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-rw-r--r--darcsver-1.6.3.egg/darcsver/darcsvermodule.py192
1 files changed, 192 insertions, 0 deletions
diff --git a/darcsver-1.6.3.egg/darcsver/darcsvermodule.py b/darcsver-1.6.3.egg/darcsver/darcsvermodule.py
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index 0000000..4f03572
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+++ b/darcsver-1.6.3.egg/darcsver/darcsvermodule.py
@@ -0,0 +1,192 @@
+import os, string, sys, re
+import xml.dom.minidom
+import subprocess
+PIPE=subprocess.PIPE
+from distutils import log
+
+def all(iterable):
+ for thing in iterable:
+ if not thing:
+ return False
+ return True
+
+OUR_VERSION_BASE_RE_STR="(\d+)(\.(\d+)(\.(\d+))?)?((a|b|c)(\d+))?(\.dev(\d+))?"
+try:
+ # If we can import pyutil.version_class then use its regex.
+ from pyutil import version_class
+ VERSION_BASE_RE_STR = version_class.VERSION_BASE_RE_STR
+except (ImportError, AttributeError):
+ # Else (perhaps a bootstrapping problem),then we'll use this
+ # regex, which was copied from the pyutil source code on
+ # 2010-09-02.
+ VERSION_BASE_RE_STR=OUR_VERSION_BASE_RE_STR
+
+def get_text(nodelist):
+ rc = ""
+ for node in nodelist:
+ if node.nodeType == node.TEXT_NODE:
+ rc = rc + node.data
+ return rc
+
+VERSION_BODY = '''
+# This is the version of this tree, as created by %(versiontool)s from the darcs patch
+# information: the main version number is taken from the most recent release
+# tag. If some patches have been added since the last release, this will have a
+# -NN "build number" suffix, or else a -rNN "revision number" suffix. Please see
+# pyutil.version_class for a description of what the different fields mean.
+
+__pkgname__ = "%(pkgname)s"
+verstr = "%(pkgversion)s"
+try:
+ from pyutil.version_class import Version as pyutil_Version
+ __version__ = pyutil_Version(verstr)
+except (ImportError, ValueError):
+ # Maybe there is no pyutil installed.
+ from distutils.version import LooseVersion as distutils_Version
+ __version__ = distutils_Version(verstr)
+'''
+
+def write_version_py(verstr, outfname, EXE_NAME, version_body, pkgname):
+ f = open(outfname, "wt+")
+ f.write(version_body % {
+ 'versiontool': EXE_NAME,
+ 'pkgversion': verstr,
+ 'pkgname': pkgname,
+ })
+ f.close()
+
+def read_version_py(infname):
+ try:
+ verstrline = open(infname, "rt").read()
+ except EnvironmentError:
+ return None
+ else:
+ VSRE = r"^verstr = ['\"]([^'\"]*)['\"]"
+ mo = re.search(VSRE, verstrline, re.M)
+ if mo:
+ return mo.group(1)
+
+def update(pkgname, verfilename, revision_number=False, loud=False, abort_if_snapshot=False, EXE_NAME="darcsver", version_body=VERSION_BODY):
+ """
+ @param revision_number If true, count the total number of patches in all
+ history. If false, count the total number of patches since the most recent
+ release tag.
+
+ Returns a tuple of (exit code, new version string).
+ """
+ if isinstance(verfilename, basestring):
+ verfilenames = [verfilename]
+ else:
+ verfilenames = verfilename
+ if isinstance(version_body, basestring):
+ verbodies = [version_body]
+ else:
+ verbodies = version_body
+ rc = -1
+
+ # First we try "darcs query repo" because if that fails then we
+ # won't try "darcs changes" at all, because "darcs changes" emits
+ # an ugly error message when run in not-a-repo.
+ try:
+ p = subprocess.Popen(["darcs", 'query', 'repo'], stdout=PIPE, stderr=PIPE, universal_newlines=True)
+ except OSError, ose:
+ if ose.errno == 2 and '~' in os.environ['PATH']:
+ expanded_path = os.environ['PATH'].replace('~', os.path.expanduser('~'))
+ msg = ("WARNING: 'darcs' was not found. However '~' was found in your PATH. \n"
+ "Please note that bugs in python cause it to fail to traverse '~' in \n"
+ "the user's PATH. Please fix your path, e.g. \nPATH=%s" )
+ log.warn(msg % (expanded_path,))
+ pass
+ else:
+ (output, errput) = p.communicate()
+ rc = p.returncode
+
+ if rc == 0:
+ cmd = ["changes", "--xml-output"]
+ if not revision_number:
+ cmd.append("--from-tag=^%s" % (pkgname,))
+ errput = None
+ try:
+ p = subprocess.Popen(["darcs"] + cmd, stdout=PIPE, stderr=PIPE, universal_newlines=True)
+ except OSError:
+ pass
+ else:
+ (output, errput) = p.communicate()
+ rc = p.returncode
+ if rc != 0 and errput:
+ log.info("%s: darcs wrote to stderr: '%s'" % (EXE_NAME, errput,))
+ else:
+ if all([os.path.exists(vfn) for vfn in verfilenames]):
+ log.info("%s: using extant version file %s" % (EXE_NAME, verfilenames))
+ return (0, read_version_py(verfilenames[0]))
+ else:
+ log.warn("%s: didn't find version tags with darcs, and %s don't exist." % (EXE_NAME, verfilenames))
+ return (rc, None)
+
+ # Filter out bad chars that can cause the XML parser to give up in despair.
+ # (Thanks to lelit of the tailor project and ndurner and warner for this hack.)
+ allbadchars = "".join([chr(i) for i in range(0x0a) + [0x0b, 0x0c] + range(0x0e, 0x20) + range(0x7f,0x100)])
+ tt = string.maketrans(allbadchars, "-"*len(allbadchars))
+ output = output.translate(tt)
+
+ # strip off trailing warning messages that darcs 2.3.1 writes to stdout
+ endi = output.find("</changelog>")+len("</changelog>")
+ output = output[:endi]
+ doc = xml.dom.minidom.parseString(output)
+
+ changelog = doc.getElementsByTagName("changelog")[0]
+ patches = changelog.getElementsByTagName("patch")
+ regexstr = "^TAG %s-(%s)$" % (pkgname, VERSION_BASE_RE_STR)
+ version_re = re.compile(regexstr)
+ last_tag = None
+ count_since_last_patch = 0
+ if abort_if_snapshot:
+ for patch in patches:
+ name = get_text(patch.getElementsByTagName("name")[0].childNodes)
+ m = version_re.match(name)
+ if m:
+ last_tag = m.group(1)
+ last_tag = last_tag.encode("utf-8")
+ break
+ else:
+ sys.exit(0) # because abort_if_snapshot
+ else:
+ for patch in patches:
+ name = get_text(patch.getElementsByTagName("name")[0].childNodes)
+ m = version_re.match(name)
+ if m:
+ last_tag = m.group(1)
+ last_tag = last_tag.encode("utf-8")
+ break
+ else:
+ count_since_last_patch += 1
+
+ if not last_tag:
+ if errput:
+ log.info("%s: darcs wrote to stderr: '%s'" % (EXE_NAME, errput,))
+ if all([os.path.exists(vfn) for vfn in verfilenames]):
+ log.warn("%s: I'm unable to find a tag in the darcs history matching \"%s\", so I'm leaving %s alone." % (EXE_NAME, regexstr, verfilenames,))
+ return (0, read_version_py(verfilenames[0]))
+ else:
+ log.warn("%s: I'm unable to find a tag in the darcs history matching \"%s\", and %s don't exist." % (EXE_NAME, regexstr, verfilenames,))
+ return (0, None)
+
+ if revision_number:
+ if count_since_last_patch:
+ # this is an interim version
+ verstr = "%s-r%d" % (last_tag, len(patches))
+ else:
+ # this is a release
+ verstr = last_tag
+ else:
+ if count_since_last_patch:
+ # this is an interim version
+ verstr = "%s-%d" % (last_tag, count_since_last_patch)
+ else:
+ # this is a release
+ verstr = last_tag
+
+ for verfn, verbod in zip(verfilenames, verbodies):
+ write_version_py(verstr, verfn, EXE_NAME, verbod, pkgname)
+ log.info("%s: wrote '%s' into %s" % (EXE_NAME, verstr, verfn,))
+ return (0, verstr)