Edit

[EDIT] FILE: bottle.py

from __future__ import absolute_import

from sentry_sdk.hub import Hub
from sentry_sdk.utils import (
    capture_internal_exceptions,
    event_from_exception,
    transaction_from_function,
)
from sentry_sdk.integrations import Integration, DidNotEnable
from sentry_sdk.integrations.wsgi import SentryWsgiMiddleware
from sentry_sdk.integrations._wsgi_common import RequestExtractor

from sentry_sdk._types import MYPY

if MYPY:
    from sentry_sdk.integrations.wsgi import _ScopedResponse
    from typing import Any
    from typing import Dict
    from typing import Callable
    from typing import Optional
    from bottle import FileUpload, FormsDict, LocalRequest  # type: ignore

from sentry_sdk._types import EventProcessor

try:
    from bottle import (
        Bottle,
        Route,
        request as bottle_request,
        HTTPResponse,
        __version__ as BOTTLE_VERSION,
    )
except ImportError:
    raise DidNotEnable("Bottle not installed")

TRANSACTION_STYLE_VALUES = ("endpoint", "url")

class BottleIntegration(Integration):
    identifier = "bottle"

transaction_style = None

def __init__(self, transaction_style="endpoint"):
        # type: (str) -> None

if transaction_style not in TRANSACTION_STYLE_VALUES:
            raise ValueError(
                "Invalid value for transaction_style: %s (must be in %s)"
                % (transaction_style, TRANSACTION_STYLE_VALUES)
            )
        self.transaction_style = transaction_style

@staticmethod
    def setup_once():
        # type: () -> None

try:
            version = tuple(map(int, BOTTLE_VERSION.split(".")))
        except (TypeError, ValueError):
            raise DidNotEnable("Unparsable Bottle version: {}".format(version))

if version < (0, 12):
            raise DidNotEnable("Bottle 0.12 or newer required.")

# monkey patch method Bottle.__call__
        old_app = Bottle.__call__

def sentry_patched_wsgi_app(self, environ, start_response):
            # type: (Any, Dict[str, str], Callable[..., Any]) -> _ScopedResponse

hub = Hub.current
            integration = hub.get_integration(BottleIntegration)
            if integration is None:
                return old_app(self, environ, start_response)

return SentryWsgiMiddleware(lambda *a, **kw: old_app(self, *a, **kw))(
                environ, start_response
            )

Bottle.__call__ = sentry_patched_wsgi_app

# monkey patch method Bottle._handle
        old_handle = Bottle._handle

def _patched_handle(self, environ):
            # type: (Bottle, Dict[str, Any]) -> Any
            hub = Hub.current
            integration = hub.get_integration(BottleIntegration)
            if integration is None:
                return old_handle(self, environ)

# create new scope
            scope_manager = hub.push_scope()

with scope_manager:
                app = self
                with hub.configure_scope() as scope:
                    scope._name = "bottle"
                    scope.add_event_processor(
                        _make_request_event_processor(app, bottle_request, integration)
                    )
                res = old_handle(self, environ)

# scope cleanup
            return res

Bottle._handle = _patched_handle

# monkey patch method Route._make_callback
        old_make_callback = Route._make_callback

def patched_make_callback(self, *args, **kwargs):
            # type: (Route, *object, **object) -> Any
            hub = Hub.current
            integration = hub.get_integration(BottleIntegration)
            prepared_callback = old_make_callback(self, *args, **kwargs)
            if integration is None:
                return prepared_callback

# If an integration is there, a client has to be there.
            client = hub.client  # type: Any

def wrapped_callback(*args, **kwargs):
                # type: (*object, **object) -> Any

try:
                    res = prepared_callback(*args, **kwargs)
                except HTTPResponse:
                    raise
                except Exception as exception:
                    event, hint = event_from_exception(
                        exception,
                        client_options=client.options,
                        mechanism={"type": "bottle", "handled": False},
                    )
                    hub.capture_event(event, hint=hint)
                    raise exception

return res

return wrapped_callback

Route._make_callback = patched_make_callback

class BottleRequestExtractor(RequestExtractor):
    def env(self):
        # type: () -> Dict[str, str]
        return self.request.environ

def cookies(self):
        # type: () -> Dict[str, str]
        return self.request.cookies

def raw_data(self):
        # type: () -> bytes
        return self.request.body.read()

def form(self):
        # type: () -> FormsDict
        if self.is_json():
            return None
        return self.request.forms.decode()

def files(self):
        # type: () -> Optional[Dict[str, str]]
        if self.is_json():
            return None

return self.request.files

def size_of_file(self, file):
        # type: (FileUpload) -> int
        return file.content_length

def _make_request_event_processor(app, request, integration):
    # type: (Bottle, LocalRequest, BottleIntegration) -> EventProcessor
    def inner(event, hint):
        # type: (Dict[str, Any], Dict[str, Any]) -> Dict[str, Any]

try:
            if integration.transaction_style == "endpoint":
                event["transaction"] = request.route.name or transaction_from_function(
                    request.route.callback
                )
            elif integration.transaction_style == "url":
                event["transaction"] = request.route.rule
        except Exception:
            pass

with capture_internal_exceptions():
            BottleRequestExtractor(request).extract_into_event(event)

return event

return inner

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