pylint-dev/pylint

invalid-name check for TypeVar should allow for digits in names

Closed

#8,499 opened on Mar 27, 2023

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C: invalid-nameFalse Positive 🦟Good first issueHacktoberfestHelp wanted 🙏Needs PR

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Description

Bug description

"""Ec2T example."""

from typing import TypeVar

T = TypeVar('T')
EcTwoT = TypeVar('EcTwoT')
Ec2T = TypeVar('Ec2T')

Configuration

No response

Command used

pylint typevar.py

Pylint output

************* Module typevar
typevar.py:7:0: C0103: Type variable name "Ec2T" doesn't conform to predefined naming style (invalid-name)

------------------------------------------------------------------
Your code has been rated at 7.50/10 (previous run: 5.00/10, +2.50)

Expected behavior

Ec2T should be valid.

Pylint version

pylint 2.17.0
astroid 2.15.0
Python 3.11.2 (main, Mar 20 2023, 21:17:15) [Clang 14.0.0 (clang-1400.0.29.202)]

OS / Environment

MacOS 13.2.1

Additional dependencies

No response

Contributor guide

Research direction
Look at the invalid name check in pylint for TypeVar. The issue is that digits in TypeVar names are flagged incorrectly. Find the pattern or rule that validates TypeVar names and modify it to allow digits.
Tech stack
python
Domain
tooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitPython
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75