Changed crystal template, picked latest flask one

template/python3-flask/index.py

@@ -0,0 +1,41 @@
+# Copyright (c) Alex Ellis 2017. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+from flask import Flask, request
+from function import handler
+from waitress import serve
+import os
+
+app = Flask(__name__)
+
+# distutils.util.strtobool() can throw an exception
+def is_true(val):
+    return len(val) > 0 and val.lower() == "true" or val == "1"
+
+@app.before_request
+def fix_transfer_encoding():
+    """
+    Sets the "wsgi.input_terminated" environment flag, thus enabling
+    Werkzeug to pass chunked requests as streams.  The gunicorn server
+    should set this, but it's not yet been implemented.
+    """
+
+    transfer_encoding = request.headers.get("Transfer-Encoding", None)
+    if transfer_encoding == u"chunked":
+        request.environ["wsgi.input_terminated"] = True
+
+@app.route("/", defaults={"path": ""}, methods=["POST", "GET"])
+@app.route("/<path:path>", methods=["POST", "GET"])
+def main_route(path):
+    raw_body = os.getenv("RAW_BODY", "false")
+
+    as_text = True
+
+    if is_true(raw_body):
+        as_text = False
+    
+    ret = handler.handle(request.get_data(as_text=as_text))
+    return ret
+
+if __name__ == '__main__':
+    serve(app, host='0.0.0.0', port=5000)