A simple UI for displaying a photo

gui.py

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+# This module handles the GUI of coin
+import pytesseract
+import cv2, os, sys
+from PIL import Image
+import PyQt5
+from PyQt5.QtGui import *
+from PyQt5.QtCore import *
+from PyQt5.QtWidgets import *
+from PyQt5 import uic
+from PyQt5 import QtCore, QtGui, QtWidgets
+import glob
+
+# [!!!] Change this if tesseract can't find any data
+models_path = '/usr/share/tessdata/'
+
+# Automatically finds all available language models
+models_list = glob.glob(models_path + "*.traineddata")
+model_names = []
+for path in models_list:
+    base_name = os.path.basename(path)
+    base_name = os.path.splitext(base_name)[0]
+    model_names.append(base_name)
+
+
+class coin_app(QtWidgets.QMainWindow):
+    def __init__(self):
+        QtWidgets.QMainWindow.__init__(self)
+        self.ui = uic.loadUi('selector.ui', self)
+        self.image = None
+        self.ui.openButton.clicked.connect(self.open)
+
+    def open(self):
+        filename = QFileDialog.getOpenFileName(self, 'Select File')
+        print("Opening file: ", filename[0])
+        self.image = cv2.imread(str(filename[0]))
+
+        if self.image.size == 0:
+            print("Error: image is empty!")
+
+        frame = cv2.cvtColor(self.image, cv2.COLOR_BGR2RGB)
+        image = QImage(frame, frame.shape[1], frame.shape[0],
+                       frame.strides[0], QImage.Format_RGB888)
+
+        self.ui.photo.setPixmap(QPixmap.fromImage(image))
+        print("Updated photo")
+
+app = QtWidgets.QApplication(sys.argv)
+mainWindow = coin_app()
+mainWindow.show()
+sys.exit(app.exec_())