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import sys
from applicationinsights import TelemetryClient, channel
original_excepthook = None
telemetry_channel = None
enabled_instrumentation_keys = []
def enable(instrumentation_key, *args, **kwargs):
"""Enables the automatic collection of unhandled exceptions. Captured exceptions will be sent to the Application
Insights service before being re-thrown. Multiple calls to this function with different instrumentation keys result
in multiple instances being submitted, one for each key.
.. code:: python
from applicationinsights.exceptions import enable
# set up exception capture
enable('<YOUR INSTRUMENTATION KEY GOES HERE>')
# raise an exception (this will be sent to the Application Insights service as an exception telemetry object)
raise Exception('Boom!')
Args:
instrumentation_key (str). the instrumentation key to use while sending telemetry to the service.
"""
if not instrumentation_key:
raise Exception('Instrumentation key was required but not provided')
global original_excepthook
global telemetry_channel
telemetry_channel = kwargs.get('telemetry_channel')
if not original_excepthook:
original_excepthook = sys.excepthook
sys.excepthook = intercept_excepthook
if instrumentation_key not in enabled_instrumentation_keys:
enabled_instrumentation_keys.append(instrumentation_key)
def intercept_excepthook(type, value, traceback):
client = TelemetryClient('temp_key', telemetry_channel)
for instrumentation_key in enabled_instrumentation_keys:
client.context.instrumentation_key = instrumentation_key
client.track_exception(type, value, traceback)
client.flush()
original_excepthook(type, value, traceback)
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