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"""Update the version using 'git describe'."""
import sys
import re
import subprocess
from packaging import version as pkg_version
INIT_FILE = 'pa_dlna/__init__.py'
def normalize(version, do_print=False):
"Check and normalize 'version' as conform to PEP 440."
try:
v = pkg_version.Version(version)
if do_print:
v_dict = {
'release': v.release,
'pre': v.pre,
'post': v.post,
'dev': v.dev,
'local': v.local,
}
for name, value in v_dict.items():
print(f'{name}: {value}', file=sys.stderr)
return v
except pkg_version.InvalidVersion as e:
print(e, file=sys.stderr)
sys.exit(1)
def main():
"""Set the development version name in INIT_FILE.
The 'git describe' command outputs:
release'-'number_of_commits_since_last_tag'-g'short_commit_sha
After all the characters after the last '-' in the output have been
striped, the version is normalized (made conform to PEP 440) as:
release'.post'number_of_commits_since_last_tag
For example '0.14.post3'.
"""
version = subprocess.check_output(['git', 'describe'])
version = version.decode().strip()
version = normalize(version.rsplit('-', maxsplit=1)[0], do_print=True)
if version.post is None:
print(f'*** Error:\n Cannot set a development version name at release'
f' {version}.\n It must be followed by at least one commit.',
file=sys.stderr)
sys.exit(1)
with open(INIT_FILE) as f:
txt = f.read()
regexp = re.compile(r"(__version__\s+=\s+)'([^']+)'")
new_txt = regexp.sub(rf"\1'{version}'", txt)
with open(INIT_FILE, 'w') as f:
f.write(new_txt)
print(f"{INIT_FILE} has been updated with: __version__ = '{version}'",
file=sys.stderr)
if __name__ == '__main__':
main()
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