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E1120: no-value-for-parameter does not respect init=False in field in dataclasses #7059

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suryaavala opened this issue Jun 26, 2022 · 1 comment
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Duplicate 🐫 Duplicate of an already existing issue

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@suryaavala
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suryaavala commented Jun 26, 2022

Bug description

add the following to lint.py

# pylint: disable=missing-module-docstring, missing-class-docstring
from dataclasses import dataclass, field


@dataclass
class Mamal:
    name: str
    age: int
    mamal_subgroup: str


@dataclass
class Person(Mamal):
    name: str
    age: int
    mamal_subgroup: str = field(default="primates", init=False)


Person("John", 20)

Configuration

[tool.pylint.messages_control]
max-line-length = 140
disable=["fixme", "too-few-public-methods","invalid-name", "useless-return"]

Command used

pylint lint.py

Pylint output

************* Module lint
lint.py:19:0: E1120: No value for argument 'mamal_subgroup' in constructor call (no-value-for-parameter)

Expected behavior

Pylint version

pylint 2.14.1
astroid 2.11.5
Python 3.8.13 (default, Mar 16 2022, 20:38:07) 
[Clang 13.0.0 (clang-1300.0.29.30)]

OS / Environment

macos(12.3.1)

@suryaavala suryaavala added the Needs triage 📥 Just created, needs acknowledgment, triage, and proper labelling label Jun 26, 2022
@Pierre-Sassoulas
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Thank you for opening an issue. It does look like a duplicate of #5225 so I'm going to keep the previous one.

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