Login somewhat works, token file doesn't

.gitignore

@@ -2,3 +2,4 @@ python34/
 junk/
 __pycache__/
 config.toml
+.qcstoken

contentapi.py

@@ -43,11 +43,11 @@ class ApiContext:
         if response.status_code == 200:
             return response.json()
         elif response.status_code == 400:
-            raise BadRequestError("Bad request: %s" % response.content)
+            raise BadRequestError("Bad request: %s" % response.text)
         elif response.status_code == 401:
             raise AuthenticationError("Your token is bad!")
         elif response.status_code == 404:
-            raise NotFoundError("Could not find content!")
+            raise NotFoundError("Not found: %s" % response.text)
         else:
             raise Exception("Unknown error (%s) - %s" % (response.status_code, response.content))
     
@@ -65,10 +65,13 @@ class ApiContext:
         response = requests.post(url, headers = self.gen_header(), json = data)
         return self.parse_response(response)
 
-    # Connect to the API to determine if your token is still valid. 
-    def is_token_valid(self):
+    # Connect to the API to determine if your token is still valid. Or, if you pass a token,
+    # check if only the given token is valid
+    def is_token_valid(self, token = False):
+        if not token:
+            token = self.token
         try:
-            return self.token and self.get("user/me")
+            return token and self.get("user/me")
         except Exception as ex:
             self.logger.debug("Error from endpoint: %s" % ex)
             return False

main.py

@@ -56,15 +56,18 @@ def authenticate(config, context: contentapi.ApiContext):
     if os.path.isfile(config["tokenfile"]):
         with open(config["tokenfile"], 'r') as f:
             token = f.read()
-        if context.is_token_valid():
+        logging.debug("Token from file: " + token)
+        if context.is_token_valid(token):
             context.token = token
             logging.info("Logged in using token file " + config["tokenfile"])
             return
         else:
             message = "Token file expired"
     
+    message += ", Please enter login for " + config["api"]
+
     while True:
-        print(message + ", Please enter login for " + config["api"])
+        print(message)
         username = input("Username: ")
         password = getpass.getpass("Password: ")
         try:
@@ -73,8 +76,10 @@ def authenticate(config, context: contentapi.ApiContext):
                 f.write(token)
             logging.info("Token accepted, written to " + config["tokenfile"])
             context.token = token
+            return
         except Exception as ex:
-            print("ERROR: Could not login: %s" % ex)
+            print("ERROR: %s" % ex)
+            message = "Please try logging in again:"
 
 
 # Because python reasons