Accept single or multiple text args

Author: Ircama

README.md

@@ -37,7 +37,7 @@ usage: printlabel.py [-h] [-u] [-l] [-s] [-c] [-i FILE_NAME] [-M FILE_NAME] [-R
                      [--fill-color FILL] [--stroke-fill STROKE_FILL]
                      [--stroke-width STROKE_WIDTH] [--text-size MILLIMETERS]
                      [--white-level NUMBER] [--threshold NUMBER]
-                     COM_PORT FONT_NAME TEXT_TO_PRINT
+                     COM_PORT FONT_NAME TEXT_TO_PRINT [TEXT_TO_PRINT ...]
 
 positional arguments:
   COM_PORT              Printer COM port.

printlabel.py

@@ -27,6 +27,7 @@ def set_args():
     p.add_argument(
         'text_to_print',
         metavar='TEXT_TO_PRINT',
+        nargs='+',
         help='Text to be printed. UTF8 characters are accepted.'
     )
     p.add_argument(
@@ -235,11 +236,10 @@ def main():
         font_size = 0
         font_height = 0
         print_border = (height_of_the_image - height_of_the_printable_area) / 2
-        if args.text_to_print:
+        text = " ".join(args.text_to_print)
+        if text:
             if args.unicode:
-                text = args.text_to_print.encode().decode('unicode_escape')
-            else:
-                text = args.text_to_print
+                text = text.encode().decode('unicode_escape')
             stop = False
             while font_height != height_of_the_printable_area:
                 if font_height > height_of_the_printable_area: