[svn r57474] Fixed bug reported by Martijn Faassen - when the XML output of 'svn st --xml'

didn't contain author information, the code raised an exception.

--HG--
branch : trunk

py/path/svn/testing/test_wccommand.py

@@ -1,7 +1,7 @@
 import py
 import sys
 from py.__.path.svn.testing.svntestbase import CommonSvnTests, getrepowc
-from py.__.path.svn.wccommand import InfoSvnWCCommand
+from py.__.path.svn.wccommand import InfoSvnWCCommand, XMLWCStatus
 from py.__.path.svn.wccommand import parse_wcinfotime
 from py.__.path.svn import svncommon
 from py.__.conftest import option
@@ -214,6 +214,19 @@ class TestWCSvnCommandPath(CommonSvnTests):
         assert 'deletefile' not in s.unchanged
         assert [x.basename for x in s.deleted] == ['deletefile']
 
+    def test_status_noauthor(self):
+        # testing for XML without author - this used to raise an exception
+        xml = '''\
+        <entry path="/tmp/pytest-23/wc">
+        <wc-status item="normal" props="none" revision="0">
+        <commit revision="0">
+        <date>2008-08-19T16:50:53.400198Z</date>
+        </commit>
+        </wc-status>
+        </entry>
+        '''
+        XMLWCStatus.fromstring(xml, self.root)
+
     def test_diff(self):
         p = self.root / 'anotherfile'
         out = p.diff(rev=2)

py/path/svn/wccommand.py

@@ -684,9 +684,10 @@ class XMLWCStatus(WCStatus):
                 if commitel:
                     modrev = commitel.getAttribute('revision')
                     author = ''
-                    for c in commitel.getElementsByTagName('author')[0]\
-                            .childNodes:
-                        author += c.nodeValue
+                    author_els = commitel.getElementsByTagName('author')
+                    if author_els:
+                        for c in author_els[0].childNodes:
+                            author += c.nodeValue
                     date = ''
                     for c in commitel.getElementsByTagName('date')[0]\
                             .childNodes: