# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1435626751 25200
# Node ID 1359b2b0cc73f52d8c663902a42907ddee150131
# Parent  6b9f59b19db7d8a51b6185f876806aaedf39532f
performance: Use the fast YAML loader if available.

diff -r 6b9f59b19db7 -r 1359b2b0cc73 piecrust/configuration.py
--- a/piecrust/configuration.py	Sun Jun 28 15:00:23 2015 -0700
+++ b/piecrust/configuration.py	Mon Jun 29 18:12:31 2015 -0700
@@ -3,6 +3,10 @@
 import collections.abc
 import yaml
 from yaml.constructor import ConstructorError
+try:
+    from yaml import CSafeLoader as SafeLoader
+except ImportError:
+    from yaml import SafeLoader
 
 
 logger = logging.getLogger(__name__)
@@ -166,7 +170,7 @@
     return config, offset
 
 
-class ConfigurationLoader(yaml.SafeLoader):
+class ConfigurationLoader(SafeLoader):
     """ A YAML loader that loads mappings into ordered dictionaries.
     """
     def __init__(self, *args, **kwargs):