def test_register():
try:
class MyCodec(Codec):
...
register('mine', MyCodec)
assert get_codec('mine') is MyCodec
finally:
codecs.pop('mine')
def test_register():
try:
class MyCodec(Codec):
...
register("mine", MyCodec)
assert get_codec("mine") is MyCodec
finally:
codecs.pop("mine")
logger = logging.getLogger(__name__)
CONFIG = load_config(os.environ.get('CONFIG'))()
KAFKA_BROKER = SETTINGS.get("confluent", "bootstrap.servers")
SCHEMA_REGISTRY_URL = SETTINGS.get("confluent", "schema.registry.url")
app = faust.App(id=CONFIG.consumer_name, broker="kafka://" + KAFKA_BROKER)
source_topic = app.topic(CONFIG.source_topic, value_serializer="FaustAvroSerializer")
out_topic = app.topic(CONFIG.output_topic, value_serializer="FaustAvroSerializer", key_serializer="FaustAvroKeySerializer")
schema_registry_client = CachedSchemaRegistryClient(url=SCHEMA_REGISTRY_URL)
out_schema = parse_schema_descriptor(CONFIG.output_value_schema)
out_key_schema = parse_schema_descriptor(CONFIG.output_key_schema)
codecs.register("FaustAvroSerializer", FaustAvroSerializer(schema_registry_client=schema_registry_client,
destination_topic=out_topic.topics[0],
schema=out_schema.schema))
codecs.register("FaustAvroKeySerializer", FaustAvroSerializer(schema_registry_client=schema_registry_client,
destination_topic=out_topic.topics[0],
schema=out_key_schema.schema,
is_key=True))
@app.agent(source_topic)
async def score(stream):
async for records in stream.take(1000, within=30):
# Your processing code here
import logging
import os
import ssl
from typing import Type
import faust
from faust.serializers import codecs
from aiodeu.codecs import AvroJsonCodec
from aiodeu.config import Config
from aiodeu.utils import write_to_file
codecs.register('AvroJsonCodec', AvroJsonCodec())
logger = logging.getLogger(__name__)
def create_app(config: Type[Config], faust_app_kwargs: dict = {}) -> faust.App:
app_kwargs = {
"broker": config.BROKER_LIST,
"value_serializer": "AvroJsonCodec",
"store": "memory://",
"topic_replication_factor": 3,
"topic_partitions": 12,
"topic_allow_declare": False,
"topic_disable_leader": True,
"consumer_auto_offset_reset": "earliest",
# "stream_wait_empty": False
}
app_kwargs.update(faust_app_kwargs)
from faust.serializers import codecs
from faust_s3_backed_serializer import S3BackedSerializer
import faust
broker = "kafka://localhost:9094"
input_topic = "texts"
app = faust.App("faust-s3-backed-demo", broker=broker)
value_serializer = "s3_backed_str_serializer"
str_serializer = codecs.get_codec("raw")
s3_serializer = S3BackedSerializer()
codecs.register(value_serializer, str_serializer | s3_serializer)
schema = faust.Schema(key_type=str,
key_serializer="raw",
value_type=str,
value_serializer=value_serializer)
texts_topic = app.topic(input_topic, schema=schema)
@app.agent(texts_topic)
async def print_length(texts):
async for key, text in texts.items():
print("{} has {} characters".format(key, len(text)))
if __name__ == '__main__':
app.main()