Replace nix with poetry

[slovdahl]

Thanks to the original author @qqshfox in smarkets#291. Will keep it in our fork until it has hopefully been merged upstream.

[perlun]

Hmm... slightly painful CI failures on this one. 🤔 Could there be some missing dependency somewhere?

        gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -fPIC -Iast27/Include -I/home/runner/.cache/pypoetry/virtualenvs/marge-YHqeRpzV-py3.10/include -I/opt/hostedtoolcache/Python/3.10.9/x64/include/python3.10 -c ast27/Custom/typed_ast.c -o build/temp.linux-x86_64-cpython-310/ast27/Custom/typed_ast.o
        In file included from ast27/Custom/../Include/Python-ast.h:3,
                         from ast27/Custom/typed_ast.c:2:
        ast27/Custom/../Include/../Include/asdl.h:32:41: error: unknown type name ‘PyArena’
           32 | asdl_seq *asdl_seq_new(Py_ssize_t size, PyArena *arena);
              |                                         ^~~~~~~
        ast27/Custom/../Include/../Include/asdl.h:33:49: error: unknown type name ‘PyArena’
           33 | asdl_int_seq *asdl_int_seq_new(Py_ssize_t size, PyArena *arena);
              |                                                 ^~~~~~~

[perlun]

This one seems to have some info: python/typed_ast#159

[slovdahl]

Hmm.. The requirement is defined like this:

typed-ast==1.4.2; implementation_name == "cpython" and python_version < "3.8" and python_version >= "3.6" \

So how do we even update it for Python 3.10? 🤔

[perlun]

TL;DR: python/typed_ast (whatever the package name happens to be) should be upgraded to at least 1.4.3, to support Python 3.10.

[perlun]

So how do we even update it for Python 3.10? thinking

Hmm, that makes it more complex then yes... 🤔 Will dig a bit more.

[slovdahl]

My guess is that it's a transitive dependency of some sort.. I think one problem is that pytest was downgraded. I'm changing that back to 7.0.1 now with Poetry.

[perlun]

Hmm.. The requirement is defined like this:

Where is this? 🤔 I can't seem to find any references to this in this repo, apart from in requirements.nix:

$ rg typed-ast
requirements.nix
118:      self."typed-ast"
685:    "typed-ast" = python.mkDerivation {
686:      name = "typed-ast-1.3.5";
687:      src = pkgs.fetchurl { url = "https://files.pythonhosted.org/packages/d3/b1/959c3ed4a9cc100feba7ad1a7d6336d8888937ee89f4a577f7698e09decd/typed-ast-1.3.5.tar.gz"; sha256 = "5315f4509c1476718a4825f45a203b82d7fdf2a6f5f0c8f166435975b1c9f7d4"; };

[slovdahl]

Better, that seems to have been the problem 👍

[slovdahl]

Tested that building a Docker image using make dockerize works too.