On 2022-11-11 08:54, dn wrote:
[snip]
The module's function definition is:
def build_product_prices_dictionary( WORKBOOK_DEFINITIONS:dict )->dict:
...
price_array = xl.iget_array(
file_name=WORKBOOK_DEFINITIONS[ "file_name" ],
...
(the function def is flagged, as above)
A quick scan of PEP-008 failed to yield anything relevant. Why is this
frowned upon as poor Python, or a matter of style?
Yes, a dict is mutable, but the upper-case denoting a constant indicates
that none of its values are to be changed by the programmer.
As far as the function is concerned, the dict and its contents are
constants.
(but the dict can't be treated as a global ENV[IRONMENT] object, because
it has to cross into the module's namespace)
[snip]
I think the problem is that the dict _is_ mutable, so it's not a
constant; it's read-only, which is not the same thing.
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