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-rw-r--r--lib/python2.7/json/tool.py40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/python2.7/json/tool.py b/lib/python2.7/json/tool.py
new file mode 100644
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+++ b/lib/python2.7/json/tool.py
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+r"""Command-line tool to validate and pretty-print JSON
+
+Usage::
+
+ $ echo '{"json":"obj"}' | python -m json.tool
+ {
+ "json": "obj"
+ }
+ $ echo '{ 1.2:3.4}' | python -m json.tool
+ Expecting property name enclosed in double quotes: line 1 column 3 (char 2)
+
+"""
+import sys
+import json
+
+def main():
+ if len(sys.argv) == 1:
+ infile = sys.stdin
+ outfile = sys.stdout
+ elif len(sys.argv) == 2:
+ infile = open(sys.argv[1], 'rb')
+ outfile = sys.stdout
+ elif len(sys.argv) == 3:
+ infile = open(sys.argv[1], 'rb')
+ outfile = open(sys.argv[2], 'wb')
+ else:
+ raise SystemExit(sys.argv[0] + " [infile [outfile]]")
+ with infile:
+ try:
+ obj = json.load(infile)
+ except ValueError, e:
+ raise SystemExit(e)
+ with outfile:
+ json.dump(obj, outfile, sort_keys=True,
+ indent=4, separators=(',', ': '))
+ outfile.write('\n')
+
+
+if __name__ == '__main__':
+ main()