Python Testcase printing decorator

print_test.py

def print_doc(f):
    """
    Prints the class and method name, followed by the first paragraph of the docstring.

    This is intended to be used as a decorator
    """
    def get_first_paragrap_in_single_line(doc):
        lines = [ l.strip() for l in doc.strip().split('\n') ]
        if ''  in lines:
            lines = lines[:lines.index('')]
        return " ".join(lines)

    def g(*args,**kwargs):
        classname = args[0].__class__.__name__
        methodname = f.__name__
        first_doc_line = ""
        if f.__doc__ is not None:
            first_doc_line = get_first_paragrap_in_single_line(f.__doc__)
        print "\n%s.%s: %s" % (classname, methodname, first_doc_line)
        return f(*args,**kwargs)

    g.__name__ = f.__name__
    g.__doc__ = f.__doc__
    if hasattr(g,'__annotations__'):
        g.__annotations__ = f.__annotations__
    return g