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Errors with map #1324

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Errors with map#1324
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bugcat: stubs and 3ptype stubs and third-party types
@Avasam

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@Avasam
Avasam
opened on Nov 27, 2022

When trying to use the map class in a type stub, I get the following errors:

  1. pytype.pytd.visitors.SymbolLookupError: Couldn't find map in some.module
    This can be worked around by importing map from builtins: from builtins import map
NotImplementedError: Can't convert <class 'pytype.pytd.pytd.Function'>: Function(name='builtins.map', signatures=(Signature(params=(Parameter(name='function', type=AnythingType(), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, 
mutated_type=None),), starargs=Parameter(name='sequences', type=GenericType(base_type=ClassType(builtins.tuple), parameters=(GenericType(base_type=ClassType(typing.Iterable), parameters=(NothingType(),)),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=True, mutated_type=None), starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(NothingType(),)), exceptions=(), template=()), Signature(params=(Parameter(name='__func', type=CallableType(base_type=ClassType(typing.Callable), parameters=(TypeParameter(name='_T', constraints=(), 
bound=None, scope='builtins.map'), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=None, starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map')))), Signature(params=(Parameter(name='__func', type=CallableType(base_type=ClassType(typing.Callable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter2', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=None, starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map')))), Signature(params=(Parameter(name='__func', type=CallableType(base_type=ClassType(typing.Callable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter2', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter3', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=None, starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map')))), Signature(params=(Parameter(name='__func', type=CallableType(base_type=ClassType(typing.Callable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter2', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter3', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter4', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=None, starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map')))), Signature(params=(Parameter(name='__func', type=CallableType(base_type=ClassType(typing.Callable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_T5', constraints=(), bound=None, scope='builtins.map'), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), 
Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter2', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T2', constraints=(), 
bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter3', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map'),)), 
kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter4', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter5', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(TypeParameter(name='_T5', constraints=(), bound=None, scope='builtins.map'),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=None, starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T2', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T3', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T4', constraints=(), bound=None, scope='builtins.map')), TemplateItem(type_param=TypeParameter(name='_T5', constraints=(), bound=None, scope='builtins.map')))), Signature(params=(Parameter(name='__func', type=GenericType(base_type=ClassType(typing.Callable), parameters=(AnythingType(), TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'))), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter1', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 
'regular'>, optional=False, mutated_type=None), Parameter(name='__iter2', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter3', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter4', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None), Parameter(name='__iter5', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 'regular'>, 
optional=False, mutated_type=None), Parameter(name='__iter6', type=GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=False, mutated_type=None)), starargs=Parameter(name='iterables', type=GenericType(base_type=ClassType(builtins.tuple), parameters=(GenericType(base_type=ClassType(typing.Iterable), parameters=(AnythingType(),)),)), kind=<ParameterKind.REGULAR: 'regular'>, optional=True, mutated_type=None), starstarargs=None, return_type=GenericType(base_type=ClassType(typing.Iterator), parameters=(TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map'),)), exceptions=(), template=(TemplateItem(type_param=TypeParameter(name='_S', constraints=(), bound=None, scope='builtins.map')),))), kind=<MethodKind.METHOD: 'method'>, flags=<MethodFlag.NONE: 1>)

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