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Initializes Celery app in CeleryEmitter. #196

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Julio Carlos Menendez (juliomenendez) wants to merge 1 commit into from
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Initializes Celery app in CeleryEmitter. #196

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29 changes: 17 additions & 12 deletions snowplow_tracker/emitters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,16 +52,6 @@

new_contract("redis", lambda x: isinstance(x, (redis.Redis, redis.StrictRedis)))

try:
# Check whether a custom Celery configuration module named "snowplow_celery_config" exists
import snowplow_celery_config
app = Celery()
app.config_from_object(snowplow_celery_config)

except ImportError:
# Otherwise configure Celery with default settings
app = Celery("Snowplow", broker="redis://guest@localhost//")


class Emitter(object):
"""
Expand Down Expand Up @@ -172,7 +162,6 @@ def reached_limit(self):
else:
return self.bytes_queued >= self.byte_limit or len(self.buffer) >= self.buffer_size

@task(name="Flush")
def flush(self):
"""
Sends all events in the buffer to the collector.
Expand Down Expand Up @@ -393,16 +382,32 @@ class CeleryEmitter(Emitter):
Works like the base Emitter class,
but on_success and on_failure callbacks cannot be set.
"""
celery_app = None

def __init__(self, endpoint, protocol="http", port=None, method="get", buffer_size=None, byte_limit=None):
super(CeleryEmitter, self).__init__(endpoint, protocol, port, method, buffer_size, None, None, byte_limit)

try:
# Check whether a custom Celery configuration module named "snowplow_celery_config" exists
import snowplow_celery_config
self.celery_app = Celery()
self.celery_app.config_from_object(snowplow_celery_config)
except ImportError:
# Otherwise configure Celery with default settings
self.celery_app = Celery("Snowplow", broker="redis://guest@localhost//")

self.async_flush = self.celery_app.task(self.async_flush)

def flush(self):
"""
Schedules a flush task
"""
super(CeleryEmitter, self).flush.delay()
self.async_flush.delay()
logger.info("Scheduled a Celery task to flush the event queue")

def async_flush(self):
super(CeleryEmitter, self).flush()


class RedisEmitter(object):
"""
Expand Down