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a newbie question about gadfly

gbreed at cix.compulink.co.uk gbreed at cix.compulink.co.uk
Wed Jun 13 10:30:51 EDT 2001 
In article <vmoeit4n499fujuj5ine300ial3l94p81l at 4ax.com>, 
jm7potter at hotmail.com () wrote:

> On 12 Jun 2001 15:34:16 GMT, gbreed at cix.compulink.co.uk wrote:
> 
> >In article <hrbcit86g5gbmc63em9gc6tsji7nv78dqr at 4ax.com>, 
> >jm7potter at hotmail.com () wrote:
> >
> >> Why? is namex not a direct replacement for "donna" ????
> >
> >Um, no, not the way you're doing it.  Try replacing that 
magic 
> >line with
> >
> >
> >Or even
> >
> >cursor.execute("insert into students (name, grade) values 
> >(%(namex)s, %(gradex)s)" % vars())
> >
> >(that's sure to wordwrap!)
> >
> >
> >                 Graham
> 
> 
> Thanks for the help Graham,
> 
> However, your code did not work either. The little program 
chokes every 
> time I try to
> do anything that is not "hard-wired" into the script.

Oops!  There is an error:

cursor.execute(
  "insert into students (name, grade) values ('%s', '%s')"
  % (namex, gradex))

might be better.  I forgot to quote the arguments, and at least 
one of them is a string.

> Oddly, the books that mention gadfly do not attempt anything 
but 
> hard-wired code.
> Perhaps they know something?
> 
> Hammond & Robinson cover gadfly in their "Python: programming 
on Win32" 
>  (pp. 256
> -259) but never attempt to get data from a user and send it to 
the 
> database.

Oh, you have that?  I think the example right at the bottom of 
p.257 should do what you want.  In your case

insertstat = "insert into students (name, grade) values (?, ?)"
cursor.execute(insertstat, (namex, gradex))


Just in case that doesn't work, I ran this code on the test 
database as set up in the middle of p.257

>>> bar = 'guiodos'
>>> drinker = 'tim'
>>> perweek = 35
>>> cursor.execute("insert into Frequents(perweek, bar, drinker) 
values (%s, '%s', '%s')"%(perweek, bar, drinker))
>>> cursor.execute('select * from frequents')
>>> print cursor.pp()
PERWEEK | BAR      | DRINKER
============================
1       | lolas    | adam
3       | cheers   | woody
5       | cheers   | sam
3       | cheers   | norm
2       | joes     | wilt
1       | joes     | norm
6       | lolas    | lola
2       | lolas    | norm
3       | lolas    | woody
0       | frankies | pierre
1       | pans     | peter
35      | guiodos  | tim


>  For that matter, in "Learning Python" I see that Lutz & 
Ascher do not 
> even attempt
> to get user input until page 200 when as an aside to exception 
handling 
> they tell us
> about raw_input. Well, they do get user input via command line 
> arguments, but that
> can take one only so far.

And raw_input can only get you so far as well, so the emphasis 
is on GUIs for user input.


                Graham
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