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#!/usr/bin/env python
from __future__ import absolute_import
import errno
import os
import re
import shlex
import subprocess
import sys
from contextlib import contextmanager
from tempfile import NamedTemporaryFile
rq = lambda s: s.strip("\"'")
def cmd(*args):
return subprocess.Popen(args, stdout=subprocess.PIPE).communicate()[0]
@contextmanager
def no_enoent():
try:
yield
except OSError as exc:
if exc.errno != errno.ENOENT:
raise
class StringVersion(object):
def decode(self, s):
s = rq(s)
text = ""
major, minor, release = s.split(".")
if not release.isdigit():
pos = release.index(re.split("\d+", release)[1][0])
release, text = release[:pos], release[pos:]
return int(major), int(minor), int(release), text
def encode(self, v):
return ".".join(map(str, v[:3])) + v[3]
to_str = StringVersion().encode
from_str = StringVersion().decode
class TupleVersion(object):
def decode(self, s):
v = list(map(rq, s.split(", ")))
return (tuple(map(int, v[0:3])) +
tuple(["".join(v[3:])]))
def encode(self, v):
v = list(v)
def quote(lit):
if isinstance(lit, basestring):
return '"{0}"'.format(lit)
return str(lit)
if not v[-1]:
v.pop()
return ", ".join(map(quote, v))
class VersionFile(object):
def __init__(self, filename):
self.filename = filename
self._kept = None
def _as_orig(self, version):
return self.wb.format(version=self.type.encode(version),
kept=self._kept)
def write(self, version):
pattern = self.regex
with no_enoent():
with NamedTemporaryFile() as dest:
with open(self.filename) as orig:
for line in orig:
if pattern.match(line):
dest.write(self._as_orig(version))
else:
dest.write(line)
os.rename(dest.name, self.filename)
def parse(self):
pattern = self.regex
gpos = 0
with open(self.filename) as fh:
for line in fh:
m = pattern.match(line)
if m:
if "?P<keep>" in pattern.pattern:
self._kept, gpos = m.groupdict()["keep"], 1
return self.type.decode(m.groups()[gpos])
class PyVersion(VersionFile):
regex = re.compile(r'^VERSION\s*=\s*\((.+?)\)')
wb = "VERSION = ({version})\n"
type = TupleVersion()
class SphinxVersion(VersionFile):
regex = re.compile(r'^:[Vv]ersion:\s*(.+?)$')
wb = ':Version: {version}\n'
type = StringVersion()
class CPPVersion(VersionFile):
regex = re.compile(r'^\#\s*define\s*(?P<keep>\w*)VERSION\s+(.+)')
wb = '#define {kept}VERSION "{version}"\n'
type = StringVersion()
_filetype_to_type = {"py": PyVersion,
"rst": SphinxVersion,
"txt": SphinxVersion,
"c": CPPVersion,
"h": CPPVersion}
def filetype_to_type(filename):
_, _, suffix = filename.rpartition(".")
return _filetype_to_type[suffix](filename)
def bump(*files, **kwargs):
version = kwargs.get("version")
before_commit = kwargs.get("before_commit")
files = [filetype_to_type(f) for f in files]
versions = [v.parse() for v in files]
current = list(reversed(sorted(versions)))[0] # find highest
current = current.split()[0] # only first sentence
if version:
next = from_str(version)
else:
major, minor, release, text = current
if text:
raise Exception("Can't bump alpha releases")
next = (major, minor, release + 1, text)
print("Bump version from {0} -> {1}".format(to_str(current), to_str(next)))
for v in files:
print(" writing {0.filename!r}...".format(v))
v.write(next)
if before_commit:
cmd(*shlex.split(before_commit))
print(cmd("git", "commit", "-m", "Bumps version to {0}".format(
to_str(next)), *[f.filename for f in files]))
print(cmd("git", "tag", "v{0}".format(to_str(next))))
def main(argv=sys.argv, version=None, before_commit=None):
if not len(argv) > 1:
print("Usage: distdir [docfile] -- <custom version>")
sys.exit(0)
args = []
for arg in argv:
if arg.startswith("--before-commit="):
_, before_commit = arg.split('=')
else:
args.append(arg)
if "--" in args:
c = args.index('--')
version = args[c + 1]
argv = args[:c]
bump(*args[1:], version=version, before_commit=before_commit)
if __name__ == "__main__":
main()
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