Refactored to functional style to increase reusability

.gitignore

@@ -163,3 +163,5 @@ pip-selfcheck.json
 *.code-workspace
 
 # End of https://www.toptal.com/developers/gitignore/api/python,vscode,venv
+
+sent.txt

requirements.txt

@@ -0,0 +1,13 @@
+autopep8==1.5.5
+certifi==2020.12.5
+chardet==4.0.0
+idna==2.10
+pycodestyle==2.6.0
+PyJWT==1.7.1
+python-dotenv==0.15.0
+pytz==2021.1
+requests==2.25.1
+six==1.15.0
+toml==0.10.2
+twilio==6.53.0
+urllib3==1.26.3

scrape.py

@@ -4,43 +4,73 @@ import os
 from sys import exit
 from pathlib import Path
 from dotenv import load_dotenv
+import logging
 
 load_dotenv(verbose=True)
 
 api_url = 'https://www.boden.co.uk/api/stock/v1/styles?market=UK&language=en-gb&id=y1357'
-website_url = 'https://www.boden.co.uk/en-gb/rainbow-3-in-1-printed-jacket/sty-y1357'
+item_id = '40263442' # 40263447 low stock, 40263442 12-18m
-# 40263447 low stock
-# 40263442 12-18m
-item_id = '40263442'
 message_sent_file = './sent.txt'
+msg_to = '+447557447469'
+website_url = 'https://www.boden.co.uk/en-gb/rainbow-3-in-1-printed-jacket/sty-y1357'
 
 
-if os.path.isfile(message_sent_file):
+def get_logger(log_level=logging.WARN):
-    print("We have already sent SMS")
+    log = logging.getLogger(__name__)
+    log.setLevel(logging.WARN)
+    log_handler = logging.StreamHandler()
+    log_handler.setFormatter(logging.Formatter('[%(filename)s:(%(lineno)d)] %(levelname)s >>  %(message)s'))
+    log.addHandler(log_handler)
+
+    return log
+
+
+def get_json_from_url(url: str) -> dict:
+    r = requests.get(url)
+    return r.json()
+
+
+def send_sms(to: str, msg: str):
+    account_sid = os.environ['TWILIO_ACCOUNT_SID']
+    auth_token = os.environ['TWILIO_AUTH_TOKEN']
+    messaging_sid = os.environ['TWILIO_MESSAGE_SID']
+    client = Client(account_sid, auth_token)
+
+    message = client.messages.create(
+        messaging_service_sid=messaging_sid,
+        body=msg,
+        to=to
+    )
+
+    log = logging.getLogger(__name__)
+    log.debug(message.sid)
+
+def stop_if_previous_action(lock_file: str):
+    if os.path.isfile(lock_file):
+        log = logging.getLogger(__name__)
+        log.info("Script has already run it's action before")
         exit()
 
-r = requests.get(api_url)
+def action_taken(lock_file):
-j = r.json()
+    Path(lock_file).touch()
+
+def main(log):
+    # This script runs once, to avoid spamming SMS every time run
+    stop_if_previous_action(message_sent_file)
+
+    j = get_json_from_url(api_url)
 
     for id in j['Y1357']:
         if id['edp'] == item_id:
             if id['stockStatus'] == 'OutOfStock':
-            print(f"Item is out of stock")
+                log.info(f"Item is out of stock")
             else:
-            print(f"Item is in stock")
+                log.info(f"Item is in stock")
-            # Your Account Sid and Auth Token from twilio.com/console
+                send_sms(msg_to, 'The coat is in stock at ' + website_url)
-            # and set the environment variables. See http://twil.io/secure
-            account_sid = os.environ['TWILIO_ACCOUNT_SID']
-            auth_token = os.environ['TWILIO_AUTH_TOKEN']
-            client = Client(account_sid, auth_token)
 
-            client = Client(account_sid, auth_token) 
+                # Prevents it being run again
+                action_taken(message_sent_file)
 
-            message = client.messages.create(  
+if __name__ == '__main__':
-                              messaging_service_sid='MG18978bd18247c16cc39d743251106813', 
+    log = get_logger(logging.WARN)
-                              body='The coat is in stock at ' + website_url,      
+    main(log)
-                              to='+447557447469' 
-                          ) 
- 
-            print(message.sid)
-            Path(message_sent_file).touch()