werkzeug

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import json
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import sys
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from importlib import import_module
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from werkzeug.serving import generate_adhoc_ssl_context
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from werkzeug.serving import run_simple
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from werkzeug.wrappers import Request
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from werkzeug.wrappers import Response
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name = sys.argv[1]
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mod = import_module(f"{name}_app")
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@Request.application
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def app(request):
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    if request.path == "/ensure":
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        return Response()
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    return Response.from_app(mod.app, request.environ)
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kwargs = getattr(mod, "kwargs", {})
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kwargs.update(hostname="127.0.0.1", port=5000, application=app)
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kwargs.update(json.loads(sys.argv[2]))
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ssl_context = kwargs.get("ssl_context")
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if ssl_context == "custom":
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    kwargs["ssl_context"] = generate_adhoc_ssl_context()
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elif isinstance(ssl_context, list):
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    kwargs["ssl_context"] = tuple(ssl_context)
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run_simple(**kwargs)
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