From 85cbe1d1285964f2ef5b6c882180a2fd851355ab Mon Sep 17 00:00:00 2001
From: Johannes Schauer Marin Rodrigues <josch@mister-muffin.de>
Date: Sun, 16 Oct 2022 14:14:40 +0200
Subject: [PATCH] factor out argparse.ArgumentParser to allow for generating
 completions via shtab

---
 src/img2pdf.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/img2pdf.py b/src/img2pdf.py
index cc30e7c..6c58ea5 100755
--- a/src/img2pdf.py
+++ b/src/img2pdf.py
@@ -3766,7 +3766,7 @@ def gui():
     app.mainloop()
 
 
-def main(argv=sys.argv):
+def get_main_parser():
     rendered_papersizes = ""
     for k, v in sorted(papersizes.items()):
         rendered_papersizes += "    %-8s %s\n" % (papernames[k], v)
@@ -4329,8 +4329,11 @@ and left/right, respectively. It is not possible to specify asymmetric borders.
         action="store_true",
         help="Instruct the PDF viewer to open the PDF in fullscreen mode",
     )
+    return parser
 
-    args = parser.parse_args(argv[1:])
+
+def main(argv=sys.argv):
+    args = get_main_parser().parse_args(argv[1:])
 
     if args.verbose:
         logging.basicConfig(level=logging.DEBUG)