Referrer key missing form os.environ dictionary?

From	Νίκος <nikos.gr33k@gmail.com>
Newsgroups	comp.lang.python
Subject	Referrer key missing form os.environ dictionary?
Date	2013-09-25 15:45 +0300
Organization	A noiseless patient Spider
Message-ID	<l1ulsv$4mv$1@dont-email.me> (permalink)

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Hello, i decided am ong other os.environ variables to also grab the 
'HTTP_REFERER' fiel but when i try to run my script i was seeing a 
KeyError complaining that 'HTTP_REFERER' didnt exist.

So, to see what existed in the os.environ dictionary i issues a print( 
os.environ ) to see all available keys and their values:

environ({'SERVER_PORT': '80', 'REQUEST_URI': '/', 
'HTTP_ACCEPT_ENCODING': 'gzip,deflate,sdch', 'SERVER_ADDR': 
'84.200.17.58', 'DOCUMENT_ROOT': '/home/nikos/public_html', 
'HTTP_CONNECTION': 'keep-alive', 'SCRIPT_FILENAME': 
'/home/nikos/public_html/cgi-bin/metrites.py', 'SERVER_NAME': 
'superhost.gr', 'REMOTE_PORT': '58896', 'HTTP_ACCEPT': 
'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 
'HTTP_USER_AGENT': 'Mozilla/5.0 (Windows NT 6.2; WOW64) 
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.2 
Safari/537.36', 'HTTP_ACCEPT_LANGUAGE': 'en-US,en;q=0.8,el;q=0.6', 
'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_HOST': 'superhost.gr', 
'REDIRECT_URL': '/index.html', 'SERVER_PROTOCOL': 'HTTP/1.1', 
'SERVER_SIGNATURE': '
Apache/2.2.25 (Unix) mod_ssl/2.2.25 OpenSSL/1.0.0-fips 
mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 Server 
at superhost.gr Port 80
\n', 'HTTP_DNT': '1', 'REQUEST_METHOD': 'GET', 'QUERY_STRING': 
'file=/home/nikos/public_html/index.html', 'PATH': 
'/sbin:/usr/sbin:/bin:/usr/bin', 'HTTP_COOKIE': 'cf_use_ob=0; 
__cfduid=da37079bb377f13e9c50224189ab46ac71379783691866; 
__utma=210786583.1207352568.1379497319.1380099225.1380108255.32; 
__utmc=210786583; 
__utmz=210786583.1379497319.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)', 
'REMOTE_ADDR': '176.92.73.41', 'REDIRECT_QUERY_STRING': 
'file=/home/nikos/public_html/index.html', 'SERVER_SOFTWARE': 
'Apache/2.2.25 (Unix) mod_ssl/2.2.25 OpenSSL/1.0.0-fips 
mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635', 
'SERVER_ADMIN': 'webmaster@superhost.gr', 'SCRIPT_NAME': 
'/cgi-bin/metrites.py', 'REDIRECT_STATUS': '200'})


i dont see anywhere a refferer key so to catch it in a variable sting 
like this:

referrer = os.environ['HTTP_REFERER']

Do i miss something? its a suprise to me that the environ dictioanry has 
almost anythign but a referrer key.

I need your help please.

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Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 15:45 +0300
  Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 16:14 +0300
  Re: Referrer key missing form os.environ dictionary? Chris “Kwpolska” Warrick <kwpolska@gmail.com> - 2013-09-25 16:01 +0200
    Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 17:04 +0300
      Re: Referrer key missing form os.environ dictionary? John Gordon <gordon@panix.com> - 2013-09-25 14:26 +0000
        Re: Referrer key missing form os.environ dictionary? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-25 15:04 +0000
          Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 18:16 +0300
            Re: Referrer key missing form os.environ dictionary? Tim Chase <python.list@tim.thechases.com> - 2013-09-25 10:42 -0500
            Re: Referrer key missing form os.environ dictionary? Denis McMahon <denismfmcmahon@gmail.com> - 2013-09-25 21:17 +0000
        Re: Referrer key missing form os.environ dictionary? Ned Batchelder <ned@nedbatchelder.com> - 2013-09-25 11:09 -0400
      Re: Referrer key missing form os.environ dictionary? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-25 14:52 +0000
        Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 18:02 +0300
          Re: Referrer key missing form os.environ dictionary? Xaxa Urtiz <urtizvereaxaxa@gmail.com> - 2013-09-25 08:09 -0700
          Re: Referrer key missing form os.environ dictionary? Tim Chase <python.list@tim.thechases.com> - 2013-09-25 10:14 -0500
            Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 18:35 +0300
        Re: Referrer key missing form os.environ dictionary? Grant Edwards <invalid@invalid.invalid> - 2013-09-25 15:18 +0000
          Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 18:41 +0300
            Re: Referrer key missing form os.environ dictionary? John Gordon <gordon@panix.com> - 2013-09-25 16:27 +0000
            Re: Referrer key missing form os.environ dictionary? Grant Edwards <invalid@invalid.invalid> - 2013-09-25 18:37 +0000
          Re: Referrer key missing form os.environ dictionary? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-26 00:11 +0000
            Re: Referrer key missing form os.environ dictionary? Terry Reedy <tjreedy@udel.edu> - 2013-09-25 21:32 -0400
            Re: Referrer key missing form os.environ dictionary? Chris Angelico <rosuav@gmail.com> - 2013-09-26 13:25 +1000
              Re: Referrer key missing form os.environ dictionary? Grant Edwards <invalid@invalid.invalid> - 2013-09-26 14:16 +0000
            Re: Referrer key missing form os.environ dictionary? Robert Kern <robert.kern@gmail.com> - 2013-09-26 11:15 +0100
            Re: Referrer key missing form os.environ dictionary? Grant Edwards <invalid@invalid.invalid> - 2013-09-26 14:11 +0000
              Re: Referrer key missing form os.environ dictionary? Chris Angelico <rosuav@gmail.com> - 2013-09-27 01:17 +1000
                Re: Referrer key missing form os.environ dictionary? Grant Edwards <invalid@invalid.invalid> - 2013-09-26 23:27 +0000
                Re: Referrer key missing form os.environ dictionary? Chris Angelico <rosuav@gmail.com> - 2013-09-27 16:01 +1000
    Re: Referrer key missing form os.environ dictionary? Νίκος <nikos.gr33k@gmail.com> - 2013-09-25 17:07 +0300
      Re: Referrer key missing form os.environ dictionary? Robert Kern <robert.kern@gmail.com> - 2013-09-25 15:26 +0100
      Re: Referrer key missing form os.environ dictionary? John Gordon <gordon@panix.com> - 2013-09-25 14:30 +0000
      Re: Referrer key missing form os.environ dictionary? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-09-25 14:46 +0000
      Re: Referrer key missing form os.environ dictionary? Piet van Oostrum <piet@vanoostrum.org> - 2013-09-25 15:59 -0400
  Re: Referrer key missing form os.environ dictionary? John Gordon <gordon@panix.com> - 2013-09-25 14:18 +0000
    Re: Referrer key missing form os.environ dictionary? Tim Chase <python.list@tim.thechases.com> - 2013-09-25 09:58 -0500

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