42 lines
1.0 KiB
Python
42 lines
1.0 KiB
Python
from __future__ import unicode_literals
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from .win32 import read_message_from_pipe, write_message_to_pipe, connect_to_pipe
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from ctypes import windll
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from prompt_toolkit.eventloop import From, Return
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import six
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__all__ = [
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'PipeClient',
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]
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class PipeClient(object):
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r"""
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Windows pipe client.
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:param pipe_name: Name of the pipe. E.g. \\.\pipe\pipe_name
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"""
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def __init__(self, pipe_name):
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assert isinstance(pipe_name, six.text_type)
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self.pipe_handle = connect_to_pipe(pipe_name)
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def write_message(self, text):
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"""
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(coroutine)
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Write message into the pipe.
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"""
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yield From(write_message_to_pipe(self.pipe_handle, text))
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def read_message(self):
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"""
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(coroutine)
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Read one single message from the pipe and return as text.
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"""
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message = yield From(read_message_from_pipe(self.pipe_handle))
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raise Return(message)
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def close(self):
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"""
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Close the connection.
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"""
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windll.kernel32.CloseHandle(self.pipe_handle)
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