Author: christian.heimes
Date: Thu Jan 17 08:49:45 2008
New Revision: 60016
Modified:
python/branches/py3k-importhook/Doc/library/imputil.rst
python/branches/py3k-importhook/Lib/imputil.py
python/branches/py3k-importhook/Lib/test/test_imp.py
Log:
Implemented when_imported decorator. I've moved the decorator to imputils.
Implementing the decorator in C is too complex and time consuming for a rather
simple task.
Modified: python/branches/py3k-importhook/Doc/library/imputil.rst
==============================================================================
--- python/branches/py3k-importhook/Doc/library/imputil.rst (original)
+++ python/branches/py3k-importhook/Doc/library/imputil.rst Thu Jan 17
08:49:45 2008
@@ -14,6 +14,17 @@
approach to custom :keyword:`import` functions.
+.. function:: when_imported(name)
+
+ When imported decorator for post import hooks. The *when_imported*
+ decorator provides a convenient way to register a post import
+ callback for a module::
+
+ @when_imported('name')
+ def callback(module):
+ do_something_with_module(module)
+
+
.. class:: ImportManager([fs_imp])
Manage the import process.
Modified: python/branches/py3k-importhook/Lib/imputil.py
==============================================================================
--- python/branches/py3k-importhook/Lib/imputil.py (original)
+++ python/branches/py3k-importhook/Lib/imputil.py Thu Jan 17 08:49:45 2008
@@ -19,10 +19,26 @@
import struct
import marshal
-__all__ = ["ImportManager","Importer","BuiltinImporter"]
+__all__ = ["ImportManager","Importer","BuiltinImporter", "when_imported"]
_ModuleType = type(sys) ### doesn't work in JPython...
+def when_imported(name):
+ """When imported decorator for callbacks
+
+ @when_imported('name')
+ def callback(module):
+ do_something_with_module(module)
+
+ The callback is called with the module object as argument when the module
+ is loaded. If the module is already loaded the callback is called
+ immediately.
+ """
+ def register(hook):
+ imp.register_post_import_hook(hook, name)
+ return register
+
+
class ImportManager:
"Manage the import process."
Modified: python/branches/py3k-importhook/Lib/test/test_imp.py
==============================================================================
--- python/branches/py3k-importhook/Lib/test/test_imp.py (original)
+++ python/branches/py3k-importhook/Lib/test/test_imp.py Thu Jan 17
08:49:45 2008
@@ -1,5 +1,6 @@
import os
import imp
+from imputil import when_imported
import sys
import thread
import unittest
@@ -7,13 +8,6 @@
import tempfile
from test import test_support
-
-def when_imported(name):
- def register(hook):
- imp.register_post_import_hook(hook, name)
- return register
-
-
class LockTests(unittest.TestCase):
"""Very basic test of import lock functions."""
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