神器，轻松可视化 Python 程序调用流程

pip install pycallgraph

from pycallgraph import PyCallGraph
from pycallgraph.output import GraphvizOutput
class Banana:
   def eat(self):
       pass
class Person:
   def __init__(self):
       self.no_bananas()
   def no_bananas(self):
       self.bananas = []
   def add_banana(self, banana):
       self.bananas.append(banana)
   def eat_bananas(self):
       [banana.eat() for banana in self.bananas]
       self.no_bananas()
def main():
   graphviz = GraphvizOutput()
   graphviz.output_file = 'basic.png'
   with PyCallGraph(output=graphviz):
       person = Person()
       for a in range(10):
           person.add_banana(Banana())
       person.eat_bananas()
if __name__ == '__main__':
   main()

import re
from pycallgraph import PyCallGraph
from pycallgraph import Config
from pycallgraph.output import GraphvizOutput
def main():
   graphviz = GraphvizOutput()
   graphviz.output_file = 'regexp.png'
   config = Config(include_stdlib=True)
   with PyCallGraph(output=graphviz, config=config):
       reo = compile()
       match(reo)
def compile():
   return re.compile('^[abetors]*$')
def match(reo):
   [reo.match(a) for a in words()]
def words():
   return [
       'abbreviation',
       'abbreviations',
       'abettor',
       'abettors',
       'abilities',
       'ability',
       'abrasion',
       'abrasions',
       'abrasive',
       'abrasives',
   ]
if __name__ == '__main__':
   main()