Load up extensions in the tracker "extensions" directory.

Wrote a proof-of-concept action, is in the wiki.

Cleaned up the schema.py file of spaces-at-eol.

Author: Richard Jones

roundup/cgi/client.py

@@ -1,4 +1,4 @@
-# $Id: client.py,v 1.184 2004-07-20 02:07:58 richard Exp $
+# $Id: client.py,v 1.185 2004-07-27 02:30:31 richard Exp $
 
 """WWW request handler (also used in the stand-alone server).
 """
@@ -654,13 +654,19 @@ def handle_action(self):
             action = self.form['@action'].value.lower()
         else:
             return None
+
         try:
-            # get the action, validate it
-            for name, action_klass in self.actions:
-                if name == action:
-                    break
+            if (hasattr(self.instance, 'cgi_actions') and
+                    self.instance.cgi_actions.has_key(action)):
+                # tracker-defined action
+                action_klass = self.instance.cgi_actions[action]
             else:
-                raise ValueError, 'No such action "%s"'%action
+                # go with a default
+                for name, action_klass in self.actions:
+                    if name == action:
+                        break
+                else:
+                    raise ValueError, 'No such action "%s"'%action
 
             # call the mapped action
             if isinstance(action_klass, type('')):

roundup/instance.py

@@ -15,7 +15,7 @@
 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 #
-# $Id: instance.py,v 1.17 2004-07-27 00:57:18 richard Exp $
+# $Id: instance.py,v 1.18 2004-07-27 02:30:31 richard Exp $
 
 '''Tracker handling (open tracker).
 
@@ -64,16 +64,22 @@ def open(self, name):
         self._load_python('schema.py', vars)
         db = vars['db']
 
-        detectors_dir = os.path.join(self.tracker_home, 'detectors')
-        for name in os.listdir(detectors_dir):
-            if not name.endswith('.py'):
-                continue
-            self._load_python(os.path.join('detectors', name), vars)
-            vars['init'](db)
+        self.load_extensions(db, 'detectors')
+
+        self.load_extensions(self, 'extensions')
 
         db.post_init()
         return db
 
+    def load_extensions(self, parent, dirname):
+        dirname = os.path.join(self.tracker_home, dirname)
+        for name in os.listdir(dirname):
+            if not name.endswith('.py'):
+                continue
+            vars = {}
+            self._load_python(os.path.join(dirname, name), vars)
+            vars['init'](parent)
+
     def init(self, adminpw):
         db = self.open('admin')
         self._load_python('initial_data.py', {'db': db, 'adminpw': adminpw,

templates/classic/extensions/README.txt

@@ -0,0 +1,6 @@
+This directory is for tracker extensions:
+
+- CGI Actions
+- Templating functions
+
+See the customisation doc for more information.

templates/classic/schema.py

@@ -10,19 +10,19 @@
 #   actor = Link('user')
 
 # Priorities
-pri = Class(db, "priority", 
+pri = Class(db, "priority",
                 name=String(),
                 order=Number())
 pri.setkey("name")
 
 # Statuses
-stat = Class(db, "status", 
+stat = Class(db, "status",
                 name=String(),
                 order=Number())
 stat.setkey("name")
 
 # Keywords
-keyword = Class(db, "keyword", 
+keyword = Class(db, "keyword",
                 name=String())
 keyword.setkey("name")
 
@@ -35,11 +35,11 @@
 
 # add any additional database schema configuration here
 
-user = Class(db, "user", 
+user = Class(db, "user",
                 username=String(),
                 password=Password(),
                 address=String(),
-                realname=String(), 
+                realname=String(),
                 phone=String(),
                 organisation=String(),
                 alternate_addresses=String(),
@@ -50,16 +50,16 @@
 
 # FileClass automatically gets this property in addition to the Class ones:
 #   content = String()    [saved to disk in <tracker home>/db/files/]
-msg = FileClass(db, "msg", 
+msg = FileClass(db, "msg",
                 author=Link("user", do_journal='no'),
-                recipients=Multilink("user", do_journal='no'), 
+                recipients=Multilink("user", do_journal='no'),
                 date=Date(),
-                summary=String(), 
+                summary=String(),
                 files=Multilink("file"),
                 messageid=String(),
                 inreplyto=String())
 
-file = FileClass(db, "file", 
+file = FileClass(db, "file",
                 name=String(),
                 type=String())
 
@@ -69,7 +69,7 @@
 #   files = Multilink("file")
 #   nosy = Multilink("user")
 #   superseder = Multilink("issue")
-issue = IssueClass(db, "issue", 
+issue = IssueClass(db, "issue",
                 assignedto=Link("user"),
                 topic=Multilink("keyword"),
                 priority=Link("priority"),