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To: python-list@python.org
From: Terry Jan Reedy <tjreedy@udel.edu>
Subject: Re: python script is not running
Date: Sat, 18 May 2013 12:35:19 -0400
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Xref: csiph.com comp.lang.python:45515

On 5/18/2013 6:12 AM, Avnesh Shakya wrote:
> hi,
>      i want to run python script which generating data into json fromat, I am using crontab, but it's not executing...
> my python code--
> try.py --
>
> import json
> import simplejson as json
> import sys
>
> def tryJson():
>      saved = sys.stdout
>      correctFile = file('data.json', 'a+')
>      sys.stdout = correctFile

Don't need to change stdout.

>      result = []
>      i = 1
>      for i in range(5):
>          info = {
>                  'a': i+1,
>                  'b': i+2,
>                  'c': i+3,
>                 }
>          result.append(info)

What is you want to add print result for debugging?

>      if result:
>          print json.dumps(result, indent=6)

Either use print >> correctFile, correctFile.write (do you really want 
the extra '\n' that print adds?), or, do the future import of print as 
function and pass correctFile as the file argument

>          sys.stdout = saved
>          correctFile.close()
> tryJson()