diff options
Diffstat (limited to 'darcsver-1.6.3.egg/darcsver/darcsvermodule.py')
-rw-r--r-- | darcsver-1.6.3.egg/darcsver/darcsvermodule.py | 192 |
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 new file mode 100644 index 0000000..4f03572 --- /dev/null +++ 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) |