iShotaBot/defs/exchange.py

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from init import request
class Exchange:
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API = "https://cdn.jsdelivr.net/npm/@fawazahmed0/currency-api@latest/v1/"
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def __init__(self):
self.inited = False
self.data = {}
self.currencies = []
async def refresh(self):
try:
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req = await request.get(self.API + "currencies.json")
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data = req.json()
self.currencies.clear()
for key in list(enumerate(data)):
self.currencies.append(key[1].upper())
self.currencies.sort()
self.inited = True
except Exception:
pass
async def check_ex(self, message):
tlist = message.text.split()
if not 2 < len(tlist) < 5:
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return "help"
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elif len(tlist) == 3:
num = 1.0
FROM = tlist[1].upper().strip()
TO = tlist[2].upper().strip()
else:
try:
num = float(tlist[1])
if len(str(int(num))) > 10:
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return "ValueBig"
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if len(str(num)) > 15:
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return "ValueSmall"
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except ValueError:
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return "ValueError"
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FROM = tlist[2].upper().strip()
TO = tlist[3].upper().strip()
if self.currencies.count(FROM) == 0:
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return "FromError"
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if self.currencies.count(TO) == 0:
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return "ToError"
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endpoint = self.API + f"currencies/{FROM.lower()}.json"
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try:
req = await request.get(endpoint)
rate_data = req.json()
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rate = rate_data[FROM.lower()][TO.lower()]
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return (
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f"{num} {FROM} = <b>{round(num * rate, 2)} {TO}</b>\n"
f"Rate: <b>{round(1.0 * rate, 6)}</b>"
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)
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except Exception as e:
print(e)
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return "请求 API 发送错误。"
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exchange_client = Exchange()