Strange Problem

Victor Subervi victorsubervi at gmail.com
Wed Dec 23 05:10:09 EST 2009


On Tue, Dec 22, 2009 at 5:14 PM, Dave Angel <davea at ieee.org> wrote:

> Victor Subervi wrote:
>
>> Hi;
>> I have the following code:
>>
>>  print 'printTheForm: ', descrProds, '<br />'
>>  for value in descrProds:
>>    print 'value: ', value, '<br />'
>>
>> which prints this:
>>
>> printTheForm: [['ID', 'tinyint', '5', '0', None], ['SKU', 'varchar', '40',
>> '', None], ['Category', 'varchar', '40', '', None], ['Name', 'varchar',
>> '50', '', None], ['Title', 'varchar', '100', '', None], ['Description',
>> 'mediumtext', '100', '', None], ['Price', 'float', '8', '0.0', None],
>> ['SortFactor', 'int', '4', '0', None], ['Availability', 'tinyint', '1',
>> '0',
>> '1'], ['OutOfStock', 'tinyint', '1', '0', '0'], ['ShipFlatFee', 'float',
>> '5', '0.0', '0.00'], ['ShipPercentPrice', 'tinyint', '2', '0', '0'],
>> ['ShipPercentWeight', 'tinyint', '2', '0', '0'], ['Associations',
>> 'varchar',
>> '40', '', None], ['TempPrice', 'tinyint', '1', '0', None],
>> ['LastDatePrice',
>> 'date', '10', 'yyyy/mm/dd', None], ['Weight', 'float', '7', '0.0', None],
>> ['Metal', 'enum', ['14k gold', '18k gold', 'white gold', 'silver',
>> 'tungsten', 'titanium'], '', None], ['PercentMetal', 'tinyint', '2', '0',
>> None], ['colorsShadesNumbersShort', 'set', [''], '', None]]
>> value: ['ID', 'tinyint', '5', '0', None]
>> value: ['SKU', 'varchar', '40', '', None]
>> value: ['Category', 'varchar', '40', '', None]
>> value: ['Name', 'varchar', '50', '', None]
>> value: ['Title', 'varchar', '100', '', None]
>> value: ['Description', 'mediumtext', '100', '', None]
>> value: ['Price', 'float', '8', '0.0', None]
>> value: ['SortFactor', 'int', '4', '0', None]
>> value: ['Availability', 'tinyint', '1', '0', '1']
>> value: ['OutOfStock', 'tinyint', '1', '0', '0']
>> value: ['ShipFlatFee', 'float', '5', '0.0', '0.00']
>> value: ['ShipPercentPrice', 'tinyint', '2', '0', '0']
>> value: ['ShipPercentWeight', 'tinyint', '2', '0', '0']
>> value: ['Associations', 'varchar', '40', '', None]
>> value: ['TempPrice', 'tinyint', '1', '0', None]
>> value: ['LastDatePrice', 'date', '10', 'yyyy/mm/dd', None]
>>
>> You'll notice that the first print statement prints out several tuples
>> that
>> don't get printed out in the last statement (they're truncated). Why?
>> TIA,
>> beno
>>
>>
>>
> As Emile points out, you're clearly doing some other processing between
> that print and the place you're capturing the output.  Presumably this is a
> CGI script or equivalent.  So several other layers of code are manipulating
> that stream before you see it.
>
> Have you added another print immediately after the loop, so you can tell
> that it ended, and that subsequent output is separated from it?   My first
> guess was that you have some character in there that's special to html, such
> as "<", but I don't see such.  In general, you might need to escape your
> data (using & escape sequences), rather than just printing it directly to
> the CGI stream.
>
> Another clue for this type of problem is to look at the "page source" in
> your browser, rather than trust its rendering.  Sometimes the rendering gets
> messed up, especially if the html is not strictly legal.
>
> In Firefox, use  "View -> Page Source" to see the source to the page, which
> should come pretty close to the output of your print statements.
>
> My preference would be to run the script outside of the web-server
> environment, either on a local copy, or by shelling into your server.
>

Thank you. This was very helpful, viewing source.
beno
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-list/attachments/20091223/66d56443/attachment-0001.html>


More information about the Python-list mailing list