[Zope3-checkins] SVN: Zope3/trunk/src/zope/pagetemplate/interfaces.py Add pt_errors() and pt_warnings() to IPageTemplate.

[Fred L. Drake, Jr.]

Log message for revision 26185:
Add pt_errors() and pt_warnings() to IPageTemplate.


-=-
Modified: Zope3/trunk/src/zope/pagetemplate/interfaces.py
===================================================================
--- Zope3/trunk/src/zope/pagetemplate/interfaces.py	2004-07-07 20:09:11 UTC (rev 26184)
+++ Zope3/trunk/src/zope/pagetemplate/interfaces.py	2004-07-07 20:17:59 UTC (rev 26185)
@@ -35,6 +35,26 @@
         """Set the source and content type
         """
 
+    def pt_errors(namespace):
+        """Return a sequence of strings that describe errors in the template.
+
+        The errors may occur when the template is compiled or
+        rendered.
+
+        `namespace` is the set of names passed to the TALES expression
+        evaluator, similar to what's returned by pt_getContext().
+
+        This can be used to let a template author know what went wrong
+        when an attempt was made to render the template.
+        """
+
+    def pt_warnings():
+        """Return a sequence of warnings from the parser.
+
+        This can be useful to present to the template author to
+        indication forward compatibility problems with the template.
+        """
+
     def read():
         """Get the template source
         """