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from importlib import import_module
import os
import uuid
import random
from datetime import datetime
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_sdk_name,
get_type_name,
get_default_release,
handle_in_app,
logger,
)
from sentry_sdk.serializer import serialize
from sentry_sdk.tracing import trace, has_tracing_enabled
from sentry_sdk.transport import make_transport
from sentry_sdk.consts import (
DEFAULT_MAX_VALUE_LENGTH,
DEFAULT_OPTIONS,
INSTRUMENTER,
VERSION,
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.profiler import has_profiling_enabled, setup_profiler
from sentry_sdk.scrubber import EventScrubber
from sentry_sdk.monitor import Monitor
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 sentry_sdk.scope import Scope
from sentry_sdk._types import Event, Hint
from sentry_sdk.session import Session
_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}],
}
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
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 iteritems(options):
if key not in rv:
# Option "with_locals" was renamed to "include_local_variables"
if key == "with_locals":
msg = (
"Deprecated: The option 'with_locals' was renamed to 'include_local_variables'. "
"Please use 'include_local_variables'. The option 'with_locals' will be removed in the future."
)
logger.warning(msg)
rv["include_local_variables"] = value
continue
# Option "request_bodies" was renamed to "max_request_body_size"
if key == "request_bodies":
msg = (
"Deprecated: The option 'request_bodies' was renamed to 'max_request_body_size'. "
"Please use 'max_request_body_size'. The option 'request_bodies' will be removed in the future."
)
logger.warning(msg)
rv["max_request_body_size"] = value
continue
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["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()
return rv
try:
# Python 3.6+
module_not_found_error = ModuleNotFoundError
except Exception:
# Older Python versions
module_not_found_error = ImportError # type: ignore
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 _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)
setattr(class_obj, function_name, trace(function_obj))
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["_experiments"].get(
"enable_backpressure_handling", False
):
self.monitor = Monitor(self.transport)
self.session_flusher = SessionFlusher(capture_func=_capture_envelope)
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
)
)
self.integrations = setup_integrations(
self.options["integrations"],
with_defaults=self.options["default_integrations"],
with_auto_enabling_integrations=self.options[
"auto_enabling_integrations"
],
)
sdk_name = get_sdk_name(list(self.integrations.keys()))
SDK_INFO["name"] = sdk_name
logger.debug("Setting SDK name to '%s'", sdk_name)
finally:
_client_init_debug.set(old_debug)
if has_profiling_enabled(self.options):
try:
setup_profiler(self.options)
except ValueError as e:
logger.debug(str(e))
self._setup_instrumentation(self.options.get("functions_to_trace", []))
@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:
is_transaction = event.get("type") == "transaction"
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"),
)
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(
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] = 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"],
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 = serialize(
event,
max_request_body_size=self.options.get("max_request_body_size"),
max_value_length=self.options.get("max_value_length"),
)
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
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(
"before_send", data_category="transaction"
)
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, string_types):
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
):
# type: (...) -> bool
not_in_sample_rate = (
self.options["sample_rate"] < 1.0
and random.random() >= self.options["sample_rate"]
)
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 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.
:param scope: An optional scope to use for determining whether this event
should be captured.
: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
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)
):
return None
tracing_enabled = has_tracing_enabled(self.options)
attachments = hint.get("attachments")
trace_context = event_opt.get("contexts", {}).get("trace") or {}
dynamic_sampling_context = trace_context.pop("dynamic_sampling_context", {})
# If tracing is enabled all events should go to /envelope endpoint.
# If no tracing is enabled only transactions, events with attachments, and checkins should go to the /envelope endpoint.
should_use_envelope_endpoint = (
tracing_enabled or is_transaction or is_checkin or bool(attachments)
)
if should_use_envelope_endpoint:
headers = {
"event_id": event_opt["event_id"],
"sent_at": format_timestamp(datetime.utcnow()),
}
if dynamic_sampling_context:
headers["trace"] = dynamic_sampling_context
envelope = Envelope(headers=headers)
if is_transaction:
if profile is not None:
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())
self.transport.capture_envelope(envelope)
else:
# All other events go to the legacy /store/ endpoint (will be removed in the future).
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()
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()
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)()