forked from VimPlug/jedi
93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
from jedi.inference.base_value import ValueWrapper
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from jedi.inference.value.module import ModuleValue
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from jedi.inference.filters import ParserTreeFilter, \
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TreeNameDefinition
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from jedi.inference.gradual.typing import TypingModuleFilterWrapper
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class StubModuleValue(ModuleValue):
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def __init__(self, non_stub_value_set, *args, **kwargs):
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super(StubModuleValue, self).__init__(*args, **kwargs)
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self.non_stub_value_set = non_stub_value_set
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def is_stub(self):
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return True
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def sub_modules_dict(self):
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"""
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We have to overwrite this, because it's possible to have stubs that
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don't have code for all the child modules. At the time of writing this
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there are for example no stubs for `json.tool`.
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"""
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names = {}
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for value in self.non_stub_value_set:
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try:
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method = value.sub_modules_dict
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except AttributeError:
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pass
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else:
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names.update(method())
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names.update(super(StubModuleValue, self).sub_modules_dict())
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return names
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def _get_first_non_stub_filters(self):
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for value in self.non_stub_value_set:
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yield next(value.get_filters())
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def _get_stub_filters(self, origin_scope):
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return [StubFilter(
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context=self.as_context(),
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origin_scope=origin_scope
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)] + list(self.iter_star_filters())
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def get_filters(self, origin_scope=None):
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filters = super(StubModuleValue, self).get_filters(origin_scope)
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next(filters) # Ignore the first filter and replace it with our own
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stub_filters = self._get_stub_filters(origin_scope=origin_scope)
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for f in stub_filters:
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yield f
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for f in filters:
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yield f
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class TypingModuleWrapper(StubModuleValue):
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def get_filters(self, *args, **kwargs):
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filters = super(TypingModuleWrapper, self).get_filters(*args, **kwargs)
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yield TypingModuleFilterWrapper(next(filters))
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for f in filters:
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yield f
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# From here on down we make looking up the sys.version_info fast.
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class _StubName(TreeNameDefinition):
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def infer(self):
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inferred = super(_StubName, self).infer()
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if self.string_name == 'version_info' and self.get_root_context().py__name__() == 'sys':
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return [VersionInfo(c) for c in inferred]
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return inferred
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class StubFilter(ParserTreeFilter):
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name_class = _StubName
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def _is_name_reachable(self, name):
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if not super(StubFilter, self)._is_name_reachable(name):
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return False
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# Imports in stub files are only public if they have an "as"
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# export.
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definition = name.get_definition()
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if definition.type in ('import_from', 'import_name'):
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if name.parent.type not in ('import_as_name', 'dotted_as_name'):
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return False
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n = name.value
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# TODO rewrite direct return
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if n.startswith('_') and not (n.startswith('__') and n.endswith('__')):
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return False
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return True
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class VersionInfo(ValueWrapper):
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pass
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