Enable Sentry reporting with INI setting

tildes/production.ini.example

@@ -18,6 +18,9 @@ redis.sessions.timeout_trigger = 0
 # set session timeout to 1 hour by default, we'll extend it when people log in
 redis.sessions.timeout = 3600
 
+# this should only be set if you have a Sentry instance you want to send errors to
+sentry_dsn = https://key@sentry.io/project
+
 sqlalchemy.url = postgresql+psycopg2://tildes:@:6432/tildes
 
 tildes.default_user_comment_label_weight = 1.0

tildes/tildes/__init__.py

@@ -11,6 +11,8 @@ from pyramid.httpexceptions import HTTPTooManyRequests
 from pyramid.registry import Registry
 from pyramid.request import Request
 from redis import Redis
+import sentry_sdk
+from sentry_sdk.integrations.pyramid import PyramidIntegration
 from webassets import Bundle
 
 from tildes.lib.ratelimit import RATE_LIMITED_ACTIONS, RateLimitResult
@@ -59,6 +61,9 @@ def main(global_config: Dict[str, str], **settings: str) -> PrefixMiddleware:
     config.add_request_method(current_listing_base_url, "current_listing_base_url")
     config.add_request_method(current_listing_normal_url, "current_listing_normal_url")
 
+    if settings.get("sentry_dsn"):
+        sentry_sdk.init(dsn=settings["sentry_dsn"], integrations=[PyramidIntegration()])
+
     app = config.make_wsgi_app()
 
     force_port = global_config.get("prefixmiddleware_force_port")