Sentry error logging (#784)

core/sentry_setup.py

@@ -0,0 +1,42 @@
+from raven import Client
+from raven.versioning import fetch_git_sha
+from raven.conf import setup_logging
+from raven.handlers.logging import SentryHandler
+
+from pathlib import Path
+
+
+client = None
+
+
+def init_sentry_logging():
+    global client
+    client = Client(
+        dsn=("https://27f3915ba0144725a53ea5a99c9ae6f3:87913fb5d0894251821dcf06e5e9cfe6@"
+             "sentry.telemetry.red/19?verify_ssl=0"),
+        include_paths=(
+            'core',
+            'cogs.alias',
+            'cogs.audio',
+            'cogs.downloader',
+            'cogs.economy',
+            'cogs.general',
+            'cogs.image',
+            'cogs.streams',
+            'cogs.trivia',
+            'cogs.utils',
+            'tests.core.test_sentry',
+            'main',
+            'launcher'
+        ),
+        release=fetch_git_sha(str(Path.cwd()))
+    )
+
+    handler = SentryHandler(client)
+    setup_logging(
+        handler,
+        exclude=(
+            "asyncio",
+            "discord"
+        )
+    )