1 files changed, 56 insertions, 0 deletions
diff --git a/src/py/libcamera/gen-py-formats.py b/src/py/libcamera/gen-py-formats.py
new file mode 100755
index 00000000..0ff1d12a
--- /dev/null
+++ b/src/py/libcamera/gen-py-formats.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Generate Python format definitions from YAML
+
+import argparse
+import string
+import sys
+import yaml
+
+
+def generate(formats):
+    fmts = []
+
+    for format in formats:
+        name, format = format.popitem()
+        fmts.append(f'\t\t.def_readonly_static("{name}", &libcamera::formats::{name})')
+
+    return {'formats': '\n'.join(fmts)}
+
+
+def fill_template(template, data):
+    with open(template, encoding='utf-8') as f:
+        template = f.read()
+
+    template = string.Template(template)
+    return template.substitute(data)
+
+
+def main(argv):
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-o', dest='output', metavar='file', type=str,
+                        help='Output file name. Defaults to standard output if not specified.')
+    parser.add_argument('input', type=str,
+                        help='Input file name.')
+    parser.add_argument('template', type=str,
+                        help='Template file name.')
+    args = parser.parse_args(argv[1:])
+
+    with open(args.input, encoding='utf-8') as f:
+        formats = yaml.safe_load(f)['formats']
+
+    data = generate(formats)
+    data = fill_template(args.template, data)
+
+    if args.output:
+        with open(args.output, 'w', encoding='utf-8') as f:
+            f.write(data)
+    else:
+        sys.stdout.write(data)
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))