100 lines
2.7 KiB
Nix
100 lines
2.7 KiB
Nix
/* Generic builder for Python packages that come without a setup.py. */
|
|
|
|
{ lib
|
|
, python
|
|
, wrapPython
|
|
, setuptools
|
|
, unzip
|
|
, ensureNewerSourcesHook
|
|
}:
|
|
|
|
{ name
|
|
|
|
# by default prefix `name` e.g. "python3.3-${name}"
|
|
, namePrefix ? python.libPrefix + "-"
|
|
|
|
# Dependencies for building the package
|
|
, buildInputs ? []
|
|
|
|
# Dependencies needed for running the checkPhase.
|
|
# These are added to buildInputs when doCheck = true.
|
|
, checkInputs ? []
|
|
|
|
# propagate build dependencies so in case we have A -> B -> C,
|
|
# C can import package A propagated by B
|
|
, propagatedBuildInputs ? []
|
|
|
|
# DEPRECATED: use propagatedBuildInputs
|
|
, pythonPath ? []
|
|
|
|
# used to disable derivation, useful for specific python versions
|
|
, disabled ? false
|
|
|
|
# Raise an error if two packages are installed with the same name
|
|
, catchConflicts ? true
|
|
|
|
# Additional arguments to pass to the makeWrapper function, which wraps
|
|
# generated binaries.
|
|
, makeWrapperArgs ? []
|
|
|
|
, meta ? {}
|
|
|
|
, passthru ? {}
|
|
|
|
, doCheck ? false
|
|
|
|
, ... } @ attrs:
|
|
|
|
|
|
# Keep extra attributes from `attrs`, e.g., `patchPhase', etc.
|
|
if disabled
|
|
then throw "${name} not supported for interpreter ${python.executable}"
|
|
else
|
|
|
|
python.stdenv.mkDerivation (builtins.removeAttrs attrs ["disabled"] // {
|
|
|
|
name = namePrefix + name;
|
|
|
|
inherit pythonPath;
|
|
|
|
# patch python interpreter to write null timestamps when compiling python files
|
|
# this way python doesn't try to update them when we freeze timestamps in nix store
|
|
DETERMINISTIC_BUILD=1;
|
|
|
|
buildInputs = [ wrapPython ] ++ buildInputs ++ pythonPath
|
|
++ [ (ensureNewerSourcesHook { year = "1980"; }) ]
|
|
++ (lib.optional (lib.hasSuffix "zip" attrs.src.name or "") unzip)
|
|
++ lib.optionals doCheck checkInputs;
|
|
|
|
# propagate python/setuptools to active setup-hook in nix-shell
|
|
propagatedBuildInputs = propagatedBuildInputs ++ [ python setuptools ];
|
|
|
|
# Python packages don't have a checkPhase, only an installCheckPhase
|
|
doCheck = false;
|
|
doInstallCheck = doCheck;
|
|
|
|
postFixup = ''
|
|
wrapPythonPrograms
|
|
'' + lib.optionalString catchConflicts ''
|
|
# check if we have two packages with the same name in closure and fail
|
|
# this shouldn't happen, something went wrong with dependencies specs
|
|
${python.interpreter} ${./catch_conflicts.py}
|
|
'' + attrs.postFixup or '''';
|
|
|
|
passthru = {
|
|
inherit python; # The python interpreter
|
|
} // passthru;
|
|
|
|
meta = with lib.maintainers; {
|
|
# default to python's platforms
|
|
platforms = python.meta.platforms;
|
|
} // meta // {
|
|
# add extra maintainer(s) to every package
|
|
maintainers = (meta.maintainers or []) ++ [ chaoflow domenkozar ];
|
|
# a marker for release utilities to discover python packages
|
|
isBuildPythonPackage = python.meta.platforms;
|
|
};
|
|
})
|
|
|
|
|