Commit edfef192 authored by Evan Simpson's avatar Evan Simpson

Minor tweak to post_traverse implementation and docstring.

parent b4f27cf3
......@@ -12,7 +12,7 @@
##############################################################################
""" Basic ZPublisher request management.
$Id: BaseRequest.py,v 1.55 2004/03/03 11:07:01 ctheune Exp $
$Id: BaseRequest.py,v 1.56 2004/03/08 17:37:05 evan Exp $
"""
from urllib import quote
......@@ -455,20 +455,30 @@ class BaseRequest:
# Remove http request method from the URL.
request['URL']=URL
# Run post traversal hooks here
result = None
# Run post traversal hooks
if post_traverse:
result = exec_callables(post_traverse)
if result is not None:
object = result
if result is not None:
object = result
return object
def post_traverse(self, f, args=()):
"""Set a callable object and argument tuple to be combined if traversal succeeds."""
if hasattr(self, "_post_traverse"):
self._post_traverse.append((f, tuple(args)))
"""Add a callable object and argument tuple to be post-traversed.
If traversal and authentication succeed, each post-traversal
pair is processed in the order in which they were added.
Each argument tuple is passed to its callable. If a callable
returns a value other than None, no more pairs are processed,
and the return value replaces the traversal result.
"""
try:
pairs = self._post_traverse
except AttributeError:
raise RuntimeError, ('post_traverse() may only be called '
'during publishing traversal.')
else:
pairs.append((f, tuple(args)))
retry_count=0
def supports_retry(self): return 0
......
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