68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
# Copyright 2022 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Proof of concept. License restriction."""
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load("@rules_license//rules:providers.bzl", "LicenseKindInfo")
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#
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# License Kind: The declaration of a well known category of license, for example,
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# Apache, MIT, LGPL v2. An organization may also declare its own license kinds
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# that it may user privately.
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#
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def _license_kind_impl(ctx):
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provider = LicenseKindInfo(
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name = ctx.attr.name,
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label = "@%s//%s:%s" % (
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ctx.label.workspace_name,
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ctx.label.package,
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ctx.label.name,
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),
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long_name = ctx.attr.long_name,
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conditions = ctx.attr.conditions,
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)
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return [provider]
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_license_kind = rule(
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implementation = _license_kind_impl,
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attrs = {
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"conditions": attr.string_list(
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doc = "Conditions to be met when using software under this license." +
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" Conditions are defined by the organization using this license.",
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mandatory = True,
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),
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"canonical_text": attr.label(
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doc = "File containing the canonical text for this license. Must be UTF-8 encoded.",
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allow_single_file = True,
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),
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"long_name": attr.string(doc = "Human readable long name of license."),
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"url": attr.string(doc = "URL pointing to canonical license definition"),
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},
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)
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def license_kind(name, **kwargs):
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"""Wrapper for license_kind.
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@wraps(_license_kind)
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"""
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if "conditions" not in kwargs:
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kwargs["conditions"] = []
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if "long_name" not in kwargs:
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kwargs["long_name"] = name
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_license_kind(
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name = name,
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applicable_licenses = [],
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**kwargs
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)
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