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from __future__ import absolute_import
import logging
import datetime
from sentry_sdk.hub import Hub
from sentry_sdk.utils import (
to_string,
event_from_exception,
current_stacktrace,
capture_internal_exceptions,
)
from sentry_sdk.integrations import Integration
from sentry_sdk._compat import iteritems
from sentry_sdk._types import MYPY
if MYPY:
from logging import LogRecord
from typing import Any
from typing import Dict
from typing import Optional
DEFAULT_LEVEL = logging.INFO
DEFAULT_EVENT_LEVEL = logging.ERROR
# Capturing events from those loggers causes recursion errors. We cannot allow
# the user to unconditionally create events from those loggers under any
# circumstances.
#
# Note: Ignoring by logger name here is better than mucking with thread-locals.
# We do not necessarily know whether thread-locals work 100% correctly in the user's environment.
_IGNORED_LOGGERS = set(
["sentry_sdk.errors", "urllib3.connectionpool", "urllib3.connection"]
)
def ignore_logger(
name, # type: str
):
# type: (...) -> None
"""This disables recording (both in breadcrumbs and as events) calls to
a logger of a specific name. Among other uses, many of our integrations
use this to prevent their actions being recorded as breadcrumbs. Exposed
to users as a way to quiet spammy loggers.
:param name: The name of the logger to ignore (same string you would pass to ``logging.getLogger``).
"""
_IGNORED_LOGGERS.add(name)
class LoggingIntegration(Integration):
identifier = "logging"
def __init__(self, level=DEFAULT_LEVEL, event_level=DEFAULT_EVENT_LEVEL):
# type: (Optional[int], Optional[int]) -> None
self._handler = None
self._breadcrumb_handler = None
if level is not None:
self._breadcrumb_handler = BreadcrumbHandler(level=level)
if event_level is not None:
self._handler = EventHandler(level=event_level)
def _handle_record(self, record):
# type: (LogRecord) -> None
if self._handler is not None and record.levelno >= self._handler.level:
self._handler.handle(record)
if (
self._breadcrumb_handler is not None
and record.levelno >= self._breadcrumb_handler.level
):
self._breadcrumb_handler.handle(record)
@staticmethod
def setup_once():
# type: () -> None
old_callhandlers = logging.Logger.callHandlers # type: ignore
def sentry_patched_callhandlers(self, record):
# type: (Any, LogRecord) -> Any
try:
return old_callhandlers(self, record)
finally:
# This check is done twice, once also here before we even get
# the integration. Otherwise we have a high chance of getting
# into a recursion error when the integration is resolved
# (this also is slower).
if record.name not in _IGNORED_LOGGERS:
integration = Hub.current.get_integration(LoggingIntegration)
if integration is not None:
integration._handle_record(record)
logging.Logger.callHandlers = sentry_patched_callhandlers # type: ignore
def _can_record(record):
# type: (LogRecord) -> bool
return record.name not in _IGNORED_LOGGERS
def _breadcrumb_from_record(record):
# type: (LogRecord) -> Dict[str, Any]
return {
"ty": "log",
"level": _logging_to_event_level(record.levelname),
"category": record.name,
"message": record.message,
"timestamp": datetime.datetime.utcfromtimestamp(record.created),
"data": _extra_from_record(record),
}
def _logging_to_event_level(levelname):
# type: (str) -> str
return {"critical": "fatal"}.get(levelname.lower(), levelname.lower())
COMMON_RECORD_ATTRS = frozenset(
(
"args",
"created",
"exc_info",
"exc_text",
"filename",
"funcName",
"levelname",
"levelno",
"linenno",
"lineno",
"message",
"module",
"msecs",
"msg",
"name",
"pathname",
"process",
"processName",
"relativeCreated",
"stack",
"tags",
"thread",
"threadName",
"stack_info",
)
)
def _extra_from_record(record):
# type: (LogRecord) -> Dict[str, None]
return {
k: v
for k, v in iteritems(vars(record))
if k not in COMMON_RECORD_ATTRS
and (not isinstance(k, str) or not k.startswith("_"))
}
class EventHandler(logging.Handler, object):
"""
A logging handler that emits Sentry events for each log record
Note that you do not have to use this class if the logging integration is enabled, which it is by default.
"""
def emit(self, record):
# type: (LogRecord) -> Any
with capture_internal_exceptions():
self.format(record)
return self._emit(record)
def _emit(self, record):
# type: (LogRecord) -> None
if not _can_record(record):
return
hub = Hub.current
if hub.client is None:
return
client_options = hub.client.options
# exc_info might be None or (None, None, None)
#
# exc_info may also be any falsy value due to Python stdlib being
# liberal with what it receives and Celery's billiard being "liberal"
# with what it sends. See
# https://github.com/getsentry/sentry-python/issues/904
if record.exc_info and record.exc_info[0] is not None:
event, hint = event_from_exception(
record.exc_info,
client_options=client_options,
mechanism={"type": "logging", "handled": True},
)
elif record.exc_info and record.exc_info[0] is None:
event = {}
hint = {}
with capture_internal_exceptions():
event["threads"] = {
"values": [
{
"stacktrace": current_stacktrace(
client_options["with_locals"]
),
"crashed": False,
"current": True,
}
]
}
else:
event = {}
hint = {}
hint["log_record"] = record
event["level"] = _logging_to_event_level(record.levelname)
event["logger"] = record.name
event["logentry"] = {"message": to_string(record.msg), "params": record.args}
event["extra"] = _extra_from_record(record)
hub.capture_event(event, hint=hint)
# Legacy name
SentryHandler = EventHandler
class BreadcrumbHandler(logging.Handler, object):
"""
A logging handler that records breadcrumbs for each log record.
Note that you do not have to use this class if the logging integration is enabled, which it is by default.
"""
def emit(self, record):
# type: (LogRecord) -> Any
with capture_internal_exceptions():
self.format(record)
return self._emit(record)
def _emit(self, record):
# type: (LogRecord) -> None
if not _can_record(record):
return
Hub.current.add_breadcrumb(
_breadcrumb_from_record(record), hint={"log_record": record}
)