Merge branch '224-need-a-script-to-compress-pdf' into dev

scripts/quarto_publish/gs_compress_pdf.py

@@ -0,0 +1,43 @@
+import argparse
+import subprocess
+import sys
+
+def convert_pdf(input_file, output_file, settings='/screen', compatibility='1.4', debug=False):
+    command = [
+        'gs',
+        '-sDEVICE=pdfwrite',
+        '-dNOPAUSE',
+        '-dQUIET' if not debug else '-dQUIET=false',
+        '-dBATCH',
+        f'-dPDFSETTINGS={settings}',
+        f'-dCompatibilityLevel={compatibility}',
+        f'-sOutputFile={output_file}',
+        input_file
+    ]
+
+    if debug:
+        print(f"Running command: {' '.join(command)}")
+
+    try:
+        result = subprocess.run(command, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        if debug:
+            print(result.stdout.decode())
+    except subprocess.CalledProcessError as e:
+        print(f"Error: {e.stderr.decode()}", file=sys.stderr)
+        sys.exit(e.returncode)
+
+def main():
+    parser = argparse.ArgumentParser(description="Convert PDF using Ghostscript with various options.")
+    parser.add_argument('-i', '--input', required=True, help="Input PDF file")
+    parser.add_argument('-o', '--output', required=True, help="Output PDF file")
+    parser.add_argument('-s', '--settings', default='/screen', help="PDF settings (default: /screen)")
+    parser.add_argument('-c', '--compatibility', default='1.4', help="PDF compatibility level (default: 1.4)")
+    parser.add_argument('-d', '--debug', action='store_true', help="Enable debug mode")
+
+    args = parser.parse_args()
+
+    convert_pdf(args.input, args.output, settings=args.settings, compatibility=args.compatibility, debug=args.debug)
+
+if __name__ == "__main__":
+    main()
+