Forked from gene1wood/log_aws_lambda_event_and_context.py
Created
September 30, 2022 09:10
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A python AWS Lambda function which logs the contents of the event and context variables passed into the function.
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from __future__ import unicode_literals | |
import logging | |
import json | |
logger = logging.getLogger(__name__) | |
logging.getLogger().setLevel(logging.INFO) | |
class PythonObjectEncoder(json.JSONEncoder): | |
"""Custom JSON Encoder that allows encoding of un-serializable objects | |
For object types which the json module cannot natively serialize, if the | |
object type has a __repr__ method, serialize that string instead. | |
Usage: | |
>>> example_unserializable_object = {'example': set([1,2,3])} | |
>>> print(json.dumps(example_unserializable_object, | |
cls=PythonObjectEncoder)) | |
{"example": "set([1, 2, 3])"} | |
""" | |
def default(self, obj): | |
if isinstance(obj, (list, dict, str, int, float, bool, type(None))): | |
return json.JSONEncoder.default(self, obj) | |
elif hasattr(obj, '__repr__'): | |
return obj.__repr__() | |
else: | |
return json.JSONEncoder.default(self, obj.__repr__()) | |
def lambda_handler(event, context): | |
logger.info('Event: %s' % json.dumps(event)) | |
logger.info('Context: %s' % | |
json.dumps(vars(context), cls=PythonObjectEncoder)) | |
return True |
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