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prefect.client.base

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Functions

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determine_server_type 

determine_server_type() -> ServerType
Determine the server type based on the current settings. Returns:
    • ServerType.EPHEMERAL if the ephemeral server is enabled
    • ServerType.SERVER if a API URL is configured and it is not a cloud URL
    • ServerType.CLOUD if an API URL is configured and it is a cloud URL
    • ServerType.UNCONFIGURED if no API URL is configured and ephemeral mode is not enabled

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Classes

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ASGIApp

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PrefectResponse

A Prefect wrapper for the httpx.Response class. Provides more informative error messages. Methods:

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raise_for_status 

raise_for_status(self) -> Response
Raise an exception if the response contains an HTTPStatusError. The PrefectHTTPStatusError contains useful additional information that is not contained in the HTTPStatusError.

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from_httpx_response 

from_httpx_response(cls: type[Self], response: httpx.Response) -> Response
Create a PrefectResponse from an httpx.Response. By changing the __class__ attribute of the Response, we change the method resolution order to look for methods defined in PrefectResponse, while leaving everything else about the original Response instance intact.

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PrefectHttpxAsyncClient

A Prefect wrapper for the async httpx client with support for retry-after headers for the provided status codes (typically 429, 502 and 503). Additionally, this client will always call raise_for_status on responses. For more details on rate limit headers, see: Configuring Cloudflare Rate Limiting

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PrefectHttpxSyncClient

A Prefect wrapper for the async httpx client with support for retry-after headers for the provided status codes (typically 429, 502 and 503). Additionally, this client will always call raise_for_status on responses. For more details on rate limit headers, see: Configuring Cloudflare Rate Limiting Methods:

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send 

send(self, request: Request, *args: Any, **kwargs: Any) -> Response
Send a request with automatic retry behavior for the following status codes:
  • 403 Forbidden, if the request failed due to CSRF protection
  • 408 Request Timeout
  • 429 CloudFlare-style rate limiting
  • 502 Bad Gateway
  • 503 Service unavailable
  • Any additional status codes provided in PREFECT_CLIENT_RETRY_EXTRA_CODES

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ServerType