62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
import json
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import logging
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import sys
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import uuid
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import redis
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from cic_eth.api.api_task import Api
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from cic_eth.server.config import config
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log = logging.getLogger(__name__)
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chain_spec = config.get('CHAIN_SPEC')
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celery_queue = config.get('CELERY_QUEUE')
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api = Api(
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chain_spec,
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queue=celery_queue,
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)
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redis_host = config.get('REDIS_HOST')
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redis_port = config.get('REDIS_PORT')
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redis_db = config.get('REDIS_DB')
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def call(method, *args):
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""" Creates a redis channel and calls `cic_eth.api` with the provided `method` and `*args`. Returns the result of the api call
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"""
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redis_channel = str(uuid.uuid4())
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r = redis.Redis(redis_host, redis_port, redis_db)
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ps = r.pubsub()
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ps.subscribe(redis_channel)
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api = Api(
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chain_spec,
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queue=celery_queue,
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callback_param='{}:{}:{}:{}'.format(
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redis_host, redis_port, redis_db, redis_channel),
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callback_task='cic_eth.callbacks.redis.redis',
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callback_queue=celery_queue,
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)
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getattr(api, method)(*args)
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ps.get_message()
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try:
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o = ps.get_message(timeout=config.get('REDIS_TIMEOUT'))
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except TimeoutError as e:
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sys.stderr.write(
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f'cic_eth.api.{method}({args}) timed out:\n {e}')
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sys.exit(1)
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log.debug(f"cic_eth.api.{method}({args})\n {o}")
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ps.unsubscribe()
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try:
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result = json.loads(o['data'])["result"]
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return result
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except Exception as e:
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sys.stderr.write(
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f'Unable to parse Data:\n{o}\n Error:\n{e}')
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sys.exit(1)
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