Remove nohub/CaptureExceptionMiddleware

these were development-tools in the 'cornless' disposable web-server style;
not using them now, and if I ever need them back I'll dig them out of the git history.

see https://www.bugsink.com/blog/disposable-web-servers/

sentry_sdk_extensions/nohub.py

@@ -1,130 +0,0 @@
-# Like the default sentry_sdk, but without hubs, scopes, transactions and all kinds of other magic. Just a way to send
-# an error synchronously when it happens.
-
-import time
-import uuid
-import sys
-import logging
-import json
-import requests
-from contextlib import contextmanager
-
-from sentry_sdk.utils import exc_info_from_error, event_from_exception, walk_exception_chain
-from sentry_sdk.serializer import serialize
-from sentry_sdk.integrations.django.templates import get_template_frame_from_exception
-
-
-from compat.dsn import get_envelope_url, get_header_value
-
-# the lazy choice: I've already got loggers set up for bugsink; I'll just use them. Better would be: just use "sentry"
-logger = logging.getLogger("bugsink.sentry")
-
-
-def get_default_client_options():
-    return {
-        "include_local_variables": True,
-        "include_source_context": True,
-        "max_value_length": 1000,
-    }
-
-
-def capture_exception(dsn, error=None, client_options=None):
-    try:
-        if error is not None:
-            exc_info = exc_info_from_error(error)
-        else:
-            exc_info = sys.exc_info()
-
-        event, hint = event_from_exception(exc_info, client_options=client_options)
-        event["event_id"] = uuid.uuid4().hex
-        event["timestamp"] = time.time()
-        event["platform"] = "python"
-
-        # this makes our setup Django-specific; it may not be what we generally want, but it's what I need now.
-        process_django_templates(event, hint)
-
-        serialized_event = serialize(event)
-    except Exception as e:
-        logger.warning("sentry_sdk_extensions.nohub.capture_exception Error: %s", e)
-        return None
-
-    return send_to_server(dsn, serialized_event)
-
-
-def send_to_server(dsn, data):
-    try:
-        headers = {
-            "Content-Type": "application/json",
-            "X-Sentry-Auth": get_header_value(dsn),
-        }
-        data_bytes = json.dumps(data).encode("utf-8")
-
-        # the smallest possible envelope:
-        data_bytes = (b'{"event_id": "%s"}\n{"type": "event"}\n' % (data["event_id"]).encode("utf-8") + data_bytes)
-
-        response = requests.post(
-            get_envelope_url(dsn),
-            headers=headers,
-            data=data_bytes,
-        )
-
-        response.raise_for_status()
-        return data["event_id"]
-    except Exception as e:
-        logger.warning("sentry_sdk_extensions.nohub.send_to_server Error: %s", e)
-        return None
-
-
-@contextmanager
-def capture_exceptions(dsn, client_options=None):
-    try:
-        yield
-    except Exception as e:
-        capture_exception(dsn, error=e, client_options=client_options)
-        raise
-
-
-def process_django_templates(event, hint):
-    # Copied from sentry_sdk.integrations.django, but in a way that way can reference it (it's an inner function at the
-    # original location)
-    # Only works when TEMPLATES['OPTIONS']['debug'] is True (for obvious reasons).
-
-    if hint is None:
-        return event
-
-    exc_info = hint.get("exc_info", None)
-
-    if exc_info is None:
-        return event
-
-    exception = event.get("exception", None)
-
-    if exception is None:
-        return event
-
-    values = exception.get("values", None)
-
-    if values is None:
-        return event
-
-    for exception, (_, exc_value, _) in zip(
-        reversed(values), walk_exception_chain(exc_info)
-    ):
-        frame = get_template_frame_from_exception(exc_value)
-        if frame is not None:
-            frames = exception.get("stacktrace", {}).get("frames", [])
-
-            for i in reversed(range(len(frames))):
-                f = frames[i]
-                if (
-                    f.get("function") in ("Parser.parse", "parse", "render")
-                    and f.get("module") == "django.template.base"
-                ):
-                    i += 1
-                    break
-            else:
-                i = len(frames)
-
-            frames.insert(i, frame)
-
-    return event