Merge pull request #334059 from adisbladis/fetchpypilegacy-netrc-pureeval

# Fetch from PyPi legacy API as documented in https://warehouse.pypa.io/api-reference/legacy.html

{ runCommand

, lib

, python3

{

  runCommand,

  lib,

  python3,

}:

let

  inherit (lib)

    optionalAttrs

    fetchers

    optional

    inPureEvalMode

    filter

    head

    concatStringsSep

    escapeShellArg

    ;

  impureEnvVars = fetchers.proxyImpureEnvVars ++ optional inPureEvalMode "NETRC";

in

{

  # package name

  pname,

  name ? null,

}:

let

  urls' = urls ++ lib.optional (url != null) url;

  urls' = urls ++ optional (url != null) url;

  pathParts = lib.filter ({ prefix, path }: "NETRC" == prefix) builtins.nixPath;

  netrc_file =

    if (pathParts != [ ])

    then (lib.head pathParts).path

    else "";

  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

  ({

assert urls' != [ ];

runCommand file

  (

    {

      nativeBuildInputs = [ python3 ];

    impureEnvVars = lib.fetchers.proxyImpureEnvVars;

      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;

    NETRC = netrc_file;

    }

  // (lib.optionalAttrs (name != null) {inherit name;}))

    // optionalAttrs (name != null) { inherit name; }

    // optionalAttrs (!inPureEvalMode) { env.NETRC = netrc_file; }

  )

  ''

    python ${./fetch-legacy.py} ${lib.concatStringsSep " " (map (url: "--url ${lib.escapeShellArg url}") urls')} --pname ${pname} --filename ${file}

    python ${./fetch-legacy.py} ${

      concatStringsSep " " (map (url: "--url ${escapeShellArg url}") urls')

    } --pname ${pname} --filename ${file}

    mv ${file} $out

  ''

{ testers, fetchPypiLegacy, ... }: {

{ testers, fetchPypiLegacy, ... }:

{

  # Tests that we can send custom headers with spaces in them

  fetchSimple = testers.invalidateFetcherByDrvHash fetchPypiLegacy {

    pname = "requests";