Is there a maximum size to a Python program?

John Machin sjmachin at lexicon.net
Mon Apr 27 08:23:33 CEST 2009


On Apr 27, 2:34 pm, "Paul Hemans" <dar... at nowhere.com> wrote:

> entry = schema.BILLS()
> exists = session.query(schema.BILLS).filter(schema.BILLS.REFNO==u"1")
> if exists.count == 0:
>     entry.REFNO = u"1"
>     entry.THRDPTY = u"""C5"""
>     entry.AMOUNT = 0
>     entry.TIMESTAMP = 0
>     entry.ALLOCATED = 0

Instead of generating code like that, you can do it dynamically. The
built-in setattr() function is your friend, e.g.

for col_name in col_names:
   if needs_updating(col_name):
      value = get_new_value(col_name)
      setattr(entry, col_name, value)

>     session.add(entry)
>
> session.commit()
> session.close()

Cheers,

John



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