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"""Msgpack handling in the event loop pipeline.""" |
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6 |
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import logging |
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4
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6 |
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from msgpack import Packer, Unpacker |
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5
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6
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6 |
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from ..compat import unicode_errors_default |
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8
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logger = logging.getLogger(__name__) |
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debug, info, warn = (logger.debug, logger.info, logger.warning,) |
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10
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11
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12
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6 |
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class MsgpackStream(object): |
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14
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"""Two-way msgpack stream that wraps a event loop byte stream. |
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16
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This wraps the event loop interface for reading/writing bytes and |
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exposes an interface for reading/writing msgpack documents. |
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""" |
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20
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6 |
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def __init__(self, event_loop): |
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"""Wrap `event_loop` on a msgpack-aware interface.""" |
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self._event_loop = event_loop |
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self._packer = Packer(unicode_errors=unicode_errors_default) |
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self._unpacker = Unpacker() |
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self._message_cb = None |
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27
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6 |
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def threadsafe_call(self, fn): |
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"""Wrapper around `BaseEventLoop.threadsafe_call`.""" |
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self._event_loop.threadsafe_call(fn) |
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31
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6 |
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def poll_fd(self, fd, on_readable, on_writable): |
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"""Wrapper around `BaseEventLoop.poll_fd`.""" |
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return self._event_loop.poll_fd(fd, on_readable, on_writable) |
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35
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def send(self, msg): |
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"""Queue `msg` for sending to Nvim.""" |
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debug('sent %s', msg) |
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self._event_loop.send(self._packer.pack(msg)) |
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40
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def run(self, message_cb): |
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"""Run the event loop to receive messages from Nvim. |
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While the event loop is running, `message_cb` will be called whenever |
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a message has been successfully parsed from the input stream. |
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""" |
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self._message_cb = message_cb |
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self._event_loop.run(self._on_data) |
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self._message_cb = None |
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50
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def stop(self): |
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"""Stop the event loop.""" |
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self._event_loop.stop() |
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54
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def _on_data(self, data): |
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self._unpacker.feed(data) |
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while True: |
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try: |
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debug('waiting for message...') |
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msg = next(self._unpacker) |
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debug('received message: %s', msg) |
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self._message_cb(msg) |
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except StopIteration: |
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debug('unpacker needs more data...') |
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break |
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neovim /
python-client
This can be caused by one of the following:
1. Missing Dependencies
This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands.
2. Missing __init__.py files
This error could also result from missing
__init__.pyfiles in your module folders. Make sure that you place one file in each sub-folder.