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examples: add README and improve error handling in apply_from_dict #2502

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examples: add README and improve error handling in apply_from_dict #2502

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12 changes: 12 additions & 0 deletions examples/README.md
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Expand Up @@ -15,3 +15,15 @@ installed following the directions

If you find a problem please file an
[issue](https://github.com/kubernetes-client/python/issues).


---

## Running Examples Locally

### Prerequisites

- Python 3.8 or newer
- Kubernetes Python client installed:
```bash
pip install kubernetes
15 changes: 13 additions & 2 deletions examples/apply_from_dict.py
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@@ -1,3 +1,7 @@
import sys
from kubernetes.client.rest import ApiException


from kubernetes import client, config, utils
def main():
config.load_kube_config()
Expand All @@ -6,5 +10,12 @@ def main():
example_dict = {'apiVersion': 'apps/v1', 'kind': 'Deployment', 'metadata': {'name': 'k8s-py-client-nginx'}, 'spec': {'selector': {'matchLabels': {'app': 'nginx'}}, 'replicas': 1, 'template': {'metadata': {'labels': {'app': 'nginx'}}, 'spec': {'containers': [{'name': 'nginx', 'image': 'nginx:1.14.2', 'ports': [{'containerPort': 80}]}]}}}}
utils.create_from_dict(k8s_client, example_dict)

if __name__ == '__main__':
main()
if __name__ == "__main__":
try:
main()
except ApiException as e:
print(f"Kubernetes API error: {e}", file=sys.stderr)
sys.exit(1)
except Exception as e:
print(f"Unexpected error: {e}", file=sys.stderr)
sys.exit(2)