Add script to update manifest version from submodule.

scripts/update_manifest.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+
+#
+# Update plugin manifest.json from information contained in repository submodule
+#
+
+import os
+import sys
+import re
+import json
+
+# Community repository root
+REPO_ROOT = os.path.join(os.path.dirname(os.path.realpath(__file__)), "..")
+
+def get_plugin_version(plugin_path):
+    with open(os.path.join(plugin_path, "Makefile"), "r") as f:
+        version = [line for line in f.readlines() if "VERSION" in line][0]
+        return version.split("=")[1].split()[0].strip() # Ignore comments on line
+
+def write_plugin_version(manifest_path, version):
+    # Use OrderedDict to preserve key order in json file
+    from collections import OrderedDict
+    mj = None
+    with open(manifest_path, "r") as f:
+        mj = json.loads(f.read(), object_pairs_hook=OrderedDict)
+
+    with open(manifest_path, "w") as f:
+        mj["latestVersion"] = version
+        json.dump(mj, f, indent=2)
+
+def validate_version(version):
+    # Valid Rack plugin version has three digits, e.g. 0.6.0
+    return re.match(r"^[0-9]\.[0-9]\.[0-9]$", version)
+
+
+def main():
+    errors = False
+    for repo in os.listdir(os.path.join(REPO_ROOT, "repos")):
+        repo_path = os.path.join(REPO_ROOT, "repos", repo)
+        plugin_version = get_plugin_version(repo_path)
+        if (validate_version(plugin_version)):
+            manifest_path = os.path.join(REPO_ROOT, "manifests", repo+".json")
+            if os.path.exists(manifest_path):
+                write_plugin_version(manifest_path, plugin_version)
+            else:
+                print("[%s] Manifest does not exist" % repo)
+                errors = True
+                continue
+        else:
+            print("[%s] Invalid version: %s" % (repo, plugin_version))
+            errors = True
+            continue
+
+    return 0 if not errors else 1
+
+if __name__ == "__main__":
+    sys.exit(main())