PyQt – Load data from .txt file via Drag and Drop - qt

Question

I have a folder TreeView on the left layout and I want to drag a .txt file from there and drop it to the other layout. Hopefully, I want to load the data of that dropped file on a variable.
For the code’s needs, I used till now (to my “real” code) the np.loadtxt() to load the data, so I’d like to use it here too.
In case it matters, the .txt file contains 4 columns (coordinates).
I post my code. The program closes when I drop the file.
Thanks in advance!
import sys, time, os
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtCore import *
import numpy as np
import pylab as pl
import random
class Example(QMainWindow):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
self.central_widget = QWidget()
self.setCentralWidget(self.central_widget)
self.folderLayout = QWidget();
self.pathRoot = QDir.rootPath()
self.dirmodel = QFileSystemModel(self)
self.dirmodel.setRootPath(QDir.currentPath())
self.indexRoot = self.dirmodel.index(self.dirmodel.rootPath())
self.folder_view = QTreeView();
self.folder_view.setDragEnabled(True)
self.folder_view.setModel(self.dirmodel)
self.folder_view.setRootIndex(self.indexRoot)
self.selectionModel = self.folder_view.selectionModel()
self.left_layout = QVBoxLayout()
self.left_layout.addWidget(self.folder_view)
self.folderLayout.setLayout(self.left_layout)
splitter_filebrowser = QSplitter(Qt.Horizontal)
splitter_filebrowser.addWidget(self.folderLayout)
splitter_filebrowser.addWidget(Figure_Canvas(self))
splitter_filebrowser.setStretchFactor(1, 1)
hbox = QHBoxLayout(self)
hbox.addWidget(splitter_filebrowser)
self.centralWidget().setLayout(hbox)
self.setWindowTitle('Simple drag & drop')
self.setGeometry(750, 100, 600, 500)
class Figure_Canvas(QWidget):
def __init__(self, parent):
super().__init__(parent)
self.setAcceptDrops(True)
blabla = QLineEdit()
self.right_layout = QVBoxLayout()
self.right_layout.addWidget(blabla)
self.buttonLayout = QWidget()
self.buttonLayout.setLayout(self.right_layout)
def dragEnterEvent(self, e):
if e.mimeData().hasFormat('text/uri-list'):
e.accept()
else:
e.ignore()
def dropEvent(self, e):
print("something")
data = np.loadtxt(e.mimeData())
print(data)
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
ex.show()
app.exec_()