Author: gjm
Date: Sat Jul 19 17:07:48 2014
New Revision: 1611921

URL: http://svn.apache.org/r1611921
Log:
clearing the lru_cache close to the beginning of a request to limit impact of 
caching errors in multi process/threaded web serving - towards #613

Modified:
    bloodhound/trunk/bloodhound_multiproduct/multiproduct/env.py
    bloodhound/trunk/bloodhound_multiproduct/multiproduct/hooks.py

Modified: bloodhound/trunk/bloodhound_multiproduct/multiproduct/env.py
URL: 
http://svn.apache.org/viewvc/bloodhound/trunk/bloodhound_multiproduct/multiproduct/env.py?rev=1611921&r1=1611920&r2=1611921&view=diff
==============================================================================
--- bloodhound/trunk/bloodhound_multiproduct/multiproduct/env.py (original)
+++ bloodhound/trunk/bloodhound_multiproduct/multiproduct/env.py Sat Jul 19 
17:07:48 2014
@@ -365,6 +365,8 @@ class ProductEnvironment(Component, Comp
                 g_env = env.parent if isinstance(env,
                                                  ProductEnvironment) else env
                 return f(self, g_env, *args, **kwargs)
+            __call__.clear = f.clear
+
             return __call__
 
         def product_env_keymap(args, kwds, kwd_mark):
@@ -397,6 +399,10 @@ class ProductEnvironment(Component, Comp
     setup_participants = ExtensionPoint(trac.env.IEnvironmentSetupParticipant)
     multi_product_support_components = 
ExtensionPoint(ISupportMultiProductEnvironment)
 
+    @classmethod
+    def clear_env_cache(cls):
+        cls.__metaclass__.__call__.clear()
+
     @property
     def product_setup_participants(self):
         return [

Modified: bloodhound/trunk/bloodhound_multiproduct/multiproduct/hooks.py
URL: 
http://svn.apache.org/viewvc/bloodhound/trunk/bloodhound_multiproduct/multiproduct/hooks.py?rev=1611921&r1=1611920&r2=1611921&view=diff
==============================================================================
--- bloodhound/trunk/bloodhound_multiproduct/multiproduct/hooks.py (original)
+++ bloodhound/trunk/bloodhound_multiproduct/multiproduct/hooks.py Sat Jul 19 
17:07:48 2014
@@ -37,6 +37,8 @@ PRODUCT_RE = re.compile(r'^/products(?:/
 
 class MultiProductEnvironmentFactory(EnvironmentFactoryBase):
     def open_environment(self, environ, env_path, global_env, use_cache=False):
+        # clearing product environment cache - bh:ticket:613
+        multiproduct.env.ProductEnvironment.clear_env_cache()
         environ.setdefault('SCRIPT_NAME', '')  # bh:ticket:594
 
         env = pid = product_path = None


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