tests/svnxml.py
author Olle Lundberg <geek@nerd.sh>
Wed, 26 Mar 2014 11:59:13 +0100
changeset 20831 864c56cb8945
parent 16512 c58bdecdb800
child 28947 812eb3b7dc43
permissions -rw-r--r--
contrib: don't hardcode path to bash interpreter Use the env binary to figure out the correct bash to use. Certain systems ships with an ancient version of bash, but the user might have installed a newer one that is earlier in $PATH. For example the current version of Mac OS X ships version 3.2.51 of bash, which does not understand new fancy builtins such as readarray. A user might install a newer version of bash, use that as their shell and add that path before bin.
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# Read the output of a "svn log --xml" command on stdin, parse it and
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# print a subset of attributes common to all svn versions tested by
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# hg.
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import xml.dom.minidom, sys
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def xmltext(e):
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    return ''.join(c.data for c
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                   in e.childNodes
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                   if c.nodeType == c.TEXT_NODE)
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def parseentry(entry):
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    e = {}
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    e['revision'] = entry.getAttribute('revision')
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    e['author'] = xmltext(entry.getElementsByTagName('author')[0])
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    e['msg'] = xmltext(entry.getElementsByTagName('msg')[0])
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    e['paths'] = []
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    paths = entry.getElementsByTagName('paths')
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    if paths:
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        paths = paths[0]
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        for p in paths.getElementsByTagName('path'):
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            action = p.getAttribute('action')
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            path = xmltext(p)
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            frompath = p.getAttribute('copyfrom-path')
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            fromrev = p.getAttribute('copyfrom-rev')
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            e['paths'].append((path, action, frompath, fromrev))
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    return e
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def parselog(data):
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    entries = []
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    doc = xml.dom.minidom.parseString(data)
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    for e in doc.getElementsByTagName('logentry'):
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        entries.append(parseentry(e))
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    return entries
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def printentries(entries):
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    fp = sys.stdout
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    for e in entries:
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        for k in ('revision', 'author', 'msg'):
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            fp.write(('%s: %s\n' % (k, e[k])).encode('utf-8'))
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        for path, action, fpath, frev in sorted(e['paths']):
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            frominfo = ''
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            if frev:
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                frominfo = ' (from %s@%s)' % (fpath, frev)
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            p = ' %s %s%s\n' % (action, path, frominfo)
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            fp.write(p.encode('utf-8'))
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if __name__ == '__main__':
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    data = sys.stdin.read()
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    entries = parselog(data)
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    printentries(entries)
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