2024-05-02 00:46:19 +00:00
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# Fetch from PyPi legacy API as documented in https://warehouse.pypa.io/api-reference/legacy.html
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2024-05-13 21:24:10 +00:00
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{ runCommand, lib, python3 }:
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2024-05-02 00:46:19 +00:00
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{
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2024-05-13 21:24:10 +00:00
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# package name
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pname,
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# Package index
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url ? null,
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# Multiple package indices to consider
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urls ? [ ],
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# filename including extension
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file,
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# SRI hash
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hash,
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# allow overriding the derivation name
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name ? null, }:
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2024-05-02 00:46:19 +00:00
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let
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urls' = urls ++ lib.optional (url != null) url;
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pathParts = lib.filter ({ prefix, path }: "NETRC" == prefix) builtins.nixPath;
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netrc_file = if (pathParts != [ ]) then (lib.head pathParts).path else "";
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2024-05-02 00:46:19 +00:00
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2024-05-13 21:24:10 +00:00
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# Assert that we have at least one URL
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in assert urls' != [ ];
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runCommand file ({
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nativeBuildInputs = [ python3 ];
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impureEnvVars = lib.fetchers.proxyImpureEnvVars;
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outputHashMode = "flat";
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# if hash is empty select a default algo to let nix propose the actual hash.
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outputHashAlgo = if hash == "" then "sha256" else null;
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outputHash = hash;
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NETRC = netrc_file;
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} // (lib.optionalAttrs (name != null) { inherit name; })) ''
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python ${./fetch-legacy.py} ${
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lib.concatStringsSep " "
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(map (url: "--url ${lib.escapeShellArg url}") urls')
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} --pname ${pname} --filename ${file}
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mv ${file} $out
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''
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