Method stream_context

Lib/test/test_android.py:95–113

(self, stream_name, level)

    # test them directly. Detect this mode and use some temporary streams with
    # the same properties.
    def stream_context(self, stream_name, level):
        # https://developer.android.com/ndk/reference/group/logging
        prio = {"I": 4, "W": 5}[level]

        stack = ExitStack()
        stack.enter_context(self.subTest(stream_name))
        stream = getattr(sys, stream_name)
        native_stream = getattr(sys, f"__{stream_name}__")
        if isinstance(stream, io.StringIO):
            stack.enter_context(
                patch(
                    f"sys.{stream_name}",
                    TextLogStream(
                        prio, f"python.{stream_name}", native_stream.fileno(),
                        errors="backslashreplace"
                    ),
                )
            )
        return stack

    def test_str(self):
        for stream_name, level, fileno in STREAM_INFO: