зеркало из https://github.com/mozilla/FlightDeck.git
130 строки
5.0 KiB
Python
130 строки
5.0 KiB
Python
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# This file helps to compute a version number in source trees obtained from
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# git-archive tarball (such as those provided by githubs download-from-tag
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# feature). Distribution tarballs (build by setup.py sdist) and build
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# directories (produced by setup.py build) will contain a much shorter file
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# that just contains the computed version number.
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# This file is released into the public domain. Generated by versioneer-0.4
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# (https://github.com/warner/python-versioneer)
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# these strings will be replaced by git during git-archive
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git_refnames = " (HEAD, 1.4rc4, 1.4, origin/stabilization, stabilization)"
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git_full = "fedf331d99dfd890cb33e8606fd5ed23425ef750"
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import subprocess
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def run_command(args, cwd=None, verbose=False):
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try:
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# remember shell=False, so use git.cmd on windows, not just git
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p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd)
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except EnvironmentError, e:
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if verbose:
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print "unable to run %s" % args[0]
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print e
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return None
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stdout = p.communicate()[0].strip()
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if p.returncode != 0:
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if verbose:
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print "unable to run %s (error)" % args[0]
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return None
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return stdout
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import sys
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import re
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import os.path
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def get_expanded_variables(versionfile_source):
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# the code embedded in _version.py can just fetch the value of these
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# variables. When used from setup.py, we don't want to import
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# _version.py, so we do it with a regexp instead. This function is not
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# used from _version.py.
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variables = {}
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try:
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for line in open(versionfile_source,"r").readlines():
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if line.strip().startswith("git_refnames ="):
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mo = re.search(r'=\s*"(.*)"', line)
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if mo:
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variables["refnames"] = mo.group(1)
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if line.strip().startswith("git_full ="):
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mo = re.search(r'=\s*"(.*)"', line)
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if mo:
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variables["full"] = mo.group(1)
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except EnvironmentError:
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pass
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return variables
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def versions_from_expanded_variables(variables, tag_prefix):
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refnames = variables["refnames"].strip()
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if refnames.startswith("$Format"):
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return {} # unexpanded, so not in an unpacked git-archive tarball
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refs = set([r.strip() for r in refnames.strip("()").split(",")])
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for ref in list(refs):
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if not re.search(r'\d', ref):
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refs.discard(ref)
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# Assume all version tags have a digit. git's %d expansion
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# behaves like git log --decorate=short and strips out the
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# refs/heads/ and refs/tags/ prefixes that would let us
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# distinguish between branches and tags. By ignoring refnames
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# without digits, we filter out many common branch names like
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# "release" and "stabilization", as well as "HEAD" and "master".
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for ref in sorted(refs):
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# sorting will prefer e.g. "2.0" over "2.0rc1"
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if ref.startswith(tag_prefix):
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r = ref[len(tag_prefix):]
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return { "version": r,
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"full": variables["full"].strip() }
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# no suitable tags, so we use the full revision id
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return { "version": variables["full"].strip(),
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"full": variables["full"].strip() }
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def versions_from_vcs(tag_prefix, verbose=False):
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# this runs 'git' from the directory that contains this file. That either
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# means someone ran a setup.py command (and this code is in
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# versioneer.py, thus the containing directory is the root of the source
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# tree), or someone ran a project-specific entry point (and this code is
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# in _version.py, thus the containing directory is somewhere deeper in
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# the source tree). This only gets called if the git-archive 'subst'
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# variables were *not* expanded, and _version.py hasn't already been
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# rewritten with a short version string, meaning we're inside a checked
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# out source tree.
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try:
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source_dir = os.path.dirname(os.path.abspath(__file__))
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except NameError:
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# some py2exe/bbfreeze/non-CPython implementations don't do __file__
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return {} # not always correct
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GIT = "git"
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if sys.platform == "win32":
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GIT = "git.cmd"
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stdout = run_command([GIT, "describe", "--tags", "--dirty", "--always"],
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cwd=source_dir)
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if stdout is None:
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return {}
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if not stdout.startswith(tag_prefix):
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if verbose:
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print "tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix)
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return {}
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tag = stdout[len(tag_prefix):]
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stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=source_dir)
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if stdout is None:
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return {}
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full = stdout.strip()
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if tag.endswith("-dirty"):
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full += "-dirty"
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return {"version": tag, "full": full}
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tag_prefix = ""
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def get_versions():
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variables = { "refnames": git_refnames, "full": git_full }
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ver = versions_from_expanded_variables(variables, tag_prefix)
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if not ver:
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ver = versions_from_vcs(tag_prefix)
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if not ver:
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ver = {"version": "unknown", "full": ""}
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return ver
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