mirror of
https://github.com/neovim/neovim.git
synced 2025-09-10 21:38:19 +00:00
48 lines
1.7 KiB
VimL
48 lines
1.7 KiB
VimL
" Nvim plugin for loading python extensions via an external interpreter
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if exists("did_python_setup") || &cp
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finish
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endif
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let did_python_setup = 1
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let s:get_version =
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\ ' -c "import sys; sys.stdout.write(str(sys.version_info.major) + '.
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\ '\".\" + str(sys.version_info.minor))"'
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let s:supported = ['2.6', '2.7']
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" To load the python host a python 2 executable must be available
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if exists('python_interpreter')
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\ && executable(g:python_interpreter)
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\ && index(s:supported, system(g:python_interpreter.s:get_version)) >= 0
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let s:python_interpreter = g:python_interpreter
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elseif executable('python')
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\ && index(s:supported, system('python'.s:get_version)) >= 0
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let s:python_interpreter = 'python'
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elseif executable('python2')
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\ && index(s:supported, system('python2'.s:get_version)) >= 0
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" In some distros, python3 is the default python
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let s:python_interpreter = 'python2'
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else
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finish
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endif
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" Execute python, import neovim and print a string. If import_result matches
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" the printed string, we can probably start the host
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let s:import_result = substitute(system(
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\ s:python_interpreter .' -c "import neovim; print \"ok\""'),
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\ '^[\s\n]*\(ok\)[\s\n]*$', '\1', '')
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if s:import_result != 'ok'
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finish
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endif
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let s:pyhost_id = rpcstart(s:python_interpreter,
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\ ['-c', 'import neovim; neovim.start_host()'])
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" Evaluate an expression in the script host as an additional sanity check, and
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" to block until all providers have been registered(or else some plugins loaded
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" by the user's vimrc would not get has('python') == 1
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if rpcrequest(s:pyhost_id, 'python_eval', '"o"+"k"') != 'ok' || !has('python')
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" Something went wrong
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rpcstop(s:pyhost_id)
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endif
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