These are scripts written to remove the tedious nature of creating nix package derivations for nixpkgs. The goal of these scripts is not to create a perfect package derivation but complete as much as possible and guide the user on necessary changes.
usage: python-package-init [-h] [--version VERSION] [--filename FILENAME] [--stdout] [--nixpkgs-root NIXPKGS_ROOT] [-f] package
positional arguments:
package pypi package name
optional arguments:
-h, --help show this help message and exit
--version VERSION pypi package version (stable if not specified)
--filename FILENAME filename for nix derivation
--stdout Print the nix derivation to stdout
--nixpkgs-root NIXPKGS_ROOT
Root directory of nixpkgs
-f, --force Force creation of file, overwriting when it already exists
python-package-init
now has the ability to create a <package-name> = callPackages ../...<package-name> { };
in
pkgs/top-level/python-modules.nix
and write the default.nix
to
pkgs/development/python-modules/<package-name>/default.nix
with a
nearly complete derivation.
Example lets add nixpkgs-pytools
to nixpkgs. It is already in
nixpkgs so you would need to provide the -f
(force) option to force
it to be written to nixpkgs.
nix-shell -p nixpkgs-pytools
python-package-init nixpkgs-pytools --nixpkgs-root=<path to nixpkgs>
Creates a default.nix
derivation to go into
nixpkgs/pkgs/development/python-modules/<pypi-name>/default.nix
. This
script is overly verbose so that you don't have to remember the name
of attributes. Delete the ones that you don't need.
usage: python-rewrite-imports [-h] --path PATH [--replace REPLACE REPLACE]
optional arguments:
-h, --help show this help message and exit
--path PATH path to refactor imports
--replace REPLACE REPLACE
module import to replace
example rewriting airflow imports
nix-shell -p nixpkgs-pytools
cd /tmp
wget https://github.com/apache/airflow/archive/master.tar.gz
tar -xf master.tar.gz
python-rewrite-imports --path /tmp/airflow-master \
--replace flask_appbuilder flask_appbuilder_1_13_6237336a2b92fa6ba5f7f14dda56c08af6c0a76a \
--replace pendulum pendulum_1_4_4_55011d302b80c60360e2cc9f3a5ace7336c727c7
grep -R pendulum /tmp/airflow-master
You'll notice that all imports have been rewritten. Rewrites are done via rope a robust refactoring library used by many text editors.
nix-shell
will load the correct environment for your usage:
nix-shell