Current File : //proc/self/root/opt/alt/python35/lib/python3.5/site-packages/sentry_sdk/hub.py
import sys
import copy
import weakref
from datetime import datetime
from contextlib import contextmanager
from warnings import warn
from sentry_sdk._compat import with_metaclass
from sentry_sdk.scope import Scope
from sentry_sdk.client import Client
from sentry_sdk.utils import (
exc_info_from_error,
event_from_exception,
logger,
ContextVar,
)
if False:
from typing import Union
from typing import Any
from typing import Optional
from typing import Dict
from typing import Tuple
from typing import List
from typing import Callable
from typing import overload
from contextlib import ContextManager
from sentry_sdk.integrations import Integration
else:
def overload(x):
return x
_local = ContextVar("sentry_current_hub")
_initial_client = None
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):
self._client = client
def __enter__(self):
return self
def __exit__(self, exc_type, exc_value, tb):
c = self._client
if c is not None:
c.close()
def init(*args, **kwargs):
"""Initializes the SDK and optionally integrations.
This takes the same arguments as the client constructor.
"""
global _initial_client
client = Client(*args, **kwargs)
Hub.current.bind_client(client)
rv = _InitGuard(client)
if client is not None:
_initial_client = weakref.ref(client)
return rv
class HubMeta(type):
@property
def current(self):
# 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(self):
"""Returns the main instance of the hub."""
return GLOBAL_HUB
class _HubManager(object):
def __init__(self, hub):
self._old = Hub.current
_local.set(hub)
def __exit__(self, exc_type, exc_value, tb):
_local.set(self._old)
class _ScopeManager(object):
def __init__(self, hub):
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):
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]]
def __init__(self, client_or_hub=None, scope=None):
# type: (Union[Hub, Client], Optional[Any]) -> 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):
"""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, Integration]) -> 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._stack[-1][0]
if client is not None:
rv = client.integrations.get(integration_name)
if rv is not None:
return rv
initial_client = _initial_client
if initial_client is not None:
initial_client = initial_client()
if (
initial_client is not None
and initial_client is not client
and initial_client.integrations.get(name_or_class) is not None
):
warning = (
"Integration %r attempted to run but it was only "
"enabled on init() but not the client that "
"was bound to the current flow. Earlier versions of "
"the SDK would consider these integrations enabled but "
"this is no longer the case." % (name_or_class,)
)
warn(Warning(warning), stacklevel=3)
logger.warning(warning)
@property
def client(self):
# type: () -> Optional[Client]
"""Returns the current client on the hub."""
return self._stack[-1][0]
def last_event_id(self):
# type: () -> Optional[str]
"""Returns the last event ID."""
return self._last_event_id
def bind_client(self, new):
"""Binds a new client to the hub."""
top = self._stack[-1]
self._stack[-1] = (new, top[1])
def capture_event(self, event, hint=None):
# type: (Dict[str, Any], Dict[str, Any]) -> Optional[str]
"""Captures an event. The return value is the ID of the event.
The event is a dictionary following the Sentry v7/v8 protocol
specification. Optionally an event hint dict can be passed that
is used by processors to extract additional information from it.
Typically the event hint object would contain exception information.
"""
client, scope = self._stack[-1]
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, level=None):
# type: (str, Optional[Any]) -> Optional[str]
"""Captures a message. The message is just a string. If no level
is provided the default level is `info`.
"""
if self.client is None:
return None
if level is None:
level = "info"
return self.capture_event({"message": message, "level": level})
def capture_exception(self, error=None):
# type: (Optional[BaseException]) -> Optional[str]
"""Captures an exception.
The argument passed can be `None` in which case the last exception
will be reported, otherwise an exception object or an `exc_info`
tuple.
"""
client = self.client
if client is None:
return None
if error is None:
exc_info = sys.exc_info()
else:
exc_info = exc_info_from_error(error)
event, hint = event_from_exception(exc_info, client_options=client.options)
try:
return self.capture_event(event, hint=hint)
except Exception:
self._capture_internal_exception(sys.exc_info())
return None
def _capture_internal_exception(self, exc_info):
"""Capture an exception that is likely caused by a bug in the SDK
itself."""
logger.error("Internal error in sentry_sdk", exc_info=exc_info)
def add_breadcrumb(self, crumb=None, hint=None, **kwargs):
# type: (Dict[str, Any], Dict[str, Any], **Any) -> None
"""Adds a breadcrumb. The breadcrumbs are a dictionary with the
data as the sentry v7/v8 protocol expects. `hint` is 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: Dict[str, Any]
crumb.update(kwargs)
if not crumb:
return
hint = dict(hint or ())
if crumb.get("timestamp") is None:
crumb["timestamp"] = datetime.utcnow()
if crumb.get("type") is None:
crumb["type"] = "default"
original_crumb = crumb
if client.options["before_breadcrumb"] is not None:
crumb = client.options["before_breadcrumb"](crumb, hint)
if crumb is not None:
scope._breadcrumbs.append(crumb)
else:
logger.info("before breadcrumb dropped breadcrumb (%s)", original_crumb)
max_breadcrumbs = client.options["max_breadcrumbs"] # type: int
while len(scope._breadcrumbs) > max_breadcrumbs:
scope._breadcrumbs.popleft()
@overload # noqa
def push_scope(self):
# type: () -> ContextManager[Scope]
pass
@overload # noqa
def push_scope(self, callback):
# type: (Callable[[Scope], None]) -> None
pass
def push_scope(self, callback=None): # noqa
"""Pushes a new layer on the scope stack. Returns a context manager
that should be used to pop the scope again. Alternatively a callback
can be provided that is executed in the context of the scope.
"""
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)
scope = push_scope
def pop_scope_unsafe(self):
"""Pops a scope layer from the stack. Try to use the context manager
`push_scope()` instead."""
rv = self._stack.pop()
assert self._stack, "stack must have at least one layer"
return rv
@overload # noqa
def configure_scope(self):
# type: () -> ContextManager[Scope]
pass
@overload # noqa
def configure_scope(self, callback):
# type: (Callable[[Scope], None]) -> None
pass
def configure_scope(self, callback=None): # noqa
"""Reconfigures the scope."""
client, scope = self._stack[-1]
if callback is not None:
if client is not None:
callback(scope)
return None
@contextmanager
def inner():
if client is not None:
yield scope
else:
yield Scope()
return inner()
def flush(self, timeout=None, callback=None):
"""Alias for self.client.flush"""
client, scope = self._stack[-1]
if client is not None:
return client.flush(timeout=timeout, callback=callback)
GLOBAL_HUB = Hub()
_local.set(GLOBAL_HUB)
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