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{ stdenv
, lib
, buildPythonPackage
, pythonOlder
, isPyPy
, fetchPypi
, postgresql
, openssl
, sphinxHook
, sphinx-better-theme
, buildPackages
}:
buildPythonPackage rec {
pname = "psycopg2";
version = "2.9.7";
format = "setuptools";
# Extension modules don't work well with PyPy. Use psycopg2cffi instead.
# c.f. https://github.com/NixOS/nixpkgs/pull/104151#issuecomment-729750892
disabled = pythonOlder "3.6" || isPyPy;
outputs = [ "out" "doc" ];
src = fetchPypi {
inherit pname version;
hash = "sha256-8AzDW9cRnx/tF7hb0QB4VRlN3iy9jeAauOuxdIdECtg=";
};
postPatch = ''
# Preferably upstream would not depend on pg_config because config scripts are incompatible with cross-compilation, however postgresql's pc file is lacking information.
# some linker flags are added but the linker ignores them because they're incompatible
# https://github.com/psycopg/psycopg2/blob/89005ac5b849c6428c05660b23c5a266c96e677d/setup.py
substituteInPlace setup.py \
--replace "self.pg_config_exe = self.build_ext.pg_config" 'self.pg_config_exe = "${lib.getExe' buildPackages.postgresql "pg_config"}"'
'';
nativeBuildInputs = [
sphinxHook
sphinx-better-theme
];
buildInputs = [
postgresql
] ++ lib.optionals stdenv.isDarwin [
openssl
];
sphinxRoot = "doc/src";
# Requires setting up a PostgreSQL database
doCheck = false;
pythonImportsCheck = [
"psycopg2"
];
disallowedReferences = lib.optionals (stdenv.buildPlatform != stdenv.hostPlatform) [ buildPackages.postgresql ];
meta = with lib; {
description = "PostgreSQL database adapter for the Python programming language";
homepage = "https://www.psycopg.org";
license = with licenses; [ lgpl3Plus zpl20 ];
maintainers = with maintainers; [ ];
};
}
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