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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def compile(self, name, contents, path=None):
 """Compile the given Thrift document into a Python module. The generated module contains, .. py:attribute:: __services__ A collection of generated classes for all services defined in the thrift file. .. versionchanged:: 1.0 Renamed from ``services`` to ``__services__``. .. py:attribute:: __types__ A collection of generated types for all types defined in the thrift file. .. versionchanged:: 1.0 Renamed from ``types`` to ``__types__``. .. py:attribute:: __includes__ A collection of modules included by this module. .. versionadded:: 1.0 .. py:attribute:: __constants__ A mapping of constant name to value for all constants defined in the thrift file. .. versionchanged:: 1.0 Renamed from ``constants`` to ``__constants__``. .. py:attribute:: __thrift_source__ Contents of the .thrift file from which this module was compiled. .. versionadded:: 1.1 .. py:function:: dumps(obj) Serializes the given object using the protocol the compiler was instantiated with. .. py:function:: loads(cls, payload) Deserializes an object of type ``cls`` from ``payload`` using the protocol the compiler was instantiated with. .. py:function:: dumps.message(obj, seqid=0) Serializes the given request or response into a :py:class:`~thriftrw.wire.Message` using the protocol that the compiler was instantiated with. See :ref:`calling-apache-thrift`. .. versionadded:: 1.0 .. py:function:: loads.message(service, payload) Deserializes a :py:class:`~thriftrw.wire.Message` from ``payload`` using the protocol the compiler was instantiated with. A request or response of a method defined in the given service is parsed in the message body. See :ref:`calling-apache-thrift`. .. versionadded:: 1.0 And one class each for every struct, union, exception, enum, and service defined in the IDL. Service classes have references to :py:class:`thriftrw.spec.ServiceFunction` objects for each method defined in the service. :param str name: Name of the Thrift document. This will be the name of the generated module. :param str contents: Thrift document to compile :param str path: Path to the Thrift file being compiled. If not specified, imports from within the Thrift file will be disallowed. :returns: ModuleSpec of the generated module. """

        assert name

        if path:
            path = os.path.abspath(path)
            if path in self._module_specs:
                return self._module_specs[path]

        module_spec = ModuleSpec(name, self.protocol, path, contents)
        if path:
            self._module_specs[path] = module_spec

        program = self.parser.parse(contents)

        header_processor = HeaderProcessor(self, module_spec, self.include_as)
        for header in program.headers:
            header.apply(header_processor)

        generator = Generator(module_spec.scope, strict=self.strict)
        for definition in program.definitions:
            generator.process(definition)

        return module_spec