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mirror of https://github.com/bspeice/metrik synced 2024-11-23 15:48:10 -05:00
metrik/metrik/tasks/tradeking.py
2016-08-25 17:56:03 -04:00

88 lines
3.0 KiB
Python

import requests
from requests_oauthlib import OAuth1Session
from luigi.parameter import DateParameter, Parameter
from datetime import timedelta
from dateutil.parser import parse
import logging
from metrik.tasks.base import MongoCreateTask, MongoRateLimit
from metrik.conf import get_config
class TradekingApi(object):
format_json = '.json'
format_xml = '.xml'
root_url = 'https://api.tradeking.com/v1/'
def __init__(self):
config = get_config()
self.session = OAuth1Session(
client_key=config.get('tradeking', 'consumer_key'),
client_secret=config.get('tradeking', 'consumer_secret'),
resource_owner_key=config.get('tradeking', 'oauth_token'),
resource_owner_secret=config.get('tradeking', 'oauth_token_secret')
)
def api_request(self, url, params=None, format=format_json, **kwargs):
full_url = self.root_url + url + format
return self.session.get(full_url, params=params, **kwargs)
class Tradeking1mTimesales(MongoCreateTask):
# While this is marked as an idempotent task, it only goes back about
# a week or so. Be careful.
present = DateParameter()
symbol = Parameter()
def get_collection_name(self):
return 'tradeking_1min'
@staticmethod
def retrieve_data(present, symbol):
ratelimit = MongoRateLimit()
tradeking = TradekingApi()
did_acquire = ratelimit.acquire_lock(
service='tradeking',
limit=60,
interval=timedelta(minutes=1)
)
if did_acquire:
response = tradeking.api_request('market/timesales', {
'symbols': symbol,
'interval': '1min',
'startdate': present.strftime('%Y-%m-%d'),
'enddate': present.strftime('%Y-%m-%d')
})
json_data = response.json()
quotes = json_data['response']['quotes']['quote']
def format_quote(quote):
if type(quote) != dict:
logging.warning('Bad quote for symbol {}: {}'.format(symbol, quote))
return {}
else:
return {
'last': float(quote['last']),
'lo': float(quote['lo']),
'vl': int(quote['vl']),
'datetime': parse(quote['datetime']),
'incr_vl': int(quote['incr_vl']),
'hi': float(quote['hi']),
'timestamp': parse(quote['timestamp']),
'date': parse(quote['date']),
'opn': float(quote['opn'])
}
quotes_typed = [format_quote(q) for q in quotes]
return {
'symbol': symbol,
'quotes': quotes_typed
}
else:
logging.error('Unable to acquire lock for Tradeking ticker {}'
.format(symbol))
return {}