add "jsonpatch" commandline utility

2 files changed, 44 insertions, 1 deletions

diff --git a/bin/jsonpatch b/bin/jsonpatch
new file mode 100755
index 0000000..20d5e35
--- /dev/null
+++ b/bin/jsonpatch
@@ -0,0 +1,42 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from __future__ import print_function
+
+import sys
+import os.path
+import json
+import jsonpatch
+import argparse
+
+
+parser = argparse.ArgumentParser(
+    description='Apply a JSON patch on a JSON files')
+parser.add_argument('ORIGINAL', type=argparse.FileType('r'),
+                    help='Original file')
+parser.add_argument('PATCH', type=argparse.FileType('r'),
+                    help='Patch file')
+parser.add_argument('--indent', type=int, default=None,
+                    help='Indent output by n spaces')
+parser.add_argument('-v', '--version', action='version',
+                    version='%(prog)s ' + jsonpatch.__version__)
+
+
+def main():
+    try:
+        patch_files()
+    except KeyboardInterrupt:
+        sys.exit(1)
+
+
+def patch_files():
+    """ Diffs two JSON files and prints a patch """
+    args = parser.parse_args()
+    doc = json.load(args.ORIGINAL)
+    patch = json.load(args.PATCH)
+    result = jsonpatch.apply_patch(doc, patch)
+    print(json.dumps(result, indent=args.indent))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/setup.py b/setup.py
index 0295377..20fa4b7 100644
--- a/setup.py
+++ b/setup.py
@@ -52,10 +52,11 @@ setup(name=PACKAGE,
       url=WEBSITE,
       py_modules=MODULES,
       package_data={'': ['requirements.txt']},
-      scripts=['bin/jsondiff'],
+      scripts=['bin/jsondiff', 'bin/jsonpatch'],
       entry_poimts = {
         'console_scripts': [
             'jsondiff = jsondiff:main',
+            'jsonpatch = jsonpatch:main',
         ]},
       **OPTIONS
 )