add doxypypy and py_filter so this will turn google style

doxypypy/doxypypy/test/sample_interfaces.py

Index: doxypypy/doxypypy/test/sample_interfaces.py
diff --git a/doxypypy/doxypypy/test/sample_interfaces.py b/doxypypy/doxypypy/test/sample_interfaces.py
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+++ b/doxypypy/doxypypy/test/sample_interfaces.py
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+# -*- coding: utf-8 -*-
+"""
+Typical interfaces definition.
+
+Here we're just trying to make some typical interface definitions
+to better test the doxypypy filter.
+"""
+
+from zope.interface import Interface, Attribute
+
+# Public API Interfaces
+
+
+class INul(Interface):
+    """
+    The zeroth sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This is a special case commonly known as a "marker
+    interface" that declares neither methods nor attributes.
+    """
+
+
+class IUnu(Interface):
+    """
+    The first sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This one has just a single method.
+    """
+
+    def unuMethod(unuArg, *args):
+        """The first method offered for the first interface."""
+
+
+class IDu(Interface):
+    """
+    The second sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This one has multiple methods.
+    """
+
+    def duMethod(duArg1, duArg2):
+        """The first method offered for the second interface."""
+
+    def duMethod2(duArg1, **kwargs):
+        """The second method offered for the second interface."""
+
+
+class ITri(Interface):
+    """
+    The third sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This one has just a single attribute.
+    """
+
+    triAttr = Attribute('the first attribute for the third interface')
+
+
+class IKvar(Interface):
+    """
+    The fourth sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This one has multiple attributes.
+    """
+
+    kvarAttr1 = Attribute('the first attribute for the fourth interface')
+
+    kvarAttr2 = Attribute('the second attribute for the fourth interface')
+
+
+class IKvin(Interface):
+    """
+    The fifth sample interface.
+
+    Nothing special, just a sample interface to help test the
+    filter. This one opens things up a little and has multiple
+    attributes and methods.
+    """
+
+    kvinAttr1 = Attribute('the first attribute for the fifth interface')
+
+    kvinAttr2 = Attribute('the second attribute for the fifth interface')
+
+    def kvinMethod(kvinArg1, kvinArg2, *args, **kwargs):
+        """The first method offered for the fifth interface."""
+
+    def kvinMethod2(kvinArg1, kvinArg2='default'):
+        """The second method offered for the fifth interface."""
+
+    kvinAttr3 = Attribute('the third attribute for the fifth interface')
+
+    def kvinMethod3(kvinArg1, kvinArg2='default'):
+        """The third method offered for the fifth interface."""