On 18/04/2019 17:10, Manolo MartÃnez wrote:
On 2019-04-17, DL Neil <pythonl...@danceswithmice.info> wrote:2. When the program can still do something useful (if perhaps feature-limited) without the imported module by substituting something else in its place.Isn't this a very common scenario, similar to what package management systems call "optional dependencies"?
I wouldn't have said "very common."
I maintain a small podcast aggregator that tags podcasts using an external tagging library as an optional dependency---people can choose not to install it if they don't care about tags. That library is imported within a try/except block.
Most imports I've seen have been for mandatory functionality; while my current code could run without its CRC library, everything it tried to talk to would reject its messages, for example!
-- Rhodri James *-* Kynesim Ltd -- https://mail.python.org/mailman/listinfo/python-list
