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pyenchant: Fix for darwin/macOS

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This allows pyenchant to be installable on macOS again, which, in turn, will allow pylint
to also be installable.

  * Switches dependencies to enchant-2 (enchant-1 is not building on macOS). The existing $src (2.0.0) already has compatibility with enchant-2.
  * Improves patch hack by hijacking the $PYENCHANT_LIBRARY_PATH envvar lookup
    to explicitly specify the correct library path.
This commit is contained in:
Robert Iannucci 2020-01-22 17:14:52 -08:00
parent ef9939e36f
commit 2bf75af84a
2 changed files with 15 additions and 10 deletions
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23
pkgs/development/python-modules/pyenchant/default.nix
View File

@ -1,7 +1,7 @@
{ stdenv { stdenv
, buildPythonPackage , buildPythonPackage
, fetchPypi , fetchPypi
, pkgs , enchant2
}: }:
buildPythonPackage rec { buildPythonPackage rec {
@ -13,15 +13,21 @@ buildPythonPackage rec {
sha256 = "fc31cda72ace001da8fe5d42f11c26e514a91fa8c70468739216ddd8de64e2a0"; sha256 = "fc31cda72ace001da8fe5d42f11c26e514a91fa8c70468739216ddd8de64e2a0";
}; };
propagatedBuildInputs = [ pkgs.enchant1 ]; propagatedBuildInputs = [ enchant2 ];
patchPhase = let postPatch = let
path_hack_script = "s|LoadLibrary(e_path)|LoadLibrary('${pkgs.enchant1}/lib/' + e_path)|"; libext = stdenv.hostPlatform.extensions.sharedLibrary;
in '' in ''
sed -i "${path_hack_script}" enchant/_enchant.py # Use the $PYENCHANT_LIBRARY_PATH envvar lookup line to hard-code the
# location of the nix enchant-2 library into _enchant.py.
# They hardcode a bad path for Darwin in their library search code #
substituteInPlace enchant/_enchant.py --replace '/opt/local/lib/' "" # Also, they hardcode a bad path for Darwin in their library search code;
# This code should never be hit, but in case it does, we don't want to have
# it "accidentally" work by pulling something from /opt.
substituteInPlace enchant/_enchant.py \
--replace 'os.environ.get("PYENCHANT_LIBRARY_PATH")' \
"'${enchant2}/lib/libenchant-2${libext}'" \
--replace '/opt/local/lib/' ""
''; '';
# dictionaries needed for tests # dictionaries needed for tests
@ -31,7 +37,6 @@ buildPythonPackage rec {
description = "pyenchant: Python bindings for the Enchant spellchecker"; description = "pyenchant: Python bindings for the Enchant spellchecker";
homepage = https://github.com/pyenchant/pyenchant; homepage = https://github.com/pyenchant/pyenchant;
license = licenses.lgpl21; license = licenses.lgpl21;
badPlatforms = [ "x86_64-darwin" ];
}; };
} }

2
pkgs/top-level/python-packages.nix
View File

@ -4834,7 +4834,7 @@ in {
pyelftools = callPackage ../development/python-modules/pyelftools { }; pyelftools = callPackage ../development/python-modules/pyelftools { };
pyenchant = callPackage ../development/python-modules/pyenchant { }; pyenchant = callPackage ../development/python-modules/pyenchant { enchant2 = pkgs.enchant2; };
pyexcelerator = callPackage ../development/python-modules/pyexcelerator { }; pyexcelerator = callPackage ../development/python-modules/pyexcelerator { };