BUILD.bazel

load("@bazel_gazelle//:def.bzl", "DEFAULT_LANGUAGES", "gazelle", "gazelle_binary")
load("@pip//:requirements.bzl", "all_whl_requirements")
load("@rules_python//python:pip.bzl", "compile_pip_requirements")
load("@rules_python_gazelle_plugin//:def.bzl", "GAZELLE_PYTHON_RUNTIME_DEPS")
load("@rules_python_gazelle_plugin//manifest:defs.bzl", "gazelle_python_manifest")
load("@rules_python_gazelle_plugin//modules_mapping:def.bzl", "modules_mapping")

# This rule fetches the metadata for python packages we depend on. That data is
# required for the gazelle_python_manifest rule to update our manifest file.
modules_mapping(
    name = "modules_map",
    wheels = all_whl_requirements,
)

# Gazelle python extension needs a manifest file mapping from
# an import to the installed package that provides it.
# This macro produces two targets:
# - //:gazelle_python_manifest.update can be used with `bazel run`
#   to recalculate the manifest
# - //:gazelle_python_manifest.test is a test target ensuring that
#   the manifest doesn't need to be updated
gazelle_python_manifest(
    name = "gazelle_python_manifest",
    modules_mapping = ":modules_map",
    pip_repository_name = "pip",
    requirements = "//:requirements_lock.txt",
)

# gazelle:prefix github.com/donskov/bazel-pyhon-go
gazelle(
    name = "gazelle",
    data = GAZELLE_PYTHON_RUNTIME_DEPS,
    gazelle = "//:gazelle_binary",
    visibility = ["//visibility:public"],
)

gazelle_binary(
    name = "gazelle_binary",
    languages = DEFAULT_LANGUAGES + [
        "@rules_python_gazelle_plugin//python",
    ],
    visibility = ["//visibility:public"],
)

gazelle(
    name = "gazelle-update-repos",
    args = [
        "-from_file=go.mod",
        "-to_macro=deps.bzl%go_dependencies",
        "-prune",
    ],
    command = "update-repos",
)

# To update, run:
#
#    bazel run //:requirements.update
compile_pip_requirements(
    name = "requirements",
    extra_args = [
        "--generate-hashes",
        "--allow-unsafe",
    ],
    requirements_in = "requirements.in",
    requirements_txt = "requirements_lock.txt",
)