tests/svnxml.py
author Yuya Nishihara <yuya@tcha.org>
Sat, 15 Sep 2018 16:35:39 +0900
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permissions -rw-r--r--
phabricator: add testedwith boilerplate
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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')
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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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