[Zope-CVS] CVS: Packages/zpkgtools/zpkgtools - include.py:1.39

[Fred L. Drake, Jr.]

Update of /cvs-repository/Packages/zpkgtools/zpkgtools
In directory cvs.zope.org:/tmp/cvs-serv31943/zpkgtools

Modified Files:
	include.py 
Log Message:
add Specifcation.__nonzero__ to allow a client to determine if processing
the specification will actually cause anything to happen


=== Packages/zpkgtools/zpkgtools/include.py 1.38 => 1.39 ===
--- Packages/zpkgtools/zpkgtools/include.py:1.38	Tue May  4 13:09:57 2004
+++ Packages/zpkgtools/zpkgtools/include.py	Tue May  4 16:10:28 2004
@@ -247,6 +247,9 @@
         self.filename = filename
         self.group = group
 
+    def __nonzero__(self):
+        return bool(self.includes)
+
     def cook(self):
         patterns = self.includes.pop(None, [])
         source = os.path.normpath(self.source)