webp support

app.py

@@ -48,7 +48,7 @@ from functools import wraps
 
 app = Flask(__name__)
 app.config.from_object(Config)
-register_heif_opener() # pillow_heif dla HEIC
+register_heif_opener()  # pillow_heif dla HEIC
 
 ALLOWED_EXTENSIONS = {"png", "jpg", "jpeg", "gif", "webp", "heic"}
 SQLALCHEMY_ECHO = True
@@ -142,6 +142,7 @@ class Expense(db.Model):
     receipt_filename = db.Column(db.String(255), nullable=True)
     list = db.relationship("ShoppingList", backref="expenses", lazy=True)
 
+
 class Receipt(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     list_id = db.Column(db.Integer, db.ForeignKey("shopping_list.id"), nullable=False)
@@ -150,6 +151,7 @@ class Receipt(db.Model):
     shopping_list = db.relationship("ShoppingList", backref="receipts", lazy=True)
     filesize = db.Column(db.Integer, nullable=True)
 
+
 with app.app_context():
     db.create_all()
     from werkzeug.security import generate_password_hash
@@ -297,7 +299,6 @@ def delete_receipts_for_list(list_id):
                 print(f"Nie udało się usunąć pliku {filename}: {e}")
 
 
-
 # zabezpieczenie logowani do systemu - błędne hasła
 def is_ip_blocked(ip):
     now = time.time()
@@ -937,6 +938,7 @@ def upload_receipt(list_id):
 
 from datetime import datetime
 
+
 @app.route("/upload_receipt/<int:list_id>", methods=["POST"])
 def upload_receipt(list_id):
     if "receipt" not in request.files:
@@ -961,12 +963,15 @@ def upload_receipt(list_id):
             list_id=list_id,
             filename=webp_filename,
             filesize=filesize,
-            uploaded_at=uploaded_at
+            uploaded_at=uploaded_at,
         )
         db.session.add(new_receipt)
         db.session.commit()
 
-        if request.is_json or request.headers.get("X-Requested-With") == "XMLHttpRequest":
+        if (
+            request.is_json
+            or request.headers.get("X-Requested-With") == "XMLHttpRequest"
+        ):
             url = url_for("uploaded_file", filename=webp_filename)
             socketio.emit("receipt_added", {"url": url}, to=str(list_id))
             return jsonify({"success": True, "url": url})
@@ -977,7 +982,6 @@ def upload_receipt(list_id):
     return _receipt_error("Niedozwolony format pliku")
 
 
-
 @app.route("/uploads/<filename>")
 def uploaded_file(filename):
     response = send_from_directory(app.config["UPLOAD_FOLDER"], filename)
@@ -1198,6 +1202,7 @@ def delete_user(user_id):
     flash("Użytkownik usunięty", "success")
     return redirect(url_for("list_users"))
 
+
 @app.route("/admin/receipts/<id>")
 @login_required
 @admin_required
@@ -1250,7 +1255,6 @@ def delete_receipt(filename):
     return redirect(next_url or url_for("admin_receipts", id="all"))
 
 
-
 @app.route("/admin/delete_selected_lists", methods=["POST"])
 @login_required
 @admin_required
@@ -1286,7 +1290,11 @@ def edit_list(list_id):
         db.session.query(Item).filter_by(list_id=list_id).order_by(Item.id.desc()).all()
     )
 
-    receipts = Receipt.query.filter_by(list_id=list_id).order_by(Receipt.uploaded_at.desc()).all()
+    receipts = (
+        Receipt.query.filter_by(list_id=list_id)
+        .order_by(Receipt.uploaded_at.desc())
+        .all()
+    )
 
     if request.method == "POST":
         action = request.form.get("action")