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out of order sections causing issues

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#196 5 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
38/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
tooling

Research direction

Start with the reproducer.py code in the issue and run it against the shown TOML, comparing _insert_after, value_insert_after(), and content.value. Trace how out-of-order sections and the build-system table are represented; done means inserting the group section produces the intended TOML without either AttributeError.

Written by the indexing model from the issue text.

Description

When there are sections defined out of order, it seems tomlkit does not like it. Original issue was reported at https://github.com/python-poetry/poetry/issues/4718.

The following code runs without issues, however does not modify the toml. Using content.value_insert_after() causes AttributeError: 'dict' object has no attribute '_insert_after'.

If we remove build-system from the toml, the code below raises AttributeError: 'Table' object has no attribute '_insert_after'. However using content.value succeeds with the right results.

reproducer.py

import tomlkit


TOML = tomlkit.parse("""\
[tool.poetry]
name = "foobar"
version = "0.1.0"
description = ""
readme = "README.md"

[tool.poetry.dependencies]
python = "^3.10"

[build-system]
requires = ["poetry-core"]
build-backend = "poetry.core.masonry.api"

[tool.poetry.plugins]
""")


if __name__ == '__main__':
    content = TOML["tool"]["poetry"]
    content._insert_after("dependencies", "group", tomlkit.table(is_super_table=True))
    content["group"]["one"] = tomlkit.table(is_super_table=True)
    content["group"]["one"]["dependencies"] = tomlkit.table()
    print(TOML.as_string())

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Merged PRs (30d)
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