71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
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#!/usr/bin/env python3
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"""
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Currency conversions. BTC is handled separately from country currencies.
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Other crypto coins to be added someday.
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"""
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import requests
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from module import commands, example
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CUR_URI = "https://v3.exchangerate-api.com/bulk/{API_KEY}/{CUR_FROM}"
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BTC_URI = "https://api.coindesk.com/v1/bpi/currentprice/{CUR_TO}.json"
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@commands('cur', 'currency', 'exchange')
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@example('.cur 20 EUR to USD')
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def exchange(bot, trigger):
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"""Show the exchange rate between two currencies"""
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amount = trigger.group(3)
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cur_from = trigger.group(4)
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cur_to = trigger.group(5)
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if cur_to == "to":
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cur_to = trigger.group(6)
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if not all((amount, cur_to, cur_from)):
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return bot.reply("I didn't understand that. Try: .cur 20 EUR to USD")
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try:
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amount = float(amount)
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except ValueError:
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return bot.reply("Invalid amount. Must be number.")
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cur_to = cur_to.upper()
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cur_from = cur_from.upper()
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api_key = bot.config["currency"].get("api_key")
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url = URI.format(**{"API_KEY": api_key, "CUR_FROM": cur_from})
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res = requests.get(url, verify=True)
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res.raise_for_status()
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data = res.json()
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if data["result"] == "failed":
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return bot.reply("Invalid input currency. Must be ISO 4217 compliant.")
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rate = data["rates"].get(cur_to)
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if not rate:
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return bot.reply("Invalid output currency. Must be ISO 4217 compliant.")
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new_amount = round(rate*amount, 2)
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msg = f"\x0310{amount} {cur_from}\x03 = \x0312{new_amount} {cur_to}"
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bot.msg(msg)
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@commands('btc', 'bitcoin')
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@example('.btc EUR')
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def bitcoin(bot, trigger):
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"""
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Show the current bitcoin value in USD. Optional parameter allows non-USD
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conversion.
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"""
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cur_to = trigger.group(3)
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if not cur_to:
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cur_to = "USD"
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cur_to = cur_to.upper()
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url = BTC_URI.format(**{"CUR_TO": cur_to})
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res = requests.get(url, verify=True)
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if res.text.startswith("Sorry"):
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return bot.reply("Invalid currency type. Must be ISO 4217 compliant.")
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data = res.json()
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rate = data["bpi"][cur_to]["rate_float"]
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msg = f"\x03101 BTC\x03 = \x0312{rate} {cur_to}"
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bot.msg(msg)
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