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import json

import logging

from json import JSONDecodeError

import requests

from hyperliquid.utils.constants import MAINNET_API_URL

from hyperliquid.utils.error import ClientError, ServerError

from hyperliquid.utils.types import Any

class API:

def __init__(self, base_url=None, timeout=None):

self.base_url = base_url or MAINNET_API_URL

self.session = requests.Session()

self.session.headers.update({"Content-Type": "application/json"})

self._logger = logging.getLogger(__name__)

self.timeout = timeout

def post(self, url_path: str, payload: Any = None) -> Any:

payload = payload or {}

url = self.base_url + url_path

response = self.session.post(url, json=payload, timeout=self.timeout)

self._handle_exception(response)

try:

return response.json()

except ValueError:

return {"error": f"Could not parse JSON: {response.text}"}

def _handle_exception(self, response):

status_code = response.status_code

if status_code < 400:

return

if 400 <= status_code < 500:

try:

err = json.loads(response.text)

except JSONDecodeError:

raise ClientError(status_code, None, response.text, None, response.headers)

if err is None:

raise ClientError(status_code, None, response.text, None, response.headers)

error_data = err.get("data")

raise ClientError(status_code, err["code"], err["msg"], response.headers, error_data)

raise ServerError(status_code, response.text)