[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Change by Terry J. Reedy :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue20692] Tutorial and FAQ: how to call a method on an int

[miss-islington]

miss-islington  added the comment:


New changeset cc90732d15b267feb4cb75ec4c448a3c66e6c520 by Miss Islington (bot) 
in branch '3.9':
bpo-20692: Add Programming FAQ entry for 1.__class__ error. (GH-28918)
https://github.com/python/cpython/commit/cc90732d15b267feb4cb75ec4c448a3c66e6c520


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[issue20692] Tutorial and FAQ: how to call a method on an int

[miss-islington]

miss-islington  added the comment:


New changeset 47673c47db352916384e4f35fa520e48475e2601 by Miss Islington (bot) 
in branch '3.10':
bpo-20692: Add Programming FAQ entry for 1.__class__ error. (GH-28918)
https://github.com/python/cpython/commit/47673c47db352916384e4f35fa520e48475e2601


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[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Terry J. Reedy  added the comment:


New changeset 380c44087505d0d560f97e325028f27393551164 by Terry Jan Reedy in 
branch 'main':
bpo-20692: Add Programming FAQ entry for 1.__class__ error. (GH-28918)
https://github.com/python/cpython/commit/380c44087505d0d560f97e325028f27393551164


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[issue20692] Tutorial and FAQ: how to call a method on an int

[miss-islington]

Change by miss-islington :


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pull_requests: +27211
pull_request: https://github.com/python/cpython/pull/28920

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[issue20692] Tutorial and FAQ: how to call a method on an int

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 11.0 -> 12.0
pull_requests: +27210
pull_request: https://github.com/python/cpython/pull/28919

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Change by Terry J. Reedy :


--
pull_requests: +27209
pull_request: https://github.com/python/cpython/pull/28918

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Terry J. Reedy  added the comment:

No. The last version did not properly incorporate my suggestion, so I will make 
a PR that I am willing to merge.

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assignee: docs@python -> terry.reedy

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[issue20692] Tutorial and FAQ: how to call a method on an int

[za]

za  added the comment:

I've included `doc1.patch` in the github PR 
https://github.com/python/cpython/pull/28818

Should I add the other patch as well to make this move forward?

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[issue20692] Tutorial and FAQ: how to call a method on an int

[za]

Change by za :


--
nosy: +za3
nosy_count: 10.0 -> 11.0
pull_requests: +27136
pull_request: https://github.com/python/cpython/pull/28818

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Amir]

Amir  added the comment:

Hi everyone!

I'm going to work on it. I have a plan to submit my pull request in the 
upcoming weeks. 

Thanks.

--
components:  -Interpreter Core
nosy: +Amir.Rastkhadiv20
versions: +Python 3.9 -Python 3.10

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Irit Katriel]

Change by Irit Katriel :


--
keywords: +easy
versions: +Python 3.10 -Python 2.7

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Cheryl Sabella]

Cheryl Sabella added the comment:

Sreepriya Chalakkal,

Would you be able to prepare a pull request on GitHub for your patch?


Thanks!

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nosy: +csabella

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Jakub Stasiak]

Changes by Jakub Stasiak :


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nosy: +jstasiak

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Josh Rosenberg]

Changes by Josh Rosenberg :


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nosy: +josh.r

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Sreepriya Chalakkal]

Sreepriya Chalakkal added the comment:

In tutorials, under section 3.1.1 - Numbers, it is mentioned about the type of 
integers. And also a statement as "we will see more about numeric types later 
in the tutorial". May be we can mention about type class there. But it might be 
too early to mention about classes under Numbers for a learner. 

Otherwise, I also agree that the cross link is not very essential and could be 
dropped.

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[issue20692] Tutorial and FAQ: how to call a method on an int

[Terry J. Reedy]

Terry J. Reedy added the comment:

I agree with Antoine about the particular cross-link and would drop that one. 
Is there somewhere earlier in the tutorial that discusses .attribute access? 
That would be the place to mention the ints and dotted names. Rather than a 
link, I would just mention that ints need to be separated from the period.

I also agree with David. Here is a condensed answer that I think says just what 
is needed.

---
This is because the Python parser sees an integer literal followed by a period 
as a float literal and a float literal followed by a name, 
``5. __class__``, is a syntax error. To look up an attribute on an integer 
literal, separate the integer from the period with either a space or 
parentheses.

>>> 5 .__class__

>>> (5).__class__


--
stage: needs patch -> patch review
title: Tutorial section 9.4 and FAQ: how to call a method on an int -> Tutorial 
and  FAQ: how to call a method on an int

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