New Demo - Base64 Image Encoder - encodes a folder full of PNGs

DemoPrograms/Demo_Base64_Image_Encoder.py

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+import PySimpleGUI as sg
+import os
+import base64
+
+'''
+    Base64 Encoder - encodes a folder of PNG files and creates a .py file with definitions
+'''
+
+OUTPUT_FILENAME = 'output.py'
+
+def main():
+    # folder = r'C:\Python\PycharmProjects\GooeyGUI\Uno Cards'
+    folder=''
+    folder = sg.PopupGetFolder('Source folder for images\nImages will be encoded and results saved to %s'%OUTPUT_FILENAME,
+                               title='Base64 Encoder',
+                               default_path=folder, initial_folder=folder )
+
+    if folder is None or folder == '':
+        sg.PopupCancel('Cancelled - No valid folder entered')
+        return
+    try:
+        namesonly = [f for f in os.listdir(folder) if f.endswith('.png')]
+    except:
+        sg.PopupCancel('Cancelled - No valid folder entered')
+        return
+
+    outfile = open(os.path.join(folder, OUTPUT_FILENAME), 'w')
+
+    for i, file in enumerate(namesonly):
+        contents = open(os.path.join(folder, file), 'rb').read()
+        encoded = base64.b64encode(contents)
+        outfile.write(f'{file[:file.index(".")]} = {encoded}\n')
+        sg.OneLineProgressMeter('Base64 Encoding', i+1, len(namesonly),key='_METER_')
+
+    outfile.close()
+    sg.Popup('Completed!', 'Encoded %s files'% i)
+
+
+if __name__ == '__main__':
+    main()