[Python] How is Datadog able to collect trace data without any modification of application...

when running a flask app just have to prepend ddtrace-run to python app.py

Just by doing this datadog can collect informtion like api paths, latency, response status, etc. I searched online about it and found out stuff like:

• monkey patching
• Bytecode Instrumentation
• Aspect-Oriented Programming (AOP)

Can you explain how this is being done? I am trying to achieve the same thing in python

sources for context:

• https://docs.datadoghq.com/tracing/trace_collection/automatic_instrumentation/dd_libraries/python/
• https://www.youtube.com/watch?v=tQck10GCC90

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