68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
from ..errors import Errors
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class SimpleFrozenDict(dict):
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"""Simplified implementation of a frozen dict, mainly used as default
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function or method argument (for arguments that should default to empty
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dictionary). Will raise an error if user or Weasel attempts to add to dict.
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"""
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def __init__(self, *args, error: str = Errors.E001, **kwargs) -> None:
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"""Initialize the frozen dict. Can be initialized with pre-defined
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values.
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error (str): The error message when user tries to assign to dict.
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"""
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super().__init__(*args, **kwargs)
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self.error = error
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def __setitem__(self, key, value):
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raise NotImplementedError(self.error)
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def pop(self, key, default=None):
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raise NotImplementedError(self.error)
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def update(self, other):
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raise NotImplementedError(self.error)
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class SimpleFrozenList(list):
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"""Wrapper class around a list that lets us raise custom errors if certain
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attributes/methods are accessed. Mostly used for properties like
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Language.pipeline that return an immutable list (and that we don't want to
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convert to a tuple to not break too much backwards compatibility). If a user
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accidentally calls nlp.pipeline.append(), we can raise a more helpful error.
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"""
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def __init__(self, *args, error: str = Errors.E002) -> None:
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"""Initialize the frozen list.
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error (str): The error message when user tries to mutate the list.
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"""
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self.error = error
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super().__init__(*args)
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def append(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def clear(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def extend(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def insert(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def pop(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def remove(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def reverse(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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def sort(self, *args, **kwargs):
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raise NotImplementedError(self.error)
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