python中 tab 键自动补全

来源：互联网发布：远程迅雷 linux 编辑：程序博客网时间：2024/05/20 23:57

1、使用python命令行查找不熟悉使用方法时，python命令行没有自带tab补全功能问题

[root@docker ~]# vim tab.py#!/usr/bin/env python # python startup file import sysimport readlineimport rlcompleterimport atexitimport os# tab completion readline.parse_and_bind('tab: complete')# history file histfile = os.path.join(os.environ['HOME'], '.pythonhistory')try:    readline.read_history_file(histfile)except IOError:    passatexit.register(readline.write_history_file, histfile)del os, histfile, readline, rlcompleter

2、代码有了，但还需将脚本放到python指定的目录下，可以使用sys.path来查看

>>> import sys>>> sys.path['', '/usr/lib64/python26.zip', '/usr/lib64/python2.6', '/usr/lib64/python2.6/plat-linux2', '/usr/lib64/python2.6/lib-tk', '/usr/lib64/python2.6/lib-old', '/usr/lib64/python2.6/lib-dynload', '/usr/lib64/python2.6/site-packages', '/usr/lib64/python2.6/site-packages/gst-0.10', '/usr/lib64/python2.6/site-packages/gtk-2.0', '/usr/lib64/python2.6/site-packages/webkit-1.0', '/usr/lib/python2.6/site-packages']

一般会将代码放在/usr/lib64/python2.6/site-packages目录下，可在任何目录下直接导入

>>> sys.sys.__class__(              sys.__stdout__              sys.executable              sys.pathsys.__delattr__(            sys.__str__(                sys.exit(                   sys.path_hookssys.__dict__                sys.__subclasshook__(       sys.exitfunc(               sys.path_importer_cachesys.__displayhook__(        sys._clear_type_cache(      sys.flags                   sys.platformsys.__doc__                 sys._current_frames(        sys.float_info              sys.prefixsys.__excepthook__(         sys._getframe(              sys.getcheckinterval(       sys.ps1sys.__format__(             sys.api_version

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