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241956720d
Value of 1 cannot be used, because users might set that in their vimrc to _disable_ a provider, which would confuse :checkhealth and has().
46 lines
1.3 KiB
VimL
46 lines
1.3 KiB
VimL
" The Python provider uses a Python host to emulate an environment for running
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" python-vim plugins. :help provider
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"
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" Associating the plugin with the Python host is the first step because plugins
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" will be passed as command-line arguments
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if exists('g:loaded_python_provider')
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finish
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endif
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let [s:prog, s:err] = provider#pythonx#Detect(2)
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let g:loaded_python_provider = empty(s:prog) ? 1 : 2
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function! provider#python#Prog() abort
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return s:prog
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endfunction
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function! provider#python#Error() abort
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return s:err
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endfunction
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" The Python provider plugin will run in a separate instance of the Python
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" host.
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call remote#host#RegisterClone('legacy-python-provider', 'python')
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call remote#host#RegisterPlugin('legacy-python-provider', 'script_host.py', [])
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function! provider#python#Call(method, args) abort
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if s:err != ''
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return
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endif
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if !exists('s:host')
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let s:rpcrequest = function('rpcrequest')
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" Ensure that we can load the Python host before bootstrapping
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try
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let s:host = remote#host#Require('legacy-python-provider')
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catch
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let s:err = v:exception
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echohl WarningMsg
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echomsg v:exception
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echohl None
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return
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endtry
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endif
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return call(s:rpcrequest, insert(insert(a:args, 'python_'.a:method), s:host))
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endfunction
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