1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/addon-sdk/source/python-lib/cuddlefish/_version.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,171 @@
1.4 +
1.5 +# This file helps to compute a version number in source trees obtained from
1.6 +# git-archive tarball (such as those provided by githubs download-from-tag
1.7 +# feature). Distribution tarballs (build by setup.py sdist) and build
1.8 +# directories (produced by setup.py build) will contain a much shorter file
1.9 +# that just contains the computed version number.
1.10 +
1.11 +# This file is released into the public domain. Generated by versioneer-0.6
1.12 +# (https://github.com/warner/python-versioneer)
1.13 +
1.14 +# these strings will be replaced by git during git-archive
1.15 +git_refnames = "$Format:%d$"
1.16 +git_full = "$Format:%H$"
1.17 +
1.18 +
1.19 +import subprocess
1.20 +
1.21 +def run_command(args, cwd=None, verbose=False):
1.22 + try:
1.23 + # remember shell=False, so use git.cmd on windows, not just git
1.24 + p = subprocess.Popen(args, stdout=subprocess.PIPE, cwd=cwd)
1.25 + except EnvironmentError, e:
1.26 + if verbose:
1.27 + print "unable to run %s" % args[0]
1.28 + print e
1.29 + return None
1.30 + stdout = p.communicate()[0].strip()
1.31 + if p.returncode != 0:
1.32 + if verbose:
1.33 + print "unable to run %s (error)" % args[0]
1.34 + return None
1.35 + return stdout
1.36 +
1.37 +
1.38 +import sys
1.39 +import re
1.40 +import os.path
1.41 +
1.42 +def get_expanded_variables(versionfile_source):
1.43 + # the code embedded in _version.py can just fetch the value of these
1.44 + # variables. When used from setup.py, we don't want to import
1.45 + # _version.py, so we do it with a regexp instead. This function is not
1.46 + # used from _version.py.
1.47 + variables = {}
1.48 + try:
1.49 + for line in open(versionfile_source,"r").readlines():
1.50 + if line.strip().startswith("git_refnames ="):
1.51 + mo = re.search(r'=\s*"(.*)"', line)
1.52 + if mo:
1.53 + variables["refnames"] = mo.group(1)
1.54 + if line.strip().startswith("git_full ="):
1.55 + mo = re.search(r'=\s*"(.*)"', line)
1.56 + if mo:
1.57 + variables["full"] = mo.group(1)
1.58 + except EnvironmentError:
1.59 + pass
1.60 + return variables
1.61 +
1.62 +def versions_from_expanded_variables(variables, tag_prefix):
1.63 + refnames = variables["refnames"].strip()
1.64 + if refnames.startswith("$Format"):
1.65 + return {} # unexpanded, so not in an unpacked git-archive tarball
1.66 + refs = set([r.strip() for r in refnames.strip("()").split(",")])
1.67 + for ref in list(refs):
1.68 + if not re.search(r'\d', ref):
1.69 + refs.discard(ref)
1.70 + # Assume all version tags have a digit. git's %d expansion
1.71 + # behaves like git log --decorate=short and strips out the
1.72 + # refs/heads/ and refs/tags/ prefixes that would let us
1.73 + # distinguish between branches and tags. By ignoring refnames
1.74 + # without digits, we filter out many common branch names like
1.75 + # "release" and "stabilization", as well as "HEAD" and "master".
1.76 + for ref in sorted(refs):
1.77 + # sorting will prefer e.g. "2.0" over "2.0rc1"
1.78 + if ref.startswith(tag_prefix):
1.79 + r = ref[len(tag_prefix):]
1.80 + return { "version": r,
1.81 + "full": variables["full"].strip() }
1.82 + # no suitable tags, so we use the full revision id
1.83 + return { "version": variables["full"].strip(),
1.84 + "full": variables["full"].strip() }
1.85 +
1.86 +def versions_from_vcs(tag_prefix, versionfile_source, verbose=False):
1.87 + # this runs 'git' from the root of the source tree. That either means
1.88 + # someone ran a setup.py command (and this code is in versioneer.py, thus
1.89 + # the containing directory is the root of the source tree), or someone
1.90 + # ran a project-specific entry point (and this code is in _version.py,
1.91 + # thus the containing directory is somewhere deeper in the source tree).
1.92 + # This only gets called if the git-archive 'subst' variables were *not*
1.93 + # expanded, and _version.py hasn't already been rewritten with a short
1.94 + # version string, meaning we're inside a checked out source tree.
1.95 +
1.96 + try:
1.97 + here = os.path.abspath(__file__)
1.98 + except NameError:
1.99 + # some py2exe/bbfreeze/non-CPython implementations don't do __file__
1.100 + return {} # not always correct
1.101 +
1.102 + # versionfile_source is the relative path from the top of the source tree
1.103 + # (where the .git directory might live) to this file. Invert this to find
1.104 + # the root from __file__.
1.105 + root = here
1.106 + for i in range(len(versionfile_source.split("/"))):
1.107 + root = os.path.dirname(root)
1.108 + if not os.path.exists(os.path.join(root, ".git")):
1.109 + return {}
1.110 +
1.111 + GIT = "git"
1.112 + if sys.platform == "win32":
1.113 + GIT = "git.cmd"
1.114 + stdout = run_command([GIT, "describe", "--tags", "--dirty", "--always"],
1.115 + cwd=root)
1.116 + if stdout is None:
1.117 + return {}
1.118 + if not stdout.startswith(tag_prefix):
1.119 + if verbose:
1.120 + print "tag '%s' doesn't start with prefix '%s'" % (stdout, tag_prefix)
1.121 + return {}
1.122 + tag = stdout[len(tag_prefix):]
1.123 + stdout = run_command([GIT, "rev-parse", "HEAD"], cwd=root)
1.124 + if stdout is None:
1.125 + return {}
1.126 + full = stdout.strip()
1.127 + if tag.endswith("-dirty"):
1.128 + full += "-dirty"
1.129 + return {"version": tag, "full": full}
1.130 +
1.131 +
1.132 +def versions_from_parentdir(parentdir_prefix, versionfile_source, verbose=False):
1.133 + try:
1.134 + here = os.path.abspath(__file__)
1.135 + # versionfile_source is the relative path from the top of the source
1.136 + # tree (where the .git directory might live) to _version.py, when
1.137 + # this is used by the runtime. Invert this to find the root from
1.138 + # __file__.
1.139 + root = here
1.140 + for i in range(len(versionfile_source.split("/"))):
1.141 + root = os.path.dirname(root)
1.142 + except NameError:
1.143 + # try a couple different things to handle py2exe, bbfreeze, and
1.144 + # non-CPython implementations which don't do __file__. This code
1.145 + # either lives in versioneer.py (used by setup.py) or _version.py
1.146 + # (used by the runtime). In the versioneer.py case, sys.argv[0] will
1.147 + # be setup.py, in the root of the source tree. In the _version.py
1.148 + # case, we have no idea what sys.argv[0] is (some
1.149 + # application-specific runner).
1.150 + root = os.path.dirname(os.path.abspath(sys.argv[0]))
1.151 + # Source tarballs conventionally unpack into a directory that includes
1.152 + # both the project name and a version string.
1.153 + dirname = os.path.basename(root)
1.154 + if not dirname.startswith(parentdir_prefix):
1.155 + if verbose:
1.156 + print "dirname '%s' doesn't start with prefix '%s'" % (dirname, parentdir_prefix)
1.157 + return None
1.158 + return {"version": dirname[len(parentdir_prefix):], "full": ""}
1.159 +
1.160 +tag_prefix = ""
1.161 +parentdir_prefix = "addon-sdk-"
1.162 +versionfile_source = "python-lib/cuddlefish/_version.py"
1.163 +
1.164 +def get_versions():
1.165 + variables = { "refnames": git_refnames, "full": git_full }
1.166 + ver = versions_from_expanded_variables(variables, tag_prefix)
1.167 + if not ver:
1.168 + ver = versions_from_vcs(tag_prefix, versionfile_source)
1.169 + if not ver:
1.170 + ver = versions_from_parentdir(parentdir_prefix, versionfile_source)
1.171 + if not ver:
1.172 + ver = {"version": "unknown", "full": ""}
1.173 + return ver
1.174 +
