pikers
/
piker
4
1
Fork 0
Code Issues 10 Pull Requests 14 Packages Projects Releases Wiki Activity

Py3.9+ type updates

mkts_backup
Tyler Goodlet 2022-02-17 16:31:37 -05:00
parent 86337430d8
commit 9c5f7a6bb9
1 changed files with 27 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
piker/data/marketstore.py
View File

@ -24,14 +24,14 @@
- todo: docker container management automation - todo: docker container management automation
''' '''
from contextlib import asynccontextmanager from contextlib import asynccontextmanager
from typing import Dict, Any, List, Callable, Tuple, Optional from typing import Any, Optional
import time import time
from math import isnan # from math import isnan
import msgpack # import msgpack
import numpy as np import numpy as np
import pandas as pd import pandas as pd
import tractor # import tractor
from trio_websocket import open_websocket_url from trio_websocket import open_websocket_url
from anyio_marketstore import open_marketstore_client, MarketstoreClient from anyio_marketstore import open_marketstore_client, MarketstoreClient
@ -41,7 +41,7 @@ from ..data import open_feed
log = get_logger(__name__) log = get_logger(__name__)
_tick_tbk_ids: Tuple[str, str] = ('1Sec', 'TICK') _tick_tbk_ids: tuple[str, str] = ('1Sec', 'TICK')
_tick_tbk: str = '{}/' + '/'.join(_tick_tbk_ids) _tick_tbk: str = '{}/' + '/'.join(_tick_tbk_ids)
_quote_dt = [ _quote_dt = [
@ -56,16 +56,18 @@ _quote_dt = [
] ]
def mk_tbk(keys: Tuple[str, str, str]) -> str: def mk_tbk(keys: tuple[str, str, str]) -> str:
"""Generate a marketstore table key from a tuple. '''
Generate a marketstore table key from a tuple.
Converts, Converts,
``('SPY', '1Sec', 'TICK')`` -> ``"SPY/1Sec/TICK"``` ``('SPY', '1Sec', 'TICK')`` -> ``"SPY/1Sec/TICK"```
"""
'''
return '{}/' + '/'.join(keys) return '{}/' + '/'.join(keys)
def quote_to_marketstore_structarray( def quote_to_marketstore_structarray(
quote: Dict[str, Any], quote: dict[str, Any],
last_fill: Optional[float] last_fill: Optional[float]
) -> np.array: ) -> np.array:
''' '''
@ -83,7 +85,7 @@ def quote_to_marketstore_structarray(
secs, ns = now / 10**9, now % 10**9 secs, ns = now / 10**9, now % 10**9
# pack into List[Tuple[str, Any]] # pack into list[tuple[str, Any]]
array_input = [] array_input = []
# insert 'Epoch' entry first and then 'Nanoseconds'. # insert 'Epoch' entry first and then 'Nanoseconds'.
@ -123,17 +125,19 @@ async def get_client(
async def ingest_quote_stream( async def ingest_quote_stream(
symbols: List[str], symbols: list[str],
brokername: str, brokername: str,
tries: int = 1, tries: int = 1,
actorloglevel: str = None, loglevel: str = None,
) -> None: ) -> None:
''' '''
Ingest a broker quote stream into marketstore. Ingest a broker quote stream into a ``marketstore`` tsdb.
''' '''
async with ( async with (
open_feed(brokername, symbols, loglevel=actorloglevel) as feed, open_feed(brokername, symbols, loglevel=loglevel) as feed,
get_client() as ms_client get_client() as ms_client,
): ):
async for quotes in feed.stream: async for quotes in feed.stream:
log.info(quotes) log.info(quotes)
@ -152,30 +156,30 @@ async def ingest_quote_stream(
'Size': tick.get('size') 'Size': tick.get('size')
}, last_fill=quote.get('broker_ts', None)) }, last_fill=quote.get('broker_ts', None))
await ms_client.write( await ms_client.write(array, _tick_tbk)
array, _tick_tbk)
async def stream_quotes( async def stream_quotes(
symbols: List[str], symbols: list[str],
timeframe: str = '1Min', timeframe: str = '1Min',
attr_group: str = 'TICK', attr_group: str = 'TICK',
host: str = 'localhost', host: str = 'localhost',
port: int = 5993, port: int = 5993,
loglevel: str = None loglevel: str = None
) -> None: ) -> None:
''' '''
Open a symbol stream from a running instance of marketstore and Open a symbol stream from a running instance of marketstore and
log to console. log to console.
''' '''
tbks: Dict[str, str] = { tbks: dict[str, str] = {
sym: f'{sym}/{timeframe}/{attr_group}' for sym in symbols} sym: f'{sym}/{timeframe}/{attr_group}' for sym in symbols}
# async def stream_quotes( # async def stream_quotes(
# symbols: List[str], # symbols: list[str],
# host: str = 'localhost', # host: str = 'localhost',
# port: int = 5993, # port: int = 5993,
# diff_cached: bool = True, # diff_cached: bool = True,
@ -187,7 +191,7 @@ async def stream_quotes(
# # XXX: required to propagate ``tractor`` loglevel to piker logging # # XXX: required to propagate ``tractor`` loglevel to piker logging
# get_console_log(loglevel or tractor.current_actor().loglevel) # get_console_log(loglevel or tractor.current_actor().loglevel)
# #
# tbks: Dict[str, str] = {sym: f"{sym}/*/*" for sym in symbols} # tbks: dict[str, str] = {sym: f"{sym}/*/*" for sym in symbols}
# #
# async with open_websocket_url(f'ws://{host}:{port}/ws') as ws: # async with open_websocket_url(f'ws://{host}:{port}/ws') as ws:
# # send subs topics to server # # send subs topics to server
@ -196,7 +200,7 @@ async def stream_quotes(
# ) # )
# log.info(resp) # log.info(resp)
# #
# async def recv() -> Dict[str, Any]: # async def recv() -> dict[str, Any]:
# return msgpack.loads((await ws.get_message()), encoding='utf-8') # return msgpack.loads((await ws.get_message()), encoding='utf-8')
# #
# streams = (await recv())['streams'] # streams = (await recv())['streams']