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"""
Invoke development tasks.
"""
from pathlib import Path
from subprocess import check_output, check_call
import invoke
@invoke.task(help={
'version': 'version being released',
})
def announce(ctx, version):
"""Generates a new release announcement entry in the docs."""
# Get our list of authors
stdout = check_output(["git", "describe", "--abbrev=0", '--tags'])
stdout = stdout.decode('utf-8')
last_version = stdout.strip()
stdout = check_output(["git", "log", "{}..HEAD".format(last_version), "--format=%aN"])
stdout = stdout.decode('utf-8')
contributors = set(stdout.splitlines())
template_name = 'release.minor.rst' if version.endswith('.0') else 'release.patch.rst'
template_text = Path(__file__).parent.joinpath(template_name).read_text(encoding='UTF-8')
contributors_text = '\n'.join('* {}'.format(name) for name in sorted(contributors)) + '\n'
text = template_text.format(version=version, contributors=contributors_text)
target = Path(__file__).parent.joinpath('../doc/en/announce/release-{}.rst'.format(version))
target.write_text(text, encoding='UTF-8')
print("[generate.announce] Generated {}".format(target.name))
# Update index with the new release entry
index_path = Path(__file__).parent.joinpath('../doc/en/announce/index.rst')
lines = index_path.read_text(encoding='UTF-8').splitlines()
indent = ' '
for index, line in enumerate(lines):
if line.startswith('{}release-'.format(indent)):
new_line = indent + target.stem
if line != new_line:
lines.insert(index, new_line)
index_path.write_text('\n'.join(lines) + '\n', encoding='UTF-8')
print("[generate.announce] Updated {}".format(index_path.name))
else:
print("[generate.announce] Skip {} (already contains release)".format(index_path.name))
break
check_call(['git', 'add', str(target)])
@invoke.task()
def regen(ctx):
"""Call regendoc tool to update examples and pytest output in the docs."""
print("[generate.regen] Updating docs")
check_call(['tox', '-e', 'regen'])
@invoke.task()
def make_tag(ctx, version):
"""Create a new, local tag for the release, only if the repository is clean."""
from git import Repo
repo = Repo('.')
if repo.is_dirty():
print('Current repository is dirty. Please commit any changes and try again.')
raise invoke.Exit(code=2)
tag_names = [x.name for x in repo.tags]
if version in tag_names:
print("[generate.make_tag] Delete existing tag {}".format(version))
repo.delete_tag(version)
print("[generate.make_tag] Create tag {}".format(version))
repo.create_tag(version)
@invoke.task(help={
'version': 'version being released',
})
def pre_release(ctx, version):
"""Generates new docs, release announcements and creates a local tag."""
announce(ctx, version)
regen(ctx)
changelog(ctx, version, write_out=True)
msg = 'Preparing release version {}'.format(version)
check_call(['git', 'commit', '-a', '-m', msg])
make_tag(ctx, version)
print()
print('[generate.pre_release] Please push your branch and open a PR.')
@invoke.task(help={
'version': 'version being released',
'write_out': 'write changes to the actual changelog'
})
def changelog(ctx, version, write_out=False):
if write_out:
addopts = []
else:
addopts = ['--draft']
check_call(['towncrier', '--yes', '--version', version] + addopts)
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