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update version-number handling, pull release tags from darcs history
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| #! /usr/bin/python | ||
|
|
||
| """Determine the version number of the current tree. | ||
| This should be run *after* make-version.py . It will emit a single line of | ||
| text to stdout, either of the form '0.2.0' if this is a release tree (i.e. no | ||
| patches have been added since the last release tag), or '0.2.0-34' (if 34 | ||
| patches have been added since the last release tag). If the tree does not | ||
| have a well-formed version number, this will emit 'unknown'. | ||
| The version string thus calculated should exactly match the version string | ||
| determined by setup.py (when it creates eggs and source tarballs) and also | ||
| the version available in the code image when you do: | ||
| from allmydata import __version__ | ||
| """ | ||
|
|
||
| import os.path, re | ||
|
|
||
| def get_version(): | ||
| VERSIONFILE = "src/allmydata/version.py" | ||
| verstr = "unknown" | ||
| if os.path.exists(VERSIONFILE): | ||
| VSRE = re.compile("^verstr = ['\"]([^'\"]*)['\"]", re.M) | ||
| verstrline = open(VERSIONFILE, "rt").read() | ||
| mo = VSRE.search(verstrline) | ||
| if mo: | ||
| verstr = mo.group(1) | ||
| else: | ||
| raise RuntimeError("if version.py exists, it must be well-formed") | ||
|
|
||
| return verstr | ||
|
|
||
| if __name__ == '__main__': | ||
| verstr = get_version() | ||
| print verstr | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| #! /usr/bin/python | ||
|
|
||
| """ | ||
| Create src/allmydata/version.py, based upon the latest darcs release tag. | ||
| If your source tree is coming from darcs (i.e. there exists a _darcs | ||
| directory), this tool will determine the most recent release tag, count the | ||
| patches that have been applied since then, and compute a version number to be | ||
| written into version.py . This version number will be available by doing: | ||
| from allmydata import __version__ | ||
| Source trees that do not come from darcs (release tarballs, nightly tarballs) | ||
| do not have a _darcs directory. Instead, they should have a version.py that | ||
| was generated before the tarball was produced. In this case, this script will | ||
| quietly exit without modifying the existing version.py . | ||
| FYI, src/allmydata/__init__.py will attempt to import version.py and use the | ||
| version number therein. If it cannot, it will announce a version of | ||
| 'UNKNOWN'. This should only happen if someone manages to get hold of a | ||
| non-_darcs/ source tree. | ||
| 'release tags' are tags in the tahoe source tree that match the following | ||
| regexp: | ||
| ^allmydata-tahoe-\d+\.\d+\.\d+\w*$ | ||
| This excludes zfec tags (which start with 'zfec '). It also excludes | ||
| 'developer convenience tags', which look like 'hoping to fix bug -warner'. | ||
| (the original goal was to use release tags that lacked the 'allmydata-tahoe-' | ||
| prefix, but it turns out to be more efficient to keep it in, because I can't | ||
| get 'darcs changes --from-tag=' to accept real regexps). | ||
| """ | ||
|
|
||
| import os, sys, commands, re | ||
| import xml.dom.minidom | ||
|
|
||
| def get_text(nodelist): | ||
| rc = "" | ||
| for node in nodelist: | ||
| if node.nodeType == node.TEXT_NODE: | ||
| rc = rc + node.data | ||
| return rc | ||
|
|
||
| VERSION_BODY = ''' | ||
| from util.version import Version | ||
| # This is the version of this tree, as created by misc/make-version.py 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. Please see | ||
| # allmydata.util.version for a description of what the different fields mean. | ||
| verstr = "%s" | ||
| __version__ = Version(verstr) | ||
| ''' | ||
|
|
||
| def write_version_py(verstr): | ||
| f = open("src/allmydata/version.py", "wt") | ||
| f.write(VERSION_BODY % (verstr,)) | ||
| f.close() | ||
|
|
||
| def update(): | ||
| if not os.path.exists("_darcs") or not os.path.isdir("_darcs"): | ||
| if os.path.exists("src/allmydata/version.py"): | ||
| print "no _darcs/ and version.py exists, leaving it alone" | ||
| return 0 | ||
| print "no _darcs/ but no version.py either: how did you get this tree?" | ||
| return 0 | ||
| cmd = "darcs changes --from-tag=^allmydata-tahoe --xml-output" | ||
| (rc, output) = commands.getstatusoutput(cmd) | ||
| if rc != 0: | ||
| print "unable to run 'darcs changes':" | ||
| print output | ||
| print "so I'm leaving version.py alone" | ||
| return 0 | ||
|
|
||
| try: | ||
| doc = xml.dom.minidom.parseString(output) | ||
| except xml.parsers.expat.ExpatError: | ||
| print "unable to parse darcs XML output:" | ||
| print output | ||
| raise | ||
| changelog = doc.getElementsByTagName("changelog")[0] | ||
| patches = changelog.getElementsByTagName("patch") | ||
| count = 0 | ||
| version_re = re.compile("^TAG allmydata-tahoe-(\d+\.\d+\.\d+\w*)$") | ||
| 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("ascii") | ||
| break | ||
| count += 1 | ||
| else: | ||
| print "unable to find a matching tag" | ||
| print output | ||
| print "so I'm leaving version.py alone" | ||
| return 0 | ||
|
|
||
| if count: | ||
| # this is an interim version | ||
| verstr = "%s-%d" % (last_tag, count) | ||
| else: | ||
| # this is a release | ||
| verstr = last_tag | ||
|
|
||
| write_version_py(verstr) | ||
| print "wrote '%s' into src/allmydata/version.py" % (verstr,) | ||
| return 0 | ||
|
|
||
| if __name__ == '__main__': | ||
| rc = update() | ||
| sys.exit(rc) | ||
|
|
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