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client.py
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import os import uuid import random from datetime import datetime from itertools import islice import socket from sentry_sdk._compat import string_types, text_type, iteritems from sentry_sdk.utils import ( capture_internal_exceptions, current_stacktrace, disable_capture_event, format_timestamp, get_type_name, get_default_release, get_default_environment, handle_in_app, logger, ) from sentry_sdk.serializer import serialize from sentry_sdk.transport import make_transport from sentry_sdk.consts import DEFAULT_OPTIONS, SDK_INFO, ClientConstructor from sentry_sdk.integrations import setup_integrations from sentry_sdk.utils import ContextVar from sentry_sdk.sessions import SessionFlusher from sentry_sdk.envelope import Envelope from sentry_sdk._types import MYPY if MYPY: from typing import Any from typing import Callable from typing import Dict from typing import List from typing import Optional from sentry_sdk.scope import Scope from sentry_sdk._types import Event, Hint from sentry_sdk.sessions import Session _client_init_debug = ContextVar("client_init_debug") def _get_options(*args, **kwargs): # type: (*Optional[str], **Any) -> Dict[str, Any] if args and (isinstance(args[0], (text_type, bytes, str)) or args[0] is None): dsn = args[0] # type: Optional[str] args = args[1:] else: dsn = None rv = dict(DEFAULT_OPTIONS) options = dict(*args, **kwargs) if dsn is not None and options.get("dsn") is None: options["dsn"] = dsn for key, value in iteritems(options): if key not in rv: raise TypeError("Unknown option %r" % (key,)) rv[key] = value if rv["dsn"] is None: rv["dsn"] = os.environ.get("SENTRY_DSN") if rv["release"] is None: rv["release"] = get_default_release() if rv["environment"] is None: rv["environment"] = get_default_environment(rv["release"]) if rv["server_name"] is None and hasattr(socket, "gethostname"): rv["server_name"] = socket.gethostname() return rv class _Client(object): """The client is internally responsible for capturing the events and forwarding them to sentry through the configured transport. It takes the client options as keyword arguments and optionally the DSN as first argument. """ def __init__(self, *args, **kwargs): # type: (*Any, **Any) -> None self.options = get_options(*args, **kwargs) # type: Dict[str, Any] self._init_impl() def __getstate__(self): # type: () -> Any return {"options": self.options} def __setstate__(self, state): # type: (Any) -> None self.options = state["options"] self._init_impl() def _init_impl(self): # type: () -> None old_debug = _client_init_debug.get(False) def _send_sessions(sessions): # type: (List[Any]) -> None transport = self.transport if not transport or not sessions: return sessions_iter = iter(sessions) while True: envelope = Envelope() for session in islice(sessions_iter, 100): envelope.add_session(session) if not envelope.items: break transport.capture_envelope(envelope) try: _client_init_debug.set(self.options["debug"]) self.transport = make_transport(self.options) self.session_flusher = SessionFlusher(flush_func=_send_sessions) request_bodies = ("always", "never", "small", "medium") if self.options["request_bodies"] not in request_bodies: raise ValueError( "Invalid value for request_bodies. Must be one of {}".format( request_bodies ) ) self.integrations = setup_integrations( self.options["integrations"], with_defaults=self.options["default_integrations"], with_auto_enabling_integrations=self.options[ "auto_enabling_integrations" ], ) finally: _client_init_debug.set(old_debug) @property def dsn(self): # type: () -> Optional[str] """Returns the configured DSN as string.""" return self.options["dsn"] def _prepare_event( self, event, # type: Event hint, # type: Hint scope, # type: Optional[Scope] ): # type: (...) -> Optional[Event] if event.get("timestamp") is None: event["timestamp"] = datetime.utcnow() if scope is not None: event_ = scope.apply_to_event(event, hint) if event_ is None: return None event = event_ if ( self.options["attach_stacktrace"] and "exception" not in event and "stacktrace" not in event and "threads" not in event ): with capture_internal_exceptions(): event["threads"] = { "values": [ { "stacktrace": current_stacktrace( self.options["with_locals"] ), "crashed": False, "current": True, } ] } for key in "release", "environment", "server_name", "dist": if event.get(key) is None and self.options[key] is not None: event[key] = text_type(self.options[key]).strip() if event.get("sdk") is None: sdk_info = dict(SDK_INFO) sdk_info["integrations"] = sorted(self.integrations.keys()) event["sdk"] = sdk_info if event.get("platform") is None: event["platform"] = "python" event = handle_in_app( event, self.options["in_app_exclude"], self.options["in_app_include"] ) # Postprocess the event here so that annotated types do # generally not surface in before_send if event is not None: event = serialize( event, smart_transaction_trimming=self.options["_experiments"].get( "smart_transaction_trimming" ), ) before_send = self.options["before_send"] if before_send is not None and event.get("type") != "transaction": new_event = None with capture_internal_exceptions(): new_event = before_send(event, hint or {}) if new_event is None: logger.info("before send dropped event (%s)", event) event = new_event # type: ignore return event def _is_ignored_error(self, event, hint): # type: (Event, Hint) -> bool exc_info = hint.get("exc_info") if exc_info is None: return False type_name = get_type_name(exc_info[0]) full_name = "%s.%s" % (exc_info[0].__module__, type_name) for errcls in self.options["ignore_errors"]: # String types are matched against the type name in the # exception only if isinstance(errcls, string_types): if errcls == full_name or errcls == type_name: return True else: if issubclass(exc_info[0], errcls): return True return False def _should_capture( self, event, # type: Event hint, # type: Hint scope=None, # type: Optional[Scope] ): # type: (...) -> bool if event.get("type") == "transaction": # Transactions are sampled independent of error events. return True if scope is not None and not scope._should_capture: return False if ( self.options["sample_rate"] < 1.0 and random.random() >= self.options["sample_rate"] ): return False if self._is_ignored_error(event, hint): return False return True def _update_session_from_event( self, session, # type: Session event, # type: Event ): # type: (...) -> None crashed = False errored = False user_agent = None exceptions = (event.get("exception") or {}).get("values") if exceptions: errored = True for error in exceptions: mechanism = error.get("mechanism") if mechanism and mechanism.get("handled") is False: crashed = True break user = event.get("user") if session.user_agent is None: headers = (event.get("request") or {}).get("headers") for (k, v) in iteritems(headers or {}): if k.lower() == "user-agent": user_agent = v break session.update( status="crashed" if crashed else None, user=user, user_agent=user_agent, errors=session.errors + (errored or crashed), ) def capture_event( self, event, # type: Event hint=None, # type: Optional[Hint] scope=None, # type: Optional[Scope] ): # type: (...) -> Optional[str] """Captures an event. :param event: A ready-made event that can be directly sent to Sentry. :param hint: Contains metadata about the event that can be read from `before_send`, such as the original exception object or a HTTP request object. :returns: An event ID. May be `None` if there is no DSN set or of if the SDK decided to discard the event for other reasons. In such situations setting `debug=True` on `init()` may help. """ if disable_capture_event.get(False): return None if self.transport is None: return None if hint is None: hint = {} event_id = event.get("event_id") hint = dict(hint or ()) # type: Hint if event_id is None: event["event_id"] = event_id = uuid.uuid4().hex if not self._should_capture(event, hint, scope): return None event_opt = self._prepare_event(event, hint, scope) if event_opt is None: return None # whenever we capture an event we also check if the session needs # to be updated based on that information. session = scope._session if scope else None if session: self._update_session_from_event(session, event) attachments = hint.get("attachments") is_transaction = event_opt.get("type") == "transaction" if is_transaction or attachments: # Transactions or events with attachments should go to the # /envelope/ endpoint. envelope = Envelope( headers={ "event_id": event_opt["event_id"], "sent_at": format_timestamp(datetime.utcnow()), } ) if is_transaction: envelope.add_transaction(event_opt) else: envelope.add_event(event_opt) for attachment in attachments or (): envelope.add_item(attachment.to_envelope_item()) self.transport.capture_envelope(envelope) else: # All other events go to the /store/ endpoint. self.transport.capture_event(event_opt) return event_id def capture_session( self, session # type: Session ): # type: (...) -> None if not session.release: logger.info("Discarded session update because of missing release") else: self.session_flusher.add_session(session) def close( self, timeout=None, # type: Optional[float] callback=None, # type: Optional[Callable[[int, float], None]] ): # type: (...) -> None """ Close the client and shut down the transport. Arguments have the same semantics as :py:meth:`Client.flush`. """ if self.transport is not None: self.flush(timeout=timeout, callback=callback) self.session_flusher.kill() self.transport.kill() self.transport = None def flush( self, timeout=None, # type: Optional[float] callback=None, # type: Optional[Callable[[int, float], None]] ): # type: (...) -> None """ Wait for the current events to be sent. :param timeout: Wait for at most `timeout` seconds. If no `timeout` is provided, the `shutdown_timeout` option value is used. :param callback: Is invoked with the number of pending events and the configured timeout. """ if self.transport is not None: if timeout is None: timeout = self.options["shutdown_timeout"] self.session_flusher.flush() self.transport.flush(timeout=timeout, callback=callback) def __enter__(self): # type: () -> _Client return self def __exit__(self, exc_type, exc_value, tb): # type: (Any, Any, Any) -> None self.close() from sentry_sdk._types import MYPY if MYPY: # Make mypy, PyCharm and other static analyzers think `get_options` is a # type to have nicer autocompletion for params. # # Use `ClientConstructor` to define the argument types of `init` and # `Dict[str, Any]` to tell static analyzers about the return type. class get_options(ClientConstructor, Dict[str, Any]): # noqa: N801 pass class Client(ClientConstructor, _Client): pass else: # Alias `get_options` for actual usage. Go through the lambda indirection # to throw PyCharm off of the weakly typed signature (it would otherwise # discover both the weakly typed signature of `_init` and our faked `init` # type). get_options = (lambda: _get_options)() Client = (lambda: _Client)()