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import os
import uuid
import random
import socket
from collections.abc import Mapping
from datetime import datetime, timezone
from importlib import import_module
from typing import cast
from sentry_sdk._compat import PY37, check_uwsgi_thread_support
from sentry_sdk.utils import (
capture_internal_exceptions,
current_stacktrace,
format_timestamp,
get_sdk_name,
get_type_name,
get_default_release,
handle_in_app,
is_gevent,
logger,
)
from sentry_sdk.serializer import serialize
from sentry_sdk.tracing import trace
from sentry_sdk.transport import HttpTransport, make_transport
from sentry_sdk.consts import (
DEFAULT_MAX_VALUE_LENGTH,
DEFAULT_OPTIONS,
INSTRUMENTER,
VERSION,
ClientConstructor,
)
from sentry_sdk.integrations import _DEFAULT_INTEGRATIONS, setup_integrations
from sentry_sdk.utils import ContextVar
from sentry_sdk.sessions import SessionFlusher
from sentry_sdk.envelope import Envelope
from sentry_sdk.profiler.continuous_profiler import setup_continuous_profiler
from sentry_sdk.profiler.transaction_profiler import (
has_profiling_enabled,
Profile,
setup_profiler,
)
from sentry_sdk.scrubber import EventScrubber
from sentry_sdk.monitor import Monitor
from sentry_sdk.spotlight import setup_spotlight
from sentry_sdk._types import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Any
from typing import Callable
from typing import Dict
from typing import Optional
from typing import Sequence
from typing import Type
from typing import Union
from sentry_sdk._types import Event, Hint, SDKInfo
from sentry_sdk.integrations import Integration
from sentry_sdk.metrics import MetricsAggregator
from sentry_sdk.scope import Scope
from sentry_sdk.session import Session
from sentry_sdk.transport import Transport
_client_init_debug = ContextVar("client_init_debug")
SDK_INFO = {
"name": "sentry.python", # SDK name will be overridden after integrations have been loaded with sentry_sdk.integrations.setup_integrations()
"version": VERSION,
"packages": [{"name": "pypi:sentry-sdk", "version": VERSION}],
} # type: SDKInfo
def _get_options(*args, **kwargs):
# type: (*Optional[str], **Any) -> Dict[str, Any]
if args and (isinstance(args[0], (bytes, str)) or args[0] is None):
dsn = args[0] # type: Optional[str]
args = args[1:]
else:
dsn = None
if len(args) > 1:
raise TypeError("Only single positional argument is expected")
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 options.items():
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"] = os.environ.get("SENTRY_ENVIRONMENT") or "production"
if rv["debug"] is None:
rv["debug"] = os.environ.get("SENTRY_DEBUG", "False").lower() in (
"true",
"1",
"t",
)
if rv["server_name"] is None and hasattr(socket, "gethostname"):
rv["server_name"] = socket.gethostname()
if rv["instrumenter"] is None:
rv["instrumenter"] = INSTRUMENTER.SENTRY
if rv["project_root"] is None:
try:
project_root = os.getcwd()
except Exception:
project_root = None
rv["project_root"] = project_root
if rv["enable_tracing"] is True and rv["traces_sample_rate"] is None:
rv["traces_sample_rate"] = 1.0
if rv["event_scrubber"] is None:
rv["event_scrubber"] = EventScrubber()
if rv["socket_options"] and not isinstance(rv["socket_options"], list):
logger.warning(
"Ignoring socket_options because of unexpected format. See urllib3.HTTPConnection.socket_options for the expected format."
)
rv["socket_options"] = None
return rv
try:
# Python 3.6+
module_not_found_error = ModuleNotFoundError
except Exception:
# Older Python versions
module_not_found_error = ImportError # type: ignore
class BaseClient:
"""
.. versionadded:: 2.0.0
The basic definition of a client that is used for sending data to Sentry.
"""
def __init__(self, options=None):
# type: (Optional[Dict[str, Any]]) -> None
self.options = (
options if options is not None else DEFAULT_OPTIONS
) # type: Dict[str, Any]
self.transport = None # type: Optional[Transport]
self.monitor = None # type: Optional[Monitor]
self.metrics_aggregator = None # type: Optional[MetricsAggregator]
def __getstate__(self, *args, **kwargs):
# type: (*Any, **Any) -> Any
return {"options": {}}
def __setstate__(self, *args, **kwargs):
# type: (*Any, **Any) -> None
pass
@property
def dsn(self):
# type: () -> Optional[str]
return None
def should_send_default_pii(self):
# type: () -> bool
return False
def is_active(self):
# type: () -> bool
"""
.. versionadded:: 2.0.0
Returns whether the client is active (able to send data to Sentry)
"""
return False
def capture_event(self, *args, **kwargs):
# type: (*Any, **Any) -> Optional[str]
return None
def capture_session(self, *args, **kwargs):
# type: (*Any, **Any) -> None
return None
def get_integration(self, *args, **kwargs):
# type: (*Any, **Any) -> Any
return None
def close(self, *args, **kwargs):
# type: (*Any, **Any) -> None
return None
def flush(self, *args, **kwargs):
# type: (*Any, **Any) -> None
return None
def __enter__(self):
# type: () -> BaseClient
return self
def __exit__(self, exc_type, exc_value, tb):
# type: (Any, Any, Any) -> None
return None
class NonRecordingClient(BaseClient):
"""
.. versionadded:: 2.0.0
A client that does not send any events to Sentry. This is used as a fallback when the Sentry SDK is not yet initialized.
"""
pass
class _Client(BaseClient):
"""
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.
Alias of :py:class:`sentry_sdk.Client`. (Was created for better intelisense support)
"""
def __init__(self, *args, **kwargs):
# type: (*Any, **Any) -> None
super(_Client, self).__init__(options=get_options(*args, **kwargs))
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 _setup_instrumentation(self, functions_to_trace):
# type: (Sequence[Dict[str, str]]) -> None
"""
Instruments the functions given in the list `functions_to_trace` with the `@sentry_sdk.tracing.trace` decorator.
"""
for function in functions_to_trace:
class_name = None
function_qualname = function["qualified_name"]
module_name, function_name = function_qualname.rsplit(".", 1)
try:
# Try to import module and function
# ex: "mymodule.submodule.funcname"
module_obj = import_module(module_name)
function_obj = getattr(module_obj, function_name)
setattr(module_obj, function_name, trace(function_obj))
logger.debug("Enabled tracing for %s", function_qualname)
except module_not_found_error:
try:
# Try to import a class
# ex: "mymodule.submodule.MyClassName.member_function"
module_name, class_name = module_name.rsplit(".", 1)
module_obj = import_module(module_name)
class_obj = getattr(module_obj, class_name)
function_obj = getattr(class_obj, function_name)
function_type = type(class_obj.__dict__[function_name])
traced_function = trace(function_obj)
if function_type in (staticmethod, classmethod):
traced_function = staticmethod(traced_function)
setattr(class_obj, function_name, traced_function)
setattr(module_obj, class_name, class_obj)
logger.debug("Enabled tracing for %s", function_qualname)
except Exception as e:
logger.warning(
"Can not enable tracing for '%s'. (%s) Please check your `functions_to_trace` parameter.",
function_qualname,
e,
)
except Exception as e:
logger.warning(
"Can not enable tracing for '%s'. (%s) Please check your `functions_to_trace` parameter.",
function_qualname,
e,
)
def _init_impl(self):
# type: () -> None
old_debug = _client_init_debug.get(False)
def _capture_envelope(envelope):
# type: (Envelope) -> None
if self.transport is not None:
self.transport.capture_envelope(envelope)
try:
_client_init_debug.set(self.options["debug"])
self.transport = make_transport(self.options)
self.monitor = None
if self.transport:
if self.options["enable_backpressure_handling"]:
self.monitor = Monitor(self.transport)
self.session_flusher = SessionFlusher(capture_func=_capture_envelope)
self.metrics_aggregator = None # type: Optional[MetricsAggregator]
experiments = self.options.get("_experiments", {})
if experiments.get("enable_metrics", True):
# Context vars are not working correctly on Python <=3.6
# with gevent.
metrics_supported = not is_gevent() or PY37
if metrics_supported:
from sentry_sdk.metrics import MetricsAggregator
self.metrics_aggregator = MetricsAggregator(
capture_func=_capture_envelope,
enable_code_locations=bool(
experiments.get("metric_code_locations", True)
),
)
else:
logger.info(
"Metrics not supported on Python 3.6 and lower with gevent."
)
max_request_body_size = ("always", "never", "small", "medium")
if self.options["max_request_body_size"] not in max_request_body_size:
raise ValueError(
"Invalid value for max_request_body_size. Must be one of {}".format(
max_request_body_size
)
)
if self.options["_experiments"].get("otel_powered_performance", False):
logger.debug(
"[OTel] Enabling experimental OTel-powered performance monitoring."
)
self.options["instrumenter"] = INSTRUMENTER.OTEL
if (
"sentry_sdk.integrations.opentelemetry.integration.OpenTelemetryIntegration"
not in _DEFAULT_INTEGRATIONS
):
_DEFAULT_INTEGRATIONS.append(
"sentry_sdk.integrations.opentelemetry.integration.OpenTelemetryIntegration",
)
self.integrations = setup_integrations(
self.options["integrations"],
with_defaults=self.options["default_integrations"],
with_auto_enabling_integrations=self.options[
"auto_enabling_integrations"
],
disabled_integrations=self.options["disabled_integrations"],
)
self.spotlight = None
if self.options.get("spotlight"):
self.spotlight = setup_spotlight(self.options)
sdk_name = get_sdk_name(list(self.integrations.keys()))
SDK_INFO["name"] = sdk_name
logger.debug("Setting SDK name to '%s'", sdk_name)
if has_profiling_enabled(self.options):
try:
setup_profiler(self.options)
except Exception as e:
logger.debug("Can not set up profiler. (%s)", e)
else:
try:
setup_continuous_profiler(
self.options,
sdk_info=SDK_INFO,
capture_func=_capture_envelope,
)
except Exception as e:
logger.debug("Can not set up continuous profiler. (%s)", e)
finally:
_client_init_debug.set(old_debug)
self._setup_instrumentation(self.options.get("functions_to_trace", []))
if (
self.monitor
or self.metrics_aggregator
or has_profiling_enabled(self.options)
or isinstance(self.transport, HttpTransport)
):
# If we have anything on that could spawn a background thread, we
# need to check if it's safe to use them.
check_uwsgi_thread_support()
def is_active(self):
# type: () -> bool
"""
.. versionadded:: 2.0.0
Returns whether the client is active (able to send data to Sentry)
"""
return True
def should_send_default_pii(self):
# type: () -> bool
"""
.. versionadded:: 2.0.0
Returns whether the client should send default PII (Personally Identifiable Information) data to Sentry.
"""
return self.options.get("send_default_pii", False)
@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.now(timezone.utc)
if scope is not None:
is_transaction = event.get("type") == "transaction"
spans_before = len(event.get("spans", []))
event_ = scope.apply_to_event(event, hint, self.options)
# one of the event/error processors returned None
if event_ is None:
if self.transport:
self.transport.record_lost_event(
"event_processor",
data_category=("transaction" if is_transaction else "error"),
)
if is_transaction:
self.transport.record_lost_event(
"event_processor",
data_category="span",
quantity=spans_before + 1, # +1 for the transaction itself
)
return None
event = event_
spans_delta = spans_before - len(event.get("spans", []))
if is_transaction and spans_delta > 0 and self.transport is not None:
self.transport.record_lost_event(
"event_processor", data_category="span", quantity=spans_delta
)
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(
include_local_variables=self.options.get(
"include_local_variables", True
),
max_value_length=self.options.get(
"max_value_length", DEFAULT_MAX_VALUE_LENGTH
),
),
"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] = str(self.options[key]).strip() # type: ignore[literal-required]
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"],
self.options["project_root"],
)
if event is not None:
event_scrubber = self.options["event_scrubber"]
if event_scrubber and not self.options["send_default_pii"]:
event_scrubber.scrub_event(event)
# Postprocess the event here so that annotated types do
# generally not surface in before_send
if event is not None:
event = cast(
"Event",
serialize(
cast("Dict[str, Any]", event),
max_request_body_size=self.options.get("max_request_body_size"),
max_value_length=self.options.get("max_value_length"),
custom_repr=self.options.get("custom_repr"),
),
)
before_send = self.options["before_send"]
if (
before_send is not None
and event 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")
if self.transport:
self.transport.record_lost_event(
"before_send", data_category="error"
)
event = new_event # type: ignore
before_send_transaction = self.options["before_send_transaction"]
if (
before_send_transaction is not None
and event is not None
and event.get("type") == "transaction"
):
new_event = None
spans_before = len(event.get("spans", []))
with capture_internal_exceptions():
new_event = before_send_transaction(event, hint or {})
if new_event is None:
logger.info("before send transaction dropped event")
if self.transport:
self.transport.record_lost_event(
reason="before_send", data_category="transaction"
)
self.transport.record_lost_event(
reason="before_send",
data_category="span",
quantity=spans_before + 1, # +1 for the transaction itself
)
else:
spans_delta = spans_before - len(new_event.get("spans", []))
if spans_delta > 0 and self.transport is not None:
self.transport.record_lost_event(
reason="before_send", data_category="span", quantity=spans_delta
)
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
error = exc_info[0]
error_type_name = get_type_name(exc_info[0])
error_full_name = "%s.%s" % (exc_info[0].__module__, error_type_name)
for ignored_error in self.options["ignore_errors"]:
# String types are matched against the type name in the
# exception only
if isinstance(ignored_error, str):
if ignored_error == error_full_name or ignored_error == error_type_name:
return True
else:
if issubclass(error, ignored_error):
return True
return False
def _should_capture(
self,
event, # type: Event
hint, # type: Hint
scope=None, # type: Optional[Scope]
):
# type: (...) -> bool
# Transactions are sampled independent of error events.
is_transaction = event.get("type") == "transaction"
if is_transaction:
return True
ignoring_prevents_recursion = scope is not None and not scope._should_capture
if ignoring_prevents_recursion:
return False
ignored_by_config_option = self._is_ignored_error(event, hint)
if ignored_by_config_option:
return False
return True
def _should_sample_error(
self,
event, # type: Event
hint, # type: Hint
):
# type: (...) -> bool
error_sampler = self.options.get("error_sampler", None)
if callable(error_sampler):
with capture_internal_exceptions():
sample_rate = error_sampler(event, hint)
else:
sample_rate = self.options["sample_rate"]
try:
not_in_sample_rate = sample_rate < 1.0 and random.random() >= sample_rate
except NameError:
logger.warning(
"The provided error_sampler raised an error. Defaulting to sampling the event."
)
# If the error_sampler raised an error, we should sample the event, since the default behavior
# (when no sample_rate or error_sampler is provided) is to sample all events.
not_in_sample_rate = False
except TypeError:
parameter, verb = (
("error_sampler", "returned")
if callable(error_sampler)
else ("sample_rate", "contains")
)
logger.warning(
"The provided %s %s an invalid value of %s. The value should be a float or a bool. Defaulting to sampling the event."
% (parameter, verb, repr(sample_rate))
)
# If the sample_rate has an invalid value, we should sample the event, since the default behavior
# (when no sample_rate or error_sampler is provided) is to sample all events.
not_in_sample_rate = False
if not_in_sample_rate:
# because we will not sample this event, record a "lost event".
if self.transport:
self.transport.record_lost_event("sample_rate", data_category="error")
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 isinstance(mechanism, Mapping) 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")
headers_dict = headers if isinstance(headers, dict) else {}
for k, v in headers_dict.items():
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.
:param scope: An optional :py:class:`sentry_sdk.Scope` to apply to events.
: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 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
profile = event.pop("profile", 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)
is_transaction = event_opt.get("type") == "transaction"
is_checkin = event_opt.get("type") == "check_in"
if (
not is_transaction
and not is_checkin
and not self._should_sample_error(event, hint)
):
return None
attachments = hint.get("attachments")
trace_context = event_opt.get("contexts", {}).get("trace") or {}
dynamic_sampling_context = trace_context.pop("dynamic_sampling_context", {})
headers = {
"event_id": event_opt["event_id"],
"sent_at": format_timestamp(datetime.now(timezone.utc)),
} # type: dict[str, object]
if dynamic_sampling_context:
headers["trace"] = dynamic_sampling_context
envelope = Envelope(headers=headers)
if is_transaction:
if isinstance(profile, Profile):
envelope.add_profile(profile.to_json(event_opt, self.options))
envelope.add_transaction(event_opt)
elif is_checkin:
envelope.add_checkin(event_opt)
else:
envelope.add_event(event_opt)
for attachment in attachments or ():
envelope.add_item(attachment.to_envelope_item())
if self.spotlight:
self.spotlight.capture_envelope(envelope)
if self.transport is None:
return None
self.transport.capture_envelope(envelope)
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 get_integration(
self, name_or_class # type: Union[str, Type[Integration]]
):
# type: (...) -> Any
"""Returns the integration for this client by name or class.
If the client does not have that integration then `None` is returned.
"""
if isinstance(name_or_class, str):
integration_name = name_or_class
elif name_or_class.identifier is not None:
integration_name = name_or_class.identifier
else:
raise ValueError("Integration has no name")
return self.integrations.get(integration_name)
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()
if self.metrics_aggregator is not None:
self.metrics_aggregator.kill()
if self.monitor:
self.monitor.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()
if self.metrics_aggregator is not None:
self.metrics_aggregator.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 TYPE_CHECKING
if TYPE_CHECKING:
# 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)()
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