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From: Νίκος on 7 Aug 2010 15:37
On 7 Αύγ, 22:17, MRAB <pyt...(a)mrabarnett.plus.com> wrote:
> Νίκος wrote:
> > On 7 Αύγ, 21:24, MRAB <pyt...(a)mrabarnett.plus.com> wrote:
>
> >> Use group capture:
>
> >>      found = re.match(r'<!-- (\d+) -->', firstline).group(1)
> >>      print(page_id)
>
> > Worked like a charm! Thanks a lot!
>
> > So match method here not only searched for the string representation
> > of the number but also convert it to integer as well?
>
> > r stand for retrieve the string here?
>
> > and group?
>
> > Wehn a regex searched a .txt file when is retrieving something for it
> > always retrieve it as string right? or can get it as a number as well?
>
> The 'r' prefix makes it a 'raw string literal'. That means that the
> string literal won't treat backslashes as special. Before raw string
> literals were added to the Python language I would have needed to write:
>
>      '<!-- (\\d+) -->'
>
> instead.
>
> (Actually, that's not strictly true in this case, because \d doesn't
> have a special meaning Python strings, but it's a good idea to use raw
> string literals habitually when writing regexes in order to reduce the
> chance of forgetting them when they _are_ necessary. Well, that's what I
> think, anyway. :-))

Couln't agree more!

As the saying goes, better safe than sorry! :-)
From: Thomas Jollans on 7 Aug 2010 15:52
On 08/07/2010 09:36 PM, Νίκος wrote:
> cookie.has_key('visitor') != 'nikos'

This is always True. has_key returns a bool, which is never equal to any
string, even 'nikos'.
From: MRAB on 7 Aug 2010 16:07
Thomas Jollans wrote:
> On 08/07/2010 09:36 PM, Νίκος wrote:
>> cookie.has_key('visitor') != 'nikos'
>
> This is always True. has_key returns a bool, which is never equal to any
> string, even 'nikos'.

I missed that bit! :-)

Anyway, the OP said "the 'stuff' never gets executed". Kinda puzzling...
From: Νίκος on 7 Aug 2010 16:29
On 7 Αύγ, 22:52, Thomas Jollans <tho...(a)jollans.com> wrote:
> On 08/07/2010 09:36 PM, Νίκος wrote:
>
> > cookie.has_key('visitor') != 'nikos'
>
> This is always True. has_key returns a bool, which is never equal to any
> string, even 'nikos'.

if cookie.has_key('visitor') or re.search('cyta', host) is None:

adresses the problem :-)

Thanks alot Thomas and MRAB for ALL your help!
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