# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1410676307 25200
# Node ID d74ae33832ae4ca0d17b56ea862381517875ab0a
# Parent  69d5eecfa44982c4fbc9b563e45f25bbc1437356
Fix a bug with the posts source incorrectly escaping regex characters.

diff -r 69d5eecfa449 -r d74ae33832ae piecrust/sources/posts.py
--- a/piecrust/sources/posts.py	Sat Sep 13 23:31:21 2014 -0700
+++ b/piecrust/sources/posts.py	Sat Sep 13 23:31:47 2014 -0700
@@ -93,7 +93,8 @@
                 'slug': '(?P<slug>.*)',
                 'ext': '(?P<ext>.*)'
                 }
-        pattern = self.path_format % regex_repl + '$'
+        path_format_re = re.sub(r'([\-\.])', r'\\\1', self.path_format)
+        pattern = path_format_re % regex_repl + '$'
         m = re.search(pattern, path.replace('\\', '/'))
         if not m:
             raise Exception("Expected to be able to match path with path "