121 lines
3.5 KiB
Python
121 lines
3.5 KiB
Python
import codecs
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import datetime
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import textwrap
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import os
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import re
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import sys
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import pytz
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import git
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from git.exc import GitCommandError
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from git.objects.commit import Commit
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from . import cmdline
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def get_commit_from_tag(repo, tag_ref):
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ref = repo.tags[tag_ref]
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while ref.object.type == 'tag':
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ref = ref.object
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assert ref.object.type == 'commit'
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return ref.object
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def is_pep0440_project(path):
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if not os.path.exists(os.path.join(path, 'setup.py')):
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return False
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curdir = os.getcwd()
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try:
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os.chdir(path)
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output = cmdline.setup_py('--version')
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if '+' in output:
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return True
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finally:
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os.chdir(curdir)
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return False
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def changelog_from_git(
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project,
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version_suffix,
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path,
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repository='eobuilder',
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maintainer_name='eobuilder',
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maintainer_email='eobuilder@entrouvert.com',
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epoch='',
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):
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repo = git.repo.Repo(path)
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is_pep0440 = is_pep0440_project(path)
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versions = []
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try:
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last_tag = repo.git.describe(abbrev=0)
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except GitCommandError:
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# no tag version is 0.0.<number of commits>
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versions.append(('0.0.%d' % repo.head.commit.count(), repo.head.commit))
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else:
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if get_commit_from_tag(repo, last_tag) != repo.head.commit:
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versions.append((repo.git.describe(), repo.head.commit))
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versions.append((last_tag, get_commit_from_tag(repo, last_tag)))
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while True:
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try:
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last_tag = repo.git.describe(last_tag + '~', abbrev=0)
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except GitCommandError:
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break
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else:
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versions.append((last_tag, get_commit_from_tag(repo, last_tag)))
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n = len(versions)
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for i in range(n):
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name, commit = versions[i]
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if i == n - 1:
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logs = [commit] + list(commit.iter_parents())
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else:
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def encode_hex(value):
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return codecs.encode(value, 'hex').decode('ascii')
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reflog = '%s..%s' % (encode_hex(versions[i + 1][1].binsha), encode_hex(commit.binsha))
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logs = list(Commit.iter_items(repo, reflog))
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if not logs:
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continue
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version = name.lstrip('v').replace('-', '.')
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if is_pep0440:
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# use .postX+g form
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version = re.sub('\.(\d+)\.g', r'.post\1+g', version)
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if i == 0:
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version += version_suffix
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if epoch:
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version = '%s:%s' % (epoch, version)
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yield '%s (%s) %s; urgency=low' % (project, str(version), repository)
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yield ''
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for l in logs:
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try:
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t = '(%s) %s' % (l.hexsha[:6], l.summary)
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except LookupError as e:
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t = '(%s) %s' % (l.hexsha[:6], e)
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lines = textwrap.wrap(t, 80)
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for prefix, suffix in zip([' * '] + [' '] * (len(lines) - 1), lines):
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yield (prefix + suffix)
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paris = pytz.timezone('Europe/Paris')
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date = (
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datetime.datetime.fromtimestamp(logs[0].committed_date + logs[0].committer_tz_offset)
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.replace(tzinfo=pytz.UTC)
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.astimezone(paris)
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.strftime('%a, %d %b %Y %H:%M:%S %z')
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)
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yield ''
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yield ' -- %s <%s> %s' % (maintainer_name, maintainer_email, date)
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yield ''
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if __name__ == '__main__':
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project = sys.argv[1]
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version_suffix = sys.argv[2]
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if len(sys.argv) > 3:
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path = sys.argv[3]
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else:
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path = os.getcwd()
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print('\n'.join(changelog_from_git(project, version_suffix, path)))
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