package.extras is not reproducible

[ali5h]

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• ubuntu 20.04
• poetry 1.1.12
• pyproject.toml

[tool.poetry]
name = "hdfs-test"
version = "0.1.0"
description = ""
authors = ["test"]
[tool.poetry.dependencies]
python = "^3.8"
apache-airflow = "^2.2.3"
[tool.poetry.dev-dependencies]
pytest = "^5.2"
[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

Issue

one of the entries in package.extras for apache-airflow in poetry.lock file is

"apache.webhdfs" = ["hdfs[dataframe,avro,kerberos] (>=2.0.4)"]

The hdfs[dataframe,avro,kerberos] part is not reproducible and on poetry update the order of its extras changes (i.e it becomes hdfs[avro,dataframe,kerberos])

[finswimmer]

one of the entries in package.extras for apache-airflow is

You are talking about the resulting poetry.lock file for the pyprject.toml above?

[ali5h]

yes

[cpcloud]

I think this is related to the fact that extras are stored in-memory using a frozenset, the ordering of which is arbitrary.

I also have this issue, and the current workaround isn't great: I have to set PYTHONHASHSEED when doing operations that may affect the lock file.

This makes it hard for contributors to contribute because they have to know to do this when changing things related to poetry.

[github-actions]

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