text: #  BSD 3-Clause License
  #
  #  Copyright (c) 2019, Elasticsearch BV
  #  All rights reserved.
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  #  Redistribution and use in source and binary forms, with or without
  #  modification, are permitted provided that the following conditions are met:
  #
  #  * Redistributions of source code must retain the above copyright notice, this
  #    list of conditions and the following disclaimer.
  #
  #  * Redistributions in binary form must reproduce the above copyright notice,
  #    this list of conditions and the following disclaimer in the documentation
  #    and/or other materials provided with the distribution.
  #
  #  * Neither the name of the copyright holder nor the names of its
  #    contributors may be used to endorse or promote products derived from
  #    this software without specific prior written permission.
  #
  #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  #  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  #  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  #  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  #  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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  #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  from elasticapm.instrumentation.packages.base import AbstractInstrumentedModule
  from elasticapm.traces import capture_span
  from elasticapm.utils import get_host_from_url, sanitize_url, url_to_destination
  
  
  class HttpxClientInstrumentation(AbstractInstrumentedModule):
      name = "httpx"
  
      instrument_list = [("httpx", "Client.send")]
  
      def call(self, module, method, wrapped, instance, args, kwargs):
          request = kwargs.get("request", args[0])
  
          request_method = request.method.upper()
          url = str(request.url)
          name = "{request_method} {host}".format(request_method=request_method, host=get_host_from_url(url))
          url = sanitize_url(url)
          destination = url_to_destination(url)
  
          with capture_span(
              name,
              span_type="external",
              span_subtype="http",
              extra={"http": {"url": url}, "destination": destination},
              leaf=True,
          ) as span:
              response = wrapped(*args, **kwargs)
              if response is not None:
                  if span.context:
                      span.context["http"]["status_code"] = response.status_code
                  span.set_success() if response.status_code < 400 else span.set_failure()
              return response
  