fetchPypiLegacy
pkgs.fetchPypiLegacy
Functor
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Implementation
The following is the current implementation of this function.
{
# package name
pname,
# Package index
url ? null,
# Multiple package indices to consider
urls ? [ ],
# filename including extension
file,
# SRI hash
hash,
# allow overriding the derivation name
name ? null,
# allow overriding cacert using src.override { cacert = cacert.override { extraCertificateFiles = [ ./path/to/cert.pem ]; }; }
cacert ? pkgs.cacert,
}:
let
urls' = urls ++ optional (url != null) url;
pathParts = filter ({ prefix, path }: "NETRC" == prefix) builtins.nixPath;
netrc_file = if (pathParts != [ ]) then (head pathParts).path else "";
in
# Assert that we have at least one URL
assert urls' != [ ];
runCommand file
(
{
nativeBuildInputs = [
python3
cacert
];
inherit impureEnvVars;
outputHashMode = "flat";
# if hash is empty select a default algo to let nix propose the actual hash.
outputHashAlgo = if hash == "" then "sha256" else null;
outputHash = hash;
}
// optionalAttrs (name != null) { inherit name; }
// optionalAttrs (!inPureEvalMode) { env.NETRC = netrc_file; }
)
''
python ${./fetch-legacy.py} ${
concatStringsSep " " (map (url: "--url ${escapeShellArg url}") urls')
} --pname ${pname} --filename ${file}
mv ${file} $out
''