add doxypypy and py_filter so this will turn google style

doxypypy/doxypypy/test/sample_rawdocstring.py

Index: doxypypy/doxypypy/test/sample_rawdocstring.py
diff --git a/doxypypy/doxypypy/test/sample_rawdocstring.py b/doxypypy/doxypypy/test/sample_rawdocstring.py
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+++ b/doxypypy/doxypypy/test/sample_rawdocstring.py
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+#!/usr/bin/env python
+# encoding: utf-8
+r"""
+Raw docstrings sample module.
+
+Tests support for raw docstrings, which are necessary when docstrings contain
+escape sequences.
+
+E.g. TeX-maths:
+@f[
+  \exp(x) = \sum_{k=0}^{\infty} \frac{x^k}{k!}
+@f]
+
+Related to issue #8 [1].
+
+[1]: https://github.com/Feneric/doxypypy/issues/8
+"""
+
+
+def sqrt4():
+    r"""Calculate the square-root of four.
+
+    Returns:
+        @f$ \sqrt{4} @f$.
+    """
+    return 2
+
+
+def invert(x):
+    r"""Invert the given number.
+
+    Args:
+        x:  Invert this number \f$x\f$.
+
+    Returns:
+        @f$\frac{1}{x}@f$.
+    """
+    return 1/x
+
+
+class Polynomial(object):
+    r"""Stores a polynomial.
+
+    Here, a polynomial is defined as a finite series of the form
+    @f[
+      a_0 + a_1 x + a_2 x^2 + \cdots + a_N x^N,
+    @f]
+    where \f$ a_k \f$, for \f$k=0,\ldots,N\f$, are real coefficients, and
+    \f$N\f$ is the degree of the polynomial.
+
+    Attributes:
+        coefficients:  A list of coefficients.
+    """
+
+    def __init__(self, coefficients):
+        r"""Initialize a polynomial instance.
+
+        Args:
+            coefficients:  A list of coefficients. Beginning with \f$a_0\f$,
+                           and ending with \f$a_N\f$.
+        """
+        self.coefficients = coefficients
+
+
+    def find_roots(self):
+        r"""Find the real roots of the polynomial.
+
+        I.e. all real numbers @f$ x_i @f$ for which
+        \f[
+          a_0 + a_1 x_i + a_2 {x_i}^2 + \cdots + a_N {x_i}^N = 0.
+        \f]
+
+        Returns:
+            A list of all real roots, or an empty list if there are none.
+
+        \todo Implement this method.
+        """
+        pass
+
+
+def main():
+    """Demonstrate polynomial class."""
+    p = Polynomial([0, 1, 0, 2])
+
+    print(p.coefficients)
+
+
+if __name__ == '__main__':
+    main()