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import sysimport weakref
 from inspect import isawaitable
 
 from sentry_sdk._compat import urlparse, reraise
 from sentry_sdk.hub import Hub
 from sentry_sdk.tracing import TRANSACTION_SOURCE_COMPONENT
 from sentry_sdk.utils import (
 capture_internal_exceptions,
 event_from_exception,
 HAS_REAL_CONTEXTVARS,
 CONTEXTVARS_ERROR_MESSAGE,
 parse_version,
 )
 from sentry_sdk.integrations import Integration, DidNotEnable
 from sentry_sdk.integrations._wsgi_common import RequestExtractor, _filter_headers
 from sentry_sdk.integrations.logging import ignore_logger
 
 from sentry_sdk._types import TYPE_CHECKING
 
 if TYPE_CHECKING:
 from typing import Any
 from typing import Callable
 from typing import Optional
 from typing import Union
 from typing import Tuple
 from typing import Dict
 
 from sanic.request import Request, RequestParameters
 
 from sentry_sdk._types import Event, EventProcessor, Hint
 from sanic.router import Route
 
 try:
 from sanic import Sanic, __version__ as SANIC_VERSION
 from sanic.exceptions import SanicException
 from sanic.router import Router
 from sanic.handlers import ErrorHandler
 except ImportError:
 raise DidNotEnable("Sanic not installed")
 
 old_error_handler_lookup = ErrorHandler.lookup
 old_handle_request = Sanic.handle_request
 old_router_get = Router.get
 
 try:
 # This method was introduced in Sanic v21.9
 old_startup = Sanic._startup
 except AttributeError:
 pass
 
 
 class SanicIntegration(Integration):
 identifier = "sanic"
 version = None
 
 @staticmethod
 def setup_once():
 # type: () -> None
 
 SanicIntegration.version = parse_version(SANIC_VERSION)
 
 if SanicIntegration.version is None:
 raise DidNotEnable("Unparsable Sanic version: {}".format(SANIC_VERSION))
 
 if SanicIntegration.version < (0, 8):
 raise DidNotEnable("Sanic 0.8 or newer required.")
 
 if not HAS_REAL_CONTEXTVARS:
 # We better have contextvars or we're going to leak state between
 # requests.
 raise DidNotEnable(
 "The sanic integration for Sentry requires Python 3.7+ "
 " or the aiocontextvars package." + CONTEXTVARS_ERROR_MESSAGE
 )
 
 if SANIC_VERSION.startswith("0.8."):
 # Sanic 0.8 and older creates a logger named "root" and puts a
 # stringified version of every exception in there (without exc_info),
 # which our error deduplication can't detect.
 #
 # We explicitly check the version here because it is a very
 # invasive step to ignore this logger and not necessary in newer
 # versions at all.
 #
 # https://github.com/huge-success/sanic/issues/1332
 ignore_logger("root")
 
 if SanicIntegration.version < (21, 9):
 _setup_legacy_sanic()
 return
 
 _setup_sanic()
 
 
 class SanicRequestExtractor(RequestExtractor):
 def content_length(self):
 # type: () -> int
 if self.request.body is None:
 return 0
 return len(self.request.body)
 
 def cookies(self):
 # type: () -> Dict[str, str]
 return dict(self.request.cookies)
 
 def raw_data(self):
 # type: () -> bytes
 return self.request.body
 
 def form(self):
 # type: () -> RequestParameters
 return self.request.form
 
 def is_json(self):
 # type: () -> bool
 raise NotImplementedError()
 
 def json(self):
 # type: () -> Optional[Any]
 return self.request.json
 
 def files(self):
 # type: () -> RequestParameters
 return self.request.files
 
 def size_of_file(self, file):
 # type: (Any) -> int
 return len(file.body or ())
 
 
 def _setup_sanic():
 # type: () -> None
 Sanic._startup = _startup
 ErrorHandler.lookup = _sentry_error_handler_lookup
 
 
 def _setup_legacy_sanic():
 # type: () -> None
 Sanic.handle_request = _legacy_handle_request
 Router.get = _legacy_router_get
 ErrorHandler.lookup = _sentry_error_handler_lookup
 
 
 async def _startup(self):
 # type: (Sanic) -> None
 # This happens about as early in the lifecycle as possible, just after the
 # Request object is created. The body has not yet been consumed.
 self.signal("http.lifecycle.request")(_hub_enter)
 
 # This happens after the handler is complete. In v21.9 this signal is not
 # dispatched when there is an exception. Therefore we need to close out
 # and call _hub_exit from the custom exception handler as well.
 # See https://github.com/sanic-org/sanic/issues/2297
 self.signal("http.lifecycle.response")(_hub_exit)
 
 # This happens inside of request handling immediately after the route
 # has been identified by the router.
 self.signal("http.routing.after")(_set_transaction)
 
 # The above signals need to be declared before this can be called.
 await old_startup(self)
 
 
 async def _hub_enter(request):
 # type: (Request) -> None
 hub = Hub.current
 request.ctx._sentry_do_integration = (
 hub.get_integration(SanicIntegration) is not None
 )
 
 if not request.ctx._sentry_do_integration:
 return
 
 weak_request = weakref.ref(request)
 request.ctx._sentry_hub = Hub(hub)
 request.ctx._sentry_hub.__enter__()
 
 with request.ctx._sentry_hub.configure_scope() as scope:
 scope.clear_breadcrumbs()
 scope.add_event_processor(_make_request_processor(weak_request))
 
 
 async def _hub_exit(request, **_):
 # type: (Request, **Any) -> None
 request.ctx._sentry_hub.__exit__(None, None, None)
 
 
 async def _set_transaction(request, route, **kwargs):
 # type: (Request, Route, **Any) -> None
 hub = Hub.current
 if hub.get_integration(SanicIntegration) is not None:
 with capture_internal_exceptions():
 with hub.configure_scope() as scope:
 route_name = route.name.replace(request.app.name, "").strip(".")
 scope.set_transaction_name(
 route_name, source=TRANSACTION_SOURCE_COMPONENT
 )
 
 
 def _sentry_error_handler_lookup(self, exception, *args, **kwargs):
 # type: (Any, Exception, *Any, **Any) -> Optional[object]
 _capture_exception(exception)
 old_error_handler = old_error_handler_lookup(self, exception, *args, **kwargs)
 
 if old_error_handler is None:
 return None
 
 if Hub.current.get_integration(SanicIntegration) is None:
 return old_error_handler
 
 async def sentry_wrapped_error_handler(request, exception):
 # type: (Request, Exception) -> Any
 try:
 response = old_error_handler(request, exception)
 if isawaitable(response):
 response = await response
 return response
 except Exception:
 # Report errors that occur in Sanic error handler. These
 # exceptions will not even show up in Sanic's
 # `sanic.exceptions` logger.
 exc_info = sys.exc_info()
 _capture_exception(exc_info)
 reraise(*exc_info)
 finally:
 # As mentioned in previous comment in _startup, this can be removed
 # after https://github.com/sanic-org/sanic/issues/2297 is resolved
 if SanicIntegration.version and SanicIntegration.version == (21, 9):
 await _hub_exit(request)
 
 return sentry_wrapped_error_handler
 
 
 async def _legacy_handle_request(self, request, *args, **kwargs):
 # type: (Any, Request, *Any, **Any) -> Any
 hub = Hub.current
 if hub.get_integration(SanicIntegration) is None:
 return old_handle_request(self, request, *args, **kwargs)
 
 weak_request = weakref.ref(request)
 
 with Hub(hub) as hub:
 with hub.configure_scope() as scope:
 scope.clear_breadcrumbs()
 scope.add_event_processor(_make_request_processor(weak_request))
 
 response = old_handle_request(self, request, *args, **kwargs)
 if isawaitable(response):
 response = await response
 
 return response
 
 
 def _legacy_router_get(self, *args):
 # type: (Any, Union[Any, Request]) -> Any
 rv = old_router_get(self, *args)
 hub = Hub.current
 if hub.get_integration(SanicIntegration) is not None:
 with capture_internal_exceptions():
 with hub.configure_scope() as scope:
 if SanicIntegration.version and SanicIntegration.version >= (21, 3):
 # Sanic versions above and including 21.3 append the app name to the
 # route name, and so we need to remove it from Route name so the
 # transaction name is consistent across all versions
 sanic_app_name = self.ctx.app.name
 sanic_route = rv[0].name
 
 if sanic_route.startswith("%s." % sanic_app_name):
 # We add a 1 to the len of the sanic_app_name because there is a dot
 # that joins app name and the route name
 # Format: app_name.route_name
 sanic_route = sanic_route[len(sanic_app_name) + 1 :]
 
 scope.set_transaction_name(
 sanic_route, source=TRANSACTION_SOURCE_COMPONENT
 )
 else:
 scope.set_transaction_name(
 rv[0].__name__, source=TRANSACTION_SOURCE_COMPONENT
 )
 
 return rv
 
 
 def _capture_exception(exception):
 # type: (Union[Tuple[Optional[type], Optional[BaseException], Any], BaseException]) -> None
 hub = Hub.current
 integration = hub.get_integration(SanicIntegration)
 if integration is None:
 return
 
 # If an integration is there, a client has to be there.
 client = hub.client  # type: Any
 
 with capture_internal_exceptions():
 event, hint = event_from_exception(
 exception,
 client_options=client.options,
 mechanism={"type": "sanic", "handled": False},
 )
 hub.capture_event(event, hint=hint)
 
 
 def _make_request_processor(weak_request):
 # type: (Callable[[], Request]) -> EventProcessor
 def sanic_processor(event, hint):
 # type: (Event, Optional[Hint]) -> Optional[Event]
 
 try:
 if hint and issubclass(hint["exc_info"][0], SanicException):
 return None
 except KeyError:
 pass
 
 request = weak_request()
 if request is None:
 return event
 
 with capture_internal_exceptions():
 extractor = SanicRequestExtractor(request)
 extractor.extract_into_event(event)
 
 request_info = event["request"]
 urlparts = urlparse.urlsplit(request.url)
 
 request_info["url"] = "%s://%s%s" % (
 urlparts.scheme,
 urlparts.netloc,
 urlparts.path,
 )
 
 request_info["query_string"] = urlparts.query
 request_info["method"] = request.method
 request_info["env"] = {"REMOTE_ADDR": request.remote_addr}
 request_info["headers"] = _filter_headers(dict(request.headers))
 
 return event
 
 return sanic_processor
 
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