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fix: add typecheck to lambda wrapper #533

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merged 2 commits into from
Nov 5, 2024
Merged

fix: add typecheck to lambda wrapper #533

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3b3d981
check if event is a dict before getting
avedmala Nov 5, 2024
e2d265a
early exit in is_legacy_lambda_step_function
avedmala Nov 5, 2024
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5 changes: 4 additions & 1 deletion datadog_lambda/tracing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -411,7 +411,10 @@ def is_legacy_lambda_step_function(event):
"""
Check if the event is a step function that called a legacy lambda
"""
event = event.get("Payload", {})
if not isinstance(event, dict) or "Payload" not in event:
return False

event = event.get("Payload")
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🟠 Code Quality Violation

variable name is the same as a function parameter (...read more)

A function parameter should only be read and not be modified. If your intent is to modify the value of the parameter, return the value in the function and handle the new value in the caller of the function.

View in Datadog  Leave us feedback  Documentation

return "Execution" in event and "StateMachine" in event and "State" in event


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3 changes: 3 additions & 0 deletions tests/test_tracing.py
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Expand Up @@ -678,6 +678,9 @@ def test_is_legacy_lambda_step_function(self):
}
self.assertFalse(is_legacy_lambda_step_function(sf_event))

other_event = ["foo", "bar"]
self.assertFalse(is_legacy_lambda_step_function(other_event))


class TestXRayContextConversion(unittest.TestCase):
def test_convert_xray_trace_id(self):
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