add script to update .pyproject file

update-pyproject.py

+#!/usr/bin/env python3
+
+import argparse
+import fnmatch
+import json
+import os
+import re
+import sys
+
+def collect_files(paths, include_pat):
+    for top in paths:
+        if not os.path.isdir(top):
+            if not include_pat.match(top):
+                continue
+            yield top
+            continue
+
+        for root, _dirs, files in os.walk(top):
+            for f in files:
+                if not include_pat.match(f):
+                    continue
+                yield os.path.join(root, f)
+
+def dump_json(data, f):
+    json.dump(data, f, indent=4, sort_keys=True)
+    f.write('\n')
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument('-I', '--include', action='append')
+    ap.add_argument('-o', '--output')
+    ap.add_argument('paths', nargs='+')
+    args = ap.parse_args()
+    if args.include:
+        include_pat = re.compile('|'.join('(?:%s)' % fnmatch.translate(p)
+                                          for p in args.include))
+    else:
+        include_pat = re.compile(r'.*')
+    files = sorted(map(os.path.relpath, collect_files(args.paths, include_pat)))
+
+    data = {}
+    if args.output:
+        with open(args.output, 'r') as f:
+            data.update(json.load(f))
+    data['files'] = files
+    if args.output:
+        with open(args.output + '.new', 'w') as f:
+            dump_json(data, f)
+        os.rename(args.output + '.new', args.output)
+    else:
+        dump_json(data, sys.stdout)
+
+
+if __name__ == '__main__':
+    main()