tests/svnxml.py
author Gregory Szorc <gregory.szorc@gmail.com>
Wed, 23 Jan 2019 16:22:54 -0800
changeset 41326 7c54357be2ae
parent 40216 c17d73bf6a4d
child 43076 2372284d9457
permissions -rw-r--r--
tests: normalize XML values to bytes This fixes some type mismatches. The encoding shouldn't matter for what this script is used for. UTF-8 seems reasonable, especially since I'm pretty sure SVN will emit UTF-8 encoded XML. Differential Revision: https://phab.mercurial-scm.org/D5665
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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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from __future__ import absolute_import
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import sys
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import xml.dom.minidom
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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').encode('utf-8')
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            path = xmltext(p).encode('utf-8')
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            frompath = p.getAttribute('copyfrom-path').encode('utf-8')
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            fromrev = p.getAttribute('copyfrom-rev').encode('utf-8')
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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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    try:
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        fp = sys.stdout.buffer
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    except AttributeError:
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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 = b''
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            if frev:
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                frominfo = b' (from %s@%s)' % (fpath, frev)
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            p = b' %s %s%s\n' % (action, path, frominfo)
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            fp.write(p)
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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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