chun_qiu
fd5c732d8a
- Add web UI panel (dark theme) at / with REST API - Add Bilibili QR code scan login with browser header emulation - Add wanakana for English -> katakana conversion - Add volume control (0%-200%) - Add message format with '说、' pause marker - PyInstaller --onedir build for portable exe - Rate-limit danmaku logging (1/20) - Fix aiohttp.access log spam - Add README.md
95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
"""Chinese text → Japanese Katakana converter."""
|
|
|
|
import re
|
|
from pypinyin import pinyin, Style
|
|
|
|
from pinyin2kana_data import PINYIN2KANA
|
|
|
|
_CHINESE_CHAR_RE = re.compile(r"[\u4e00-\u9fa5]")
|
|
_CHINESE_SEGMENT_RE = re.compile(r"([\u4e00-\u9fa5]+)")
|
|
_NUMBER_RE = re.compile(r"-?\d+(\.\d+)?")
|
|
_TONE_RE = re.compile(r"\d")
|
|
|
|
_KANA_SAFE_RE = re.compile(
|
|
r"[\u3040-\u309F\u30A0-\u30FF\uFF65-\uFF9F"
|
|
r"\u30FC\u309B\u309C"
|
|
r"\u3001\u3002\uFF01\uFF1F"
|
|
r"\u300C\u300D"
|
|
r"\u30FB\u3000"
|
|
r"a-zA-Z0-9 ]"
|
|
)
|
|
|
|
_CHINESE_DIGITS = ["零", "一", "二", "三", "四", "五", "六", "七", "八", "九"]
|
|
_CHINESE_UNITS = ["", "十", "百", "千", "万"]
|
|
_CHINESE_POINT = "点"
|
|
|
|
|
|
def _number_to_chinese(num_str: str) -> str:
|
|
num_str = num_str.strip("-")
|
|
if "." in num_str:
|
|
integer_part, decimal_part = num_str.split(".", 1)
|
|
else:
|
|
integer_part, decimal_part = num_str, ""
|
|
result = ""
|
|
if integer_part == "0" or integer_part == "":
|
|
result = "零"
|
|
else:
|
|
digits = [int(ch) for ch in integer_part]
|
|
n = len(digits)
|
|
for i, d in enumerate(digits):
|
|
pos = n - i - 1
|
|
if d == 0:
|
|
if i < n - 1 and digits[i + 1] != 0:
|
|
result += _CHINESE_DIGITS[0]
|
|
else:
|
|
result += _CHINESE_DIGITS[d]
|
|
unit_idx = pos % 4
|
|
wan = pos // 4
|
|
if wan > 0 and unit_idx == 0:
|
|
result += _CHINESE_UNITS[4]
|
|
else:
|
|
result += _CHINESE_UNITS[unit_idx]
|
|
if decimal_part:
|
|
result += _CHINESE_POINT
|
|
for ch in decimal_part:
|
|
result += _CHINESE_DIGITS[int(ch)]
|
|
return result
|
|
|
|
|
|
def _strip_tone(py: str) -> str:
|
|
return _TONE_RE.sub("", py)
|
|
|
|
|
|
def chinese_to_kana(text: str, convert_numbers: bool = True) -> str:
|
|
if not text or not text.strip():
|
|
return ""
|
|
working = text
|
|
if convert_numbers:
|
|
def _replace_num(m: re.Match) -> str:
|
|
return _number_to_chinese(m.group(0))
|
|
working = _NUMBER_RE.sub(_replace_num, working)
|
|
if not _CHINESE_CHAR_RE.search(working):
|
|
return text
|
|
segments = _CHINESE_SEGMENT_RE.split(working)
|
|
result_parts: list[str] = []
|
|
for seg in segments:
|
|
if not seg:
|
|
continue
|
|
if _CHINESE_CHAR_RE.match(seg[0]):
|
|
py_list = pinyin(seg, style=Style.TONE3, heteronym=False)
|
|
for py_item in py_list:
|
|
py_raw = py_item[0]
|
|
py_plain = _strip_tone(py_raw)
|
|
kana = PINYIN2KANA.get(py_plain, py_plain)
|
|
result_parts.append(kana)
|
|
else:
|
|
result_parts.append(seg)
|
|
result = "".join(result_parts)
|
|
result = re.sub(r"(?<=\S) (?=\S)", "", result)
|
|
return result
|
|
|
|
|
|
def filter_kana(text: str) -> str:
|
|
filtered = "".join(c for c in text if _KANA_SAFE_RE.match(c))
|
|
return filtered.strip().lower()
|