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bda-6-steffo/unimore_bda_6/tokenizer/base.py

35 lines
992 B
Python

import tensorflow
class BaseTokenizer:
"""
The base for all tokenizers in this project.
"""
def __repr__(self):
return f"{self.__class__.__qualname__}()"
@staticmethod
def __not_implemented(f):
f.__notimplemented__ = True
return f
def can_tokenize_builtins(self) -> bool:
return getattr(self.tokenize_builtins, "__notimplemented__", False)
def can_tokenize_tensorflow(self) -> bool:
return getattr(self.tokenize_tensorflow, "__notimplemented__", False)
@__not_implemented
def tokenize_builtins(self, text: str) -> list[str]:
"""
Convert a text string into a list of tokens.
"""
raise NotImplementedError()
@__not_implemented
def tokenize_tensorflow(self, text: tensorflow.Tensor) -> tensorflow.Tensor:
"""
Convert a `tensorflow.Tensor` string into another `tensorflow.Tensor` space-separated string.
"""
raise NotImplementedError()