106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
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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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from jedi.inference.names import StubName, StubModuleName
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from jedi.inference.gradual.typing import TypingModuleFilterWrapper
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from jedi.inference.context import ModuleContext
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class StubModuleValue(ModuleValue):
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_module_name_class = StubModuleName
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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_stub_filters(self, origin_scope):
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return [StubFilter(
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parent_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, None) # 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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def _as_context(self):
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return StubModuleContext(self)
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class StubModuleContext(ModuleContext):
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def get_filters(self, until_position=None, origin_scope=None):
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# Make sure to ignore the position, because positions are not relevant
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# for stubs.
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return super(StubModuleContext, self).get_filters(origin_scope=origin_scope)
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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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f = next(filters, None)
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assert f is not None
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yield TypingModuleFilterWrapper(f)
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for f in filters:
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yield f
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def _as_context(self):
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return TypingModuleContext(self)
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class TypingModuleContext(ModuleContext):
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def get_filters(self, *args, **kwargs):
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filters = super(TypingModuleContext, self).get_filters(*args, **kwargs)
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yield TypingModuleFilterWrapper(next(filters, None))
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for f in filters:
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yield f
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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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