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1 | # Copyright 2015 Google Inc. All Rights Reserved. |
2 | # | |
3 | # Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | # you may not use this file except in compliance with the License. | |
5 | # You may obtain a copy of the License at | |
6 | # | |
7 | # http://www.apache.org/licenses/LICENSE-2.0 | |
8 | # | |
9 | # Unless required by applicable law or agreed to in writing, software | |
10 | # distributed under the License is distributed on an "AS IS" BASIS, | |
11 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | # See the License for the specific language governing permissions and | |
13 | # limitations under the License. | |
14 | """YAPF error objects.""" | |
15 | ||
16 | from yapf_third_party._ylib2to3.pgen2 import tokenize | |
17 | ||
18 | ||
19 | def FormatErrorMsg(e): | |
20 | """Convert an exception into a standard format. | |
21 | ||
22 | The standard error message format is: | |
23 | ||
24 | <filename>:<lineno>:<column>: <msg> | |
25 | ||
26 | Arguments: | |
27 | e: An exception. | |
28 | ||
29 | Returns: | |
30 | A properly formatted error message string. | |
31 | """ | |
32 | if isinstance(e, SyntaxError): | |
33 | return '{}:{}:{}: {}'.format(e.filename, e.lineno, e.offset, e.msg) | |
34 | if isinstance(e, tokenize.TokenError): | |
35 | return '{}:{}:{}: {}'.format(e.filename, e.args[1][0], e.args[1][1], | |
36 | e.args[0]) | |
37 | return '{}:{}:{}: {}'.format(e.args[1][0], e.args[1][1], e.args[1][2], e.msg) | |
38 | ||
39 | ||
40 | class YapfError(Exception): | |
41 | """Parent class for user errors or input errors. | |
42 | ||
43 | Exceptions of this type are handled by the command line tool | |
44 | and result in clear error messages, as opposed to backtraces. | |
45 | """ | |
46 | pass |