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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-04-08 17:01
__init__.py	547 B	-rw-r--r--	2025-04-08 17:01
_decode.py	2.93 KB	-rw-r--r--	2025-04-08 17:01
_encode.py	2.54 KB	-rw-r--r--	2025-04-08 17:01
_format.py	626 B	-rw-r--r--	2025-04-08 17:01
_parse.py	11.11 KB	-rw-r--r--	2025-04-08 17:01
_url.py	284 B	-rw-r--r--	2025-04-08 17:01
py.typed	26 B	-rw-r--r--	2025-04-08 17:01

Rename

from __future__ import annotations

from collections.abc import Sequence
import functools
import re

DECODE_DEFAULT_CHARS = ";/?:@&=+$,#"
DECODE_COMPONENT_CHARS = ""

decode_cache: dict[str, list[str]] = {}

def get_decode_cache(exclude: str) -> Sequence[str]:
    if exclude in decode_cache:
        return decode_cache[exclude]

cache: list[str] = []
    decode_cache[exclude] = cache

for i in range(128):
        ch = chr(i)
        cache.append(ch)

for i in range(len(exclude)):
        ch_code = ord(exclude[i])
        cache[ch_code] = "%" + ("0" + hex(ch_code)[2:].upper())[-2:]

return cache

# Decode percent-encoded string.
#
def decode(string: str, exclude: str = DECODE_DEFAULT_CHARS) -> str:
    cache = get_decode_cache(exclude)
    repl_func = functools.partial(repl_func_with_cache, cache=cache)
    return re.sub(r"(%[a-f0-9]{2})+", repl_func, string, flags=re.IGNORECASE)

def repl_func_with_cache(match: re.Match, cache: Sequence[str]) -> str:
    seq = match.group()
    result = ""

i = 0
    l = len(seq)  # noqa: E741
    while i < l:
        b1 = int(seq[i + 1 : i + 3], 16)

if b1 < 0x80:
            result += cache[b1]
            i += 3  # emulate JS for loop statement3
            continue

if (b1 & 0xE0) == 0xC0 and (i + 3 < l):
            # 110xxxxx 10xxxxxx
            b2 = int(seq[i + 4 : i + 6], 16)

if (b2 & 0xC0) == 0x80:
                all_bytes = bytes((b1, b2))
                try:
                    result += all_bytes.decode()
                except UnicodeDecodeError:
                    result += "\ufffd" * 2

i += 3
                i += 3  # emulate JS for loop statement3
                continue

if (b1 & 0xF0) == 0xE0 and (i + 6 < l):
            # 1110xxxx 10xxxxxx 10xxxxxx
            b2 = int(seq[i + 4 : i + 6], 16)
            b3 = int(seq[i + 7 : i + 9], 16)

if (b2 & 0xC0) == 0x80 and (b3 & 0xC0) == 0x80:
                all_bytes = bytes((b1, b2, b3))
                try:
                    result += all_bytes.decode()
                except UnicodeDecodeError:
                    result += "\ufffd" * 3

i += 6
                i += 3  # emulate JS for loop statement3
                continue

if (b1 & 0xF8) == 0xF0 and (i + 9 < l):
            # 111110xx 10xxxxxx 10xxxxxx 10xxxxxx
            b2 = int(seq[i + 4 : i + 6], 16)
            b3 = int(seq[i + 7 : i + 9], 16)
            b4 = int(seq[i + 10 : i + 12], 16)

if (b2 & 0xC0) == 0x80 and (b3 & 0xC0) == 0x80 and (b4 & 0xC0) == 0x80:
                all_bytes = bytes((b1, b2, b3, b4))
                try:
                    result += all_bytes.decode()
                except UnicodeDecodeError:
                    result += "\ufffd" * 4

i += 9
                i += 3  # emulate JS for loop statement3
                continue

result += "\ufffd"
        i += 3  # emulate JS for loop statement3

return result