p4 bitcoin api request json sys

Author: XinyuP

problemSet4/bitcoin/bitcoin.py

@@ -0,0 +1,114 @@
+import sys
+import requests
+import json
+
+def main():
+    if len(sys.argv) == 2:
+        try:
+            n = float(sys.argv[1])
+        except ValueError:
+            sys.exit("Command-line argument is not a number")
+        else:
+            url = "https://api.coindesk.com/v1/bpi/currentprice.json"
+            cost = get_cost(n, url)
+            print(f"${cost:,.4f}")
+    else:
+        sys.exit("Missing command-line argument")
+
+
+def get_cost(n, url):
+    try:
+        res = requests.get(url)
+        res.raise_for_status()
+    except requests.exceptions.HTTPError as e:
+        print('Http Error:', e)
+    except requests.RequestException as e:
+        print("RequestException:", e)
+    except:
+        print("Error")
+    else:
+        try:
+            data = (res.json())
+        except requests.exceptions.JSONDecodeError:
+            sys.exit("JSONDecodeError")
+        # print(json.dumps(data, indent=2))
+        cost = data["bpi"]["USD"]["rate_float"] * n
+        return cost
+
+
+
+if __name__ == "__main__":
+    main()
+
+
+
+
+# {
+#   "time": {
+#     "updated": "Dec 23, 2023 13:07:00 UTC",
+#     "updatedISO": "2023-12-23T13:07:00+00:00",
+#     "updateduk": "Dec 23, 2023 at 13:07 GMT"
+#   },
+#   "disclaimer": "This data was produced from the CoinDesk Bitcoin Price Index (USD). Non-USD currency data converted using hourly conversion rate from openexchangerates.org",
+#   "chartName": "Bitcoin",
+#   "bpi": {
+#     "USD": {
+#       "code": "USD",
+#       "symbol": "$",
+#       "rate": "43,752.8579",
+#       "description": "United States Dollar",
+#       "rate_float": 43752.8579
+#     },
+#     "GBP": {
+#       "code": "GBP",
+#       "symbol": "£",
+#       "rate": "36,559.5381",
+#       "description": "British Pound Sterling",
+#       "rate_float": 36559.5381
+#     },
+#     "EUR": {
+#       "code": "EUR",
+#       "symbol": "€",
+#       "rate": "42,621.6715",
+#       "description": "Euro",
+#       "rate_float": 42621.6715
+#     }
+#   }
+# }
+
+
+
+"""
+{
+  "time": {
+    "updated": "Dec 23, 2023 13:07:00 UTC",
+    "updatedISO": "2023-12-23T13:07:00+00:00",
+    "updateduk": "Dec 23, 2023 at 13:07 GMT"
+  },
+  "disclaimer": "This data was produced from the CoinDesk Bitcoin Price Index (USD). Non-USD currency data converted using hourly conversion rate from openexchangerates.org",
+  "chartName": "Bitcoin",
+  "bpi": {
+    "USD": {
+      "code": "USD",
+      "symbol": "$",
+      "rate": "43,752.8579",
+      "description": "United States Dollar",
+      "rate_float": 43752.8579
+    },
+    "GBP": {
+      "code": "GBP",
+      "symbol": "£",
+      "rate": "36,559.5381",
+      "description": "British Pound Sterling",
+      "rate_float": 36559.5381
+    },
+    "EUR": {
+      "code": "EUR",
+      "symbol": "€",
+      "rate": "42,621.6715",
+      "description": "Euro",
+      "rate_float": 42621.6715
+    }
+  }
+}
+"""