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Fix _get_numpy_doc_string_cls: use cache

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I've noticed that Jedi tries to import numpydoc a lot when using
jedi-vim's goto method in jedi_vim.py itself (via printing in Neovim's
VimPathFinder.find_spec).

This patch uses the cache before trying the import again and again.
This commit is contained in:
Daniel Hahler
2018-05-05 19:18:14 +02:00
committed by Dave Halter
parent fc14aad8f2
commit 6748faa071
1 changed files with 3 additions and 2 deletions
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5
jedi/evaluate/docstrings.py
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@@ -47,13 +47,14 @@ _numpy_doc_string_cache = None
def _get_numpy_doc_string_cls():
global _numpy_doc_string_cache
if isinstance(_numpy_doc_string_cache, ImportError):
raise _numpy_doc_string_cache
try:
from numpydoc.docscrape import NumpyDocString
_numpy_doc_string_cache = NumpyDocString
except ImportError as e:
_numpy_doc_string_cache = e
if isinstance(_numpy_doc_string_cache, ImportError):
raise _numpy_doc_string_cache
raise
return _numpy_doc_string_cache