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Groups > comp.lang.python > #90066

Re: Writing list of dictionaries to CSV

Date 2015-05-06 19:08 +0100
From MRAB <python@mrabarnett.plus.com>
Subject Re: Writing list of dictionaries to CSV
References <5bd0afb3-d2d4-469f-be39-5869f01adc92@googlegroups.com> <072badd6-0542-468a-99bd-cc3a4ffc7156@googlegroups.com>
Newsgroups comp.lang.python
Message-ID <mailman.183.1430935742.12865.python-list@python.org> (permalink)

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On 2015-05-06 06:32, Kashif Rana wrote:
> Hello guys
>
> thanks for the feedback. I think its problem with excel itself, showing wrong value. Because when I opened the csv file in text editor, I can see correct value but opening in excel showing wrong value. What I can do to see correct in excel as well.
>
> Regards
>
You could tell it to quote any value that's not a number:

	w = csv.DictWriter(f, pol_keys, quoting=csv.QUOTE_NONNUMERIC)

It looks like all of the values you have are strings, so they'll all be
quoted.

I would hope that Excel will then treat it as a string; it would be
stupid if it didn't! :-)

> On Tuesday, May 5, 2015 at 9:09:40 PM UTC+4, Kashif Rana wrote:
>> Hello Experts
>>
>> When I am writing list of dictionaries to CSV file, the key 'schedule' has value 'Mar 2012' becomes Mar-12. I really do not have clue why thats happening. Below is the code.
>>
>> dic_1 = {'action': 'permit',
>>  'dst-address': 'maxprddb-scan-167, maxprddb-scan-168, maxprddb-scan-169',
>>  'from': 'DMZ Web',
>>  'id': '1000',
>>  'log': 'Enable, session-init',
>>  'name': 'Test Rule Temporary ',
>>  'service': '1521, Oraccle-Maximo-Scan-1550, PING-ALL',
>>  'src-address': 'sparkeregap1, sparkeregap2',
>>  'to': 'Trust'}
>>
>> dic_2 {'action': 'permit',
>>  'dst-address': 'sparkcas01, sparkcas02, email.ab.spark.net',
>>  'from': 'DMZ Web',
>>  'id': '4000',
>>  'log': 'Enable, session-init',
>>  'schedule': 'Mar 2012',
>>  'service': 'SMTP',
>>  'src-address': 'sparkeregap1, sparkeregap2',
>>  'to': 'Trust'}
>>
>>  my_list =
>>  [{'to': 'Trust', 'service': '1521, Oraccle-Maximo-Scan-1550, PING-ALL', 'from': 'DMZ Web', 'dst-address': 'maxprddb-scan-167, maxprddb-scan-168, maxprddb-scan-169', 'name': 'Test Rule Temporary ', 'action': 'permit', 'id': '1000', 'src-address': 'sparkeregap1, sparkeregap2', 'log': 'Enable, session-init'}, {'to': 'Trust', 'from': 'DMZ Web', 'dst-address': 'sparkcas01, sparkcas02, email.ab.spark.net', 'service': 'SMTP', 'schedule': 'Mar 2012', 'action': 'permit', 'id': '4000', 'src-address': 'sparkeregap1, sparkeregap2', 'log': 'Enable, session-init'}]
>>
>>  pol_keys = ['id', 'name', 'from', 'to', 'src-address', 'dst-address', 'service', 'action', 'nat_status', 'nat_type', 'nat_src_ip', 'nat_dst_ip', 'nat_dst_port', 'log', 'schedule']
>>
>> with open('test.csv', 'wb') as f:
>> 	w = csv.DictWriter(f, pol_keys)
>> 	w.writeheader()
>> 	w.writerows(my_list)
>

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Thread

Writing list of dictionaries to CSV Kashif Rana <kashifrana84@gmail.com> - 2015-05-05 10:09 -0700
  Re: Writing list of dictionaries to CSV MRAB <python@mrabarnett.plus.com> - 2015-05-05 19:11 +0100
  Re: Writing list of dictionaries to CSV Skip Montanaro <skip.montanaro@gmail.com> - 2015-05-05 13:25 -0500
  Re: Writing list of dictionaries to CSV Cecil Westerhof <Cecil@decebal.nl> - 2015-05-05 20:44 +0200
  Re: Writing list of dictionaries to CSV Matthew Ruffalo <mmr15@case.edu> - 2015-05-05 15:43 -0400
  Re: Writing list of dictionaries to CSV Tim Chase <python.list@tim.thechases.com> - 2015-05-05 12:34 -0500
  Re: Writing list of dictionaries to CSV Kashif Rana <kashifrana84@gmail.com> - 2015-05-05 22:32 -0700
    Re: Writing list of dictionaries to CSV Chris Angelico <rosuav@gmail.com> - 2015-05-06 16:34 +1000
    Re: Writing list of dictionaries to CSV Cecil Westerhof <Cecil@decebal.nl> - 2015-05-06 08:50 +0200
    Re: Writing list of dictionaries to CSV Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-05-06 09:14 -0400
    Re: Writing list of dictionaries to CSV MRAB <python@mrabarnett.plus.com> - 2015-05-06 19:08 +0100
    Re: Writing list of dictionaries to CSV Tim Chase <python.list@tim.thechases.com> - 2015-05-06 13:22 -0500
    Re: Writing list of dictionaries to CSV Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-06 12:27 -0600
    Re: Writing list of dictionaries to CSV Tim Chase <python.list@tim.thechases.com> - 2015-05-06 13:37 -0500
    Re: Writing list of dictionaries to CSV Denis McMahon <denismfmcmahon@gmail.com> - 2015-05-06 23:31 +0000
      Re: Writing list of dictionaries to CSV Tim Chase <python.list@tim.thechases.com> - 2015-05-06 20:22 -0500
      Re: Writing list of dictionaries to CSV Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-05-07 01:55 +0000
      Re: Writing list of dictionaries to CSV [correction] Tim Chase <python.list@tim.thechases.com> - 2015-05-06 20:52 -0500

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