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44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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"""Adapt readline completer interface to make ZMQ request."""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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from traitlets.config import Configurable
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from traitlets import Float
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from jupyter_console.utils import run_sync
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class ZMQCompleter(Configurable):
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"""Client-side completion machinery.
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How it works: self.complete will be called multiple times, with
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state=0,1,2,... When state=0 it should compute ALL the completion matches,
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and then return them for each value of state."""
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timeout = Float(5.0, config=True, help='timeout before completion abort')
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def __init__(self, shell, client, config=None):
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super(ZMQCompleter,self).__init__(config=config)
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self.shell = shell
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self.client = client
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self.matches = []
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def complete_request(self, code, cursor_pos):
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# send completion request to kernel
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# Give the kernel up to 5s to respond
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msg_id = self.client.complete(
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code=code,
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cursor_pos=cursor_pos,
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)
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msg = run_sync(self.client.shell_channel.get_msg)(timeout=self.timeout)
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if msg['parent_header']['msg_id'] == msg_id:
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return msg['content']
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return {'matches': [], 'cursor_start': 0, 'cursor_end': 0,
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'metadata': {}, 'status': 'ok'}
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