| # Copyright 2023 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """Helper rules for demonstrating `py_wheel` examples""" |
| |
| def _directory_writer_impl(ctx): |
| output = ctx.actions.declare_directory(ctx.attr.out) |
| |
| args = ctx.actions.args() |
| args.add("--output", output.path) |
| |
| for path, content in ctx.attr.files.items(): |
| args.add("--file={}={}".format( |
| path, |
| json.encode(content), |
| )) |
| |
| ctx.actions.run( |
| outputs = [output], |
| arguments = [args], |
| executable = ctx.executable._writer, |
| ) |
| |
| return [DefaultInfo( |
| files = depset([output]), |
| runfiles = ctx.runfiles(files = [output]), |
| )] |
| |
| directory_writer = rule( |
| implementation = _directory_writer_impl, |
| doc = "A rule for generating a directory with the requested content.", |
| attrs = { |
| "files": attr.string_dict( |
| doc = "A mapping of file name to content to create relative to the generated `out` directory.", |
| ), |
| "out": attr.string( |
| doc = "The name of the directory to create", |
| ), |
| "_writer": attr.label( |
| executable = True, |
| cfg = "exec", |
| default = Label("//examples/wheel/private:directory_writer"), |
| ), |
| }, |
| ) |
| |
| def _make_variable_tags_impl(ctx): # buildifier: disable=unused-variable |
| # This example is contrived. In a real usage, this rule would |
| # look at flags or dependencies to determine what values to use. |
| # If all you're doing is setting constant values, then you can simply |
| # set them in the py_wheel() call. |
| vars = {} |
| vars["ABI"] = "cp38" |
| vars["PYTHON_TAG"] = "cp38" |
| vars["VERSION"] = "0.99.0" |
| return [platform_common.TemplateVariableInfo(vars)] |
| |
| make_variable_tags = rule( |
| attrs = {}, |
| doc = """Make variable tags to pass to a py_wheel rule.""", |
| implementation = _make_variable_tags_impl, |
| ) |