--- /dev/null
+
+# This file helps to compute a version number in source trees obtained from
+# git-archive tarball (such as those provided by githubs download-from-tag
+# feature). Distribution tarballs (built by setup.py sdist) and build
+# directories (produced by setup.py build) will contain a much shorter file
+# that just contains the computed version number.
+
+# This file is released into the public domain. Generated by
+# versioneer-0.15 (https://github.com/warner/python-versioneer)
+
+import errno
+import os
+import re
+import subprocess
+import sys
+
+
+def get_keywords():
+ # these strings will be replaced by git during git-archive.
+ # setup.py/versioneer.py will grep for the variable names, so they must
+ # each be defined on a line of their own. _version.py will just call
+ # get_keywords().
+ git_refnames = "$Format:%d$"
+ git_full = "$Format:%H$"
+ keywords = {"refnames": git_refnames, "full": git_full}
+ return keywords
+
+
+class VersioneerConfig:
+ pass
+
+
+def get_config():
+ # these strings are filled in when 'setup.py versioneer' creates
+ # _version.py
+ cfg = VersioneerConfig()
+ cfg.VCS = "git"
+ cfg.style = "pep440"
+ cfg.tag_prefix = "zfec-"
+ cfg.parentdir_prefix = "zfec-"
+ cfg.versionfile_source = "zfec/_version.py"
+ cfg.verbose = False
+ return cfg
+
+
+class NotThisMethod(Exception):
+ pass
+
+
+LONG_VERSION_PY = {}
+HANDLERS = {}
+
+
+def register_vcs_handler(vcs, method): # decorator
+ def decorate(f):
+ if vcs not in HANDLERS:
+ HANDLERS[vcs] = {}
+ HANDLERS[vcs][method] = f
+ return f
+ return decorate
+
+
+def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False):
+ assert isinstance(commands, list)
+ p = None
+ for c in commands:
+ try:
+ dispcmd = str([c] + args)
+ # remember shell=False, so use git.cmd on windows, not just git
+ p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE,
+ stderr=(subprocess.PIPE if hide_stderr
+ else None))
+ break
+ except EnvironmentError:
+ e = sys.exc_info()[1]
+ if e.errno == errno.ENOENT:
+ continue
+ if verbose:
+ print("unable to run %s" % dispcmd)
+ print(e)
+ return None
+ else:
+ if verbose:
+ print("unable to find command, tried %s" % (commands,))
+ return None
+ stdout = p.communicate()[0].strip()
+ if sys.version_info[0] >= 3:
+ stdout = stdout.decode()
+ if p.returncode != 0:
+ if verbose:
+ print("unable to run %s (error)" % dispcmd)
+ return None
+ return stdout
+
+
+def versions_from_parentdir(parentdir_prefix, root, verbose):
+ # Source tarballs conventionally unpack into a directory that includes
+ # both the project name and a version string.
+ dirname = os.path.basename(root)
+ if not dirname.startswith(parentdir_prefix):
+ if verbose:
+ print("guessing rootdir is '%s', but '%s' doesn't start with "
+ "prefix '%s'" % (root, dirname, parentdir_prefix))
+ raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
+ return {"version": dirname[len(parentdir_prefix):],
+ "full-revisionid": None,
+ "dirty": False, "error": None}
+
+
+@register_vcs_handler("git", "get_keywords")
+def git_get_keywords(versionfile_abs):
+ # the code embedded in _version.py can just fetch the value of these
+ # keywords. When used from setup.py, we don't want to import _version.py,
+ # so we do it with a regexp instead. This function is not used from
+ # _version.py.
+ keywords = {}
+ try:
+ f = open(versionfile_abs, "r")
+ for line in f.readlines():
+ if line.strip().startswith("git_refnames ="):
+ mo = re.search(r'=\s*"(.*)"', line)
+ if mo:
+ keywords["refnames"] = mo.group(1)
+ if line.strip().startswith("git_full ="):
+ mo = re.search(r'=\s*"(.*)"', line)
+ if mo:
+ keywords["full"] = mo.group(1)
+ f.close()
+ except EnvironmentError:
+ pass
+ return keywords
+
+
+@register_vcs_handler("git", "keywords")
+def git_versions_from_keywords(keywords, tag_prefix, verbose):
+ if not keywords:
+ raise NotThisMethod("no keywords at all, weird")
+ refnames = keywords["refnames"].strip()
+ if refnames.startswith("$Format"):
+ if verbose:
+ print("keywords are unexpanded, not using")
+ raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
+ refs = set([r.strip() for r in refnames.strip("()").split(",")])
+ # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
+ # just "foo-1.0". If we see a "tag: " prefix, prefer those.
+ TAG = "tag: "
+ tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)])
+ if not tags:
+ # Either we're using git < 1.8.3, or there really are no tags. We use
+ # a heuristic: assume all version tags have a digit. The old git %d
+ # expansion behaves like git log --decorate=short and strips out the
+ # refs/heads/ and refs/tags/ prefixes that would let us distinguish
+ # between branches and tags. By ignoring refnames without digits, we
+ # filter out many common branch names like "release" and
+ # "stabilization", as well as "HEAD" and "master".
+ tags = set([r for r in refs if re.search(r'\d', r)])
+ if verbose:
+ print("discarding '%s', no digits" % ",".join(refs-tags))
+ if verbose:
+ print("likely tags: %s" % ",".join(sorted(tags)))
+ for ref in sorted(tags):
+ # sorting will prefer e.g. "2.0" over "2.0rc1"
+ if ref.startswith(tag_prefix):
+ r = ref[len(tag_prefix):]
+ if verbose:
+ print("picking %s" % r)
+ return {"version": r,
+ "full-revisionid": keywords["full"].strip(),
+ "dirty": False, "error": None
+ }
+ # no suitable tags, so version is "0+unknown", but full hex is still there
+ if verbose:
+ print("no suitable tags, using unknown + full revision id")
+ return {"version": "0+unknown",
+ "full-revisionid": keywords["full"].strip(),
+ "dirty": False, "error": "no suitable tags"}
+
+
+@register_vcs_handler("git", "pieces_from_vcs")
+def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
+ # this runs 'git' from the root of the source tree. This only gets called
+ # if the git-archive 'subst' keywords were *not* expanded, and
+ # _version.py hasn't already been rewritten with a short version string,
+ # meaning we're inside a checked out source tree.
+
+ if not os.path.exists(os.path.join(root, ".git")):
+ if verbose:
+ print("no .git in %s" % root)
+ raise NotThisMethod("no .git directory")
+
+ GITS = ["git"]
+ if sys.platform == "win32":
+ GITS = ["git.cmd", "git.exe"]
+ # if there is a tag, this yields TAG-NUM-gHEX[-dirty]
+ # if there are no tags, this yields HEX[-dirty] (no NUM)
+ describe_out = run_command(GITS, ["describe", "--tags", "--dirty",
+ "--always", "--long"],
+ cwd=root)
+ # --long was added in git-1.5.5
+ if describe_out is None:
+ raise NotThisMethod("'git describe' failed")
+ describe_out = describe_out.strip()
+ full_out = run_command(GITS, ["rev-parse", "HEAD"], cwd=root)
+ if full_out is None:
+ raise NotThisMethod("'git rev-parse' failed")
+ full_out = full_out.strip()
+
+ pieces = {}
+ pieces["long"] = full_out
+ pieces["short"] = full_out[:7] # maybe improved later
+ pieces["error"] = None
+
+ # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty]
+ # TAG might have hyphens.
+ git_describe = describe_out
+
+ # look for -dirty suffix
+ dirty = git_describe.endswith("-dirty")
+ pieces["dirty"] = dirty
+ if dirty:
+ git_describe = git_describe[:git_describe.rindex("-dirty")]
+
+ # now we have TAG-NUM-gHEX or HEX
+
+ if "-" in git_describe:
+ # TAG-NUM-gHEX
+ mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe)
+ if not mo:
+ # unparseable. Maybe git-describe is misbehaving?
+ pieces["error"] = ("unable to parse git-describe output: '%s'"
+ % describe_out)
+ return pieces
+
+ # tag
+ full_tag = mo.group(1)
+ if not full_tag.startswith(tag_prefix):
+ if verbose:
+ fmt = "tag '%s' doesn't start with prefix '%s'"
+ print(fmt % (full_tag, tag_prefix))
+ pieces["error"] = ("tag '%s' doesn't start with prefix '%s'"
+ % (full_tag, tag_prefix))
+ return pieces
+ pieces["closest-tag"] = full_tag[len(tag_prefix):]
+
+ # distance: number of commits since tag
+ pieces["distance"] = int(mo.group(2))
+
+ # commit: short hex revision ID
+ pieces["short"] = mo.group(3)
+
+ else:
+ # HEX: no tags
+ pieces["closest-tag"] = None
+ count_out = run_command(GITS, ["rev-list", "HEAD", "--count"],
+ cwd=root)
+ pieces["distance"] = int(count_out) # total number of commits
+
+ return pieces
+
+
+def plus_or_dot(pieces):
+ if "+" in pieces.get("closest-tag", ""):
+ return "."
+ return "+"
+
+
+def render_pep440(pieces):
+ # now build up version string, with post-release "local version
+ # identifier". Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you
+ # get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty
+
+ # exceptions:
+ # 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty]
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ if pieces["distance"] or pieces["dirty"]:
+ rendered += plus_or_dot(pieces)
+ rendered += "%d.g%s" % (pieces["distance"], pieces["short"])
+ if pieces["dirty"]:
+ rendered += ".dirty"
+ else:
+ # exception #1
+ rendered = "0+untagged.%d.g%s" % (pieces["distance"],
+ pieces["short"])
+ if pieces["dirty"]:
+ rendered += ".dirty"
+ return rendered
+
+
+def render_pep440_pre(pieces):
+ # TAG[.post.devDISTANCE] . No -dirty
+
+ # exceptions:
+ # 1: no tags. 0.post.devDISTANCE
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ if pieces["distance"]:
+ rendered += ".post.dev%d" % pieces["distance"]
+ else:
+ # exception #1
+ rendered = "0.post.dev%d" % pieces["distance"]
+ return rendered
+
+
+def render_pep440_post(pieces):
+ # TAG[.postDISTANCE[.dev0]+gHEX] . The ".dev0" means dirty. Note that
+ # .dev0 sorts backwards (a dirty tree will appear "older" than the
+ # corresponding clean one), but you shouldn't be releasing software with
+ # -dirty anyways.
+
+ # exceptions:
+ # 1: no tags. 0.postDISTANCE[.dev0]
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ if pieces["distance"] or pieces["dirty"]:
+ rendered += ".post%d" % pieces["distance"]
+ if pieces["dirty"]:
+ rendered += ".dev0"
+ rendered += plus_or_dot(pieces)
+ rendered += "g%s" % pieces["short"]
+ else:
+ # exception #1
+ rendered = "0.post%d" % pieces["distance"]
+ if pieces["dirty"]:
+ rendered += ".dev0"
+ rendered += "+g%s" % pieces["short"]
+ return rendered
+
+
+def render_pep440_old(pieces):
+ # TAG[.postDISTANCE[.dev0]] . The ".dev0" means dirty.
+
+ # exceptions:
+ # 1: no tags. 0.postDISTANCE[.dev0]
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ if pieces["distance"] or pieces["dirty"]:
+ rendered += ".post%d" % pieces["distance"]
+ if pieces["dirty"]:
+ rendered += ".dev0"
+ else:
+ # exception #1
+ rendered = "0.post%d" % pieces["distance"]
+ if pieces["dirty"]:
+ rendered += ".dev0"
+ return rendered
+
+
+def render_git_describe(pieces):
+ # TAG[-DISTANCE-gHEX][-dirty], like 'git describe --tags --dirty
+ # --always'
+
+ # exceptions:
+ # 1: no tags. HEX[-dirty] (note: no 'g' prefix)
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ if pieces["distance"]:
+ rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
+ else:
+ # exception #1
+ rendered = pieces["short"]
+ if pieces["dirty"]:
+ rendered += "-dirty"
+ return rendered
+
+
+def render_git_describe_long(pieces):
+ # TAG-DISTANCE-gHEX[-dirty], like 'git describe --tags --dirty
+ # --always -long'. The distance/hash is unconditional.
+
+ # exceptions:
+ # 1: no tags. HEX[-dirty] (note: no 'g' prefix)
+
+ if pieces["closest-tag"]:
+ rendered = pieces["closest-tag"]
+ rendered += "-%d-g%s" % (pieces["distance"], pieces["short"])
+ else:
+ # exception #1
+ rendered = pieces["short"]
+ if pieces["dirty"]:
+ rendered += "-dirty"
+ return rendered
+
+
+def render(pieces, style):
+ if pieces["error"]:
+ return {"version": "unknown",
+ "full-revisionid": pieces.get("long"),
+ "dirty": None,
+ "error": pieces["error"]}
+
+ if not style or style == "default":
+ style = "pep440" # the default
+
+ if style == "pep440":
+ rendered = render_pep440(pieces)
+ elif style == "pep440-pre":
+ rendered = render_pep440_pre(pieces)
+ elif style == "pep440-post":
+ rendered = render_pep440_post(pieces)
+ elif style == "pep440-old":
+ rendered = render_pep440_old(pieces)
+ elif style == "git-describe":
+ rendered = render_git_describe(pieces)
+ elif style == "git-describe-long":
+ rendered = render_git_describe_long(pieces)
+ else:
+ raise ValueError("unknown style '%s'" % style)
+
+ return {"version": rendered, "full-revisionid": pieces["long"],
+ "dirty": pieces["dirty"], "error": None}
+
+
+def get_versions():
+ # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have
+ # __file__, we can work backwards from there to the root. Some
+ # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which
+ # case we can only use expanded keywords.
+
+ cfg = get_config()
+ verbose = cfg.verbose
+
+ try:
+ return git_versions_from_keywords(get_keywords(), cfg.tag_prefix,
+ verbose)
+ except NotThisMethod:
+ pass
+
+ try:
+ root = os.path.realpath(__file__)
+ # versionfile_source is the relative path from the top of the source
+ # tree (where the .git directory might live) to this file. Invert
+ # this to find the root from __file__.
+ for i in cfg.versionfile_source.split('/'):
+ root = os.path.dirname(root)
+ except NameError:
+ return {"version": "0+unknown", "full-revisionid": None,
+ "dirty": None,
+ "error": "unable to find root of source tree"}
+
+ try:
+ pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
+ return render(pieces, cfg.style)
+ except NotThisMethod:
+ pass
+
+ try:
+ if cfg.parentdir_prefix:
+ return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)
+ except NotThisMethod:
+ pass
+
+ return {"version": "0+unknown", "full-revisionid": None,
+ "dirty": None,
+ "error": "unable to compute version"}
projects / tahoe-lafs / zfec.git / blobdiff