521 lines
18 KiB
Python
521 lines
18 KiB
Python
|
|
# 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-0.18 (https://github.com/warner/python-versioneer)
|
|
|
|
"""Git implementation of _version.py."""
|
|
|
|
import errno
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
|
|
|
|
def get_keywords():
|
|
"""Get the keywords needed to look up the version information."""
|
|
# 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 = "$Format:%H$"
|
|
git_date = "$Format:%ci$"
|
|
keywords = {"refnames": git_refnames, "full": git_full, "date": git_date}
|
|
return keywords
|
|
|
|
|
|
class VersioneerConfig:
|
|
"""Container for Versioneer configuration parameters."""
|
|
|
|
|
|
def get_config():
|
|
"""Create, populate and return the VersioneerConfig() object."""
|
|
# these strings are filled in when 'setup.py versioneer' creates
|
|
# _version.py
|
|
cfg = VersioneerConfig()
|
|
cfg.VCS = "git"
|
|
cfg.style = "pep440"
|
|
cfg.tag_prefix = "v"
|
|
cfg.parentdir_prefix = "None"
|
|
cfg.versionfile_source = "dr_botzo/_version.py"
|
|
cfg.verbose = False
|
|
return cfg
|
|
|
|
|
|
class NotThisMethod(Exception):
|
|
"""Exception raised if a method is not valid for the current scenario."""
|
|
|
|
|
|
LONG_VERSION_PY = {}
|
|
HANDLERS = {}
|
|
|
|
|
|
def register_vcs_handler(vcs, method): # decorator
|
|
"""Decorator to mark a method as the handler for a particular VCS."""
|
|
def decorate(f):
|
|
"""Store f in HANDLERS[vcs][method]."""
|
|
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,
|
|
env=None):
|
|
"""Call the given command(s)."""
|
|
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, env=env,
|
|
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, None
|
|
else:
|
|
if verbose:
|
|
print("unable to find command, tried %s" % (commands,))
|
|
return None, 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)
|
|
print("stdout was %s" % stdout)
|
|
return None, p.returncode
|
|
return stdout, p.returncode
|
|
|
|
|
|
def versions_from_parentdir(parentdir_prefix, root, verbose):
|
|
"""Try to determine the version from the parent directory name.
|
|
|
|
Source tarballs conventionally unpack into a directory that includes both
|
|
the project name and a version string. We will also support searching up
|
|
two directory levels for an appropriately named parent directory
|
|
"""
|
|
rootdirs = []
|
|
|
|
for i in range(3):
|
|
dirname = os.path.basename(root)
|
|
if dirname.startswith(parentdir_prefix):
|
|
return {"version": dirname[len(parentdir_prefix):],
|
|
"full-revisionid": None,
|
|
"dirty": False, "error": None, "date": None}
|
|
else:
|
|
rootdirs.append(root)
|
|
root = os.path.dirname(root) # up a level
|
|
|
|
if verbose:
|
|
print("Tried directories %s but none started with prefix %s" %
|
|
(str(rootdirs), parentdir_prefix))
|
|
raise NotThisMethod("rootdir doesn't start with parentdir_prefix")
|
|
|
|
|
|
@register_vcs_handler("git", "get_keywords")
|
|
def git_get_keywords(versionfile_abs):
|
|
"""Extract version information from the given file."""
|
|
# 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)
|
|
if line.strip().startswith("git_date ="):
|
|
mo = re.search(r'=\s*"(.*)"', line)
|
|
if mo:
|
|
keywords["date"] = mo.group(1)
|
|
f.close()
|
|
except EnvironmentError:
|
|
pass
|
|
return keywords
|
|
|
|
|
|
@register_vcs_handler("git", "keywords")
|
|
def git_versions_from_keywords(keywords, tag_prefix, verbose):
|
|
"""Get version information from git keywords."""
|
|
if not keywords:
|
|
raise NotThisMethod("no keywords at all, weird")
|
|
date = keywords.get("date")
|
|
if date is not None:
|
|
# git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant
|
|
# datestamp. However we prefer "%ci" (which expands to an "ISO-8601
|
|
# -like" string, which we must then edit to make compliant), because
|
|
# it's been around since git-1.5.3, and it's too difficult to
|
|
# discover which version we're using, or to work around using an
|
|
# older one.
|
|
date = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
|
|
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,
|
|
"date": date}
|
|
# 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", "date": None}
|
|
|
|
|
|
@register_vcs_handler("git", "pieces_from_vcs")
|
|
def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
|
|
"""Get version from 'git describe' in 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.
|
|
"""
|
|
GITS = ["git"]
|
|
if sys.platform == "win32":
|
|
GITS = ["git.cmd", "git.exe"]
|
|
|
|
out, rc = run_command(GITS, ["rev-parse", "--git-dir"], cwd=root,
|
|
hide_stderr=True)
|
|
if rc != 0:
|
|
if verbose:
|
|
print("Directory %s not under git control" % root)
|
|
raise NotThisMethod("'git rev-parse --git-dir' returned error")
|
|
|
|
# if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
|
|
# if there isn't one, this yields HEX[-dirty] (no NUM)
|
|
describe_out, rc = run_command(GITS, ["describe", "--tags", "--dirty",
|
|
"--always", "--long",
|
|
"--match", "%s*" % tag_prefix],
|
|
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, rc = 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, rc = run_command(GITS, ["rev-list", "HEAD", "--count"],
|
|
cwd=root)
|
|
pieces["distance"] = int(count_out) # total number of commits
|
|
|
|
# commit date: see ISO-8601 comment in git_versions_from_keywords()
|
|
date = run_command(GITS, ["show", "-s", "--format=%ci", "HEAD"],
|
|
cwd=root)[0].strip()
|
|
pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
|
|
|
|
return pieces
|
|
|
|
|
|
def plus_or_dot(pieces):
|
|
"""Return a + if we don't already have one, else return a ."""
|
|
if "+" in pieces.get("closest-tag", ""):
|
|
return "."
|
|
return "+"
|
|
|
|
|
|
def render_pep440(pieces):
|
|
"""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.
|
|
|
|
Eexceptions:
|
|
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):
|
|
"""Render the given version pieces into the requested style."""
|
|
if pieces["error"]:
|
|
return {"version": "unknown",
|
|
"full-revisionid": pieces.get("long"),
|
|
"dirty": None,
|
|
"error": pieces["error"],
|
|
"date": None}
|
|
|
|
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,
|
|
"date": pieces.get("date")}
|
|
|
|
|
|
def get_versions():
|
|
"""Get version information or return default if unable to do so."""
|
|
# 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",
|
|
"date": None}
|
|
|
|
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", "date": None}
|