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()