gfeldman commented on PR #26546:
URL: https://github.com/apache/airflow/pull/26546#issuecomment-1253113679
with `flask_app.json_encoder = AirflowJsonEncoder` setting
```
>>> from airflow.www import app
>>> from kubernetes.client import models as k8s
>>> p =
k8s.V1Pod(spec=k8s.V1PodSpec(containers=[k8s.V1Container(name="base")]))
>>> c = app.create_app()
>>> c.json.dumps(p)
'{"spec": {"containers": [{"name": "base"}]}}'
```
with `flask_app.json_provider_class = AirflowJsonEncoder`
```
>>> from airflow.www import app
>>> from kubernetes.client import models as k8s
>>> p =
k8s.V1Pod(spec=k8s.V1PodSpec(containers=[k8s.V1Container(name="base")]))
>>> c = app.create_app()
>>> c.json.dumps(p)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/Users/guy.feldman/opt/anaconda3/lib/python3.9/site-packages/flask/json/provider.py",
line 230, in dumps
return json.dumps(obj, **kwargs)
File "/Users/guy.feldman/opt/anaconda3/lib/python3.9/json/__init__.py",
line 234, in dumps
return cls(
File "/Users/guy.feldman/opt/anaconda3/lib/python3.9/json/encoder.py",
line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/Users/guy.feldman/opt/anaconda3/lib/python3.9/json/encoder.py",
line 257, in iterencode
return _iterencode(o, 0)
File
"/Users/guy.feldman/opt/anaconda3/lib/python3.9/site-packages/flask/json/provider.py",
line 122, in _default
raise TypeError(f"Object of type {type(o).__name__} is not JSON
serializable")
TypeError: Object of type V1Pod is not JSON serializable
```
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