| // 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.rules.python; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.analysis.TransitiveInfoProvider; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.vfs.PathFragment; |
| import javax.annotation.Nullable; |
| |
| /** Information about the Python runtime used by the <code>py_*</code> rules. */ |
| @AutoValue |
| @Immutable |
| public abstract class PyRuntimeProvider implements TransitiveInfoProvider { |
| |
| public static PyRuntimeProvider create( |
| @Nullable NestedSet<Artifact> files, |
| @Nullable Artifact interpreter, |
| @Nullable PathFragment interpreterPath) { |
| return new AutoValue_PyRuntimeProvider(files, interpreter, interpreterPath); |
| } |
| |
| /** |
| * Returns whether this runtime is hermetic, i.e. represents an in-build interpreter as opposed to |
| * a system interpreter. |
| * |
| * <p>Hermetic runtimes have non-null values for {@link #getInterpreter} and {@link #getFiles}, |
| * while non-hermetic runtimes have non-null {@link #getInterpreterPath}. |
| * |
| * <p>Note: Despite the name, it is still possible for a hermetic runtime to reference in-build |
| * files that have non-hermetic behavior. For example, {@link #getInterpreter} could reference a |
| * checked-in wrapper script that calls the system interpreter at execution time. |
| */ |
| public boolean isHermetic() { |
| return getInterpreter() != null; |
| } |
| |
| @Nullable |
| public abstract NestedSet<Artifact> getFiles(); |
| |
| @Nullable |
| public abstract Artifact getInterpreter(); |
| |
| @Nullable |
| public abstract PathFragment getInterpreterPath(); |
| } |