neosnippet.vim/rplugin/python3/deoplete/sources/neosnippet.py

#=============================================================================
# FILE: neosnippet.py
# AUTHOR: Shougo Matsushita <Shougo.Matsu at gmail.com>
# License: MIT license  {{{
#     Permission is hereby granted, free of charge, to any person obtaining
#     a copy of this software and associated documentation files (the
#     "Software"), to deal in the Software without restriction, including
#     without limitation the rights to use, copy, modify, merge, publish,
#     distribute, sublicense, and/or sell copies of the Software, and to
#     permit persons to whom the Software is furnished to do so, subject to
#     the following conditions:
#
#     The above copyright notice and this permission notice shall be included
#     in all copies or substantial portions of the Software.
#
#     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
#     OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
#     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
#     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
#     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
#     TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
#     SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# }}}
#=============================================================================

import re
from .base import Base

class Source(Base):
    def __init__(self, vim):
        Base.__init__(self, vim)

        self.name = 'neosnippet'
        self.mark = '[ns]'
        self.rank = 200
        self.__cache = {}

    def on_event(self, context):
        self.__cache[context['filetype']] = self.vim.eval(
            'values(neosnippet#helpers#get_completion_snippets())')
        for candidate in self.__cache[context['filetype']]:
            candidate['dup'] = 1
            candidate['menu'] = candidate['menu_abbr']

    def gather_candidates(self, context):
        if context['filetype'] not in self.__cache:
            self.on_event(context)
        return self.__cache.get(context['filetype'], [])