scripts: Add 'archive' script

scripts/archive

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+#
+# Copyright 2020 Parity authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+#
+# This script generates a release archive based on the release manifest.
+#
+# Run this script as follows:
+#
+#   ./scripts/archive parity-<version>.zip < ./scripts/archive.txt
+#
+
+import os.path
+import sys
+import zipfile
+
+if len(sys.argv) != 2:
+    sys.exit('Usage: {} <filename>'.format(os.path.basename(sys.argv[0])))
+
+filename = sys.argv[1]
+
+filenames = [line.strip() for line in sys.stdin if not line.startswith('#')]
+
+prefix, _ = os.path.splitext(filename)
+
+with zipfile.ZipFile(filename, 'w', zipfile.ZIP_DEFLATED) as outfile:
+    for filename in filenames:
+        try:
+            outfile.write(filename, os.path.join(prefix, filename))
+        except OSError as e:
+            sys.exit('error: {}: {}'.format(filename, e.strerror))