Experimental python bmp converter (3-colours to 2-colours)

experimental

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+""" Experimental python script for converting a 3-colour bmp to a 2-colour bmp for use with 2-colour E-Paper displays. 
+Please use at your own risk.
+
+To use the converter, input a folder path containing the bmps that require converting (input folder)
+and then specify an output folder for the converted bmps.
+Lastly, replace the original bmp files with the converted ones and reboot to start the E-Paper software with the new bmps.
+That's all
+
+Copyright by Ace-Laboratory
+"""
+
+import glob, os, errno
+from PIL import Image
+import PIL.ImageOps
+#--------------only change the following two lines-----------------#
+path = '/home/pi/Desktop/input/'
+path2 = '/home/pi/Desktop/output/'
+#-----------------no need to change anything below----------------#
+
+imagenames = []
+
+os.chdir(path) #folder containg files
+for files in glob.glob("*.bmp"): #find bmp files
+    imagenames.append(files) #add these files to a list
+
+print('Found these files:', imagenames) #print this list
+print('attempting to convert images to useful ones')
+
+try:
+    os.makedirs('/home/pi/Desktop/images/converted')
+except OSError as e:
+    if e.errno != errno.EEXIST:
+        raise
+for files in imagenames:
+    (PIL.ImageOps.posterize(Image.open(path+files), 1).save(path2+files))
+    
+print('All done!')
+print('You can find your converted files in: ',path2)