On Wednesday, 8 August 2018 07:14:47 BST Ken Hilton wrote:
> Now, let's take a look at the following scenario:
>
> def read_multiple(*filenames):
> for filename in filenames:
> with open(filename) as f:
> yield f.read()
In this particular case you can fix the code:
def read_multiple(*filenames):
for filename in filenames:
with open(filename) as f:
result = f.read()
yield result
Of course if you used readline() and not read() the problem returns.
But so long as you do not leak the generator the file will be closed
immediately after the loop as the ref count of the generater hits 0.
Barry
_______________________________________________
Python-ideas mailing list
[email protected]
https://mail.python.org/mailman/listinfo/python-ideas
Code of Conduct: http://python.org/psf/codeofconduct/
