navidrome/plugins/cmd/ndpgen/testdata/codec_client_expected.py

# Code generated by ndpgen. DO NOT EDIT.
#
# This file contains client wrappers for the Codec host service.
# It is intended for use in Navidrome plugins built with extism-py.
#
# IMPORTANT: Due to a limitation in extism-py, you cannot import this file directly.
# The @extism.import_fn decorators are only detected when defined in the plugin's
# main __init__.py file. Copy the needed functions from this file into your plugin.

from dataclasses import dataclass
from typing import Any

import extism
import json
import base64


class HostFunctionError(Exception):
    """Raised when a host function returns an error."""
    pass


@extism.import_fn("extism:host/user", "codec_encode")
def _codec_encode(offset: int) -> int:
    """Raw host function - do not call directly."""
    ...


def codec_encode(data: bytes) -> bytes:
    """Call the codec_encode host function.

    Args:
        data: bytes parameter.

    Returns:
        bytes: The result value.

    Raises:
        HostFunctionError: If the host function returns an error.
    """
    request = {
        "data": base64.b64encode(data).decode("ascii"),
    }
    request_bytes = json.dumps(request).encode("utf-8")
    request_mem = extism.memory.alloc(request_bytes)
    response_offset = _codec_encode(request_mem.offset)
    response_mem = extism.memory.find(response_offset)
    response = json.loads(extism.memory.string(response_mem))

    if response.get("error"):
        raise HostFunctionError(response["error"])

    return base64.b64decode(response.get("result", ""))