1 # Read the output of a "svn log --xml" command on stdin, parse it and

     2 # print a subset of attributes common to all svn versions tested by

     3 # hg.

     4 import xml.dom.minidom, sys

     5 

     6 def xmltext(e):

     7     return ''.join(c.data for c

     8                    in e.childNodes

     9                    if c.nodeType == c.TEXT_NODE)

    10 

    11 def parseentry(entry):

    12     e = {}

    13     e['revision'] = entry.getAttribute('revision')

    14     e['author'] = xmltext(entry.getElementsByTagName('author')[0])

    15     e['msg'] = xmltext(entry.getElementsByTagName('msg')[0])

    16     e['paths'] = []

    17     paths = entry.getElementsByTagName('paths')

    18     if paths:

    19         paths = paths[0]

    20         for p in paths.getElementsByTagName('path'):

    21             action = p.getAttribute('action')

    22             path = xmltext(p)

    23             frompath = p.getAttribute('copyfrom-path')

    24             fromrev = p.getAttribute('copyfrom-rev')

    25             e['paths'].append((path, action, frompath, fromrev))

    26     return e

    27 

    28 def parselog(data):

    29     entries = []

    30     doc = xml.dom.minidom.parseString(data)

    31     for e in doc.getElementsByTagName('logentry'):

    32         entries.append(parseentry(e))

    33     return entries

    34 

    35 def printentries(entries):

    36     fp = sys.stdout

    37     for e in entries:

    38         for k in ('revision', 'author', 'msg'):

    39             fp.write(('%s: %s\n' % (k, e[k])).encode('utf-8'))

    40         for path, action, fpath, frev in sorted(e['paths']):

    41             frominfo = ''

    42             if frev:

    43                 frominfo = ' (from %s@%s)' % (fpath, frev)

    44             p = ' %s %s%s\n' % (action, path, frominfo)

    45             fp.write(p.encode('utf-8'))

    46 

    47 if __name__ == '__main__':

    48     data = sys.stdin.read()

    49     entries = parselog(data)

    50     printentries(entries)

    51