1 files changed, 54 insertions, 0 deletions
diff --git a/func/yaml/klass.py b/func/yaml/klass.py
new file mode 100644
index 0000000..c182fcf
--- /dev/null
+++ b/func/yaml/klass.py
@@ -0,0 +1,54 @@
+"""
+pyyaml legacy
+Copyright (c) 2001 Steve Howell and Friends; All Rights Reserved
+(see open source license information in docs/ directory)
+"""
+
+import new
+import re
+
+class DefaultResolver:
+    def resolveType(self, data, typestring):
+        match = re.match('!!(.*?)\.(.*)', typestring)
+        if not match:
+            raise "Invalid private type specifier"
+        (modname, classname) = match.groups()
+        return makeClass(modname, classname, data)
+
+def makeClass(module, classname, dict):
+    exec('import %s' % (module))
+    klass = eval('%s.%s' % (module, classname))
+    obj = new.instance(klass) 
+    if hasMethod(obj, 'from_yaml'):
+        return obj.from_yaml(dict)
+    obj.__dict__ = dict
+    return obj
+
+def hasMethod(object, method_name):
+    try:    
+        klass = object.__class__
+    except:
+        return 0
+    if not hasattr(klass, method_name):
+        return 0
+    method = getattr(klass, method_name)
+    if not callable(method):
+        return 0
+    return 1
+
+def isDictionary(data):
+    return isinstance(data, dict)
+
+try:
+    isDictionary({})
+except:
+    def isDictionary(data): return type(data) == type({}) # XXX python 2.1
+    
+if __name__ == '__main__':
+    print isDictionary({'foo': 'bar'})
+    try:
+        print isDictionary(dict())
+        from ordered_dict import OrderedDict
+        print isDictionary(OrderedDict())
+    except:
+        pass