| // Copyright 2017 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. |
| |
| package com.google.devtools.build.lib.bazel.rules.python; |
| |
| import static com.google.devtools.build.lib.packages.Attribute.attr; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST; |
| import static com.google.devtools.build.lib.packages.BuildType.LICENSE; |
| import static com.google.devtools.build.lib.syntax.Type.STRING; |
| |
| import com.google.devtools.build.lib.analysis.BaseRuleClasses; |
| import com.google.devtools.build.lib.analysis.RuleDefinition; |
| import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment; |
| import com.google.devtools.build.lib.packages.RuleClass; |
| import com.google.devtools.build.lib.rules.python.PyRuntime; |
| import com.google.devtools.build.lib.rules.python.PythonConfiguration; |
| import com.google.devtools.build.lib.util.FileTypeSet; |
| |
| /** Rule definition for {@code py_runtime} */ |
| public final class BazelPyRuntimeRule implements RuleDefinition { |
| |
| @Override |
| public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env) { |
| return builder |
| .requiresConfigurationFragments(PythonConfiguration.class, BazelPythonConfiguration.class) |
| |
| /* <!-- #BLAZE_RULE(py_runtime).ATTRIBUTE(files) --> |
| The set of files comprising this Python runtime. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add(attr("files", LABEL_LIST).allowedFileTypes(FileTypeSet.ANY_FILE)) |
| |
| /* <!-- #BLAZE_RULE(py_runtime).ATTRIBUTE(interpreter) --> |
| The Python interpreter used in this runtime. Binary rules will be executed using this |
| binary. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add(attr("interpreter", LABEL).allowedFileTypes(FileTypeSet.ANY_FILE).singleArtifact()) |
| |
| /* <!-- #BLAZE_RULE(py_runtime).ATTRIBUTE(interpreter_path) --> |
| The absolute path of a Python interpreter. This attribute and interpreter attribute cannot |
| be set at the same time. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add(attr("interpreter_path", STRING)) |
| .add(attr("output_licenses", LICENSE)) |
| .build(); |
| } |
| |
| @Override |
| public Metadata getMetadata() { |
| return Metadata.builder() |
| .name("py_runtime") |
| .ancestors(BaseRuleClasses.BaseRule.class) |
| .factoryClass(PyRuntime.class) |
| .build(); |
| } |
| } |
| /*<!-- #BLAZE_RULE (NAME = py_runtime, TYPE = OTHER, FAMILY = Python) --> |
| |
| <p> |
| Specifies the configuration for a Python runtime. This rule can either describe a Python runtime in |
| the source tree or one at a well-known absolute path. |
| </p> |
| |
| <h4 id="py_runtime">Example:</h4> |
| |
| <pre class="code"> |
| py_runtime( |
| name = "python-2.7.12", |
| files = glob(["python-2.7.12/**"]), |
| interpreter = "python-2.7.12/bin/python", |
| ) |
| |
| py_runtime( |
| name = "python-3.6.0", |
| files = [], |
| interpreter_path = "/opt/pyenv/versions/3.6.0/bin/python", |
| ) |
| </pre> |
| |
| <!-- #END_BLAZE_RULE -->*/ |