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1 # Copyright 2016 The Chromium Authors. All rights reserved. | 1 # Copyright 2016 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import traceback | 5 import traceback |
6 | 6 |
7 | 7 |
8 class Execution(object): | 8 class Execution(object): |
9 """Object tracking the execution of a Quest. | 9 """Object tracking the execution of a Quest. |
10 | 10 |
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58 @property | 58 @property |
59 def result_arguments(self): | 59 def result_arguments(self): |
60 """A dict of information passed on to the next Execution. | 60 """A dict of information passed on to the next Execution. |
61 | 61 |
62 For example, the Build Execution passes the isolate hash to the Test | 62 For example, the Build Execution passes the isolate hash to the Test |
63 Execution. | 63 Execution. |
64 """ | 64 """ |
65 assert self.completed | 65 assert self.completed |
66 return self._result_arguments | 66 return self._result_arguments |
67 | 67 |
| 68 def AsDict(self): |
| 69 d = { |
| 70 'result_arguments': self.result_arguments if self.completed else {}, |
| 71 'result_values': self.result_values if self.completed else None, |
| 72 } |
| 73 d.update(self._AsDict()) |
| 74 return d |
| 75 |
| 76 def _AsDict(self): |
| 77 raise NotImplementedError() |
| 78 |
68 def Poll(self): | 79 def Poll(self): |
69 """Update the Execution status.""" | 80 """Update the Execution status.""" |
70 assert not self.completed | 81 assert not self.completed |
71 | 82 |
72 try: | 83 try: |
73 self._Poll() | 84 self._Poll() |
74 except StandardError: | 85 except StandardError: |
75 # StandardError most likely indicates a bug in the code. | 86 # StandardError most likely indicates a bug in the code. |
76 # We should fail fast to aid debugging. | 87 # We should fail fast to aid debugging. |
77 raise | 88 raise |
78 except Exception: # pylint: disable=broad-except | 89 except Exception: # pylint: disable=broad-except |
79 # We allow broad exception handling here, because we log the exception and | 90 # We allow broad exception handling here, because we log the exception and |
80 # display it in the UI. | 91 # display it in the UI. |
81 self._completed = True | 92 self._completed = True |
82 self._failed = True | 93 self._failed = True |
83 self._result_values = (traceback.format_exc(),) | 94 self._result_values = (traceback.format_exc(),) |
84 | 95 |
85 | 96 |
86 def _Poll(self): | 97 def _Poll(self): |
87 raise NotImplementedError() | 98 raise NotImplementedError() |
88 | 99 |
89 def _Complete(self, result_values=None, result_arguments=None): | 100 def _Complete(self, result_values=None, result_arguments=None): |
90 self._completed = True | 101 self._completed = True |
91 self._failed = False | 102 self._failed = False |
92 self._result_values = result_values or (None,) | 103 self._result_values = result_values or (None,) |
93 self._result_arguments = result_arguments or {} | 104 self._result_arguments = result_arguments or {} |
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