Formatting a column's value output

Κώστας Παπαδόπουλος nikos.gr33k at gmail.com
Mon Jan 28 10:44:43 CET 2013


Τη Κυριακή, 27 Ιανουαρίου 2013 10:50:33 μ.μ. UTC+2, ο χρήστης Mitya Sirenef έγραψε:
> On 01/27/2013 03:24 PM, οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½ οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½ wrote:
> 
> > οΏ½οΏ½ οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½, 27 οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½ 2013  9:12:16 οΏ½.οΏ½. UTC+2, οΏ½ οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½ ru... at yahoo.com οΏ½οΏ½οΏ½οΏ½οΏ½οΏ½:
> 
>  >> <python code>
> 
>  >
> 
>  > Yes indeed, there is no need to use a loop since i know the exact 
> 
> number of items i'am expecting. Thanks you very much for clarifying this 
> 
> to me:
> 
>  > One last thing i want to ask you:
> 
>  >
> 
>  > ========================================
> 
>  > try:
> 
>  > cur.execute( '''SELECT host, userOS, browser, hits, lastvisit FROM 
> 
> visitors
> 
>  > WHERE counterID = (SELECT ID FROM counters WHERE URL = %s) ORDER BY 
> 
> lastvisit DESC''', (htmlpage,) )
> 
>  > except MySQLdb.Error, e:
> 
>  > print ( "Query Error: ", sys.exc_info()[1].excepinfo()[2] )
> 
>  > else:
> 
>  > data = cur.fetchall()
> 
>  >
> 
>  > for host, useros, browser, hits, lastvisit in data:
> 
>  > print ( "<tr>" )
> 
>  >
> 
>  > for item in host, useros, browser, hits, lastvisit.strftime('%A %e 
> 
> %b, %H:%M').decode('cp1253').encode('utf8'):
> 
>  > print ( "<td><center><b><font color=white> %s </td>" % item )
> 
>  >
> 
>  > sys.exit(0)
> 
>  > =======================================
> 
>  >
> 
>  > That would be also written as:
> 
>  >
> 
>  > for row in data:
> 
>  > print ("tr>")
> 
>  > for item in row:
> 
>  > print( "blah blah blah" )
> 
>  >
> 
>  > And that would make the code easier to read and more clear, but its 
> 
> that 'lastvisit' column's value than needs formating,hence it makes me 
> 
> use the above syntax.
> 
>  >
> 
>  > Is there any simpler way to write the above working code without the 
> 
> need to specify all of the columns' names into the loop?
> 
> 
> 
> 
> 
> You can write:
> 
> 
> 
>   for row in data:
> 
>       print ("tr>")
> 
>       row = list(row)
> 
>       row[-1] = row[-1].strftime(...)
> 
>       for item in row:
> 
>           print( "blah blah blah" )
> 
> 
> 
> 
> 
>   - mitya
> 
> 
> 
> 
> 
> -- 
> 
> Lark's Tongue Guide to Python: http://lightbird.net/larks/
> 
> 
> 
> The existence of any evil anywhere at any time absolutely ruins a total
> 
> optimism.  George Santayana


Thank you very much, your solution makes the code looks so much clearer!



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