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"""Contains library functions"""

import logging

import os

import tempfile

from git import (

Repo

)

from git.db import (

GitCmdObjectDB,

GitDB

)

from git.test.lib import (

TestBase

)

from git.util import rmtree

import os.path as osp

#{ Invariants

k_env_git_repo = "GIT_PYTHON_TEST_GIT_REPO_BASE"

#} END invariants

#{ Base Classes

class TestBigRepoR(TestBase):

"""TestCase providing access to readonly 'big' repositories using the following

member variables:

* gitrorepo

* Read-Only git repository - actually the repo of git itself

* puregitrorepo

* As gitrepo, but uses pure python implementation

"""

#{ Invariants

#} END invariants

def setUp(self):

try:

super(TestBigRepoR, self).setUp()

except AttributeError:

pass

repo_path = os.environ.get(k_env_git_repo)

if repo_path is None:

logging.info(

("You can set the %s environment variable to a .git repository of" % k_env_git_repo) +

"your choice - defaulting to the gitpython repository")

repo_path = osp.dirname(__file__)

# end set some repo path

self.gitrorepo = Repo(repo_path, odbt=GitCmdObjectDB, search_parent_directories=True)

self.puregitrorepo = Repo(repo_path, odbt=GitDB, search_parent_directories=True)

def tearDown(self):

self.gitrorepo.git.clear_cache()

self.gitrorepo = None

self.puregitrorepo.git.clear_cache()

self.puregitrorepo = None

class TestBigRepoRW(TestBigRepoR):

"""As above, but provides a big repository that we can write to.

Provides ``self.gitrwrepo`` and ``self.puregitrwrepo``"""

def setUp(self):

self.gitrwrepo = None

try:

super(TestBigRepoRW, self).setUp()

except AttributeError:

pass

dirname = tempfile.mktemp()

os.mkdir(dirname)

self.gitrwrepo = self.gitrorepo.clone(dirname, shared=True, bare=True, odbt=GitCmdObjectDB)

self.puregitrwrepo = Repo(dirname, odbt=GitDB)

def tearDown(self):

super(TestBigRepoRW, self).tearDown()

if self.gitrwrepo is not None:

rmtree(self.gitrwrepo.working_dir)

self.gitrwrepo.git.clear_cache()

self.gitrwrepo = None

self.puregitrwrepo.git.clear_cache()

self.puregitrwrepo = None

#} END base classes

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