[ZPT] CVS: Zope/lib/python/Products/PageTemplates - ZopePageTemplate.py:1.30.2.2

[Shane Hathaway]

Update of /cvs-repository/Zope/lib/python/Products/PageTemplates
In directory cvs.zope.org:/tmp/cvs-serv22747

Modified Files:
      Tag: shane-better-tracebacks-branch
	ZopePageTemplate.py 
Log Message:
- Made sure the template gets cooked before showing errors

- Hooked up the source file machinery for ZopePageTemplates by overriding
  pt_source_file.


=== Zope/lib/python/Products/PageTemplates/ZopePageTemplate.py 1.30.2.1 => 1.30.2.2 ===
         icons = ({'path': 'misc_/PageTemplates/zpt.gif',
                   'alt': self.meta_type, 'title': self.meta_type},)
+        if not self._v_cooked:
+            self._cook()
         if self._v_errors:
             icons = icons + ({'path': 'misc_/PageTemplates/exclamation.gif',
                               'alt': 'Error',
@@ -265,8 +267,18 @@
         return icons
 
     def __setstate__(self, state):
+        # This is here for backward compatibility. :-(
         ZopePageTemplate.inheritedAttribute('__setstate__')(self, state)
-        self._cook()
+
+    def pt_source_file(self):
+        """Returns a file name to be compiled into the TAL code."""
+        try:
+            # URL-like syntax.
+            return 'traversal:' + '/'.join(self.getPhysicalPath())
+        except:
+            # This page template is being compiled without an
+            # acquisition context, so we don't know where it is. :-(
+            return None
 
     if not SUPPORTS_WEBDAV_LOCKS:
         def wl_isLocked(self):