Python调用栈跟踪

tracer.py

# coding: utf-8

from __future__ import print_function
import re
import sys

filter = re.compile(r'site-packages/requests/.*')


def tracer(frame, event, args):
    if filter.search(frame.f_code.co_filename):
        print({
            'event': event,
            'filename': frame.f_code.co_filename,
            'lineno': frame.f_lineno,
            'context': frame.f_code.co_name
        })
    return tracer


sys.settrace(tracer)