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      1 # -*- coding:utf-8 -*-
      2 # Copyright 2016 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 
     16 """Common errors thrown when repo presubmit checks fail."""
     17 
     18 from __future__ import print_function
     19 
     20 import os
     21 import sys
     22 
     23 _path = os.path.realpath(__file__ + '/../..')
     24 if sys.path[0] != _path:
     25     sys.path.insert(0, _path)
     26 del _path
     27 
     28 
     29 class HookResult(object):
     30     """A single hook result."""
     31 
     32     def __init__(self, hook, project, commit, error, files=(), fixup_func=None):
     33         """Initialize.
     34 
     35         Args:
     36           hook: The name of the hook.
     37           project: The name of the project.
     38           commit: The git commit sha.
     39           error: A string representation of the hook's result.  Empty on
     40               success.
     41           files: The list of files that were involved in the hook execution.
     42           fixup_func: A callable that will attempt to automatically fix errors
     43               found in the hook's execution.  Returns an non-empty string if
     44               this, too, fails.  Can be None if the hook does not support
     45               automatically fixing errors.
     46         """
     47         self.hook = hook
     48         self.project = project
     49         self.commit = commit
     50         self.error = error
     51         self.files = files
     52         self.fixup_func = fixup_func
     53 
     54     def __bool__(self):
     55         return bool(self.error)
     56 
     57     def __nonzero__(self):
     58         """Python 2/3 glue."""
     59         return self.__bool__()
     60 
     61     def is_warning(self):
     62         return False
     63 
     64 
     65 class HookCommandResult(HookResult):
     66     """A single hook result based on a CommandResult."""
     67 
     68     def __init__(self, hook, project, commit, result, files=(),
     69                  fixup_func=None):
     70         HookResult.__init__(self, hook, project, commit,
     71                             result.error if result.error else result.output,
     72                             files=files, fixup_func=fixup_func)
     73         self.result = result
     74 
     75     def __bool__(self):
     76         return self.result.returncode not in (None, 0)
     77 
     78     def is_warning(self):
     79         return self.result.returncode == 77
     80