[Python] Operations concerning dropping file on PySide GUI

I would like to know if it's possible to get a file's path by dragging it and dropping it inside a window made with PySide6. If not, how would I got about reading its bytes (in case of images) or its contents (in case of txt).

I tried following the implemantation shown here (How to get dropped file names in PyQt/PySide), but I can't even drop the thing. What am I doing wrong?

Here's the logic of the main window:

class MainWin(QMainWindow):
def __init__(self):
super().__init__()
self.setAcceptDrops(True)

main_size = QSize(450,450)

self.setWindowTitle("Image Recoder/Decoder")
self.setFixedSize(QSize(500, 500))

self.file_zone = QPushButton()
self.file_zone.setFixedSize(main_size)
self.file_zone.setIcon(QIcon("drag drop.png"))
self.file_zone.setIconSize(main_size)
self.file_zone.setStyleSheet("QPushButton {border: 0px; background-color: transparent}")
self.file_zone.setCursor(QCursor(Qt.PointingHandCursor))
self.file_zone.clicked.connect(self.main_logic)
self.file_zone.setAcceptDrops(True)

self.main_layout = QVBoxLayout()
self.main_layout.addWidget(self.file_zone)
self.main_layout.setAlignment(Qt.AlignCenter)

container = QWidget()
container.setLayout(self.main_layout)

self.setCentralWidget(container)

def main_logic(self):
file_path = QFileDialog.getOpenFileName(self, filter="Images (*.png, *.jpg, *.jpeg);; Text (*.txt)")[0]
file_split = os.path.splitext(file_path)

if file_split[1] == ".txt":
with open(file_path, 'r') as f:
image_s = f.read()

with open(r"{}.jpeg".format(file_split[0]), "wb") as f:
f.write(base64.b64decode(image_s))
else:
with open(file_path, "rb") as f:
image = f.read()
image_s = str(base64.b64encode(image).decode("utf-8"))

with open(r"{}.txt".format(file_split[0]), "w") as f:
f.write(image_s)

def dragEnterEvent(self, event):
print('drag-enter')
if event.mimeData().hasUrls():
print('has urls')
event.accept()
else:
event.ignore()

def dropEvent(self, event):
lines = []
for url in event.mimeData().urls():
lines.append('dropped: %r' % url.toLocalFile())
print(lines)


Like this, the button won't even accept the drop. Doing self.file_zone.setAcceptDrops(True) doesn't chage it either

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