131 lines
4.3 KiB
Python
131 lines
4.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2014, Craig Tracey <craigtracey@gmail.com>
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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import datetime
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import logging
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import os
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import re
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import time
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# Handle python3 urlparse
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try:
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from urllib.parse import urlparse
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except ImportError:
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from urlparse import urlparse
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from giftwrap.openstack_commit import OpenstackCommit
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from git import Repo
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LOG = logging.getLogger(__name__)
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class OpenstackGitRepo(object):
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def __init__(self, url, project=None, branch='master',
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metadata_cache_dir=None, depth=None):
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self.url = url
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self._project = project
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self.branch = branch
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self._repo = None
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self._metadata_cache_dir = metadata_cache_dir
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self._head_commit = None
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self._depth = depth
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@property
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def cloned(self):
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return self._repo is not None
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@property
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def head(self):
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if not self._head_commit and self._repo:
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self._head_commit = OpenstackCommit(self._repo.head.commit,
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self.project, self.branch,
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self._cache_dir())
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return self._head_commit
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@property
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def project(self):
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if not self._project:
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parsed_url = urlparse(self.url)
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project = os.path.splitext(parsed_url.path)[0]
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self._project = re.sub(r'^/', '', project)
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return self._project
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def clone(self, outdir):
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LOG.debug("Cloning '%s' to '%s'", self.url, outdir)
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kwargs = {'recursive': True}
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if self._depth:
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LOG.debug("Cloning with depth=%d", self._depth)
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kwargs['depth'] = self._depth
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self._repo = Repo.clone_from(self.url, outdir, **kwargs)
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git = self._repo.git
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git.checkout(self.branch)
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self._invalidate_attrs()
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def checkout_branch(self, branch, update=True):
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if not self._repo:
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raise Exception("Cannot checkout on non-existent repo")
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LOG.debug("Checking out branch: %s (update: %s)", branch, update)
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self._repo.git.checkout(branch)
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self._invalidate_attrs()
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self.branch = branch
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if update:
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self._repo.git.pull('origin', branch)
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@property
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def branches(self):
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branches = []
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for ref in self._repo.remotes.origin.refs:
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branches.append(re.sub('^\w*/', '', ref.name))
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return branches
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def __iter__(self):
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if not self._repo:
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raise Exception("iterator called before clone")
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self._commit_iterator = self._repo.iter_commits()
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return self
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def next(self):
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return OpenstackCommit(next(self._commit_iterator),
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self.project, self.branch,
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self._cache_dir())
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def _cache_dir(self):
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if self._metadata_cache_dir:
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return os.path.join(self._metadata_cache_dir,
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self.project, self.branch)
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return None
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def _invalidate_attrs(self):
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self._head_commit = None
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self._commit_iterator = None
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def reset_to_date(self, date):
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if self._repo:
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commit_date_sha = None
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for commit in self._repo.iter_commits():
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if commit.committed_date >= date:
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continue
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elif commit.committed_date < date:
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commit_date_sha = commit.hexsha
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break
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if not commit_date_sha:
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raise Exception("Unable to find commit for date %s",
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datetime.datetime.fromtimestamp(date))
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git = self._repo.git
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LOG.debug("Reset repo '%s' to commit at '%s'", self.url,
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time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(date)))
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git.checkout(commit_date_sha)
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