[Zope3-checkins] CVS: Packages/ZConfig - info.py:1.1.2.20

[Fred L. Drake, Jr.]

Update of /cvs-repository/Packages/ZConfig
In directory cvs.zope.org:/tmp/cvs-serv25877

Modified Files:
      Tag: zconfig-schema-devel-branch
	info.py 
Log Message:
Add some utility functions to make examining a schema a little easier.

=== Packages/ZConfig/info.py 1.1.2.19 => 1.1.2.20 ===
--- Packages/ZConfig/info.py:1.1.2.19	Mon Dec 23 10:56:40 2002
+++ Packages/ZConfig/info.py	Tue Dec 24 13:36:12 2002
@@ -222,7 +222,7 @@
         self.datatype = datatype
         self.keytype = keytype
         self.valuetype = valuetype
-        self._children = []    # [info, ...]
+        self._children = []    # [(key, info), ...]
         self._attrmap = {}     # {attribute: index, ...}
         self._keymap = {}      # {key: index, ...}
 
@@ -268,6 +268,21 @@
     def getchildnames(self):
         return [key for (key, info) in self._children]
 
+    def getrequiredtypes(self):
+        d = {}
+        if self.name:
+            d[self.name] = 1
+        stack = [self]
+        while stack:
+            info = stack.pop()
+            for key, ci in info._children:
+                if ci.issection():
+                    t = ci.sectiontype
+                    if not d.has_key(t.name):
+                        d[t.name] = 1
+                        stack.append(t)
+        return d.keys()
+
     def getsectionindex(self, type, name):
         index = -1
         for key, info in self._children:
@@ -336,3 +351,12 @@
 
     def issection(self):
         return True
+
+    def getunusedtypes(self):
+        alltypes = self.gettypenames()
+        reqtypes = self.getrequiredtypes()
+        for n in reqtypes:
+            alltypes.remove(n)
+        if self.name and self.name in alltypes:
+            alltypes.remove(self.name)
+        return alltypes