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Merge pull request #1363 from nix-community/pyproject-nix-fetchers
Use pyproject.nix fetchers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,22 +1,5 @@ | ||
| { lib }: | ||
| let | ||
| inherit (builtins) mapAttrs; | ||
| inherit (lib) fix; | ||
| in | ||
|
|
||
| fix (self: mapAttrs (_: path: import path ({ inherit lib; } // self)) { | ||
| pip = ./pip.nix; | ||
| pypa = ./pypa.nix; | ||
| project = ./project.nix; | ||
| renderers = ./renderers.nix; | ||
| validators = ./validators.nix; | ||
| poetry = ./poetry.nix; | ||
|
|
||
| pep427 = ./pep427.nix; | ||
| pep440 = ./pep440.nix; | ||
| pep508 = ./pep508.nix; | ||
| pep518 = ./pep518.nix; | ||
| pep599 = ./pep599.nix; | ||
| pep600 = ./pep600.nix; | ||
| pep621 = ./pep621.nix; | ||
| }) | ||
| { pkgs, lib }: | ||
| { | ||
| lib = import ./lib { inherit lib; }; | ||
| fetchers = import ./fetchers { inherit pkgs lib; }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| { pkgs | ||
| , lib | ||
| , | ||
| }: | ||
| let | ||
| inherit (builtins) substring filter head nixPath; | ||
| inherit (lib) toLower; | ||
|
|
||
| # Predict URL from the PyPI index. | ||
| # Args: | ||
| # pname: package name | ||
| # file: filename including extension | ||
| # hash: SRI hash | ||
| # kind: Language implementation and version tag | ||
| predictURLFromPypi = | ||
| { | ||
| # package name | ||
| pname | ||
| , # filename including extension | ||
| file | ||
| , # Language implementation and version tag | ||
| kind | ||
| , | ||
| }: "https://files.pythonhosted.org/packages/${kind}/${toLower (substring 0 1 file)}/${pname}/${file}"; | ||
| in | ||
| lib.mapAttrs (_: func: lib.makeOverridable func) { | ||
| /* | ||
| Fetch from the PyPI index. | ||
| At first we try to fetch the predicated URL but if that fails we | ||
| will use the Pypi API to determine the correct URL. | ||
| Type: fetchFromPypi :: AttrSet -> derivation | ||
| */ | ||
| fetchFromPypi = | ||
| { | ||
| # package name | ||
| pname | ||
| , # filename including extension | ||
| file | ||
| , # the version string of the dependency | ||
| version | ||
| , # SRI hash | ||
| hash | ||
| , # Language implementation and version tag | ||
| kind | ||
| , # Options to pass to `curl` | ||
| curlOpts ? "" | ||
| , | ||
| }: | ||
| let | ||
| predictedURL = predictURLFromPypi { inherit pname file kind; }; | ||
| in | ||
| pkgs.stdenvNoCC.mkDerivation { | ||
| name = file; | ||
| nativeBuildInputs = [ | ||
| pkgs.buildPackages.curl | ||
| pkgs.buildPackages.jq | ||
| ]; | ||
| isWheel = lib.strings.hasSuffix "whl" file; | ||
| system = "builtin"; | ||
|
|
||
| preferLocalBuild = true; | ||
| impureEnvVars = | ||
| lib.fetchers.proxyImpureEnvVars | ||
| ++ [ | ||
| "NIX_CURL_FLAGS" | ||
| ]; | ||
|
|
||
| inherit pname file version curlOpts predictedURL; | ||
|
|
||
| builder = ./fetch-from-pypi.sh; | ||
|
|
||
| outputHashMode = "flat"; | ||
| outputHashAlgo = "sha256"; | ||
| outputHash = hash; | ||
|
|
||
| passthru = { | ||
| urls = [ predictedURL ]; # retain compatibility with nixpkgs' fetchurl | ||
| }; | ||
| }; | ||
|
|
||
| /* | ||
| Fetch from the PyPI legacy API. | ||
| Some repositories (such as Devpi) expose the Pypi legacy API (https://warehouse.pypa.io/api-reference/legacy.html). | ||
| Type: fetchFromLegacy :: AttrSet -> derivation | ||
| */ | ||
| fetchFromLegacy = | ||
| { | ||
| # package name | ||
| pname | ||
| , # URL to package index | ||
| url | ||
| , # filename including extension | ||
| file | ||
| , # SRI hash | ||
| hash | ||
| , | ||
| }: | ||
| let | ||
| pathParts = filter ({ prefix, path }: "NETRC" == prefix) nixPath; # deadnix: skip | ||
| netrc_file = | ||
| if (pathParts != [ ]) | ||
| then (head pathParts).path | ||
| else ""; | ||
| in | ||
| pkgs.runCommand file | ||
| { | ||
| nativeBuildInputs = [ pkgs.buildPackages.python3 ]; | ||
| impureEnvVars = lib.fetchers.proxyImpureEnvVars; | ||
| outputHashMode = "flat"; | ||
| outputHashAlgo = "sha256"; | ||
| outputHash = hash; | ||
| NETRC = netrc_file; | ||
| passthru.isWheel = lib.strings.hasSuffix "whl" file; | ||
| } '' | ||
| python ${./fetch-from-legacy.py} ${url} ${pname} ${file} | ||
| mv ${file} $out | ||
| ''; | ||
| } |
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