                if isinstance(obj, Repository):

                    continue

            else:  # recursive == 'none': # DEFAULT don't apply to iterated objects

                obj = repo_group

                # also we do a break at the end of this loop.

            # update permissions

            for member, perm, member_type in perms_updates:

                ## set for user

                if member_type == 'user':

                    # this updates also current one if found

                    _set_perm_user(obj, user=member, perm=perm)

                ## set for user group

                else:

                    #check if we have permissions to alter this usergroup's access

                    if not check_perms or HasUserGroupPermissionLevel('read')(member):

                        _set_perm_group(obj, users_group=member, perm=perm)

            # set new permissions

            for member, perm, member_type in perms_new:

                if member_type == 'user':

                    _set_perm_user(obj, user=member, perm=perm)

                else:

                    #check if we have permissions to alter this usergroup's access

                    if not check_perms or HasUserGroupPermissionLevel('read')(member):

                        _set_perm_group(obj, users_group=member, perm=perm)

            updates.append(obj)

            # if it's not recursive call for all,repos,groups

            # break the loop and don't proceed with other changes

            if recursive not in ['all', 'repos', 'groups']:

                break

        return updates

        try:

            repo_group = RepoGroup.guess_instance(repo_group)

            old_path = repo_group.full_path

            # change properties

            new_path = repo_group.full_path

            Session().add(repo_group)

            # iterate over all members of this groups and do fixes

            # set locking if given

            # if obj is a repoGroup also fix the name of the group according

            # to the parent

            # if obj is a Repo fix it's name

            # this can be potentially heavy operation

            for obj in repo_group.recursive_groups_and_repos():

                #set the value from it's parent

                obj.enable_locking = repo_group.enable_locking

                if isinstance(obj, RepoGroup):

                    new_name = obj.get_new_name(obj.name)

                    log.debug('Fixing group %s to new name %s' \

                                % (obj.group_name, new_name))

                    obj.group_name = new_name

                elif isinstance(obj, Repository):

                    # we need to get all repositories from this new group and

                    # rename them accordingly to new group path

                    new_name = obj.get_new_name(obj.just_name)

                    log.debug('Fixing repo %s to new name %s' \

                                % (obj.repo_name, new_name))

                    obj.repo_name = new_name

            self._rename_group(old_path, new_path)

            return repo_group

        except Exception:

            log.error(traceback.format_exc())

            raise

    def delete(self, repo_group, force_delete=False):

        repo_group = RepoGroup.guess_instance(repo_group)

        try:

            Session().delete(repo_group)

            self._delete_group(repo_group, force_delete)

        except Exception:

            log.error('Error removing repo_group %s', repo_group)

            raise

    def add_permission(self, repo_group, obj, obj_type, perm, recursive):

        from kallithea.model.repo import RepoModel

        repo_group = RepoGroup.guess_instance(repo_group)

        perm = Permission.guess_instance(perm)

        for el in repo_group.recursive_groups_and_repos():

            # iterated obj is an instance of a repos group or repository in

            # that group, recursive option can be: none, repos, groups, all

            if recursive == 'all':

                pass

            elif recursive == 'repos':

                # skip groups, other than this one

                if isinstance(el, RepoGroup) and not el == repo_group:

                    continue

            elif recursive == 'groups':

                # skip repos

                if isinstance(el, Repository):

                    continue

            else:  # recursive == 'none': # DEFAULT don't apply to iterated objects

                el = repo_group

                # also we do a break at the end of this loop.

            if isinstance(el, RepoGroup):

                if obj_type == 'user':

                    RepoGroupModel().grant_user_permission(el, user=obj, perm=perm)

                elif obj_type == 'user_group':

                    RepoGroupModel().grant_user_group_permission(el, group_name=obj, perm=perm)

                else:

                    raise Exception('undefined object type %s' % obj_type)

            elif isinstance(el, Repository):

                # for repos we need to hotfix the name of permission

                _perm = perm.permission_name.replace('group.', 'repository.')

                if obj_type == 'user':

                    RepoModel().grant_user_permission(el, user=obj, perm=_perm)

                elif obj_type == 'user_group':

                    RepoModel().grant_user_group_permission(el, group_name=obj, perm=_perm)

                else:

                    raise Exception('undefined object type %s' % obj_type)

            else:

                raise Exception('el should be instance of Repository or '

                                'RepositoryGroup got %s instead' % type(el))

            # if it's not recursive call for all,repos,groups

            # break the loop and don't proceed with other changes

            if recursive not in ['all', 'repos', 'groups']:

                break

    def delete_permission(self, repo_group, obj, obj_type, recursive):

        """

        Revokes permission for repo_group for given obj(user or users_group),

        obj_type can be user or user group

        :param repo_group:

        :param obj: user or user group id

        :param obj_type: user or user group type

# -*- 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/>.

"""

Helpers for fixture generation

"""

import logging

import os

import shutil

import tarfile

from os.path import dirname

from kallithea.model.db import Repository, User, RepoGroup, UserGroup, Gist

from kallithea.model.meta import Session

from kallithea.model.repo import RepoModel

from kallithea.model.user import UserModel

from kallithea.model.repo_group import RepoGroupModel

from kallithea.model.user_group import UserGroupModel

from kallithea.model.gist import GistModel

from kallithea.model.scm import ScmModel

from kallithea.lib.db_manage import DbManage

from kallithea.lib.vcs.backends.base import EmptyChangeset

from kallithea.tests.base import invalidate_all_caches, GIT_REPO, HG_REPO, TESTS_TMP_PATH, TEST_USER_ADMIN_LOGIN

log = logging.getLogger(__name__)

FIXTURES = os.path.join(dirname(dirname(os.path.abspath(__file__))), 'tests', 'fixtures')

def error_function(*args, **kwargs):

    raise Exception('Total Crash !')

class Fixture(object):

    def __init__(self):

        pass

    def anon_access(self, status):

        """

        Context manager for controlling anonymous access.

        Anon access will be set and committed, but restored again when exiting the block.

        Usage:

        fixture = Fixture()

        with fixture.anon_access(False):

            stuff

        """

        class context(object):

            def __enter__(self):

                anon = User.get_default_user()

                self._before = anon.active

                anon.active = status

                Session().commit()

                invalidate_all_caches()

            def __exit__(self, exc_type, exc_val, exc_tb):

                anon = User.get_default_user()

                anon.active = self._before

                Session().commit()

        return context()

    def _get_repo_create_params(self, **custom):

        defs = dict(

            repo_name=None,

            repo_type='hg',

            clone_uri='',

            repo_group=u'-1',

            repo_description=u'DESC',

            repo_private=False,

            repo_landing_rev='rev:tip',

            repo_copy_permissions=False,

            repo_state=Repository.STATE_CREATED,

        )

        defs.update(custom)

        if 'repo_name_full' not in custom:

            defs.update({'repo_name_full': defs['repo_name']})

        # fix the repo name if passed as repo_name_full

        if defs['repo_name']:

            defs['repo_name'] = defs['repo_name'].split('/')[-1]

        return defs

        defs = dict(

            group_name=None,

            group_description=u'DESC',

            perms_updates=[],

            perms_new=[],

            enable_locking=False,

            recursive=False

        )

        defs.update(custom)

        return defs

    def _get_user_create_params(self, name, **custom):

        defs = dict(

            username=name,

            password='qweqwe',

            email='%s+test@example.com' % name,

            firstname=u'TestUser',

            lastname=u'Test',

            active=True,

            admin=False,

            extern_type='internal',

            extern_name=None

        )

        defs.update(custom)

        return defs

    def _get_user_group_create_params(self, name, **custom):

        defs = dict(

            users_group_name=name,

            user_group_description=u'DESC',

            users_group_active=True,

            user_group_data={},

        )

        defs.update(custom)

        return defs

        if 'skip_if_exists' in kwargs:

            del kwargs['skip_if_exists']

            r = Repository.get_by_repo_name(name)

            if r:

                return r

        form_data = self._get_repo_create_params(repo_name=name, **kwargs)

        cur_user = kwargs.get('cur_user', TEST_USER_ADMIN_LOGIN)

        RepoModel().create(form_data, cur_user)

        Session().commit()

        ScmModel().mark_for_invalidation(name)

        return Repository.get_by_repo_name(name)

    def create_fork(self, repo_to_fork, fork_name, **kwargs):

        repo_to_fork = Repository.get_by_repo_name(repo_to_fork)

        form_data = self._get_repo_create_params(repo_name=fork_name,

                                            fork_parent_id=repo_to_fork,

                                            repo_type=repo_to_fork.repo_type,

                                            **kwargs)

        form_data['description'] = form_data['repo_description']

        form_data['private'] = form_data['repo_private']

        form_data['landing_rev'] = form_data['repo_landing_rev']

        owner = kwargs.get('cur_user', TEST_USER_ADMIN_LOGIN)

        RepoModel().create_fork(form_data, cur_user=owner)

        Session().commit()

        ScmModel().mark_for_invalidation(fork_name)

        r = Repository.get_by_repo_name(fork_name)

        assert r

        return r

    def destroy_repo(self, repo_name, **kwargs):

        RepoModel().delete(repo_name, **kwargs)

        Session().commit()

        if 'skip_if_exists' in kwargs:

            del kwargs['skip_if_exists']

            gr = RepoGroup.get_by_group_name(group_name=name)

            if gr:

                return gr

        gr = RepoGroupModel().create(

            group_name=form_data['group_name'],

            group_description=form_data['group_name'],

        Session().commit()

        gr = RepoGroup.get_by_group_name(gr.group_name)

        return gr

    def destroy_repo_group(self, repogroupid):

        RepoGroupModel().delete(repogroupid)

        Session().commit()

    def create_user(self, name, **kwargs):

        if 'skip_if_exists' in kwargs:

            del kwargs['skip_if_exists']

            user = User.get_by_username(name)

            if user:

                return user

        form_data = self._get_user_create_params(name, **kwargs)

        user = UserModel().create(form_data)

        Session().commit()

        user = User.get_by_username(user.username)

        return user

    def destroy_user(self, userid):

        UserModel().delete(userid)

        Session().commit()

    def create_user_group(self, name, **kwargs):

        if 'skip_if_exists' in kwargs:

            del kwargs['skip_if_exists']

            gr = UserGroup.get_by_group_name(group_name=name)

            if gr:

                return gr

        form_data = self._get_user_group_create_params(name, **kwargs)

        owner = kwargs.get('cur_user', TEST_USER_ADMIN_LOGIN)

        user_group = UserGroupModel().create(

            name=form_data['users_group_name'],

            description=form_data['user_group_description'],

            owner=owner, active=form_data['users_group_active'],

            group_data=form_data['user_group_data'])

        Session().commit()

        user_group = UserGroup.get_by_group_name(user_group.users_group_name)

        return user_group

    def destroy_user_group(self, usergroupid):

        UserGroupModel().delete(user_group=usergroupid, force=True)

        Session().commit()

    def create_gist(self, **kwargs):

        form_data = {

            'description': u'new-gist',

            'owner': TEST_USER_ADMIN_LOGIN,

            'gist_type': Gist.GIST_PUBLIC,

            'lifetime': -1,

            'gist_mapping': {'filename1.txt':{'content':'hello world'},}

        }

        form_data.update(kwargs)

        gist = GistModel().create(

            description=form_data['description'],owner=form_data['owner'],

            gist_mapping=form_data['gist_mapping'], gist_type=form_data['gist_type'],

            lifetime=form_data['lifetime']

        )

        Session().commit()

        return gist

    def destroy_gists(self, gistid=None):

        for g in Gist.query():

            if gistid:

                if gistid == g.gist_access_id:

                    GistModel().delete(g)

            else:

                GistModel().delete(g)

        Session().commit()

    def load_resource(self, resource_name, strip=True):

        with open(os.path.join(FIXTURES, resource_name), 'rb') as f:

            source = f.read()

            if strip:

                source = source.strip()

        return source

    def commit_change(self, repo, filename, content, message, vcs_type,

                      parent=None, newfile=False, author=None):

        repo = Repository.get_by_repo_name(repo)

        _cs = parent

        if parent is None:

            _cs = EmptyChangeset(alias=vcs_type)

        if author is None:

            author = TEST_USER_ADMIN_LOGIN

        if newfile:

            nodes = {

                filename: {

                    'content': content

                }