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{ lib
, buildPythonPackage
, fetchPypi
, pbr
, pip
, pkgs
, stevedore
, virtualenv
, virtualenv-clone
, python
}:
buildPythonPackage rec {
pname = "virtualenvwrapper";
version = "4.8.4";
format = "setuptools";
src = fetchPypi {
inherit pname version;
sha256 = "51a1a934e7ed0ff221bdd91bf9d3b604d875afbb3aa2367133503fee168f5bfa";
};
# pip depend on $HOME setting
preConfigure = "export HOME=$TMPDIR";
buildInputs = [ pbr pip pkgs.which ];
propagatedBuildInputs = [ stevedore virtualenv virtualenv-clone ];
postPatch = ''
for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
substituteInPlace "$file" --replace "which" "${pkgs.which}/bin/which"
# We can't set PYTHONPATH in a normal way (like exporting in a wrapper
# script) because the user has to evaluate the script and we don't want
# modify the global PYTHONPATH which would affect the user's
# environment.
# Furthermore it isn't possible to just use VIRTUALENVWRAPPER_PYTHON
# for this workaround, because this variable is well quoted inside the
# shell script.
# (the trailing " -" is required to only replace things like these one:
# "$VIRTUALENVWRAPPER_PYTHON" -c "import os,[...] and not in
# if-statements or anything like that.
# ...and yes, this "patch" is hacky :)
substituteInPlace "$file" --replace '"$VIRTUALENVWRAPPER_PYTHON" -' 'env PYTHONPATH="$VIRTUALENVWRAPPER_PYTHONPATH" "$VIRTUALENVWRAPPER_PYTHON" -'
done
'';
postInstall = ''
# This might look like a dirty hack but we can't use the makeWrapper function because
# the wrapped file were then called via "exec". The virtualenvwrapper shell scripts
# aren't normal executables. Instead, the user has to evaluate them.
for file in "virtualenvwrapper.sh" "virtualenvwrapper_lazy.sh"; do
local wrapper="$out/bin/$file"
local wrapped="$out/bin/.$file-wrapped"
mv "$wrapper" "$wrapped"
# WARNING: Don't indent the lines below because that would break EOF
cat > "$wrapper" << EOF
export PATH="${python}/bin:\$PATH"
export VIRTUALENVWRAPPER_PYTHONPATH="$PYTHONPATH:$(toPythonPath $out)"
source "$wrapped"
EOF
chmod -x "$wrapped"
chmod +x "$wrapper"
done
'';
meta = with lib; {
description = "Enhancements to virtualenv";
homepage = "https://pypi.python.org/pypi/virtualenvwrapper";
license = licenses.mit;
};
}
|