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"""
Finalize the repo for a release. Invokes towncrier and bumpversion.
"""
__requires__ = ['bump2version', 'towncrier']
import subprocess
import pathlib
import re
import sys
def release_kind():
"""
Determine which release to make based on the files in the
changelog.
"""
# use min here as 'major' < 'minor' < 'patch'
return min(
'major' if 'breaking' in file.name else
'minor' if 'change' in file.name else
'patch'
for file in pathlib.Path('changelog.d').iterdir()
)
bump_version_command = [
sys.executable,
'-m', 'bumpversion',
release_kind(),
]
def get_version():
cmd = bump_version_command + ['--dry-run', '--verbose']
out = subprocess.check_output(cmd, text=True)
return re.search('^new_version=(.*)', out, re.MULTILINE).group(1)
def update_changelog():
cmd = [
sys.executable, '-m',
'towncrier',
'build',
'--version', get_version(),
'--yes',
]
subprocess.check_call(cmd)
_repair_changelog()
def _repair_changelog():
"""
Workaround for #2666
"""
changelog_fn = pathlib.Path('CHANGES.rst')
changelog = changelog_fn.read_text()
fixed = re.sub(r'^(v[0-9.]+)v[0-9.]+$', r'\1', changelog, flags=re.M)
changelog_fn.write_text(fixed)
subprocess.check_output(['git', 'add', changelog_fn])
def bump_version():
cmd = bump_version_command + ['--allow-dirty']
subprocess.check_call(cmd)
def ensure_config():
"""
Double-check that Git has an e-mail configured.
"""
subprocess.check_output(['git', 'config', 'user.email'])
def check_changes():
"""
Verify that all of the files in changelog.d have the appropriate
names.
"""
allowed = 'deprecation', 'breaking', 'change', 'doc', 'misc'
except_ = 'README.rst', '.gitignore'
news_fragments = (
file
for file in pathlib.Path('changelog.d').iterdir()
if file.name not in except_
)
unrecognized = [
str(file)
for file in news_fragments
if not any(f".{key}" in file.suffixes for key in allowed)
]
if unrecognized:
raise ValueError(f"Some news fragments have invalid names: {unrecognized}")
if __name__ == '__main__':
print("Cutting release at", get_version())
ensure_config()
check_changes()
update_changelog()
bump_version()
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