Referrer key missing form os.environ dictionary?
Piet van Oostrum
piet at vanoostrum.org
Wed Sep 25 15:59:56 EDT 2013
Νίκος <nikos.gr33k at gmail.com> writes:
> Στις 25/9/2013 5:01 μμ, ο/η Chris “Kwpolska” Warrick έγραψε:
>> On Wed, Sep 25, 2013 at 2:45 PM, Νίκος <nikos.gr33k at gmail.com> wrote:
>>> 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:
>>
>> The Referer header is not mandatory by any means. Your client
>> probably does not send it.
>>
> But one other problem appeared too:
>
> nikos at superhost.gr [~/www/cgi-bin]# python metrites.py
> File "metrites.py", line 27
> host = socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] or
> UnKnown Host'
> ^
> SyntaxError: invalid syntax
>
>
> i dont see anything wrong with that line, and the carret is actually
> pointing to the "host".
There is an apostrophe (') missing before UnKnown.
host = socket.gethostbyaddr( os.environ['REMOTE_ADDR'] )[0] or 'UnKnown Host'
--
Piet van Oostrum <piet at vanoostrum.org>
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
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