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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',
'--version', get_version(),
'--yes',
]
subprocess.check_call(cmd)
def bump_version():
cmd = bump_version_command + ['--allow-dirty']
subprocess.check_call(cmd)
if __name__ == '__main__':
print("Cutting release at", get_version())
update_changelog()
bump_version()
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