Support "standard" square bracket syntax for package extras

[ulope]

• I have searched the issues of this repo and believe that this is not a duplicate.

Issue

It would be great if poetry would support the "standard" square bracket syntax to specify package extras (i.e. somepackage[someextra]).

I'm aware of the -E option but it's a departure from what other tools are doing and also it's not immediately clear how to specify multiple different extras for multiple packages.

[vab2048]

What is the recommended way of installing extras?

In other words what would be the equivalent of the command pip install dash[testing]?

[sdispater]

This is supported in the latest prereleases of the 1.0.0 release and will be globally available when it's officially released.

[arn314]

I'm unable to make use of this feature. The following is my pyproject.toml contents excerpt:

[tool.poetry.dependencies]
python = "^3.7"
...
testcontainers[postgresql] = "2.6.0"

This one throws the following error when issuing poetry install -v --dry-run

[UnexpectedCharError]
Unexpected character: u'p' at line 24 col 15

which is the character p in testcontainers[postgresql].
I would appreciate if someone can point to any workaround. Thanks!

poetry --version
Poetry version 1.0.5

[clintonroy]

If you try:

poetry add testcontainers[postgresql]

You'll get:

testcontainers = {extras = ["postgresql"], version = "^2.6.0"}

[arn314]

That helped. Appreciate the quick response @clintonroy !

[JulianFerry]

For anyone stumbling on this with the same issue as me:

• poetry add apache-beam[gcp] errors with zsh: no matches found: apache-beam[gcp]
• Writing poetry add "apache-beam[gcp]" fixed this

[tpvasconcelos]

@JulianFerry the issue you are experiencing is probably due to zsh's use of square brackets for globbing.

[mavwolverine]

This still seems to be an issue.

poetry add 'piccolo[postgres]' 'piccolo[orjson]' 'piccolo[uvloop]'

It only seems to add the last extra in the pyproject.toml.

If I run poetry add 'piccolo[orjson]' followed by poetry add 'piccolo[postgres]'

It removed orjson and only has piccolo = {extras = ["postgres"], version = "^0.74.3"} in toml.

[abn]

What you are looking for is poetry add 'piccolo[postgresql,orjson,uvloop]'.

[mavwolverine]

piccolo = {extras = ["postgres", "orjson", "uvloop"], version = "^0.74.3"}

[mavwolverine]

If you manually set pyproject.toml, it installs everything properly. So it seems to be an issue with poetry add

[sur0g]

zsh user here. I can confirm that it causes issues as @tpvasconcelos mentioned

[github-actions]

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