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cli.py
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167 lines (148 loc) · 4.96 KB
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import logging
import tempfile
try:
import click
except ImportError:
print("Please run")
print(" pip install click")
print("before you continue")
raise
import importlib_resources
from pathlib import Path
from cppinyin import Encoder
def load_dict(user_dict: Path):
assert user_dict.is_file(), f"File not exists, filename : {user_dict}"
lines = []
user_phrases = set()
with open(user_dict, "r") as fi:
for line in fi:
toks = line.strip().split()
if len(toks) < 3:
logging.error(
"Each line in vocab should contain at lease three items "
"(seperate by space), "
"the first one is Chinese word/character, the second one is "
f"score, the others are the corresponding pinyins given : {line}"
)
raise
try:
score = float(toks[1])
except ValueError:
logging.error(
"Each line in vocab should contain at lease three items "
"(seperate by space), "
"the first one is Chinese word/character, the second one is "
f"score, the others are the corresponding pinyins given : {line}"
)
raise
user_phrases.add(toks[0].strip())
lines.append(line)
return lines, user_phrases
def get_dict_path(dict_path: Path, user_dict_path: Path):
if user_dict_path is not None or dict_path is not None:
ref = importlib_resources.files("cppinyin") / "resources/pinyin.raw"
with importlib_resources.as_file(ref) as path:
default_vacab = path
dict_lines = []
user_dict_lines = []
user_phrases = set()
if dict_path is not None:
dict_lines, _ = load_dict(dict_path)
else:
dict_lines, _ = load_dict(default_vacab)
if user_dict_path is not None:
user_dict_lines, user_phrases = load_dict(user_dict_path)
temp_dict_path = ".cppinyin.tmp"
with open(temp_dict_path, "w") as fo:
for line in user_dict_lines:
fo.write(line)
for line in dict_lines:
toks = line.strip().split()
if toks[0].strip() in user_phrases:
continue
else:
fo.write(line)
return temp_dict_path
else:
ref = importlib_resources.files("cppinyin") / "resources/pinyin.dict"
with importlib_resources.as_file(ref) as path:
default_vacab = path
return str(default_vacab)
@click.group()
def cli():
"""
The shell entry point to cppinyin.
"""
logging.basicConfig(
format="%(asctime)s %(levelname)s [%(filename)s:%(lineno)d] %(message)s",
level=logging.INFO,
)
@cli.command(name="build")
@click.argument("output", type=click.Path())
@click.option(
"--dict-path",
type=Path,
help="The path to the dictionary, if not provided using default.",
)
@click.option(
"--user-dict-path", type=Path, help="The path to user customized dict."
)
def build(output: Path, dict_path: Path, user_dict_path: Path):
"""
Build raw dictionary (in text format) to binary format.
Note:
The user_dict has a higher priority than dict (also default dict).
"""
output = Path(output)
output.parent.mkdir(parents=True, exist_ok=True)
encoder = Encoder(get_dict_path(dict_path, user_dict_path))
encoder.save(str(output))
@cli.command(name="encode")
@click.argument("input", type=str)
@click.option(
"--dict-path",
type=Path,
help="The path to the dictionary, if not provided using default.",
)
@click.option(
"--user-dict-path", type=Path, help="The path to user customized dict."
)
@click.option(
"--tone",
type=click.Choice(["normal", "number", "none"]),
default="number",
help="Choose the tone style of pinyin",
)
@click.option(
"--partial",
is_flag=True,
show_default=True,
default=False,
help="Whether to split pinyins into initials and finals or not.",
)
def encode(
input: str,
dict_path: Path,
user_dict_path: Path,
tone: str,
partial: bool,
):
"""
Encode a input Chinese sentence into pinyin sequences given dictionary
(if not provided will use the default one) and user defined dictionary.
The input could be a string or a file path.
Note:
The user_dict has a higher priority than dict (also default dict).
"""
encoder = Encoder(get_dict_path(dict_path, user_dict_path))
if Path(input).is_file():
with open(input, "r") as fi:
for line in fi:
pinyin = " ".join(
encoder.encode(line.strip(), tone=tone, partial=partial)
)
click.echo(f"{line.strip()}\t{pinyin}")
else:
click.echo(
" ".join(encoder.encode(input.strip(), tone=tone, partial=partial))
)