# HG changeset patch
# User Dan Villiom Podlaski Christiansen <danchr@gmail.com>
# Date 1260721639 -3600
# Node ID bc117ea4c95a1af154b070eb20adfbdfa6fa9306
# Parent  00ecb2bc005cc0d06faee118cd550634cb589590
do not assume that doc-strings are present.

A couple of places in the code assumed that docstrings were set. This
prevented hgsubversion from loading when Mercurial is run under
`python -OO'.

diff --git a/hgsubversion/__init__.py b/hgsubversion/__init__.py
--- a/hgsubversion/__init__.py
+++ b/hgsubversion/__init__.py
@@ -77,7 +77,7 @@ def uisetup(ui):
     docvals = {'extension': 'hgsubversion'}
     for cmd, (generic, target, fixdoc, ppopts, opts) in wrapcmds.iteritems():
 
-        if fixdoc:
+        if fixdoc and wrappers.generic.__doc__:
             docvals['command'] = cmd
             docvals['Command'] = cmd.capitalize()
             docvals['target'] = target
diff --git a/hgsubversion/svncommands.py b/hgsubversion/svncommands.py
--- a/hgsubversion/svncommands.py
+++ b/hgsubversion/svncommands.py
@@ -282,6 +282,9 @@ def _helpgen():
            'subcommands for Subversion integration', '',
            'list of subcommands:', '']
     for name, func in sorted(table.items()):
-        short_description = (func.__doc__ or '').splitlines()[0]
+        if func.__doc__:
+            short_description = func.__doc__.splitlines()[0]
+        else:
+            short_description = ''
         ret.append(" %-10s  %s" % (name, short_description))
     return '\n'.join(ret) + '\n'