[Checkins] SVN: zope.introspector/trunk/src/zope/introspector/infoproviders.py Add module to collect info providers in a separate place.

[Uli Fouquet]

Log message for revision 87961:
  Add module to collect info providers in a separate place.

Changed:
  A   zope.introspector/trunk/src/zope/introspector/infoproviders.py

-=-
Added: zope.introspector/trunk/src/zope/introspector/infoproviders.py
===================================================================
--- zope.introspector/trunk/src/zope/introspector/infoproviders.py	                        (rev 0)
+++ zope.introspector/trunk/src/zope/introspector/infoproviders.py	2008-07-03 13:11:28 UTC (rev 87961)
@@ -0,0 +1,43 @@
+##############################################################################
+#
+# Copyright (c) 2008 Zope Corporation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""Provide description objects for arbitrary objects.
+"""
+import inspect
+import martian
+from zope.introspector.meta import priority
+from zope.introspector.descriptionprovider import DescriptionProvider
+from zope.introspector.interfaces import IObjectInfo
+from zope.introspector.objectinfo import ObjectInfo, PackageInfo
+
+class SimpleDescriptionProvider(DescriptionProvider):
+    name = 'simple'
+    priority(1001)
+    def getDescription(self, obj, *args, **kw):
+        return IObjectInfo(obj)
+
+    def canHandle(self, obj, *args, **kw):
+        return True
+
+
+class PackageDescriptionProvider(DescriptionProvider):
+    name = 'package'
+    priority(1000)
+    def getDescription(self, obj, *args, **kw):
+        return PackageInfo(obj)
+
+    def canHandle(self, obj, *args, **kw):
+        if not inspect.ismodule(obj):
+            return False
+        info = martian.scan.module_info_from_module(obj)
+        return info.isPackage()