59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
import logging
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import traceback
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from itertools import chain
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from flask import Flask, jsonify, request
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from funcy import flatten
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logger = logging.getLogger()
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class Nothing:
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pass
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def has_next(peekable_iter):
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return peekable_iter.peek(Nothing) == Nothing
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def set_up_processing_server(process_fn):
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app = Flask(__name__)
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response_payload_iter = []
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@app.route("/ready", methods=["GET"])
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def ready():
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resp = jsonify("OK")
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resp.status_code = 200
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return resp
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@app.route("/process", methods=["POST", "PATCH"])
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def process():
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response_payload = process_fn(request, final=request.method == "POST")
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return jsonify(response_payload)
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@app.route("/submit", methods=["POST"])
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def submit():
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nonlocal response_payload_iter
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response_payload_iter = chain(response_payload_iter, process_fn(request, final=True))
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return jsonify({"pickup_endpoint": "pickup"})
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@app.route("/pickup", methods=["GET"])
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def pickup():
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try:
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response_payload = next(response_payload_iter)
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print("response_payload", response_payload)
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resp = jsonify(response_payload)
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resp.status_code = 206
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except StopIteration:
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resp = jsonify("No more items left")
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resp.status_code = 204
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except Exception as err:
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logger.error(traceback.format_exc())
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return resp
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return app
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