Tyler King
89a054d656
Python SDK for shellbound Django applications. Provides ShellApp, ShardContext, ShellboundMiddleware. Emits Chronicle events to stdout in dev mode. Includes fix for IndexError in apps.py when DJANGO_SETTINGS_MODULE has no dots (e.g. instance_settings). Shard name now falls back safely without eager default argument parsing. Implements SHELLBOUND-APP-0001 §4 (dev mode). Wired into entropyopposition as of 2026-03-18.
66 lines
1.9 KiB
Python
66 lines
1.9 KiB
Python
"""Django middleware — emits APP_DJANGO_REQUEST for every request. Non-fatal."""
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import logging
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import time
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logger = logging.getLogger(__name__)
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_emitter = None
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def set_emitter(emitter):
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global _emitter
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_emitter = emitter
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class ShellboundMiddleware:
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"""WSGI middleware emitting Chronicle events per Django request."""
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def __init__(self, get_response):
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self.get_response = get_response
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def __call__(self, request):
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start = time.monotonic()
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response = self.get_response(request)
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duration_ms = (time.monotonic() - start) * 1000
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try:
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if _emitter:
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_emitter.request(
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method=request.method,
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path=request.path,
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status=response.status_code,
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duration_ms=round(duration_ms, 2),
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actor_did=_extract_did(request),
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view_name=_extract_view(request),
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)
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except Exception as e:
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logger.debug("Chronicle middleware non-fatal: %s", e)
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return response
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def _extract_did(request) -> str:
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"""Extract actor DID from request auth context."""
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if hasattr(request, "auth") and request.auth:
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claims = getattr(request.auth, "payload", {})
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if isinstance(claims, dict):
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did = claims.get("substrate_did", "")
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if did:
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return did
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if hasattr(request, "user") and request.user and getattr(request.user, "is_authenticated", False):
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user = request.user
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if hasattr(user, "external_id") and user.external_id:
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org = getattr(user, "organization", None)
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if org:
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return f"did:web:guildhouse.dev:{org.slug}:user:{user.external_id}"
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return ""
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def _extract_view(request) -> str:
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resolver = getattr(request, "resolver_match", None)
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if resolver:
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return resolver.view_name or getattr(resolver.func, "__name__", "")
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return ""
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