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fix(nix): make hermes in developement environment actually work

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install modules as editable overlay with uv
This commit is contained in:
ethernet 2026-07-02 19:45:09 -04:00
parent de45b9529d
commit 8fa9e6c013
4 changed files with 122 additions and 74 deletions
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131
nix/python.nix
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@ -27,7 +27,8 @@ let
dependency-groups = { };
};
mkPrebuiltOverride = final: from: dependencies:
mkPrebuiltOverride =
final: from: dependencies:
hacks.nixpkgsPrebuilt {
inherit from;
prev = {
@ -38,64 +39,100 @@ let
# Legacy alibabacloud packages ship only sdists with setup.py/setup.cfg
# and no pyproject.toml, so setuptools isn't declared as a build dep.
buildSystemOverrides = final: prev: builtins.mapAttrs
(name: _: prev.${name}.overrideAttrs (old: {
nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ final.setuptools ];
}))
(lib.genAttrs [
"alibabacloud-credentials-api"
"alibabacloud-endpoint-util"
"alibabacloud-gateway-dingtalk"
"alibabacloud-gateway-spi"
"alibabacloud-tea"
] (_: null));
buildSystemOverrides =
final: prev:
builtins.mapAttrs
(
name: _:
prev.${name}.overrideAttrs (old: {
nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ final.setuptools ];
})
)
(
lib.genAttrs [
"alibabacloud-credentials-api"
"alibabacloud-endpoint-util"
"alibabacloud-gateway-dingtalk"
"alibabacloud-gateway-spi"
"alibabacloud-tea"
] (_: null)
);
pythonPackageOverrides = final: _prev:
if isAarch64Darwin then {
numpy = mkPrebuiltOverride final python312.pkgs.numpy { };
pythonPackageOverrides =
final: _prev:
if isAarch64Darwin then
{
numpy = mkPrebuiltOverride final python312.pkgs.numpy { };
pyarrow = mkPrebuiltOverride final python312.pkgs.pyarrow { };
pyarrow = mkPrebuiltOverride final python312.pkgs.pyarrow { };
av = mkPrebuiltOverride final python312.pkgs.av { };
av = mkPrebuiltOverride final python312.pkgs.av { };
humanfriendly = mkPrebuiltOverride final python312.pkgs.humanfriendly { };
humanfriendly = mkPrebuiltOverride final python312.pkgs.humanfriendly { };
coloredlogs = mkPrebuiltOverride final python312.pkgs.coloredlogs {
humanfriendly = [ ];
};
coloredlogs = mkPrebuiltOverride final python312.pkgs.coloredlogs {
humanfriendly = [ ];
};
onnxruntime = mkPrebuiltOverride final python312.pkgs.onnxruntime {
coloredlogs = [ ];
numpy = [ ];
packaging = [ ];
};
onnxruntime = mkPrebuiltOverride final python312.pkgs.onnxruntime {
coloredlogs = [ ];
numpy = [ ];
packaging = [ ];
};
ctranslate2 = mkPrebuiltOverride final python312.pkgs.ctranslate2 {
numpy = [ ];
pyyaml = [ ];
};
ctranslate2 = mkPrebuiltOverride final python312.pkgs.ctranslate2 {
numpy = [ ];
pyyaml = [ ];
};
faster-whisper = mkPrebuiltOverride final python312.pkgs.faster-whisper {
av = [ ];
ctranslate2 = [ ];
huggingface-hub = [ ];
onnxruntime = [ ];
tokenizers = [ ];
tqdm = [ ];
};
} else {};
faster-whisper = mkPrebuiltOverride final python312.pkgs.faster-whisper {
av = [ ];
ctranslate2 = [ ];
huggingface-hub = [ ];
onnxruntime = [ ];
tokenizers = [ ];
tqdm = [ ];
};
}
else
{ };
pythonSet =
(callPackage pyproject-nix.build.packages {
python = python312;
}).overrideScope
(lib.composeManyExtensions [
pyproject-build-systems.overlays.default
overlay
buildSystemOverrides
pythonPackageOverrides
]);
(
lib.composeManyExtensions [
pyproject-build-systems.overlays.default
overlay
buildSystemOverrides
pythonPackageOverrides
]
);
editableOverlay = workspace.mkEditablePyprojectOverlay {
root = "$HERMES_PYTHON_SRC_ROOT"; # resolved at shellHook time
};
workspaceRoot = ./..;
editableSet = pythonSet.overrideScope (
lib.composeManyExtensions [
editableOverlay
(final: prev: {
hermes-agent = prev.hermes-agent.overrideAttrs (old: {
# point straight at the real source instead of the filtered nix store copy
src = workspaceRoot;
nativeBuildInputs = old.nativeBuildInputs ++ final.resolveBuildSystem { editables = [ ]; };
});
})
]
);
in
pythonSet.mkVirtualEnv "hermes-agent-env" {
hermes-agent = dependency-groups;
{
venv = pythonSet.mkVirtualEnv "hermes-agent-env" {
hermes-agent = dependency-groups;
};
editableVenv = editableSet.mkVirtualEnv "hermes-agent-editable-env" {
hermes-agent = dependency-groups;
};
}