Current File : //proc/self/root/opt/alt/python37/lib/python3.7/site-packages/sentry_sdk/hub.py
import copy
import sys
from datetime import datetime
from contextlib import contextmanager
from sentry_sdk._compat import with_metaclass
from sentry_sdk.scope import Scope
from sentry_sdk.client import Client
from sentry_sdk.tracing import Span, Transaction
from sentry_sdk.sessions import Session
from sentry_sdk.utils import (
exc_info_from_error,
event_from_exception,
logger,
ContextVar,
)
from sentry_sdk._types import MYPY
if MYPY:
from typing import Union
from typing import Any
from typing import Optional
from typing import Tuple
from typing import Dict
from typing import List
from typing import Callable
from typing import Generator
from typing import Type
from typing import TypeVar
from typing import overload
from typing import ContextManager
from sentry_sdk.integrations import Integration
from sentry_sdk._types import (
Event,
Hint,
Breadcrumb,
BreadcrumbHint,
ExcInfo,
)
from sentry_sdk.consts import ClientConstructor
T = TypeVar("T")
else:
def overload(x):
# type: (T) -> T
return x
_local = ContextVar("sentry_current_hub")
def _update_scope(base, scope_change, scope_kwargs):
# type: (Scope, Optional[Any], Dict[str, Any]) -> Scope
if scope_change and scope_kwargs:
raise TypeError("cannot provide scope and kwargs")
if scope_change is not None:
final_scope = copy.copy(base)
if callable(scope_change):
scope_change(final_scope)
else:
final_scope.update_from_scope(scope_change)
elif scope_kwargs:
final_scope = copy.copy(base)
final_scope.update_from_kwargs(**scope_kwargs)
else:
final_scope = base
return final_scope
def _should_send_default_pii():
# type: () -> bool
client = Hub.current.client
if not client:
return False
return client.options["send_default_pii"]
class _InitGuard(object):
def __init__(self, client):
# type: (Client) -> None
self._client = client
def __enter__(self):
# type: () -> _InitGuard
return self
def __exit__(self, exc_type, exc_value, tb):
# type: (Any, Any, Any) -> None
c = self._client
if c is not None:
c.close()
def _init(*args, **kwargs):
# type: (*Optional[str], **Any) -> ContextManager[Any]
"""Initializes the SDK and optionally integrations.
This takes the same arguments as the client constructor.
"""
client = Client(*args, **kwargs) # type: ignore
Hub.current.bind_client(client)
rv = _InitGuard(client)
return rv
from sentry_sdk._types import MYPY
if MYPY:
# Make mypy, PyCharm and other static analyzers think `init` is a type to
# have nicer autocompletion for params.
#
# Use `ClientConstructor` to define the argument types of `init` and
# `ContextManager[Any]` to tell static analyzers about the return type.
class init(ClientConstructor, ContextManager[Any]): # noqa: N801
pass
else:
# Alias `init` 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).
init = (lambda: _init)()
class HubMeta(type):
@property
def current(cls):
# type: () -> Hub
"""Returns the current instance of the hub."""
rv = _local.get(None)
if rv is None:
rv = Hub(GLOBAL_HUB)
_local.set(rv)
return rv
@property
def main(cls):
# type: () -> Hub
"""Returns the main instance of the hub."""
return GLOBAL_HUB
class _ScopeManager(object):
def __init__(self, hub):
# type: (Hub) -> None
self._hub = hub
self._original_len = len(hub._stack)
self._layer = hub._stack[-1]
def __enter__(self):
# type: () -> Scope
scope = self._layer[1]
assert scope is not None
return scope
def __exit__(self, exc_type, exc_value, tb):
# type: (Any, Any, Any) -> None
current_len = len(self._hub._stack)
if current_len < self._original_len:
logger.error(
"Scope popped too soon. Popped %s scopes too many.",
self._original_len - current_len,
)
return
elif current_len > self._original_len:
logger.warning(
"Leaked %s scopes: %s",
current_len - self._original_len,
self._hub._stack[self._original_len :],
)
layer = self._hub._stack[self._original_len - 1]
del self._hub._stack[self._original_len - 1 :]
if layer[1] != self._layer[1]:
logger.error(
"Wrong scope found. Meant to pop %s, but popped %s.",
layer[1],
self._layer[1],
)
elif layer[0] != self._layer[0]:
warning = (
"init() called inside of pushed scope. This might be entirely "
"legitimate but usually occurs when initializing the SDK inside "
"a request handler or task/job function. Try to initialize the "
"SDK as early as possible instead."
)
logger.warning(warning)
class Hub(with_metaclass(HubMeta)): # type: ignore
"""The hub wraps the concurrency management of the SDK. Each thread has
its own hub but the hub might transfer with the flow of execution if
context vars are available.
If the hub is used with a with statement it's temporarily activated.
"""
_stack = None # type: List[Tuple[Optional[Client], Scope]]
# Mypy doesn't pick up on the metaclass.
if MYPY:
current = None # type: Hub
main = None # type: Hub
def __init__(
self,
client_or_hub=None, # type: Optional[Union[Hub, Client]]
scope=None, # type: Optional[Any]
):
# type: (...) -> None
if isinstance(client_or_hub, Hub):
hub = client_or_hub
client, other_scope = hub._stack[-1]
if scope is None:
scope = copy.copy(other_scope)
else:
client = client_or_hub
if scope is None:
scope = Scope()
self._stack = [(client, scope)]
self._last_event_id = None # type: Optional[str]
self._old_hubs = [] # type: List[Hub]
def __enter__(self):
# type: () -> Hub
self._old_hubs.append(Hub.current)
_local.set(self)
return self
def __exit__(
self,
exc_type, # type: Optional[type]
exc_value, # type: Optional[BaseException]
tb, # type: Optional[Any]
):
# type: (...) -> None
old = self._old_hubs.pop()
_local.set(old)
def run(
self, callback # type: Callable[[], T]
):
# type: (...) -> T
"""Runs a callback in the context of the hub. Alternatively the
with statement can be used on the hub directly.
"""
with self:
return callback()
def get_integration(
self, name_or_class # type: Union[str, Type[Integration]]
):
# type: (...) -> Any
"""Returns the integration for this hub by name or class. If there
is no client bound or the client does not have that integration
then `None` is returned.
If the return value is not `None` the hub is guaranteed to have a
client attached.
"""
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")
client = self.client
if client is not None:
rv = client.integrations.get(integration_name)
if rv is not None:
return rv
@property
def client(self):
# type: () -> Optional[Client]
"""Returns the current client on the hub."""
return self._stack[-1][0]
@property
def scope(self):
# type: () -> Scope
"""Returns the current scope on the hub."""
return self._stack[-1][1]
def last_event_id(self):
# type: () -> Optional[str]
"""Returns the last event ID."""
return self._last_event_id
def bind_client(
self, new # type: Optional[Client]
):
# type: (...) -> None
"""Binds a new client to the hub."""
top = self._stack[-1]
self._stack[-1] = (new, top[1])
def capture_event(
self,
event, # type: Event
hint=None, # type: Optional[Hint]
scope=None, # type: Optional[Any]
**scope_args # type: Dict[str, Any]
):
# type: (...) -> Optional[str]
"""Captures an event. Alias of :py:meth:`sentry_sdk.Client.capture_event`."""
client, top_scope = self._stack[-1]
scope = _update_scope(top_scope, scope, scope_args)
if client is not None:
rv = client.capture_event(event, hint, scope)
if rv is not None:
self._last_event_id = rv
return rv
return None
def capture_message(
self,
message, # type: str
level=None, # type: Optional[str]
scope=None, # type: Optional[Any]
**scope_args # type: Dict[str, Any]
):
# type: (...) -> Optional[str]
"""Captures a message. The message is just a string. If no level
is provided the default level is `info`.
:returns: An `event_id` if the SDK decided to send the event (see :py:meth:`sentry_sdk.Client.capture_event`).
"""
if self.client is None:
return None
if level is None:
level = "info"
return self.capture_event(
{"message": message, "level": level}, scope=scope, **scope_args
)
def capture_exception(
self,
error=None, # type: Optional[Union[BaseException, ExcInfo]]
scope=None, # type: Optional[Any]
**scope_args # type: Dict[str, Any]
):
# type: (...) -> Optional[str]
"""Captures an exception.
:param error: An exception to catch. If `None`, `sys.exc_info()` will be used.
:returns: An `event_id` if the SDK decided to send the event (see :py:meth:`sentry_sdk.Client.capture_event`).
"""
client = self.client
if client is None:
return None
if error is not None:
exc_info = exc_info_from_error(error)
else:
exc_info = sys.exc_info()
event, hint = event_from_exception(exc_info, client_options=client.options)
try:
return self.capture_event(event, hint=hint, scope=scope, **scope_args)
except Exception:
self._capture_internal_exception(sys.exc_info())
return None
def _capture_internal_exception(
self, exc_info # type: Any
):
# type: (...) -> Any
"""
Capture an exception that is likely caused by a bug in the SDK
itself.
These exceptions do not end up in Sentry and are just logged instead.
"""
logger.error("Internal error in sentry_sdk", exc_info=exc_info)
def add_breadcrumb(
self,
crumb=None, # type: Optional[Breadcrumb]
hint=None, # type: Optional[BreadcrumbHint]
**kwargs # type: Any
):
# type: (...) -> None
"""
Adds a breadcrumb.
:param crumb: Dictionary with the data as the sentry v7/v8 protocol expects.
:param hint: An optional value that can be used by `before_breadcrumb`
to customize the breadcrumbs that are emitted.
"""
client, scope = self._stack[-1]
if client is None:
logger.info("Dropped breadcrumb because no client bound")
return
crumb = dict(crumb or ()) # type: Breadcrumb
crumb.update(kwargs)
if not crumb:
return
hint = dict(hint or ()) # type: Hint
if crumb.get("timestamp") is None:
crumb["timestamp"] = datetime.utcnow()
if crumb.get("type") is None:
crumb["type"] = "default"
if client.options["before_breadcrumb"] is not None:
new_crumb = client.options["before_breadcrumb"](crumb, hint)
else:
new_crumb = crumb
if new_crumb is not None:
scope._breadcrumbs.append(new_crumb)
else:
logger.info("before breadcrumb dropped breadcrumb (%s)", crumb)
max_breadcrumbs = client.options["max_breadcrumbs"] # type: int
while len(scope._breadcrumbs) > max_breadcrumbs:
scope._breadcrumbs.popleft()
def start_span(
self,
span=None, # type: Optional[Span]
**kwargs # type: Any
):
# type: (...) -> Span
"""
Create and start timing a new span whose parent is the currently active
span or transaction, if any. The return value is a span instance,
typically used as a context manager to start and stop timing in a `with`
block.
Only spans contained in a transaction are sent to Sentry. Most
integrations start a transaction at the appropriate time, for example
for every incoming HTTP request. Use `start_transaction` to start a new
transaction when one is not already in progress.
"""
# TODO: consider removing this in a future release.
# This is for backwards compatibility with releases before
# start_transaction existed, to allow for a smoother transition.
if isinstance(span, Transaction) or "transaction" in kwargs:
deprecation_msg = (
"Deprecated: use start_transaction to start transactions and "
"Transaction.start_child to start spans."
)
if isinstance(span, Transaction):
logger.warning(deprecation_msg)
return self.start_transaction(span)
if "transaction" in kwargs:
logger.warning(deprecation_msg)
name = kwargs.pop("transaction")
return self.start_transaction(name=name, **kwargs)
if span is not None:
return span
kwargs.setdefault("hub", self)
span = self.scope.span
if span is not None:
return span.start_child(**kwargs)
return Span(**kwargs)
def start_transaction(
self,
transaction=None, # type: Optional[Transaction]
**kwargs # type: Any
):
# type: (...) -> Transaction
"""
Start and return a transaction.
Start an existing transaction if given, otherwise create and start a new
transaction with kwargs.
This is the entry point to manual tracing instrumentation.
A tree structure can be built by adding child spans to the transaction,
and child spans to other spans. To start a new child span within the
transaction or any span, call the respective `.start_child()` method.
Every child span must be finished before the transaction is finished,
otherwise the unfinished spans are discarded.
When used as context managers, spans and transactions are automatically
finished at the end of the `with` block. If not using context managers,
call the `.finish()` method.
When the transaction is finished, it will be sent to Sentry with all its
finished child spans.
"""
custom_sampling_context = kwargs.pop("custom_sampling_context", {})
# if we haven't been given a transaction, make one
if transaction is None:
kwargs.setdefault("hub", self)
transaction = Transaction(**kwargs)
# use traces_sample_rate, traces_sampler, and/or inheritance to make a
# sampling decision
sampling_context = {
"transaction_context": transaction.to_json(),
"parent_sampled": transaction.parent_sampled,
}
sampling_context.update(custom_sampling_context)
transaction._set_initial_sampling_decision(sampling_context=sampling_context)
# we don't bother to keep spans if we already know we're not going to
# send the transaction
if transaction.sampled:
max_spans = (
self.client and self.client.options["_experiments"].get("max_spans")
) or 1000
transaction.init_span_recorder(maxlen=max_spans)
return transaction
@overload
def push_scope( # noqa: F811
self, callback=None # type: Optional[None]
):
# type: (...) -> ContextManager[Scope]
pass
@overload
def push_scope( # noqa: F811
self, callback # type: Callable[[Scope], None]
):
# type: (...) -> None
pass
def push_scope( # noqa
self, callback=None # type: Optional[Callable[[Scope], None]]
):
# type: (...) -> Optional[ContextManager[Scope]]
"""
Pushes a new layer on the scope stack.
:param callback: If provided, this method pushes a scope, calls
`callback`, and pops the scope again.
:returns: If no `callback` is provided, a context manager that should
be used to pop the scope again.
"""
if callback is not None:
with self.push_scope() as scope:
callback(scope)
return None
client, scope = self._stack[-1]
new_layer = (client, copy.copy(scope))
self._stack.append(new_layer)
return _ScopeManager(self)
def pop_scope_unsafe(self):
# type: () -> Tuple[Optional[Client], Scope]
"""
Pops a scope layer from the stack.
Try to use the context manager :py:meth:`push_scope` instead.
"""
rv = self._stack.pop()
assert self._stack, "stack must have at least one layer"
return rv
@overload
def configure_scope( # noqa: F811
self, callback=None # type: Optional[None]
):
# type: (...) -> ContextManager[Scope]
pass
@overload
def configure_scope( # noqa: F811
self, callback # type: Callable[[Scope], None]
):
# type: (...) -> None
pass
def configure_scope( # noqa
self, callback=None # type: Optional[Callable[[Scope], None]]
): # noqa
# type: (...) -> Optional[ContextManager[Scope]]
"""
Reconfigures the scope.
:param callback: If provided, call the callback with the current scope.
:returns: If no callback is provided, returns a context manager that returns the scope.
"""
client, scope = self._stack[-1]
if callback is not None:
if client is not None:
callback(scope)
return None
@contextmanager
def inner():
# type: () -> Generator[Scope, None, None]
if client is not None:
yield scope
else:
yield Scope()
return inner()
def start_session(self):
# type: (...) -> None
"""Starts a new session."""
self.end_session()
client, scope = self._stack[-1]
scope._session = Session(
release=client.options["release"] if client else None,
environment=client.options["environment"] if client else None,
user=scope._user,
)
def end_session(self):
# type: (...) -> None
"""Ends the current session if there is one."""
client, scope = self._stack[-1]
session = scope._session
if session is not None:
session.close()
if client is not None:
client.capture_session(session)
self.scope._session = None
def stop_auto_session_tracking(self):
# type: (...) -> None
"""Stops automatic session tracking.
This temporarily session tracking for the current scope when called.
To resume session tracking call `resume_auto_session_tracking`.
"""
self.end_session()
client, scope = self._stack[-1]
scope._force_auto_session_tracking = False
def resume_auto_session_tracking(self):
# type: (...) -> None
"""Resumes automatic session tracking for the current scope if
disabled earlier. This requires that generally automatic session
tracking is enabled.
"""
client, scope = self._stack[-1]
scope._force_auto_session_tracking = None
def flush(
self,
timeout=None, # type: Optional[float]
callback=None, # type: Optional[Callable[[int, float], None]]
):
# type: (...) -> None
"""
Alias for :py:meth:`sentry_sdk.Client.flush`
"""
client, scope = self._stack[-1]
if client is not None:
return client.flush(timeout=timeout, callback=callback)
def iter_trace_propagation_headers(self):
# type: () -> Generator[Tuple[str, str], None, None]
# TODO: Document
client, scope = self._stack[-1]
span = scope.span
if span is None:
return
propagate_traces = client and client.options["propagate_traces"]
if not propagate_traces:
return
yield "sentry-trace", span.to_traceparent()
GLOBAL_HUB = Hub()
_local.set(GLOBAL_HUB)
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