Terry J. Reedy added the comment:
3.4 only gets security fixes. 3.5 only gets bug fixes. Feature changes
('enhancements') are limited to future versions.
This is not a behavior issue because the code and doc match.
https://docs.python.org/3/library/io.html#io.FileIO.name says (as Martin
paraphrased)
"name
The file name. This is the file descriptor of the file when no name is
given in the constructor."
As I remember, this was discussed when io was designed. The alternatives to
name = fd: no name attribute, name = '', name = None. All are about equally
easy to test, as long as the decision is documented, which is clearly is,
contrary to the claim otherwise. I believe the deciding factor is that fd has
more information than nothing, even if redundant or useless.
In the absence of sufficient reason to break existing code that follows the
doc, which we are generally loathe to do, the design change should be rejected.
----------
nosy: +terry.reedy
resolution: -> rejected
stage: -> resolved
status: open -> closed
type: behavior -> enhancement
versions: -Python 3.4, Python 3.5
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