http_clientlib 0.1.1

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Overview

A client-side library that wraps server-side functions to enable RPC-style frontend API calls without hiding HTTP implementation details.

How it works:

• Import server functions decorated with FastAPI/Flask on the client side
• Call them as regular functions; the library translates calls into HTTP requests
• Handle the HTTP responses as per usual

A simple default HTTP implementation is included, but you can substitute your own with retry logic, caching, error handling, logging, etc.

# Simple GET request without parameters
greeting_message_http = wrap_backend_call(greeting_message)
response = greeting_message_http()
print(response)

# GET request with path and query parameters
get_item_http = wrap_backend_call(get_item)
response = get_item_http(item_id=42, query="test")
print(response)

# POST request with request body
create_item_http = wrap_backend_call(post_endpoint)
response = create_item_http(data=ItemData(id=1, name="A Box"))

# Example usage: POST request using a dictionary for the request body directly
response = create_item_http(data={"id": 1, "name": "Sample Item"})
print(response)

Why?

Working across HTTP boundaries introduces friction:

1. Type information is lost — No type inference or validation for payloads and parameters sent from client to server
2. Developers are forced to rely on out-of-band documentation — Type schema lives in OpenAPI/Swagger docs, not visible in your editor.

Benefits

1. Type safety in the editor — Full type information available for IDE autocomplete and validation
2. Endpoint schema visibility — Query params, path params, request body, headers, cookies are all immediately apparent in your code
3. Docstring availability — Server function docstrings show up in the client IDE
4. Code Generation not required — Additional tooling or auto-generated code Changes to server signatures are immediately caught on the client side.

Limitations

1. Python-only — Works for a frontend/backend stack built in python
2. Server code must be imported — Client needs access to server function definitions