Simplest scrapy extension to send all errors and exceptions to Sentry

extensions.py

import sentry_sdk
import os
from scrapy.exceptions import NotConfigured

class SentryLogging(object):
    """
    Send exceptions and errors to Sentry.
    """

    @classmethod
    def from_crawler(cls, crawler):
        if os.getenv('SENTRY_DSN', None) is None:
            raise NotConfigured

        sentry_sdk.init()
        # return the extension object
        return cls()

requirements.txt

sentry-sdk

settings.py

# Add the following lines to your settings.py file:
# ...


# Enable or disable extensions
# See https://doc.scrapy.org/en/latest/topics/extensions.html
EXTENSIONS = {
    'myproject.extensions.SentryLogging': -1, # Load SentryLogging extension before others
}