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import subprocess
def version_number_from_git(tag_prefix='release/', sha_length=10, version_format="{version}.dev{commits}+{sha}"):
def get_released_versions():
tags = sorted(subprocess.getoutput('git tag').split('\n'))
versions = [t[len(tag_prefix):] for t in tags if t.startswith(tag_prefix)]
return versions
def tag_from_version(v):
return tag_prefix + v
def increment_version(v):
parsed_version = [int(i) for i in v.split('.')]
parsed_version[-1] += 1
return '.'.join(str(i) for i in parsed_version)
latest_release = get_released_versions()[-1]
commits_since_tag = subprocess.getoutput('git rev-list {}..HEAD --count'.format(tag_from_version(latest_release)))
sha = subprocess.getoutput('git rev-parse HEAD')[:sha_length]
is_dirty = len(subprocess.getoutput("git status --untracked-files=no -s")) > 0
if int(commits_since_tag) == 0:
version_string = latest_release
else:
next_version = increment_version(latest_release)
version_string = version_format.format(version=next_version, commits=commits_since_tag, sha=sha)
if is_dirty:
version_string += ".dirty"
return version_string