Python _io 模块，BytesIO() 实例源码

def test_send_with_local_file_url(self, get_size_mock):
        transport = service.RequestsTransport()

        url = 'file:///foo'
        request = requests.PreparedRequest()
        request.url = url

        data = b"Hello World"
        get_size_mock.return_value = len(data)

        def readinto_mock(buf):
            buf[0:] = data

        if six.PY3:
            builtin_open = 'builtins.open'
            open_mock = mock.MagicMock(name='file_handle',
                                       spec=open)
            import _io
            file_spec = list(set(dir(_io.TextIOWrapper)).union(
                set(dir(_io.BytesIO))))
        else:
            builtin_open = '__builtin__.open'
            open_mock = mock.MagicMock(name='file_handle',
                                       spec=file)
            file_spec = file

        file_handle = mock.MagicMock(spec=file_spec)
        file_handle.write.return_value = None
        file_handle.__enter__.return_value = file_handle
        file_handle.readinto.side_effect = readinto_mock
        open_mock.return_value = file_handle

        with mock.patch(builtin_open, open_mock, create=True):
            resp = transport.session.send(request)
            self.assertEqual(data, resp.content)

def _extarct_only_robot(xmlfile):
    """remove from file not robot's elements
    robot elements are: 'suite' 'statistics' 'errors'
    """

    original_doc = ET.parse(xmlfile)
    root = original_doc.getroot()
    devices = root.find("devices")
    if devices is not None:
        root.remove(devices)

    source = StringIO(ET.tostring(root))
    ets = ETSource(source)
    execution_result = ExecutionResultBuilder(ets).build(Result())
    patched_file = File(BytesIO(force_bytes(source.getvalue())), name=xmlfile.name)
    return (execution_result, patched_file)

def _get_filelike(string, encoding):
        """Return file-like stream object."""
        import _io as io
        import sys
        filelike = io.BytesIO(string)
        if encoding and sys.version >= '3':
            filelike = io.TextIOWrapper(filelike, encoding=encoding)
        return filelike

def test_get_file_content(self):
        request = Request(Environ())
        stream = _io.BytesIO("hello world".encode())
        request.files = {"file": FileStorage(stream=stream, filename="foo")}

        self.assertEqual("hello world", BaseHandler._get_file_content(request).decode())

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` method of the file handle to return.
    This is an empty string by default.
    """
    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.write.return_value = None
    handle.__enter__.return_value = handle
    handle.read.return_value = read_data

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` method of the file handle to return.
    This is an empty string by default.
    """
    global file_spec
    if file_spec is None:
        # set on first use
        if inPy3k:
            import _io
            file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))
        else:
            file_spec = file

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.write.return_value = None
    handle.__enter__.return_value = handle
    handle.read.return_value = read_data

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` method of the file handle to return.
    This is an empty string by default.
    """
    global file_spec
    if file_spec is None:
        # set on first use
        if inPy3k:
            import _io
            file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))
        else:
            file_spec = file

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.write.return_value = None
    handle.__enter__.return_value = handle
    handle.read.return_value = read_data

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
        """
        A helper function to create a mock to replace the use of `open`. It works
        for `open` called directly or used as a context manager.

        The `mock` argument is the mock object to configure. If `None` (the
        default) then a `MagicMock` will be created for you, with the API limited
        to methods or attributes available on standard file handles.

        `read_data` is a string for the `read` methoddline`, and `readlines` of the
        file handle to return.  This is an empty string by default.
        """
        def _readlines_side_effect(*args, **kwargs):
            if handle.readlines.return_value is not None:
                return handle.readlines.return_value
            return list(_data)

        def _read_side_effect(*args, **kwargs):
            if handle.read.return_value is not None:
                return handle.read.return_value
            return type(read_data)().join(_data)

        def _readline_side_effect():
            if handle.readline.return_value is not None:
                while True:
                    yield handle.readline.return_value
            for line in _data:
                yield line

        global file_spec
        if file_spec is None:
            import _io
            file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

        if mock is None:
            mock = MagicMock(name='open', spec=open)

        handle = MagicMock(spec=file_spec)
        handle.__enter__.return_value = handle

        _data = _iterate_read_data(read_data)

        handle.write.return_value = None
        handle.read.return_value = None
        handle.readline.return_value = None
        handle.readlines.return_value = None

        handle.read.side_effect = _read_side_effect
        handle.readline.side_effect = _readline_side_effect()
        handle.readlines.side_effect = _readlines_side_effect

        mock.return_value = handle
        return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` methoddline`, and `readlines` of the
    file handle to return.  This is an empty string by default.
    """
    def _readlines_side_effect(*args, **kwargs):
        if handle.readlines.return_value is not None:
            return handle.readlines.return_value
        return list(_data)

    def _read_side_effect(*args, **kwargs):
        if handle.read.return_value is not None:
            return handle.read.return_value
        return ''.join(_data)

    def _readline_side_effect():
        if handle.readline.return_value is not None:
            while True:
                yield handle.readline.return_value
        for line in _data:
            yield line


    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.__enter__.return_value = handle

    _data = _iterate_read_data(read_data)

    handle.write.return_value = None
    handle.read.return_value = None
    handle.readline.return_value = None
    handle.readlines.return_value = None

    handle.read.side_effect = _read_side_effect
    handle.readline.side_effect = _readline_side_effect()
    handle.readlines.side_effect = _readlines_side_effect

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` methoddline`, and `readlines` of the
    file handle to return.  This is an empty string by default.
    """
    def _readlines_side_effect(*args, **kwargs):
        if handle.readlines.return_value is not None:
            return handle.readlines.return_value
        return list(_data)

    def _read_side_effect(*args, **kwargs):
        if handle.read.return_value is not None:
            return handle.read.return_value
        return ''.join(_data)

    def _readline_side_effect():
        if handle.readline.return_value is not None:
            while True:
                yield handle.readline.return_value
        for line in _data:
            yield line


    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.__enter__.return_value = handle

    _data = _iterate_read_data(read_data)

    handle.write.return_value = None
    handle.read.return_value = None
    handle.readline.return_value = None
    handle.readlines.return_value = None

    handle.read.side_effect = _read_side_effect
    handle.readline.side_effect = _readline_side_effect()
    handle.readlines.side_effect = _readlines_side_effect

    mock.return_value = handle
    return mock

def mockOpen(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` methoddline`, and `readlines` of the
    file handle to return.  This is an empty string by default.
    """
    def _readlines_side_effect(*args, **kwargs):
        if handle.readlines.return_value is not None:
            return handle.readlines.return_value
        return list(_data)

    def _read_side_effect(*args, **kwargs):
        if handle.read.return_value is not None:
            return handle.read.return_value
        return ''.join(_data)

    def _readline_side_effect():
        if handle.readline.return_value is not None:
            while True:
                yield handle.readline.return_value
        for line in _data:
            yield line

    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(
            set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.__enter__.return_value = handle

    _data = _iterate_read_data(read_data)

    noStopIterationReadline = NoStopIterationReadline(
        handle, _iterate_read_data(read_data))

    handle.write.return_value = None
    handle.read.return_value = None
    handle.readline.return_value = None
    handle.readlines.return_value = None
    handle.__iter__.return_value = noStopIterationReadline

    handle.read.side_effect = _read_side_effect
    handle.readline.side_effect = noStopIterationReadline.readline
    handle.readlines.side_effect = _readlines_side_effect

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` methoddline`, and `readlines` of the
    file handle to return.  This is an empty string by default.
    """
    def _readlines_side_effect(*args, **kwargs):
        if handle.readlines.return_value is not None:
            return handle.readlines.return_value
        return list(_data)

    def _read_side_effect(*args, **kwargs):
        if handle.read.return_value is not None:
            return handle.read.return_value
        return ''.join(_data)

    def _readline_side_effect():
        if handle.readline.return_value is not None:
            while True:
                yield handle.readline.return_value
        for line in _data:
            yield line


    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.__enter__.return_value = handle

    _data = _iterate_read_data(read_data)

    handle.write.return_value = None
    handle.read.return_value = None
    handle.readline.return_value = None
    handle.readlines.return_value = None

    handle.read.side_effect = _read_side_effect
    handle.readline.side_effect = _readline_side_effect()
    handle.readlines.side_effect = _readlines_side_effect

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
    """
    A helper function to create a mock to replace the use of `open`. It works
    for `open` called directly or used as a context manager.

    The `mock` argument is the mock object to configure. If `None` (the
    default) then a `MagicMock` will be created for you, with the API limited
    to methods or attributes available on standard file handles.

    `read_data` is a string for the `read` methoddline`, and `readlines` of the
    file handle to return.  This is an empty string by default.
    """
    def _readlines_side_effect(*args, **kwargs):
        if handle.readlines.return_value is not None:
            return handle.readlines.return_value
        return list(_data)

    def _read_side_effect(*args, **kwargs):
        if handle.read.return_value is not None:
            return handle.read.return_value
        return ''.join(_data)

    def _readline_side_effect():
        if handle.readline.return_value is not None:
            while True:
                yield handle.readline.return_value
        for line in _data:
            yield line


    global file_spec
    if file_spec is None:
        import _io
        file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

    if mock is None:
        mock = MagicMock(name='open', spec=open)

    handle = MagicMock(spec=file_spec)
    handle.__enter__.return_value = handle

    _data = _iterate_read_data(read_data)

    handle.write.return_value = None
    handle.read.return_value = None
    handle.readline.return_value = None
    handle.readlines.return_value = None

    handle.read.side_effect = _read_side_effect
    handle.readline.side_effect = _readline_side_effect()
    handle.readlines.side_effect = _readlines_side_effect

    mock.return_value = handle
    return mock

def mock_open(mock=None, read_data=''):
        """
        A helper function to create a mock to replace the use of `open`. It works
        for `open` called directly or used as a context manager.

        The `mock` argument is the mock object to configure. If `None` (the
        default) then a `MagicMock` will be created for you, with the API limited
        to methods or attributes available on standard file handles.

        `read_data` is a string for the `read` methoddline`, and `readlines` of the
        file handle to return.  This is an empty string by default.
        """
        def _readlines_side_effect(*args, **kwargs):
            if handle.readlines.return_value is not None:
                return handle.readlines.return_value
            return list(_data)

        def _read_side_effect(*args, **kwargs):
            if handle.read.return_value is not None:
                return handle.read.return_value
            return type(read_data)().join(_data)

        def _readline_side_effect():
            if handle.readline.return_value is not None:
                while True:
                    yield handle.readline.return_value
            for line in _data:
                yield line

        global file_spec
        if file_spec is None:
            import _io
            file_spec = list(set(dir(_io.TextIOWrapper)).union(set(dir(_io.BytesIO))))

        if mock is None:
            mock = MagicMock(name='open', spec=open)

        handle = MagicMock(spec=file_spec)
        handle.__enter__.return_value = handle

        _data = _iterate_read_data(read_data)

        handle.write.return_value = None
        handle.read.return_value = None
        handle.readline.return_value = None
        handle.readlines.return_value = None

        handle.read.side_effect = _read_side_effect
        handle.readline.side_effect = _readline_side_effect()
        handle.readlines.side_effect = _readlines_side_effect

        mock.return_value = handle
        return mock