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main.py
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/
main.py
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# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Function used in Worker tests of handling HTTP functions."""
import flask
from flask import Response, stream_with_context
def function(request):
"""Test HTTP function that reads a stream of integers and returns a stream
providing the sum of values read so far.
Args:
request: The HTTP request which triggered this function. Must contain a
stream of new line separated integers.
Returns:
Value and status code defined for the given mode.
Raises:
Exception: Thrown when requested in the incoming mode specification.
"""
print("INVOKED THE STREAM FUNCTION!!!")
def generate():
sum_so_far = 0
for line in request.stream:
sum_so_far += float(line)
yield (str(sum_so_far) + "\n").encode("utf-8")
return Response(stream_with_context(generate()))