genesis_util: Implement two new utilities

programs/genesis_util/python_format.py

@@ -0,0 +1,14 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+import sys
+
+if len(sys.argv) < 3:
+    print("syntax: "+sys.argv[0]+" INFILE OUTFILE")
+    sys.exit(0)
+
+with open(sys.argv[1], "r") as infile:
+    genesis = json.load(infile)
+with open(sys.argv[2], "w") as outfile:
+    json.dump(genesis, outfile, indent=2, sort_keys=True)

programs/genesis_util/upgrade_members.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+
+import argparse
+import json
+import re
+import sys
+
+def dump_json(obj, out, pretty):
+    if pretty:
+        json.dump(obj, out, indent=2, sort_keys=True)
+    else:
+        json.dump(obj, out, separators=(",", ":"), sort_keys=True)
+    return
+
+re_init = re.compile(r"^init[0-9]+$")
+
+def load_names(infile):
+    names = set()
+    for line in infile:
+        if '#' in line:
+            line = line[:line.index('#')]
+        line = line.strip()
+        if line == "":
+            continue
+        names.add(line)
+    return names
+
+def main():
+    parser = argparse.ArgumentParser(description="Remove entities from snapshot")
+    parser.add_argument("-o", "--output", metavar="OUT", default="-", help="output filename (default: stdout)")
+    parser.add_argument("-i", "--input", metavar="IN", default="-", help="input filename (default: stdin)")
+    parser.add_argument("-n", "--names", metavar="NAMES", default="", help="file containing names to upgrade")
+    parser.add_argument("-p", "--pretty", action="store_true", default=False, help="pretty print output")
+    opts = parser.parse_args()
+
+    if opts.input == "-":
+        genesis = json.load(sys.stdin)
+    else:
+        with open(opts.input, "r") as f:
+            genesis = json.load(f)
+
+    if opts.names == "-":
+        names = load_names(sys.stdin)
+    else:
+        with open(opts.names, "r") as f:
+            names = load_names(f)
+
+    for account in genesis["initial_accounts"]:
+        if account["name"] in names:
+            account["is_lifetime_member"] = True
+
+    if opts.output == "-":
+        dump_json( genesis, sys.stdout, opts.pretty )
+        sys.stdout.flush()
+    else:
+        with open(opts.output, "w") as f:
+            dump_json( genesis, f, opts.pretty )
+    return
+
+if __name__ == "__main__":
+    main()