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Error Handling

Learn how to effectively handle errors and exceptions when using Julep SDKs.

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Common Error Types

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API Errors

try:
    agent = client.agents.create(name="Test Agent")
except julep.APIError as e:
    print(f"API Error: {e.status_code} - {e.message}")

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Authentication Errors

try:
    client = julep.Client(api_key="invalid_key")
except julep.AuthenticationError as e:
    print(f"Auth failed: {e}")

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Rate Limit Errors

try:
    results = client.agents.list()
except julep.RateLimitError as e:
    print(f"Rate limited. Retry after: {e.retry_after} seconds")

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Error Handling Patterns

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Retrying Failed Requests

from julep.utils import retry_with_backoff

@retry_with_backoff(max_retries=3)
def create_agent_with_retry():
    return client.agents.create(name="Test Agent")

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Graceful Degradation

def get_agent_safely(agent_id):
    try:
        return client.agents.get(agent_id)
    except julep.NotFoundError:
        return create_default_agent()
    except julep.APIError:
        return use_cached_agent(agent_id)

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Best Practices

  1. Always wrap API calls in try-except blocks
  2. Handle specific exceptions before generic ones
  3. Implement retry logic for transient failures
  4. Log errors with appropriate context
  5. Provide meaningful error messages to users