parameters: ()
return_statement: return proxies
docstring: Return a dictionary of scheme -> proxy server URL mappings.
  
      Scan the environment for variables named <scheme>_proxy;
      this seems to be the standard convention.  If you need a
      different way, you can pass a proxies dictionary to the
      [Fancy]URLopener constructor.
docstring_summary: Return a dictionary of scheme -> proxy server URL mappings.
docstring_tokens: Return a dictionary of scheme - > proxy server URL mappings .
function: def getproxies_environment():
      """Return a dictionary of scheme -> proxy server URL mappings.
  
      Scan the environment for variables named <scheme>_proxy;
      this seems to be the standard convention.  If you need a
      different way, you can pass a proxies dictionary to the
      [Fancy]URLopener constructor.
  
      """
      proxies = {}
      for name, value in os.environ.items():
          name = name.lower()
          if value and name[-6:] == '_proxy':
              proxies[name[:-6]] = value
      return proxies
function_tokens: def getproxies_environment ( ) : proxies = { } for name , value in os . environ . items ( ) : name = name . lower ( ) if value and name [ - 6 : ] == '_proxy' : proxies [ name [ : - 6 ] ] = value return proxies