Files
2025-11-18 02:28:47 +08:00

51 lines
1.4 KiB
Python

# -*- coding: utf-8 -*-
"""数据类型解析器"""
from datetime import datetime
from decimal import Decimal, ROUND_HALF_UP
from dateutil import parser as dtparser
from zoneinfo import ZoneInfo
class TypeParser:
"""类型解析工具"""
@staticmethod
def parse_timestamp(s: str, tz: ZoneInfo) -> datetime | None:
"""解析时间戳"""
if not s:
return None
try:
dt = dtparser.parse(s)
if dt.tzinfo is None:
return dt.replace(tzinfo=tz)
return dt.astimezone(tz)
except Exception:
return None
@staticmethod
def parse_decimal(value, scale: int = 2) -> Decimal | None:
"""解析金额"""
if value is None:
return None
try:
d = Decimal(str(value))
return d.quantize(Decimal(10) ** -scale, rounding=ROUND_HALF_UP)
except Exception:
return None
@staticmethod
def parse_int(value) -> int | None:
"""解析整数"""
if value is None:
return None
try:
return int(value)
except Exception:
return None
@staticmethod
def format_timestamp(dt: datetime | None, tz: ZoneInfo) -> str | None:
"""格式化时间戳"""
if not dt:
return None
return dt.astimezone(tz).strftime("%Y-%m-%d %H:%M:%S")