How to integrate a Falcon Framework (python) app with Opbeat, tracking errors and performance! Tested on pypy 5.0.1 and pypy-3.2 :)

0-opbeat_middleware.py

import opbeat.instrumentation.control

from opbeat.utils import build_name_with_http_method_prefix

from settings import DEBUG


opbeat_is_debug_mode = DEBUG
opbeat.instrumentation.control.instrument()


class OpbeatAPMMiddleware(object):
    """
    Falcon Framework middleware to track resources performance @ Opbeat
    """

    def __init__(self, client):
        self.client = client

    def process_request(self, req, resp):
        if not opbeat_is_debug_mode:
            self.client.begin_transaction("web.falcon")

    def process_response(self, req, resp, resource):
        name = "{}.{}".format(
            resource.__class__.__module__,
            resource.__class__.__name__
        )

        rule = build_name_with_http_method_prefix(name, req)

        try:
            status_code = int(resp.status.split(" ")[0])
        except (IndexError, TypeError):
            status_code = 200

        if not opbeat_is_debug_mode:
            self.client.end_transaction(rule, status_code)

1-app.py

import falcon

from opbeat import Client
from opbeat.middleware import Opbeat

from apps.my_resource import MyResource

from opbeat_middleware import OpbeatAPMMiddleware

from settings import OPBEAT_ORGANIZATION_ID, OPBEAT_APP_ID, OPBEAT_SECRET_TOKEN, DEBUG


client = Client(
    organization_id=OPBEAT_ORGANIZATION_ID,
    app_id=OPBEAT_APP_ID,
    secret_token=OPBEAT_SECRET_TOKEN,
    DEBUG=DEBUG,
    TIMEOUT=5
)

app = falcon.API(
    middleware=[
        OpbeatAPMMiddleware(client),
        ...
    ]
)

app.add_route('/path/to/some/resource/', MyResource())

app = Opbeat(app, client)