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12 lines
464 B
Python
12 lines
464 B
Python
from mypy.plugin import FunctionContext
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from mypy.types import Type
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def determine_type_of_array_field(ctx: FunctionContext) -> Type:
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if 'base_field' not in ctx.arg_names:
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return ctx.default_return_type
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base_field_arg_type = ctx.arg_types[ctx.arg_names.index('base_field')][0]
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return ctx.api.named_generic_type(ctx.context.callee.fullname,
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args=[base_field_arg_type.type.names['__get__'].type.ret_type])
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