Can't use len() on returned PyList object?
Gordon McMillan
gmcm at hypernet.com
Mon Nov 8 22:15:01 EST 1999
sessile writes:
> Why can't I use 'len()' to find the length of a list
> returned from my new extension module? The error is
> shown as:
>
> TypeError: call of non-function (type int)
>
> The list was created by 'PyList_New()' and populated
> using 'PyList_SetItem()'. I get the same error message
> regardless of the data type held in the list. I can
> access each element of the list just fine, but I don't
> always know how many there are. Is there a reasonable
> way for me to find the length of these lists in Python
> other than returning the length from the extension as a
> separate object?
Most likely you've clobbered the name "len" by binding it to an
integer (as the error msg so tersely implies). Probably nothing
wrong with your extension.
- Gordon
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