python.py 文件源码

def reloadModules(pattern='.*', skipPattern='^IPython'):
  ''' Reload modules that match pattern regular expression (string or compile re) '''

  from types import ModuleType
  import sys
  import os
  import re

  pattern = re.compile(pattern)
  skipPattern = re.compile(skipPattern)

  modules = sys.modules.keys()
  #In case something is loaded in the background, it will craete a
  #"dictionary changed size during iteration" error 

  for m in modules:
    if isinstance(sys.modules[m], ModuleType) and \
       m not in sys.builtin_module_names and \
       '(built-in)' not in str(sys.modules[m]) and \
       pattern.search(m) and \
       not skipPattern.search(m):
      with Try():
        reload(sys.modules[m])