Added script for generating Symbolator diagrams

Signed-off-by: Grzegorz Latosinski <glatosinski@antmicro.com>

scripts/python-skywater-pdk/skywater_pdk/generate_symbolator_plots.py

@@ -0,0 +1,95 @@
+import sys
+import symbolator
+import argparse
+from pathlib import Path
+import errno
+import contextlib
+import traceback
+
+
+@contextlib.contextmanager
+def redirect_argv(args):
+    sys._argv = sys.argv
+    sys.argv = args
+    yield
+    sys.argv = sys._argv
+
+
+def main(argv):
+    parser = argparse.ArgumentParser(prog=argv[0])
+    parser.add_argument(
+        'libraries_dir',
+        help='Path to the libraries directory of skywater-pdk',
+        type=Path
+    )
+    parser.add_argument(
+        'output_dir',
+        help='Path to the output directory',
+        type=Path
+    )
+    parser.add_argument(
+        '--libname',
+        help='Library name to generate the Symbolator diagrams for',
+        type=str
+    )
+    parser.add_argument(
+        '--version',
+        help='Version for which the Symbolator diagrams should be generated',
+        type=str
+    )
+    parser.add_argument(
+        '--create-dirs',
+        help='Create directories for output when not present',
+        action='store_true'
+    )
+
+    args = parser.parse_args(argv[1:])
+
+    libraries_dir = args.libraries_dir
+
+    symbol_v_files = libraries_dir.rglob('*.symbol.v')
+
+    for symbol_v_file in symbol_v_files:
+        if args.libname and args.libname != symbol_v_file.parts[1]:
+            continue
+        if args.version and args.version != symbol_v_file.parts[2]:
+            continue
+
+        print(f'===> {str(symbol_v_file)}')
+        libname = symbol_v_file.parts[1]
+        out_filename = (args.output_dir /
+                        symbol_v_file.resolve()
+                        .relative_to(libraries_dir.resolve()))
+        out_filename = out_filename.with_suffix('.svg')
+        out_dir = out_filename.parent
+
+        if not out_dir.exists():
+            if args.create_dirs:
+                out_dir.mkdir(parents=True)
+            else:
+                print(f'The output directory {str(out_dir)} is missing')
+                print('Run the script with --create-dirs to make directories')
+                return errno.ENOENT
+
+        if out_filename.exists():
+            print(f'The {out_filename} already exists')
+            return errno.EEXIST
+
+        arguments = (f'--libname {libname} --title -t -o {out_filename}' +
+                     f' --output-as-filename -i {str(symbol_v_file)}' +
+                     ' --format svg')
+        with redirect_argv(arguments.split(' ')):
+            try:
+                symbolator.main()
+            except Exception:
+                print(
+                    f'Failed to run: symbolator {arguments}',
+                    file=sys.stderr
+                )
+                print('Error message:\n', file=sys.stderr)
+                traceback.print_exc()
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))