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Notify users of missing Python lazily (#1210)
authorPaul Ganssle <p.ganssle@gmail.com>
Tue, 3 Mar 2020 12:00:52 +0000 (07:00 -0500)
committerGitHub <noreply@github.com>
Tue, 3 Mar 2020 12:00:52 +0000 (13:00 +0100)
Currently this message shows up with no context prior to the start of
Vim. By changing this to a lazy message, the user will only be notified
of a problem with the Black plugin when they are attempting to use the
Black plugin.

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
plugin/black.vim

index a4047d49d4b1b170e6bbeb9ca37090bdf055cd80..8106ea16a3901cdb64b699bce702a5664624f5ad 100644 (file)
 "    - restore cursor/window position after formatting
 
 if v:version < 700 || !has('python3')
-    echo "The black.vim plugin requires vim7.0+ with Python 3.6 support."
+    func! __BLACK_MISSING()
+        echo "The black.vim plugin requires vim7.0+ with Python 3.6 support."
+    endfunc
+    command! Black :call __BLACK_MISSING()
+    command! BlackUpgrade :call __BLACK_MISSING()
+    command! BlackVersion :call __BLACK_MISSING()
     finish
 endif