Saving login credentials to file

checks.py

@@ -1,5 +1,6 @@
 import json
 import requests
+import datetime
 
 def getToken(data):#TODO add a timeout and try catch to all requests
     url = "https://api.thetvdb.com/login"
@@ -7,8 +8,12 @@ def getToken(data):#TODO add a timeout and try catch to all requests
         "Content-Type": "application/json",
         "Accept": "application/json"
     }
+    try:
+        response = requests.post(url, data=json.dumps(data), headers=headers)
+    except requests.exceptions.ConnectionError as e:
+        print("An error occurred. Please check your internet and try again.")
+        quit()
 
-    response = requests.post(url, data=json.dumps(data), headers=headers)
     if (checkStatus(response, True)):
         parsed_token = json.loads(response.content)
         token = parsed_token["token"]
@@ -25,3 +30,9 @@ def checkStatus(response, v):
         return False
     else:
         return True
+
+def checkTimestamp(saveTime, curTime):
+    if curTime - saveTime < datetime.timedelta(0, 86100, 0):# if less than 23h 55m since last token grab
+        return True
+    else:
+        return False

login.py

@@ -2,11 +2,12 @@ import json
 import os.path
 from checks import *
 import datetime
+import dateutil.parser
 
 def login():
     if os.path.exists("login.json") == False:
-        obj = open("login.json")
-        # obj.write()
+        obj = open("login.json", "w")
+        obj.write("")
         obj.close()
 
     if os.stat("login.json").st_size == 0:# Will only ask for credentials if the login file is empty
@@ -36,17 +37,29 @@ def login():
         }
 
         tmp_token = getToken(LOGIN_DATA)
+
         if tmp_token is "":
             print("Authentication failed. Please try again.")
         else:
-            with open("login.json") as json_data:
-                login["API_KEY"] = tmp_api_key
-                login["USER_KEY"] = tmp_user_key
-                login["USER_NAME"] = tmp_user_name
-                login["TOKEN"] = tmp_token
-                login["TIMESTAMP"] = datetime.datetime.now()
-                obj = open("login.json", "w")
-                obj.write(json.dumps(login))
-                obj.close()
+            login["API_KEY"] = tmp_api_key
+            login["USER_KEY"] = tmp_user_key
+            login["USER_NAME"] = tmp_user_name
+            login["TOKEN"] = tmp_token
+            login["TIMESTAMP"] = str(datetime.datetime.now().replace(tzinfo=None))
+            obj = open("login.json", "w")
+            obj.write(json.dumps(login))
+            obj.close()
+    else:# if login.json already exists
+
+        with open("login.json") as json_data:
+            login = json.load(json_data)
+            json_data.close()
+        saveTime = dateutil.parser.parse(login["TIMESTAMP"])
+        curTime = datetime.datetime.now().replace(tzinfo=None)
+
+        if checkTimestamp(saveTime, curTime):# token does not need refreshed
+            print("token is good")
+        else:
+            print("token needs refreshed")
 # TODO try to get token, if token fails, ask for login info again, if it passes save login details to login.py and save token with timestamp.
 # TODO at startup, check token for validity and remove it if it is expired