| Daniel Arndt | 0a881a3 | 2023-07-04 18:54:42 -0300 | [diff] [blame] | 1 | ####################################################################################### |
| 2 | # Copyright ETSI Contributors and Others. |
| 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 |
| 13 | # implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | |
| 17 | from temporalio.client import WorkflowFailureError |
| 18 | |
| 19 | |
| 20 | def get_root_cause(exception: WorkflowFailureError) -> BaseException: |
| 21 | """Get the root cause of a WorkflowFailureError |
| 22 | |
| 23 | Temporal nests the cause of an exception at each layer as it bubbles up in |
| 24 | the framework from activities and child workflows. This function will |
| 25 | return the root cause of the exception. |
| 26 | """ |
| 27 | cause = getattr(exception, "cause", None) |
| 28 | while cause: |
| 29 | exception = cause |
| 30 | cause = getattr(exception, "cause", None) |
| 31 | return exception |