Apply linting to web

src/web.py

@@ -1,10 +1,13 @@
+"""
+Manage all of the inputs from a web source
+"""
+
 import os
-from flask import flash
 from werkzeug.utils import secure_filename
 from task import TextTask, ImageTask, CutTask
 
 
-class Web(object):
+class Web:
     """Web is the class that gets all of the information from web calls
     ( API and Web page ) and provides checks before sending stuff to printing"""
 
@@ -65,16 +68,19 @@ class Web(object):
 
         return True
 
-    def login(self, username: str, password: str) -> bool:
+    # def login(self, username: str, password: str) -> bool:
-        """Not implemented"""
+    #     """Not implemented"""
-        return
+    #     return
 
-    def logout(self, username: str, password: str) -> bool:
+    # def logout(self, username: str, password: str) -> bool:
-        """Not implemented"""
+    #     """Not implemented"""
-        return
+    #     return
 
     def allowed_file(self, filename) -> bool:
-        self.app.logger.debug("Is the filename allowed ?")
+        """
+        Check if the file extension is allowed
+        """
+        self.app.logger.debug("Checking if the file extension is allowed")
         return (
             "." in filename
             and filename.rsplit(".", 1)[1].lower()
@@ -82,8 +88,11 @@ class Web(object):
         )
 
     def upload_file(self, image) -> bool:
+        """
+        Save the file after executing checks on it
+        """
         self.app.logger.debug("Validating file")
-        if image:
+        if not image is None or not image == "":
             if self.allowed_file(image.filename):
                 filename = secure_filename(image.filename)
                 self.app.logger.debug("File valid")
@@ -99,16 +108,10 @@ class Web(object):
                 )
                 return True
 
-            self.app.logger.error(
+        self.app.logger.error(
-                "Could not save file because the filename is forbidden"
+            "Could not save file because the filename is forbidden"
-            )
+        )
-            return False
+        return False
-
-        else:
-            self.app.logger.error(
-                "Could not save file, it seems to be null ? : " + str(filename)
-            )
-            return False
 
     def get_queue_state(self):
         """Return current queue state"""