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import subprocess
import time
from setuptools.command.egg_info import egg_info
class EggInfoFromGit(egg_info):
"""Tag the build with git commit timestamp.
If a build tag has already been set (e.g., "egg_info -b", building
from source package), leave it alone.
"""
def git_timestamp_tag(self):
gitinfo = subprocess.check_output(
['git', 'log', '--first-parent', '--max-count=1',
'--format=format:%ct', '.']).strip()
return time.strftime('.%Y%m%d%H%M%S', time.gmtime(int(gitinfo)))
def tags(self):
if self.tag_build is None:
try:
self.tag_build = self.git_timestamp_tag()
except (subprocess.CalledProcessError, OSError):
pass
return egg_info.tags(self)
vtags = property(tags)
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