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| Dir : //proc/self/root/opt/alt/python37/lib/python3.7/site-packages/raven/events.py |
"""
raven.events
~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import logging
import sys
from raven.utils.encoding import to_unicode
from raven.utils.stacks import get_stack_info, iter_traceback_frames
__all__ = ('BaseEvent', 'Exception', 'Message', 'Query')
class BaseEvent(object):
def __init__(self, client):
self.client = client
self.logger = logging.getLogger(__name__)
def to_string(self, data):
raise NotImplementedError
def capture(self, **kwargs):
return {
}
def transform(self, value):
return self.client.transform(value)
# The __suppress_context__ attribute was added in Python 3.3.
# See PEP 415 for details:
# https://www.python.org/dev/peps/pep-0415/
if hasattr(Exception, '__suppress_context__'):
def _chained_exceptions(exc_info):
"""
Return a generator iterator over an exception's chain.
The exceptions are yielded from outermost to innermost (i.e. last to
first when viewing a stack trace).
"""
yield exc_info
exc_type, exc, exc_traceback = exc_info
context = set()
context.add(exc)
while True:
if exc.__suppress_context__:
# Then __cause__ should be used instead.
exc = exc.__cause__
else:
exc = exc.__context__
if exc in context:
break
context.add(exc)
if exc is None:
break
yield type(exc), exc, exc.__traceback__
else:
# Then we do not support reporting exception chains.
def _chained_exceptions(exc_info):
yield exc_info
class Exception(BaseEvent):
"""
Exceptions store the following metadata:
- value: 'My exception value'
- type: 'ClassName'
- module '__builtin__' (i.e. __builtin__.TypeError)
- frames: a list of serialized frames (see _get_traceback_frames)
"""
name = 'exception'
def to_string(self, data):
exc = data[self.name]['values'][-1]
if exc['value']:
return '%s: %s' % (exc['type'], exc['value'])
return exc['type']
def _get_value(self, exc_type, exc_value, exc_traceback):
"""
Convert exception info to a value for the values list.
"""
stack_info = get_stack_info(
iter_traceback_frames(exc_traceback),
transformer=self.transform,
capture_locals=self.client.capture_locals,
)
exc_module = getattr(exc_type, '__module__', None)
if exc_module:
exc_module = str(exc_module)
exc_type = getattr(exc_type, '__name__', '<unknown>')
return {
'value': to_unicode(exc_value),
'type': str(exc_type),
'module': to_unicode(exc_module),
'stacktrace': stack_info,
}
def capture(self, exc_info=None, **kwargs):
if not exc_info or exc_info is True:
exc_info = sys.exc_info()
if not exc_info:
raise ValueError('No exception found')
values = []
for exc_info in _chained_exceptions(exc_info):
value = self._get_value(*exc_info)
values.insert(0, value)
return {
'level': kwargs.get('level', logging.ERROR),
self.name: {'values': values},
}
class Message(BaseEvent):
"""
Messages store the following metadata:
- message: 'My message from %s about %s'
- params: ('foo', 'bar')
"""
name = 'sentry.interfaces.Message'
def to_string(self, data):
return data[self.name]['message']
def capture(self, message, params=(), formatted=None, **kwargs):
message = to_unicode(message)
data = {
self.name: {
'message': message,
'params': self.transform(params),
'formatted': formatted,
},
}
if 'message' not in data:
data['message'] = formatted or message
return data
class Query(BaseEvent):
"""
Messages store the following metadata:
- query: 'SELECT * FROM table'
- engine: 'postgesql_psycopg2'
"""
name = 'sentry.interfaces.Query'
def to_string(self, data):
sql = data[self.name]
return sql['query']
def capture(self, query, engine, **kwargs):
return {
self.name: {
'query': to_unicode(query),
'engine': str(engine),
}
}