Added universal cache invalidator for two cached functions.

added invalidation when repository was added or deleted, and another invalidation when there was a mercurial command involved.

pylons_app/controllers/admin.py

@@ -82,7 +82,7 b' class AdminController(BaseController):'
             c.new_repo = new_repo
             c.msg = 'added repo'
             #clear our cached list for refresh with new repo
-            invalidate_cache('repo_list_2')
+            invalidate_cache('cached_repo_list')
         except Exception as e:
             c.new_repo = 'Exception when adding: %s' % new_repo
             c.msg = str(e)

pylons_app/lib/simplehg.py

@@ -1,7 +1,7 b''
 import os
 from mercurial.hgweb import hgweb
 from mercurial.hgweb.request import wsgiapplication
-from pylons_app.lib.utils import make_ui
+from pylons_app.lib.utils import make_ui, invalidate_cache
 from pylons.controllers.util import abort
 from webob.exc import HTTPNotFound
 class SimpleHg(object):
@@ -22,12 +22,17 b' class SimpleHg(object):'
             #since we wrap into hgweb, just reset the path
             environ['PATH_INFO'] = '/'
             self.baseui = make_ui()
-            self.basepath = self.baseui.configitems('paths')[0][1].replace('*', '')
+            self.basepath = self.baseui.configitems('paths')[0][1]\
+                                                            .replace('*', '')
             self.repo_path = os.path.join(self.basepath, repo_name)
             try:
                 app = wsgiapplication(self._make_app)
             except Exception as e:
                 return HTTPNotFound()(environ, start_response)
+            
+            """we know that some change was made to repositories and we should
+            invalidate the cache to see the changes right away"""
+            invalidate_cache('full_changelog', repo_name)
             return app(environ, start_response)            
 
     def _make_app(self):

pylons_app/lib/utils.py

@@ -90,14 +90,25 b" def make_ui(path='hgwebdir.config', chec"
     
     return baseui
 
-def invalidate_cache(name):
+def invalidate_cache(name, *args):
     from beaker.cache import region_invalidate
-    if name == 'repo_list_2':
-        log.info('INVALIDATING CACHE FOR %s', name)
-        from pylons_app.lib.base import _get_repos
-        #clear our cached list for refresh with new repo
-        region_invalidate(_get_repos, None, 'repo_list_2')
-
+    log.info('INVALIDATING CACHE FOR %s', name)
+    
+    """propaget our arguments to make sure invalidation works. First
+    argument has to be the name of cached func name give to cache decorator
+    without that the invalidation would not work"""
+    tmp = [name]
+    tmp.extend(args)
+    args = tuple(tmp)
+    
+    if name == 'cached_repo_list':
+        from pylons_app.lib.base import _get_repos_cached
+        region_invalidate(_get_repos_cached, None, *args)
+        
+    if name == 'full_changelog':
+        from pylons_app.controllers.changelog import _full_changelog_cached
+        region_invalidate(_full_changelog_cached, None, *args)
+        
 from vcs.backends.base import BaseChangeset
 from vcs.utils.lazy import LazyProperty
 class EmptyChangeset(BaseChangeset):