Initial commit

LICENSE

@@ -0,0 +1,20 @@
+Copyright © 2012 Thomas Nyman
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -0,0 +1,29 @@
+csv2json
+========
+
+`csv2json` is simple wrapper script around the Python standard library `csv` and
+`json` modules for converting CSV formatted data to JSON.
+
+Synopsis
+--------
+    csv2json [OPTION...] [FILE]
+
+Description
+-----------
+
+The `csv2json` script reads CSV formatted data and outputs it into an JSON array
+of objects. The values in the first row of the CSV data will be used as
+fieldnames.
+
+Options
+-------
+
+Mandatory arguments for long options are mandatory for short options too
+
+      -o, --outfile=OUTFILE  write output to OUTFILE
+      -h, --help             show this help message and exit
+
+Examples
+--------
+    csv2json < in.csv > out.json
+    csv2json -o out.json in.csv

bin/csv2json

@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+# encoding: utf-8
+import csv
+import json
+import sys
+from optparse import OptionParser
+
+def main():
+    """Handles command line option parsing and csv2json procedure invocation."""
+    usage = "usage: %prog [OPTION...] [FILE]"
+    parser = OptionParser(usage)
+
+    parser.add_option('-o', '--outfile',
+                      dest='outfile',
+                      help='write output to OUTFILE')
+
+    (options, args) = parser.parse_args()
+
+    try:
+        infile = open(args[0], 'r') if len(args) > 0 else sys.stdin
+        outfile = open(options.outfile, 'w') if options.outfile != None else sys.stdout
+
+        csv2json(infile, outfile)
+
+    except IOError as e:
+        parser.error("I/O error({0}): {1}: {2}".format(e.errno, args[0], e.strerror))
+
+    finally:
+        if infile: infile.close()
+        if outfile: outfile.close()
+
+def csv2json(infile, outfile):
+    """
+    Reads CSV formatted data from infile and writes JSON formatted data to outfile.
+
+    :infile: Input CSV file
+    :outfile: Output JSON file
+    :returns: None
+    """
+    reader = csv.DictReader(infile)
+    json.dump([row for row in reader], fp=outfile)
+
+if __name__ == '__main__':
+    main()

setup.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+# encoding: utf-8
+from distutils.core import setup
+
+setup(name='csv2json',
+      description='CSV to JSON conversion utility.',
+      author='Thomas Nyman',
+      author_email='thomas.nyman@cs.helsinki.fi',
+      url='http://github.com/thomasnyman/csv2json',
+      scripts=['bin/csv2json']
+)