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git_svn.py
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Tue, Jul 16, 12:55

git_svn.py
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# -*- coding: utf-8 -*-
import os
import re
import git
import svn.remote
import logging
from ... import colored
from ... import color_code
from ...utils import get_password
from .git import RepoGit
__author__ = "Nicolas Richart"
__copyright__ = "Copyright (C) 2016, EPFL (Ecole Polytechnique Fédérale " \
"de Lausanne) - SCITAS (Scientific IT and Application " \
"Support)"
__credits__ = ["Nicolas Richart"]
__license__ = "BSD"
__version__ = "0.1"
__maintainer__ = "Nicolas Richart"
__email__ = "nicolas.richart@epfl.ch"
_logger = logging.getLogger(__name__)
class RepoGitSvn(RepoGit):
"""This class handles the git svn"""
def __enter__(self):
super().__enter__()
_logger.info('Getting repo {0} [{1}] from svn server'.format(
self._in_repo.color_name(self._name),
self._url))
_auth = {}
if (re.match('^https://', self._url)):
_auth['username'] = self._username
_auth['password'] = get_password(self._in_repo.backend_name,
self._in_repo.username,
keyring=self._keyring)
self._svn_client = svn.remote.RemoteClient(self._url, **_auth)
return self
def clone(self):
_svn_logs = self._svn_client.log_default()
_svn_authors = set()
for l in _svn_logs:
_svn_authors.add(l.author)
_authors = {}
for _a in _svn_authors:
_user = self._user_db.user_by_in_login(_a)
if _user is not None:
_authors[_a] = _user
_logger.debug(
'Matching author {0} with "{name} <{email}>"'.format(
colored(_a, color_code['user'], attrs=['bold']),
**_user))
else:
_authors[_a] = {'name': _a,
'email': '{0}@{1}'.format(
_a, self._in_repo.backend_name)}
_svn_authors_file = os.path.join(self.working_dir,
'getmystuph.authors')
with open(_svn_authors_file, 'w') as afh:
afh.write(
'\n'.join(
['{0} = {name} <{email}>'.format(l, **a)
for l, a in _authors.items()]))
_list = self._svn_client.list()
_branches = False
_trunk = False
_tags = False
for _file in _list:
_path = _file.rstrip('/')
if re.match(r'^branches$', _path):
_branches = True
if re.match(r'^trunk$', _path):
_trunk = True
if re.match(r'^tags$', _path):
_tags = True
_stdlayout = False
if _branches and _tags and _trunk:
_logger.debug('Detected svn standard layout for {0}'.format(
self._in_repo.color_name(self._name)))
_stdlayout = True
_logger.info('Cloning repo {0} [{1}] in {2}'.format(
self._in_repo.color_name(self._name),
self._url,
colored(self.working_dir, attrs=['bold'])))
if not os.path.isdir(os.path.join(self.working_dir, '.git')):
_git = git.Git(self.working_dir)
_git.svn('clone', self._url, self.working_dir,
preserve_empty_dirs=True,
authors_file=_svn_authors_file,
stdlayout=_stdlayout)
super().clone()
_tag_re = re.compile('origin/tags/(.*)')
_trunk_re = re.compile('origin/trunk')
for _ref in self._repo.refs:
if type(_ref) == git.refs.remote.RemoteReference:
_match = _tag_re.match(_ref.name)
if _match is not None:
_tag_name = _match.group(1)
_logger.debug('Creating tag {0} from branch {1}'.format(
_tag_name, _ref.name))
git.refs.tag.TagReference.create(
self._repo, _tag_name,
ref=_ref.name)
_logger.debug('Deleting remote branch {1}'.format(
_tag_name, _ref.name))
git.refs.remote.RemoteReference.delete(
self._repo, _ref)
elif _trunk_re.match(_ref.name):
_logger.debug('Deleting trunk branch')
git.refs.remote.RemoteReference.delete(
self._repo, _ref)

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