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cppinyin.py
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75 lines (61 loc) · 2.28 KB
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# Copyright 2024 Wei Kang (wkang@pku.edu.cn)
#
# See ../../../LICENSE for clarification regarding multiple authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import _cppinyin
import os
from typing import List, Union
import importlib_resources
class Encoder:
def __init__(self, vocab: str = None, num_threads: int = os.cpu_count()):
"""
Construct a cppinyin Encoder object.
"""
if vocab is None:
ref = (
importlib_resources.files("cppinyin") / "resources/pinyin.dict"
)
with importlib_resources.as_file(ref) as path:
vocab = str(path)
self.encoder = _cppinyin.Encoder(vocab, num_threads)
def encode(
self,
data: Union[str, List[str]],
tone: str = "number",
partial: bool = False,
return_seg: bool = False,
):
return self.encoder.encode(data, tone, partial, return_seg)
def to_initials(self, data: Union[str, List[str]]):
"""
Convert Chinese characters to their initials.
"""
return self.encoder.to_initials(data)
def to_finals(self, data: Union[str, List[str]], tone: str = "number"):
"""
Convert Chinese characters to their finals.
"""
return self.encoder.to_finals(data, tone)
def all_pinyins(self, tone: str = "number"):
return self.encoder.all_pinyins(tone)
def all_initials(self):
return self.encoder.all_initials()
def all_finals(self, tone: str = "number"):
return self.encoder.all_finals(tone)
def valid_pinyin(self, pinyin: str, tone: str = ""):
return self.encoder.valid_pinyin(pinyin, tone)
def load(self, path: str):
self.encoder.load(path)
def save(self, path: str):
self.encoder.save(path)