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Separate infer_import and goto_import a bit better

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Dave Halter
2019-08-22 00:08:13 +02:00
parent bf4d42798b
commit 337c03e5be
1 changed files with 44 additions and 44 deletions
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88
jedi/inference/imports.py
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@@ -58,20 +58,56 @@ class ModuleCache(object):
# certain imports.
@inference_state_method_cache(default=NO_VALUES)
def infer_import(context, tree_name):
return _infer_import(context, tree_name, is_goto=False)
module_context = context.get_root_context()
from_import_name, import_path, level, values = \
_prepare_infer_import(module_context, tree_name)
if not values:
return NO_VALUES
if from_import_name is not None:
values = values.py__getattribute__(
from_import_name,
name_context=context,
analysis_errors=False
)
if not values:
path = import_path + (from_import_name,)
importer = Importer(context.inference_state, path, module_context, level)
values = importer.follow()
debug.dbg('after import: %s', values)
return values
@inference_state_method_cache(default=[])
def goto_import(context, tree_name):
return _infer_import(context, tree_name, is_goto=True)
def _infer_import(context, tree_name, is_goto=False):
module_context = context.get_root_context()
from_import_name, import_path, level, values = \
_prepare_infer_import(module_context, tree_name)
if not values:
return []
if from_import_name is not None:
names = unite([
c.goto(
from_import_name,
name_context=context,
analysis_errors=False
) for c in values
])
if names:
return names
path = import_path + (from_import_name,)
importer = Importer(context.inference_state, path, module_context, level)
values = importer.follow()
return set(s.name for s in values)
def _prepare_infer_import(module_context, tree_name):
import_node = search_ancestor(tree_name, 'import_name', 'import_from')
import_path = import_node.get_path_for_name(tree_name)
from_import_name = None
inference_state = context.inference_state
try:
from_names = import_node.get_from_names()
except AttributeError:
@@ -84,48 +120,12 @@ def _infer_import(context, tree_name, is_goto=False):
from_import_name = import_path[-1]
import_path = from_names
importer = Importer(inference_state, tuple(import_path),
importer = Importer(module_context.inference_state, tuple(import_path),
module_context, import_node.level)
values = importer.follow()
#if import_node.is_nested() and not self.nested_resolve:
# scopes = [NestedImportModule(module, import_node)]
if not values:
return NO_VALUES
if from_import_name is not None:
if is_goto:
values = unite([
c.goto(
from_import_name,
name_context=context,
analysis_errors=False
) for c in values
])
else:
values = values.py__getattribute__(
from_import_name,
name_context=context,
analysis_errors=False
)
if not values:
path = import_path + [from_import_name]
importer = Importer(inference_state, tuple(path),
module_context, import_node.level)
values = importer.follow()
# goto only accepts `Name`
if is_goto:
values = set(s.name for s in values)
else:
# goto only accepts `Name`
if is_goto:
values = set(s.name for s in values)
debug.dbg('after import: %s', values)
return values
return from_import_name, tuple(import_path), import_node.level, importer.follow()
class NestedImportModule(tree.Module):