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Move stub caching around

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This commit is contained in:
Dave Halter
2019-05-15 21:10:07 +02:00
parent 7fc7e631f8
commit b7eeb60e9c
1 changed files with 17 additions and 11 deletions
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28
jedi/evaluate/gradual/typeshed.py
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@@ -114,8 +114,8 @@ def import_module_decorator(func):
if not prefer_stubs:
return actual_context_set
stub = _try_to_load_stub(evaluator, actual_context_set,
parent_module_context, sys_path, import_names)
stub = _try_to_load_stub_cached(evaluator, import_names, actual_context_set,
parent_module_context, sys_path)
if stub is not None:
return ContextSet([stub])
return actual_context_set
@@ -123,18 +123,26 @@ def import_module_decorator(func):
return wrapper
def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, sys_path, import_names):
def _try_to_load_stub_cached(evaluator, import_names, *args, **kwargs):
try:
return evaluator.stub_module_cache[import_names]
except KeyError:
pass
evaluator.stub_module_cache[import_names] = None
evaluator.stub_module_cache[import_names] = result = \
_try_to_load_stub(evaluator, import_names, *args, **kwargs)
return result
def _try_to_load_stub(evaluator, import_names, actual_context_set,
parent_module_context, sys_path):
"""
Trying to load a stub for a set of import_names.
This is modelled to work like "PEP 561 -- Distributing and Packaging Type
Information", see https://www.python.org/dev/peps/pep-0561.
"""
try:
return evaluator.stub_module_cache[import_names]
except KeyError:
pass
# 1. Try to load foo-stubs folders on path for import name foo.
if not parent_module_context:
# foo-stubs
@@ -163,7 +171,7 @@ def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, sys_
if m is not None:
return m
# 3. finally try to load typeshed
# 3. Try to load typeshed
m = _load_from_typeshed(evaluator, actual_context_set, parent_module_context, import_names)
if m is not None:
return m
@@ -190,7 +198,6 @@ def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, sys_
if m is not None:
return m
evaluator.stub_module_cache[import_names] = None
# If no stub is found, that's fine, the calling function has to deal with
# it.
return None
@@ -243,5 +250,4 @@ def create_stub_module(evaluator, actual_context_set, stub_module_node, path, im
code_lines=get_cached_code_lines(evaluator.latest_grammar, path),
is_package=file_name == '__init__.pyi',
)
evaluator.stub_module_cache[import_names] = stub_module_context
return stub_module_context