Remove ccurrency and adapt own crypto script

dotfiles/i3/blocks

@@ -61,21 +61,17 @@ DISK=/run/media/flyingscorpio/Backup
 [corona]
 interval=5
 
-[ccurrency]
-command=scripts/ccurrency -f USD
-interval=1800
-
 [crypto]
 command=scripts/crypto BTC
-interval=1800
+interval=900
 
 [crypto]
 command=scripts/crypto UCA -b EUR -r 5
-interval=1800
+interval=900
 
 [crypto]
 command=scripts/crypto BAT -r 5
-interval=1800
+interval=900
 
 [protonvpn]
 interval=5

dotfiles/i3/scripts/crypto

@@ -1,10 +1,21 @@
 #!/usr/bin/env python3
 
+"""Simple script for i3blocks to fetch crypto values from coinranking API.
+
+Author: flyingscorpio
+"""
+
 import argparse
 import requests
 
 
-def parse_arguments():
+def parse_arguments() -> argparse.Namespace:
+    """Arguments consist of:
+        * a coin to look up
+        * the currency to set the value on (defaults to USD)
+        * the number of decimals
+    """
+
     parser = argparse.ArgumentParser()
     parser.add_argument("coin")
     parser.add_argument("-b", "--base", default="USD")
@@ -13,7 +24,19 @@ def parse_arguments():
 
     return args
 
-def compute(args):
+
+def compute(args: argparse.Namespace) -> str:
+    """h"""
+
+    symbols = {
+        "GBP": "£",
+        "EUR": "€",
+        "USD": "$",
+        "BTC": "",
+        "LTC": "Ł",
+        "ETH": "Ξ",
+    }
+
     coin = args.coin.upper()
     base = args.base.upper()
     round_nb = args.round
@@ -23,13 +46,21 @@ def compute(args):
             base, coin
         )
     )
+
+    try:
+        coin = symbols[coin]
+    except KeyError:
+        pass
+
     req_j = req.json()
     data = req_j["data"]
     base_sign = data["base"]["sign"]
     coin_data = data["coins"][0]
     price = float(coin_data["price"])
 
-    return "{} = {}{}".format(coin, base_sign, round(price, round_nb))
+    output = "{} = {}{}".format(coin, base_sign, round(price, round_nb))
+
+    return output
 
 
 print(compute(parse_arguments()))