Find entry points the hard and wrong way

entry_points.txt

def getname(t):
    if isinstance(t, ast.Attribute):
        return getname(t.value)
    elif isinstance(t, ast.Name):
        return t.id
    else:
        return t

class EntryPointsVisitor(ast.NodeVisitor):
    def visit_Assign(self, node):
        try:
            names = [getname(t) for t in node.targets]
            entry_points = 'entry_points' in names
            if not entry_points:
                self.generic_visit(node)
            else:
                print ast.dump(node)
        except AttributeError, e:
            import pdb; pdb.set_trace()

    def visit_Call(self, node):
        global non_text_ep
        if not (isinstance(node.func, ast.Name) and node.func.id == 'setup'):
            self.generic_visit(node)
        else:
            for keyword in node.keywords:
                if keyword.arg == 'entry_points':
                    if isinstance(keyword.value, ast.Str):
                        entry_points_text.append(keyword.value.s)
                    else:
                        non_text_ep += 1