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// Copyright 2014 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.devtools.build.lib.analysis.config.FragmentOptions;
import com.google.devtools.common.options.EnumConverter;
import com.google.devtools.common.options.Option;
import com.google.devtools.common.options.OptionDocumentationCategory;
import com.google.devtools.common.options.proto.OptionFilters.OptionEffectTag;
/**
* Python-related command-line options.
*/
public class PythonOptions extends FragmentOptions {
static final PythonVersion DEFAULT_PYTHON_VERSION = PythonVersion.PY2;
/**
* Converter for the --force_python option.
*/
public static class PythonVersionConverter extends EnumConverter<PythonVersion> {
public PythonVersionConverter() {
super(PythonVersion.class, "Python version");
}
}
@Option(
name = "force_python",
defaultValue = "null",
category = "version",
converter = PythonVersionConverter.class,
documentationCategory = OptionDocumentationCategory.OUTPUT_PARAMETERS,
effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS, OptionEffectTag.AFFECTS_OUTPUTS},
help = "Overrides default_python_version attribute. Can be \"PY2\" or \"PY3\"."
)
public PythonVersion forcePython;
@Option(
name = "host_force_python",
defaultValue = "null",
category = "version",
converter = PythonVersionConverter.class,
documentationCategory = OptionDocumentationCategory.OUTPUT_PARAMETERS,
effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS, OptionEffectTag.AFFECTS_OUTPUTS},
help =
"Overrides default_python_version attribute for the host configuration."
+ " Can be \"PY2\" or \"PY3\"."
)
public PythonVersion hostForcePython;
public PythonVersion getPythonVersion() {
return (forcePython == null) ? DEFAULT_PYTHON_VERSION : forcePython;
}
@Override
public FragmentOptions getHost(boolean fallback) {
PythonOptions hostPythonOpts = (PythonOptions) getDefault();
if (hostForcePython != null) {
hostPythonOpts.forcePython = hostForcePython;
} else {
hostPythonOpts.forcePython = PythonVersion.PY2;
}
return hostPythonOpts;
}
}
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