[Python-Dev] TypeError: f() missing 1 required positional argument: 'x'

Chris Jerdonek chris.jerdonek at gmail.com
Thu Sep 20 21:27:51 CEST 2012

On Thu, Sep 20, 2012 at 10:18 AM, Chris Jerdonek
<chris.jerdonek at gmail.com> wrote:
> On Thu, Sep 20, 2012 at 8:52 AM, Guido van Rossum <guido at python.org> wrote:
>> On Thu, Sep 20, 2012 at 7:12 AM, Benjamin Peterson <benjamin at python.org> wrote:
>>> I tried to define the error messages in terms of the callee's
>>> signature. I call the formals that are not variadic, keyword variadic,
>>> or keyword-only, positional. For example, in
>> Maybe this is also a good time to start distinguishing between
>> arguments (what you pass, call syntax) and parameters (what the
>> function receives, function definition syntax)?
> The glossary is one place to start making this distinction.  It
> currently has entries for "argument," "positional argument," and
> "keyword argument" that could perhaps use a review from this
> discussion.  For example:
> http://docs.python.org/dev/glossary.html#term-positional-argument
> The entries currently blur the distinction between the calling and
> definition perspectives.  Ideally, the glossary definitions of these
> terms would match and be consistent with their usage in error
> messages.

I took the liberty to create an issue in the tracker to settle on and
document preferred terminology in the area of positional/keyword
arguments/parameters, etc.  The issue is here:



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