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rpc: apply correct typehints; remove redundant parentheses

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This commit is contained in:
gcarq 2018-03-17 23:30:31 +01:00
parent d2aea7bdc1
commit 7078bc00bd
2 changed files with 37 additions and 33 deletions
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68
freqtrade/rpc/rpc.py
View File

@ -4,6 +4,7 @@ This module contains class to define a RPC communications
from datetime import datetime, timedelta
from decimal import Decimal
from typing import Tuple, Any
import arrow
import sqlalchemy as sql
@ -32,7 +33,7 @@ class RPC(object):
level=self.freqtrade.config.get('loglevel')
).get_logger()
def rpc_trade_status(self) -> (bool, Trade):
def rpc_trade_status(self) -> Tuple[bool, Any]:
"""
Below follows the RPC backend it is prefixed with rpc_ to raise awareness that it is
a remotely exposed function
@ -41,9 +42,9 @@ class RPC(object):
# Fetch open trade
trades = Trade.query.filter(Trade.is_open.is_(True)).all()
if self.freqtrade.get_state() != State.RUNNING:
return (True, '*Status:* `trader is not running`')
return True, '*Status:* `trader is not running`'
elif not trades:
return (True, '*Status:* `no active trade`')
return True, '*Status:* `no active trade`'
else:
result = []
for trade in trades:
@ -82,14 +83,14 @@ class RPC(object):
) if order else None,
)
result.append(message)
return (False, result)
return False, result
def rpc_status_table(self) -> (bool, DataFrame):
def rpc_status_table(self) -> Tuple[bool, Any]:
trades = Trade.query.filter(Trade.is_open.is_(True)).all()
if self.freqtrade.get_state() != State.RUNNING:
return (True, '*Status:* `trader is not running`')
return True, '*Status:* `trader is not running`'
elif not trades:
return (True, '*Status:* `no active order`')
return True, '*Status:* `no active order`'
else:
trades_list = []
for trade in trades:
@ -109,14 +110,16 @@ class RPC(object):
# consisting of (error_occured?, result)
# Another approach would be to just return the
# result, or raise error
return (False, df_statuses)
return False, df_statuses
def rpc_daily_profit(self, timescale, stake_currency, fiat_display_currency):
def rpc_daily_profit(
self, timescale: int,
stake_currency: str, fiat_display_currency: str) -> Tuple[bool, Any]:
today = datetime.utcnow().date()
profit_days = {}
if not (isinstance(timescale, int) and timescale > 0):
return (True, '*Daily [n]:* `must be an integer greater than 0`')
return True, '*Daily [n]:* `must be an integer greater than 0`'
fiat = self.freqtrade.fiat_converter
for day in range(0, timescale):
@ -155,9 +158,10 @@ class RPC(object):
]
for key, value in profit_days.items()
]
return (False, stats)
return False, stats
def rpc_trade_statistics(self, stake_currency, fiat_display_currency) -> None:
def rpc_trade_statistics(
self, stake_currency: str, fiat_display_currency: str) -> Tuple[bool, Any]:
"""
:return: cumulative profit statistics.
"""
@ -200,7 +204,7 @@ class RPC(object):
.order_by(sql.text('profit_sum DESC')).first()
if not best_pair:
return (True, '*Status:* `no closed trade`')
return True, '*Status:* `no closed trade`'
bp_pair, bp_rate = best_pair
@ -241,7 +245,7 @@ class RPC(object):
}
)
def rpc_balance(self, fiat_display_currency):
def rpc_balance(self, fiat_display_currency: str) -> Tuple[bool, Any]:
"""
:return: current account balance per crypto
"""
@ -250,7 +254,7 @@ class RPC(object):
if c['Balance'] or c['Available'] or c['Pending']
]
if not balances:
return (True, '`All balances are zero.`')
return True, '`All balances are zero.`'
output = []
total = 0.0
@ -277,17 +281,17 @@ class RPC(object):
fiat = self.freqtrade.fiat_converter
symbol = fiat_display_currency
value = fiat.convert_amount(total, 'BTC', symbol)
return (False, (output, total, symbol, value))
return False, (output, total, symbol, value)
def rpc_start(self) -> (bool, str):
"""
Handler for start.
"""
if self.freqtrade.get_state() == State.RUNNING:
return (True, '*Status:* `already running`')
return True, '*Status:* `already running`'
self.freqtrade.update_state(State.RUNNING)
return (False, '`Starting trader ...`')
return False, '`Starting trader ...`'
def rpc_stop(self) -> (bool, str):
"""
@ -295,18 +299,18 @@ class RPC(object):
"""
if self.freqtrade.get_state() == State.RUNNING:
self.freqtrade.update_state(State.STOPPED)
return (False, '`Stopping trader ...`')
return False, '`Stopping trader ...`'
return (True, '*Status:* `already stopped`')
return True, '*Status:* `already stopped`'
# FIX: no test for this!!!!
def rpc_forcesell(self, trade_id) -> None:
def rpc_forcesell(self, trade_id) -> Tuple[bool, Any]:
"""
Handler for forcesell <id>.
Sells the given trade at current price
:return: error or None
"""
def _exec_forcesell(trade: Trade) -> str:
def _exec_forcesell(trade: Trade) -> None:
# Check if there is there is an open order
if trade.open_order_id:
order = exchange.get_order(trade.open_order_id)
@ -328,13 +332,13 @@ class RPC(object):
# ---- EOF def _exec_forcesell ----
if self.freqtrade.get_state() != State.RUNNING:
return (True, '`trader is not running`')
return True, '`trader is not running`'
if trade_id == 'all':
# Execute sell for all open orders
for trade in Trade.query.filter(Trade.is_open.is_(True)).all():
_exec_forcesell(trade)
return (False, '')
return False, ''
# Query for trade
trade = Trade.query.filter(
@ -345,18 +349,18 @@ class RPC(object):
).first()
if not trade:
self.logger.warning('forcesell: Invalid argument received')
return (True, 'Invalid argument.')
return True, 'Invalid argument.'
_exec_forcesell(trade)
return (False, '')
return False, ''
def rpc_performance(self) -> None:
def rpc_performance(self) -> Tuple[bool, Any]:
"""
Handler for performance.
Shows a performance statistic from finished trades
"""
if self.freqtrade.get_state() != State.RUNNING:
return (True, '`trader is not running`')
return True, '`trader is not running`'
pair_rates = Trade.session.query(Trade.pair,
sql.func.sum(Trade.close_profit).label('profit_sum'),
@ -369,15 +373,15 @@ class RPC(object):
for (pair, rate, count) in pair_rates:
trades.append({'pair': pair, 'profit': round(rate * 100, 2), 'count': count})
return (False, trades)
return False, trades
def rpc_count(self) -> None:
def rpc_count(self) -> Tuple[bool, Any]:
"""
Returns the number of trades running
:return: None
"""
if self.freqtrade.get_state() != State.RUNNING:
return (True, '`trader is not running`')
return True, '`trader is not running`'
trades = Trade.query.filter(Trade.is_open.is_(True)).all()
return (False, trades)
return False, trades

2
freqtrade/rpc/rpc_manager.py
View File

@ -28,7 +28,7 @@ class RPCManager(object):
self.telegram = None
self._init()
def _init(self):
def _init(self) -> None:
"""
Init RPC modules
:return: