mirror of
https://github.com/freqtrade/freqtrade.git
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8273c0c2cd
Especially when validating pairlists for non-main exchanges (the exchange not in the config), validation can mess with the exchange loading.
73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
from typing import Any, AsyncIterator, Dict, Optional
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from uuid import uuid4
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from fastapi import Depends, HTTPException
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from freqtrade.constants import Config
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from freqtrade.enums import RunMode
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from freqtrade.persistence import Trade
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from freqtrade.persistence.models import _request_id_ctx_var
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from freqtrade.rpc.api_server.webserver_bgwork import ApiBG
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from freqtrade.rpc.rpc import RPC, RPCException
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from .webserver import ApiServer
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def get_rpc_optional() -> Optional[RPC]:
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if ApiServer._has_rpc:
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return ApiServer._rpc
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return None
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async def get_rpc() -> Optional[AsyncIterator[RPC]]:
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_rpc = get_rpc_optional()
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if _rpc:
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request_id = str(uuid4())
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ctx_token = _request_id_ctx_var.set(request_id)
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Trade.rollback()
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try:
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yield _rpc
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finally:
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Trade.session.remove()
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_request_id_ctx_var.reset(ctx_token)
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else:
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raise RPCException('Bot is not in the correct state')
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def get_config() -> Dict[str, Any]:
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return ApiServer._config
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def get_api_config() -> Dict[str, Any]:
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return ApiServer._config['api_server']
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def _generate_exchange_key(config: Config) -> str:
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"""
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Exchange key - used for caching the exchange object.
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"""
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return f"{config['exchange']['name']}_{config.get('trading_mode', 'spot')}"
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def get_exchange(config=Depends(get_config)):
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exchange_key = _generate_exchange_key(config)
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if not (exchange := ApiBG.exchanges.get(exchange_key)):
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from freqtrade.resolvers import ExchangeResolver
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exchange = ExchangeResolver.load_exchange(
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config, validate=False, load_leverage_tiers=False)
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ApiBG.exchanges[exchange_key] = exchange
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return exchange
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def get_message_stream():
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return ApiServer._message_stream
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def is_webserver_mode(config=Depends(get_config)):
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if config['runmode'] != RunMode.WEBSERVER:
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raise HTTPException(status_code=503,
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detail='Bot is not in the correct state.')
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return None
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