A simple UI for displaying a photo

.gitignore

@@ -1 +1,2 @@
-downloaded_files/
+downloaded_files/
+testing/

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_())

selector.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1280</width>
+    <height>720</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Droid Sans Mono</family>
+    <pointsize>12</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>coin</string>
+  </property>
+  <property name="autoFillBackground">
+   <bool>true</bool>
+  </property>
+  <property name="tabShape">
+   <enum>QTabWidget::Rounded</enum>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QPushButton" name="openButton">
+    <property name="geometry">
+     <rect>
+      <x>680</x>
+      <y>20</y>
+      <width>121</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Open image</string>
+    </property>
+   </widget>
+   <widget class="QScrollArea" name="imageView">
+    <property name="geometry">
+     <rect>
+      <x>20</x>
+      <y>20</y>
+      <width>651</width>
+      <height>671</height>
+     </rect>
+    </property>
+    <property name="verticalScrollBarPolicy">
+     <enum>Qt::ScrollBarAlwaysOn</enum>
+    </property>
+    <property name="horizontalScrollBarPolicy">
+     <enum>Qt::ScrollBarAlwaysOn</enum>
+    </property>
+    <property name="widgetResizable">
+     <bool>true</bool>
+    </property>
+    <widget class="QWidget" name="scrollAreaWidgetContents">
+     <property name="geometry">
+      <rect>
+       <x>0</x>
+       <y>0</y>
+       <width>635</width>
+       <height>655</height>
+      </rect>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <widget class="QLabel" name="photo">
+        <property name="text">
+         <string>Photo</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignCenter</set>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </widget>
+   <widget class="QPushButton" name="saveButton">
+    <property name="geometry">
+     <rect>
+      <x>970</x>
+      <y>20</y>
+      <width>171</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Save to database</string>
+    </property>
+   </widget>
+   <widget class="QPushButton" name="getNameButton">
+    <property name="geometry">
+     <rect>
+      <x>810</x>
+      <y>20</y>
+      <width>151</width>
+      <height>31</height>
+     </rect>
+    </property>
+    <property name="text">
+     <string>Get item names</string>
+    </property>
+   </widget>
+   <widget class="QTableView" name="itemsTable">
+    <property name="geometry">
+     <rect>
+      <x>685</x>
+      <y>61</y>
+      <width>581</width>
+      <height>631</height>
+     </rect>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>