Kent Johnson schrieb:
> [EMAIL PROTECTED] wrote:
>
>> in dgf.py: (hope the formatting gets good for you, t-bird breaks the
>> lines badly on my machine...)
>>
>> def csvwriter(*column_definitions):
>> """Edit Me!"""
>> if sys.argv[0] == /usr/local/bin/xyz.py:
>> output_csv_filename = "xyz.csv"
>> else:
>> output_csv_filename = raw_input("Name of the file to produce?
>> (ATTENTION: WILL BE OVERWRITTEN!) ")
>
> If you can change xyz.py you can avoid this by adding an optional
> filename parameter to the function.
>
>> first_row = ";".join(*column_definitions)
>> try:
>> file = open(output_csv_filename, "w")
>> file.write(first_row)
>> file.close()
>> except:
>> print("Couldn't open %s for writing." %
> output_csv_filename)
>
> It's not such a good idea to hide the exception like this; you might at
> least want to print the actual exception. Or just let it propagate.
>
>> sys.exit(1)
>
> You can use the csv module to write the header row, too.
>
> I would write this as
>
> def csvwriter(*column_definitions, filename=None):
> if filename is none:
> filename = raw_input("Name of the file to produce?
> (ATTENTION: WILL BE OVERWRITTEN!) ")
>
> try:
> out = csv.writer(open(filename, "ab"),
> delimiter=";", quoting=csv.QUOTE_NONE)
> out.writerow(column_definitions)
> except Exception, e
> print("Couldn't open %s for writing." %
> output_csv_filename)
> print e
> return out
>
> Kent
>
Yeah, I think I get it, thanks!
Paul
_______________________________________________
Tutor maillist - Tutor@python.org
http://mail.python.org/mailman/listinfo/tutor
