Delete unneeded directory
[jabaws.git] / website / archive / binaries / mac / src / disembl / biopython-1.50 / Bio / PropertyManager.py
diff --git a/website/archive/binaries/mac/src/disembl/biopython-1.50/Bio/PropertyManager.py b/website/archive/binaries/mac/src/disembl/biopython-1.50/Bio/PropertyManager.py
deleted file mode 100644 (file)
index 05c27f7..0000000
+++ /dev/null
@@ -1,83 +0,0 @@
-# Stores properties associated with the class of an object.
-
-
-# Would it be nice to have support for more than one resolver per
-# class?  In the meanwhile, they could collude using a dispatch
-# object.
-
-# Do you need access to the actual resolver?
-
-# Resolvers get the sequence because they may do a per-object lookup.
-
-# Could cache search results for better performance.
-
-
-# Dictionary which creates dictionary elements, so lookups never fail.
-# The new elements are always dictionaries.
-class CreateDict(dict):
-    def __getitem__(self, key):
-        return self.setdefault(key,{})
-    
-class PropertyManager:
-    def __init__(self):
-        self.class_property = CreateDict()
-        self.class_property_resolver = CreateDict()
-        self.class_resolver = {}
-
-    def resolve(self, obj, property):
-        try:
-            klass = obj.__class__
-        except AttributeError:
-            raise KeyError("built-in instance")
-        
-        return self.resolve_class(klass, property)
-        
-    def resolve_class(self, klass, property):
-        # Hopefully, we'll find the hit right away
-        try:
-            return self.class_property[klass][property]
-        except KeyError:
-            pass
-
-        # Is there a property resolver?
-        try:
-            return self.class_property_resolver[klass][property](
-                self, klass, property)
-        except KeyError:
-            pass
-
-        # What about the class resolver?
-        try:
-            return self.class_resolver[klass](self, klass, property)
-        except KeyError:
-            pass
-
-        # That failed, so we walk up the class tree, depth-first and
-        # left-to-right (same as Python).  For each class, check if
-        # the property exists, then check if the property resolver
-        # exists, and finally, check for the class resolver.
-
-        bases = list(klass.__bases__)
-        while bases:
-            base = bases.pop()
-            try:
-                return self.class_property[base][property]
-            except KeyError:
-                pass
-            try:
-                return self.class_property_resolver[base][property](
-                    self, klass, property)
-            except KeyError:
-                pass
-            try:
-                return self.class_resolver[base](self, klass, property)
-            except KeyError:
-                pass
-
-            # this is why the search is depth-first/right-left
-            bases[:0] = list(base.__bases__)
-        raise KeyError("cannot find property %s for class %s" \
-                       % (property, klass))
-            
-
-default_manager = PropertyManager()