Files
MoviePilot/app/foundation/temporal.py
T

112 lines
3.5 KiB
Python

"""日期、时间戳和时长的无状态转换能力。"""
import bisect
import datetime
from typing import Any, Optional, Union
import dateparser
import dateutil.parser
def format_approx_duration(seconds: Union[str, int, float]) -> str:
"""把秒数格式化为单一最大单位的近似时长。"""
try:
seconds = float(seconds)
except (TypeError, ValueError):
return ""
thresholds = [(0, "秒"), (60 - 1, "分"), (3600 - 1, "小时"), (86400 - 1, "天")]
index = bisect.bisect_left(
[threshold for threshold, _unit in thresholds], seconds
) - 1
if index == -1:
return str(seconds)
threshold, unit = thresholds[index]
return f"{round(seconds / (threshold + 1))}{unit}"
def format_duration(seconds: Union[str, int, float]) -> str:
"""把秒数格式化为时分秒组合文本。"""
hours = seconds // 3600
remainder_seconds = seconds % 3600
minutes = remainder_seconds // 60
seconds = remainder_seconds % 60
result = f"{int(seconds)}秒"
if minutes:
result = f"{int(minutes)}{result}"
if hours:
result = f"{int(hours)}{result}"
return result
def parse_datetime(value: Any) -> Optional[datetime.datetime]:
"""将常见日期表达解析为 datetime,无法解析时返回 None。"""
try:
return dateutil.parser.parse(value)
except (TypeError, ValueError, dateutil.parser.ParserError):
return None
def normalize_datetime(value: str) -> str:
"""把常见绝对或相对日期文本统一为本地日期时间格式。"""
if not value:
return value
try:
parsed = dateparser.parse(value)
return parsed.strftime("%Y-%m-%d %H:%M:%S") if parsed else value
except (TypeError, ValueError, OverflowError):
return value
def format_timestamp(timestamp: str, date_format: str = "%Y-%m-%d %H:%M:%S") -> str:
"""把 Unix 时间戳转换为指定格式的本地日期文本。"""
if isinstance(timestamp, str) and not timestamp.isdigit():
return timestamp
try:
return datetime.datetime.fromtimestamp(int(timestamp)).strftime(date_format)
except (TypeError, ValueError, OverflowError, OSError):
return timestamp
def parse_timestamp(value: str) -> float:
"""把日期表达转换为 Unix 时间戳,无法解析时返回零。"""
if not value:
return 0
try:
parsed = dateparser.parse(value)
return parsed.timestamp() if parsed else 0
except (TypeError, ValueError, OverflowError):
return 0
def format_minutes(minutes: int) -> str:
"""把分钟数格式化为小时和分钟组合文本。"""
if not minutes:
return ""
hours, remaining_minutes = divmod(minutes, 60)
if hours:
return f"{hours}小时{remaining_minutes}分"
return f"{remaining_minutes}分钟"
def format_remaining(value: str) -> str:
"""把本地日期时间文本格式化为距当前时间的剩余时长。"""
if not value:
return ""
try:
target = datetime.datetime.strptime(value, "%Y-%m-%d %H:%M:%S")
except ValueError:
return value
difference = target - datetime.datetime.now()
seconds = difference.seconds
days = difference.days
hours = seconds // 3600
minutes = (seconds % 3600) // 60
if days > 0:
return f"{days}{hours}小时{minutes}分钟"
if hours > 0:
return f"{hours}小时{minutes}分钟"
if minutes > 0:
return f"{minutes}分钟"
return ""