uso de funções csv.DictReader() e csv.DictWriter() para ler e escrever ficheiros csv

crypto_portfolio.py

@@ -1,14 +1,33 @@
 import requests
 import time
-# import datetime
 
-baseURL = 'https://api.coingecko.com/api/v3/'
+base_url = 'https://api.coingecko.com/api/v3/'
 coin = 'bitcoin'
 vs_currency = 'eur'
-days = '30'
+days = '365'
 precision = '3'
+intervalo = 'daily'
 
-ohlc_endpoint = baseURL + 'coins/' + coin + '/ohlc?vs_currency=' + vs_currency + '&days=' + days + '&precision=' + precision
+historico_precos_header = [ 
+    "data",
+    "moeda",
+    "preco_abertura",
+    "preco_maximo",
+    "preco_minimo",
+    "preco_fecho"
+]
+
+portfolio_headers = [
+    "data",
+    "moeda",
+    "quantidade",
+    "movimento"
+]
+
+# https://api.coingecko.com/api/v3/coins/bitcoin/market_chart?vs_currency=eur&days=365&interval=daily
+url_historico_preco = base_url + 'coins/' + coin + '/market_chart?vs_currency=' + vs_currency + '&days=' + days + '&interval=' + intervalo + '&precision=' + precision
+# https://api.coingecko.com/api/v3/coins/bitcoin/ohlc?vs_currency=eur&days=30&precision=3
+url_preco_ohlc = base_url + 'coins/' + coin + '/ohlc?vs_currency=' + vs_currency + '&days=' + days + '&precision=' + precision
 
 APY_KEY = "CG-K5RS5VXsdFDip2UvY3z8VjQP"
 
@@ -17,17 +36,25 @@ headers = {
     'x-cg-demo-api-key': APY_KEY
 }
 
-#print(ohlc_endpoint)
+# tipo de pesquisa
+url_consulta = url_historico_preco
 
-response = requests.get(ohlc_endpoint, headers= headers)
+response = requests.get(url_consulta, headers= headers)
 
 if response.status_code == 200:
     data = response.json()
-    print(len(data))
-    date = time.ctime(data[0][0]/1000)
-    date_as_string = time.strftime("%d/%m/%Y", time.gmtime(data[0][0]/1000))
-    ohlc = [ data[0][1], data[0][2], data[0][3], data[0][4] ]
+    print(len(data['prices']))
+    #print(data)
+
+    for index in range(0, len(data['prices'])):
+        #date = time.ctime(data['prices'][index][0]/1000)
+        date_as_string = time.strftime("%d/%m/%Y", time.gmtime(data['prices'][index][0]/1000))
+        price = data['prices'][index][1]
+        print(f'{date_as_string} -> {price}')
+    
+    # ohlc = [ data[0][1], data[0][2], data[0][3], data[0][4] ]
+
+    # print(f'price of bitcoin in {date_as_string}:\nopen: {ohlc[0]}\nhigh: {ohlc[1]}\nlow: {ohlc[2]}\nclose: {ohlc[3]}')
 
-    print(f'price of bitcoin in {date_as_string}:\nopen: {ohlc[0]}\nhigh: {ohlc[1]}\nlow: {ohlc[2]}\nclose: {ohlc[3]}')
 else:
-    print('failed to retrive data')
+    print('failed to retrive data')