83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
import re
|
|
from functools import lru_cache
|
|
from typing import TYPE_CHECKING
|
|
from urllib.parse import urlparse
|
|
from urllib.parse import urlunparse
|
|
|
|
import dateparser
|
|
from django.utils import timezone
|
|
|
|
if TYPE_CHECKING:
|
|
from datetime import datetime
|
|
from urllib.parse import ParseResult
|
|
|
|
TWITCH_BOX_ART_HOST = "static-cdn.jtvnw.net"
|
|
TWITCH_BOX_ART_PATH_PREFIX = "/ttv-boxart/"
|
|
TWITCH_BOX_ART_SIZE_PATTERN: re.Pattern[str] = re.compile(
|
|
r"-(\{width\}|\d+)x(\{height\}|\d+)(?=\.[A-Za-z0-9]+$)",
|
|
)
|
|
|
|
|
|
def is_twitch_box_art_url(url: str) -> bool:
|
|
"""Return True when the URL points at Twitch's box art CDN."""
|
|
if not url:
|
|
return False
|
|
|
|
parsed: ParseResult = urlparse(url)
|
|
return parsed.netloc == TWITCH_BOX_ART_HOST and parsed.path.startswith(
|
|
TWITCH_BOX_ART_PATH_PREFIX,
|
|
)
|
|
|
|
|
|
def normalize_twitch_box_art_url(url: str) -> str:
|
|
"""Normalize Twitch box art URLs to remove size suffixes for higher quality.
|
|
|
|
Example:
|
|
https://static-cdn.jtvnw.net/ttv-boxart/65654_IGDB-120x160.jpg
|
|
-> https://static-cdn.jtvnw.net/ttv-boxart/65654_IGDB.jpg
|
|
|
|
Args:
|
|
url: The Twitch box art URL to normalize.
|
|
|
|
Returns:
|
|
The normalized Twitch box art URL without size suffixes.
|
|
"""
|
|
if not url:
|
|
return url
|
|
|
|
parsed: ParseResult = urlparse(url)
|
|
if parsed.netloc != TWITCH_BOX_ART_HOST:
|
|
return url
|
|
|
|
if not parsed.path.startswith(TWITCH_BOX_ART_PATH_PREFIX):
|
|
return url
|
|
|
|
normalized_path: str = TWITCH_BOX_ART_SIZE_PATTERN.sub("", parsed.path)
|
|
return str(urlunparse(parsed._replace(path=normalized_path)))
|
|
|
|
|
|
@lru_cache(maxsize=40 * 40 * 1024)
|
|
def parse_date(value: str) -> datetime | None:
|
|
"""Parse a datetime string into a timezone-aware datetime using dateparser.
|
|
|
|
Args:
|
|
value: The datetime string to parse.
|
|
|
|
Returns:
|
|
A timezone-aware datetime object or None if parsing fails.
|
|
"""
|
|
dateparser_settings: dict[str, bool | int] = {
|
|
"RETURN_AS_TIMEZONE_AWARE": True,
|
|
"CACHE_SIZE_LIMIT": 0,
|
|
}
|
|
dt: datetime | None = dateparser.parse(
|
|
date_string=value,
|
|
settings=dateparser_settings, # pyright: ignore[reportArgumentType]
|
|
)
|
|
if not dt:
|
|
return None
|
|
|
|
# Ensure aware in Django's current timezone
|
|
if timezone.is_naive(dt):
|
|
dt = timezone.make_aware(dt, timezone.get_current_timezone())
|
|
return dt
|