1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright 2014 Google Inc. 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 java.util.Arrays;
/**
* Python version for Python rules.
*/
public enum PythonVersion {
PY2,
PY3,
PY2AND3,
PY2ONLY,
PY3ONLY;
static final PythonVersion[] ALL_VALUES =
new PythonVersion[] { PY2, PY3, PY2AND3, PY2ONLY, PY3ONLY };
public static PythonVersion defaultValue() {
return PY2;
}
public static PythonVersion[] getAllValues() {
return ALL_VALUES;
}
/**
* Converts the string to PythonVersion, if it is one of the allowed values.
* Returns null if the input is not valid.
*/
public static PythonVersion parse(String str, PythonVersion... allowed) {
if (str == null) {
return null;
}
try {
PythonVersion version = PythonVersion.valueOf(str);
if (Arrays.asList(allowed).contains(version)) {
return version;
}
return null;
} catch (IllegalArgumentException e) {
return null;
}
}
}
|
