Hexchat cryptowatch plugin

cryptowatch_api.py

import urllib.request
import hexchat
import json
import time

__module_name__ = "Cryptowat.ch API query"
__module_version__ = "1.65"
__module_description__ = "Answer market price when you type /kraken or trigger !kraken !bitstamp !coinbase ..."
__author__ = "tpruvot"

__url_api__ = "https://api.cryptowat.ch"
__fiat_currencies__ = ["AUD","BRL","CAD","CHF","CNY","EUR","GBP","HKD","IDR","ILS","INR","JPY","KRW","MXN","RUB","BUSD","DAI","USD","USDC","USDT"]

__cache__ = {}
_cache_ts = 0

full_name = "%s v%s by %s" % (__module_name__, __module_version__, __author__)
help_hook = "\"/kraken [FIAT]\" will send btc price in channel. \"/kraken list\" to list markets."

def price_query(words, word_eol, userdata):
	exchange = words[0].lower()
	if exchange[:1] in ['/','!']:
		exchange = exchange[1:]
	if exchange == "coinbase":
		exchange = "coinbase-pro"
	currency = "BTC"
	base = "USD"

	if exchange == "btc":
		exchange = "coinbase-pro"
	elif len(words) == 2:
		base = words[1]
	elif len(words) == 3:
		currency = words[1]
		base = words[2]

	url = __url_api__ + "/markets/" + exchange + "/" + currency.lower() + base.lower() + "/price"

	global __cache__ # no more useful
	global _cache_ts
	if (time.time() - _cache_ts > 3):
		request = urllib.request.Request(url)
		try:
			response = urllib.request.urlopen(request);
		except IOError as e:
			if hasattr(e, 'code'):
				hexchat.prnt("An error occured, HTTP code %d was returned." % e.code)
				hexchat.prnt("%s" % url)
			return hexchat.EAT_ALL

		try:
			data = json.loads(response.read().decode())
			__cache__ = data['result']
			_cache_ts = time.time()
		except JSONDecodeError as e:
			hexchat.prnt("JSON error %s at %d " % (e.msg, e.lineno))
			if _cache_ts == 0:
				return hexchat.EAT_ALL

	result = __cache__

	# reduce /say output
	if exchange == "coinbase-pro":
		exchange = "coinbase"

	# markets/.../.../price
	price_field = 'price'
	if price_field in result:
		price = float(result['price'])
		if price > 10 and base.upper() in __fiat_currencies__:
			hexchat.command("say %s %s price: %.2f %s" % (exchange, currency.upper(), price, base.upper()))
		else:
			hexchat.command("say %s %s price: %.8f %s" % (exchange, currency.upper(), price, base.upper()))
		return hexchat.EAT_ALL

	return hexchat.EAT_ALL

def chan_trigger(params, word_eol, userdata):
	if params[1].find('!BTC') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!kraken') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!bitfinex') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!binance') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!bitstamp') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!bittrex') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!coinbase') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)
	if params[1].find('!poloniex') != -1:
		price_query(params[1].rstrip().split(' '), word_eol, userdata)

hexchat.hook_command("BTC", price_query, help=help_hook)
hexchat.hook_command("kraken", price_query, help=help_hook)
hexchat.hook_command("bitfinex", price_query, help=help_hook)
hexchat.hook_command("binance", price_query, help=help_hook)
hexchat.hook_command("bitstamp", price_query, help=help_hook)
hexchat.hook_command("bittrex", price_query, help=help_hook)
hexchat.hook_command("coinbase", price_query, help=help_hook)
hexchat.hook_command("poloniex", price_query, help=help_hook)
hexchat.hook_print("Channel Message", chan_trigger)
# hexchat.hook_print("Private Message", chan_trigger)
hexchat.hook_print("Private Message to Dialog", chan_trigger) # test to myself

# load cache
# price_query(["kraken","EUR"], "\n", 0)

hexchat.prnt(full_name + " loaded.")