Description:
pythonrepeatableiterable 2.1.8
python-repeatable-iterable
A new type RepeatableIterable for Python
and a way to obtain one instance
Since in Python an Iterator is an Iterable
and that you cannot iterate multiple times on an iterator,
you may encounter WTF bugs, even with type checking.
This package provides possible solutions to this problem.
See here for a discussion on this problem:
https://stackoverflow.com/questions/63104689
(/what-is-the-pythonic-way-to-represent-an-iterable
-that-can-be-iterated-over-mult).
Before:
def foo(iterable: Iterable):
for that in iterable:
bar(that)
for that in iterable:
# possible bug
baz(that)
foo(something)
After solution 1:
from python_repeatable_iterable import RepeatableIterable
def foo(iterable: RepeatableIterable[object]):
for that in iterable:
bar(that)
for that in iterable:
baz(that)
something_else = RepeatableIterable(something)
foo(something_else)
After solution 2:
from python_repeatable_iterable import RepeatableIterable
def foo(iterable: Iterable):
iterable = RepeatableIterable(iterable)
for that in iterable:
bar(that)
for that in iterable:
baz(that)
foo(something)
If you develop something where you have no control on
what another dev might give you as input,
you have 2 possibilities:
hope for the best ;),
or harden your code to have less support work to do :).
This applies if you dev something that is:
closed source or open source,
available to everyone on the Internet,
available only to customers or colleagues
that you may personally know or not.
Solution 2 above is a nice solution
with a reasonable performance cost :).
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
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