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Improve stub loading from random places

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Dave Halter
2019-05-14 21:09:20 +02:00
parent 5ff3e4d1d1
commit 03f29c51cf
1 changed files with 30 additions and 5 deletions
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35
jedi/evaluate/gradual/typeshed.py
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@@ -114,7 +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, import_names)
stub = _try_to_load_stub(evaluator, actual_context_set,
parent_module_context, sys_path, import_names)
if stub is not None:
return ContextSet([stub])
return actual_context_set
@@ -122,12 +123,13 @@ def import_module_decorator(func):
return wrapper
def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, import_names):
def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, sys_path, import_names):
try:
return evaluator.stub_module_cache[import_names]
except KeyError:
pass
# 2. try to load pyi files next to py files.
for c in actual_context_set:
try:
method = c.py__file__
@@ -146,13 +148,36 @@ def _try_to_load_stub(evaluator, actual_context_set, parent_module_context, impo
if m is not None:
return m
# 3. Try to load pyi file somewhere if actual_context_set was not defined.
if not actual_context_set:
if parent_module_context is not None:
# TODO this attribute doesn't always exist
check_path = parent_module_context.py__path__()
# In case import_names
names_for_path = (import_names[-1],)
else:
check_path = sys_path
names_for_path = import_names
names_for_path = names_for_path[:-1] + (names_for_path[-1] + '.pyi',)
for p in check_path:
m = _try_to_load_stub_from_file(
evaluator,
actual_context_set,
os.path.join(p, *names_for_path),
import_names
)
if m is not None:
return m
# 4. finally try to load typeshed
m = _load_from_typeshed(evaluator, actual_context_set, parent_module_context, import_names)
if m is not None:
return m
evaluator.stub_module_cache[import_names] = None
# If no stub is found, just return the default.
# If no stub is found, that's fine, the calling function has to deal with
# it.
return None
@@ -178,7 +203,7 @@ def _load_from_typeshed(evaluator, actual_context_set, parent_module_context, im
def _try_to_load_stub_from_file(evaluator, actual_context_set, path, import_names):
try:
stub_module_node = _load_stub(evaluator, path)
except FileNotFoundError:
except OSError:
# The file that you're looking for doesn't exist (anymore).
return None
else: