0.0.1 init, main page prepare

BaseModels/currency_exchange/nbrb/nbrb_currency_exchange.py

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+import requests
+import json
+from datetime import datetime, timedelta
+from BaseModels.mailSender import techSendMail
+from GeneralApp.temp_data_funcs import *
+
+
+def get_nbrb_currency_id_by_currency_code(code):
+    data = requests.get('https://www.nbrb.by/api/exrates/currencies')
+
+    json_data = json.loads(data.content)
+
+    for item in json_data:
+        if 'Cur_Abbreviation' in item and item['Cur_Abbreviation'] == code:
+            return item['Cur_Code']
+
+    return None
+
+
+def get_nbrb_rate_by_currency_code(code, date=None):
+    # if code == 'BYN':
+    #     return 1
+    #
+    # tmp_rec = get_tmp_data('currency_rate', code)
+    # if tmp_rec and tmp_rec.json_data:
+    #     # если с момента последнего импорта прошло меньше 30 минут - забираем курс из базы
+    #     if datetime.strptime(tmp_rec.json_data['DT'], '%d.%m.%Y %H:%M') + timedelta(minutes=30) > datetime.now():
+    #         return tmp_rec.json_data['rate']
+
+    # currency_id = get_nbrb_currency_id_by_currency_code('USD')
+    rate = None
+    res = None
+    req_str = None
+
+    try:
+
+        msg = f'get_nbrb_rate_by_currency_code'
+        print(msg)
+
+        if not date:
+            # data = requests.get('https://www.nbrb.by/API/ExRates/Rates/{0}?Periodicity=0'.format(str(currency_id)))
+            req_str = 'https://www.nbrb.by/api/exrates/rates/{0}?parammode=2'.format(str(code))
+        else:
+            date_str = datetime.now().strftime('%Y-%m-%d')
+            date_str = date_str.replace('-0', '-')
+            req_str = 'https://www.nbrb.by/api/exrates/rates/{0}?parammode=2&ondate={1}'.format(
+                str(code),
+                date_str
+            )
+        e = None
+        try:
+            msg = f'GET {req_str}'
+            print(msg)
+            res = requests.get(req_str, timeout=3)
+            msg = f'answer received = {str(res)}'
+            print(msg)
+        except Exception as e:
+            msg = f'Exception GET {req_str} = {str(e)} ({str(res)})'
+            print(msg)
+            res = None
+
+        if not res and res != 200:
+            # if tmp_rec:
+            #     rate = tmp_rec.json_data['rate']
+            # else:
+            #     rate_Dict = {
+            #         'rate': 1,
+            #         'DT': datetime.now().strftime('%d.%m.%Y %H:%M')
+            #     }
+            #     create_or_update_tmp_data('currency_rate', code, rate_Dict)
+            #     rate = 1
+
+            msg = '<b style="color : red;">!!!!! --- get_nbrb_rate_by_currency_code requests GET error={0}</b><br>{1}<br>{2}<br>rate set = {3}'.format(
+                str(e),
+                str(res),
+                str(req_str),
+                str(rate)
+            )
+            print(msg)
+            techSendMail(msg, 'tE get_nbrb_rate_by_currency_code error')
+
+        data = json.loads(res.content)
+
+        if data and 'Cur_OfficialRate' in data and 'Cur_Scale' in data:
+            rate = data['Cur_OfficialRate'] / data['Cur_Scale']
+
+            rate_Dict = {
+                'rate': rate,
+                'DT': datetime.now().strftime('%d.%m.%Y %H:%M')
+            }
+
+            create_or_update_tmp_data('currency_rate', code, rate_Dict)
+
+    except Exception as e:
+        msg = '<b style="color : red;">!!!!! --- get_nbrb_rate_by_currency_code error={0}</b><br>{1}<br>{2}'.format(
+            str(e),
+            str(res),
+            str(req_str)
+        )
+        print(msg)
+        techSendMail(msg, 'tE get_nbrb_rate_by_currency_code error')
+
+        # if not res:
+        #     rate_Dict = {
+        #         'rate': 1,
+        #         'DT': datetime.now().strftime('%d.%m.%Y %H:%M')
+        #     }
+        #     create_or_update_tmp_data('currency_rate', code, rate_Dict)
+        #     return 1
+
+    if rate:
+        msg = f'get nbrb nb rate = {rate}'
+        print(msg)
+
+    return rate