Files
AILab/bbit_ai/app/utils/MyUtils.py
T
2026-03-26 17:48:20 +08:00

157 lines
3.5 KiB
Python

import asyncio
import platform
import socket
import threading
from datetime import datetime
import psutil
import pytz
# 后台操作
def async_new_task(func, *args, **kwargs):
threading.Thread(target=func, args=args, kwargs=kwargs, daemon=True).start()
async def async_task(func, *args, **kwargs):
return await asyncio.to_thread(func, *args, **kwargs)
def format_datetime(dt: datetime, tz="Asia/Shanghai"):
if dt.tzinfo is None:
dt = pytz.UTC.localize(dt)
tz_obj = pytz.timezone(tz)
dt = dt.astimezone(tz_obj)
return dt.strftime("%Y-%m-%d %H:%M:%S")
def safe_round(value, ndigits=2, default=None):
return round(value, ndigits) if value is not None else default
def build_dept_tree(depts):
dept_map = {d["id"]: d for d in depts}
roots = []
for d in depts:
pid = d["pid"]
if pid and pid in dept_map:
dept_map[pid]["children"].append(d)
else:
# pid 为 0 或不存在 → 顶层
roots.append(d)
return roots
def build_menu_tree(items):
item_map = {item["id"]: item for item in items}
tree = []
for item in items:
pid = item["pid"]
if pid and pid in item_map:
item_map[pid]["children"].append(item)
else:
tree.append(item)
return tree
from uuid import UUID
def is_valid_uuid(value: str):
try:
UUID(value)
return True
except:
return False
def get_local_ip():
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(("8.8.8.8", 80))
ip = s.getsockname()[0]
s.close()
return ip
except Exception:
return "127.0.0.1"
def get_mac_address():
# 获取第一个网卡的 MAC
for iface, addrs in psutil.net_if_addrs().items():
for addr in addrs:
if addr.family == psutil.AF_LINK:
return addr.address
return "00:00:00:00:00:00"
def get_cpu_info():
return platform.processor()
def get_memory_total():
return psutil.virtual_memory().total
def get_disk_total():
return psutil.disk_usage("/").total
def translate_vehicle_type(vehicle_type: str) -> str:
mapping = {
"coupe": "双门跑车",
"largevehicle": "大型车辆",
"sedan": "三厢轿车",
"suv": "运动型多用途车",
"truck": "卡车",
"van": "面包车",
}
return mapping.get(vehicle_type.lower(), vehicle_type)
import re
def validate_plate(plate: str) -> str:
if not plate:
return "车速过快,无法识别"
plate = plate.strip().upper()
# 普通车牌(燃油)
normal_pattern = r"^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼][A-Z][A-Z0-9]{5}$"
# 新能源车
new_energy_pattern = r"^[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼][A-Z][A-Z0-9]{6}$"
# 武警车
wj_pattern = (
r"^WJ[京津沪渝冀豫云辽黑湘皖鲁新苏浙赣鄂桂甘晋蒙陕吉闽贵粤青藏川宁琼]?\d{5}$"
)
# 外交车
diplomatic_pattern = r"^(使|领)\d{5}$"
# 港澳车辆
hk_macau_pattern = r"^粤Z[A-Z0-9]{4}(港|澳)$"
patterns = [
normal_pattern,
new_energy_pattern,
wj_pattern,
diplomatic_pattern,
hk_macau_pattern,
]
for p in patterns:
if re.match(p, plate):
return plate
return "车速过快,无法识别"