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# --------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for license information.
# --------------------------------------------------------------------------------------------
import time
import asyncio
from collections import defaultdict
from ._test_base import _EventHubProcessorTest
class ProcessEventsTest(_EventHubProcessorTest):
def __init__(self, arguments):
super().__init__(arguments)
self._partition_event_count = defaultdict(int)
def process_event_sync(self, partition_context, event):
if event:
if self.args.processing_delay:
delay_in_seconds = self.args.processing_delay / 1000
if self.args.processing_delay_strategy == "sleep":
time.sleep(delay_in_seconds)
elif self.args.processing_delay_strategy == "spin":
starttime = time.time()
while (time.time() - starttime) < delay_in_seconds:
pass
# Consume properties: this will load all the AMQP message application properties into
# a decoded dictionary.
_ = event.properties
# Consume body: this will load the full message body content.
_ = event.body
if self.args.checkpoint_interval:
self._partition_event_count[partition_context.partition_id] += 1
if self._partition_event_count[partition_context.partition_id] >= self.args.checkpoint_interval:
partition_context.update_checkpoint(event)
self._partition_event_count[partition_context.partition_id] = 0
try:
self.event_raised_sync()
except Exception as e:
self.error_raised_sync(e)
async def process_event_async(self, partition_context, event):
if event:
if self.args.processing_delay:
delay_in_seconds = self.args.processing_delay / 1000
if self.args.processing_delay_strategy == "sleep":
await asyncio.sleep(delay_in_seconds)
elif self.args.processing_delay_strategy == "spin":
starttime = time.time()
while (time.time() - starttime) < delay_in_seconds:
pass
# Consume properties: this will load all the AMQP message application properties into
# a decoded dictionary.
_ = event.properties
# Consume body: this will load the full message body content.
_ = event.body
if self.args.checkpoint_interval:
self._partition_event_count[partition_context.partition_id] += 1
if self._partition_event_count[partition_context.partition_id] >= self.args.checkpoint_interval:
await partition_context.update_checkpoint(event)
self._partition_event_count[partition_context.partition_id] = 0
try:
await self.event_raised_async()
except Exception as e:
await self.error_raised_async(e)
def process_error_sync(self, _, error):
self.error_raised_sync(error)
async def process_error_async(self, _, error):
await self.error_raised_async(error)
def start_events_sync(self) -> None:
"""
Start the process for receiving events.
"""
self.consumer.receive(
on_event=self.process_event_sync,
on_error=self.process_error_sync,
max_wait_time=self.args.max_wait_time,
prefetch=self.args.prefetch_count,
starting_position="-1", # "-1" is from the beginning of the partition.
)
async def start_events_async(self) -> None:
"""
Start the process for receiving events.
"""
await self.async_consumer.receive(
on_event=self.process_event_async,
on_error=self.process_error_async,
max_wait_time=self.args.max_wait_time,
prefetch=self.args.prefetch_count,
starting_position="-1", # "-1" is from the beginning of the partition.
)
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