Hi Victor,
I use PyCharm which is set up by default to warn when line length exceeds 120
chars, not 80. Perhaps times have changed?
I often break comprehensions at the for, in and else clauses. It's often not
for line length reasons but because it's easier to follow the code that way. I
have heard this is how Haskell programmers tend to use comprehensions
(comprehensions are from Haskell originally):
location=random.choice([loc['pk']
for loc
in locations.whole_register()
if loc['fields']['provider_id'] == provider_id])))
The other suggestion I have is to put the with clauses in a generator function.
This saves you a level or more of indentation and modularises the code
usefully. Here's an example:
def spreadsheet(csv_filename):
with open(csv_filename) as csv_file:
for csv_row in list(csv.DictReader(csv_file, delimiter='\t')):
yield csv_row
then invoked using:
for row in spreadsheet("...")
# your processing code here
Cheers,
Nick
--
https://mail.python.org/mailman/listinfo/python-list
