from decimal import Decimal
from pint import UnitRegistry
from core.builtins import Bot
from core.component import module
# ureg = UnitRegistry(os.path.dirname(os.path.abspath(__file__)) +
# '/default_bi_zh-cn_en.txt', non_int_type=Decimal)
ureg = UnitRegistry(non_int_type=Decimal)
i = module('convert', alias=['conv', 'unit'], desc='{convert.help.desc}',
developers=['Dianliang233'], support_languages=['en_us'])
@i.command('<from_val> <to_unit> {{convert.help}}')
async def _(msg: Bot.MessageSession, from_val: str, to_unit: str):
try:
ori = ureg.parse_expression(from_val)
res = ureg.parse_expression(from_val).to(to_unit)
except BaseException:
await msg.finish(msg.locale.t("convert.message.error"))
await msg.finish(f"{ori:~Pg} = {res:~Pg}")