快一个月木有更新了，在这段时间内，博主除了忙工作外，就一直在研究python编程，据圈内朋友闲聊，python应该是未来一个运维攻城狮除了shell以外必备的LINUX脚本语言，所以就硬着头皮，按照老男孩的python视频讲座，把自己的研究成果贴出来，目前还没学完，期待老男孩的讲座更加给力些。
PS: 1.老男孩的python视频讲座很不错，希望能继续免费下去。。。
2.博主编程很烂，有什么地方有问题，还请多多指教。。。
3.最近买了本PYTHON核心编程，啃书ing。。。
系统环境: Ubuntu 12.10 server 64-bit
PYTHON: Python 2.7.3
# mkdir python
# vi contact_list.txt
-------------------------
1 zhangsan IT 0001
2 lisi IT 0002
3 wangwu HR 0003
4 zhaoliu OP 0004
-------------------------
# vi staff_list.py
----------------------------------------------------
#!/usr/bin/env python#encoding:utf-8 # 支持中文输入import sysimport getpassimport shutilimport commandsimport timeimport fileinputstaff_list = 'contact_list.txt'# 参数配置user = 'admin'passwd = '123456's = file(staff_list)ss = s.readlines()a = file(staff_list,'a')counter = 0_counter = 0# 认证登陆while True: # 计数器,超过3次强制退出 if counter <= 3: # 空用户名判断 name = raw_input("please input your name: ").strip() if len(name) == 0: print "empty name,try again!" continue # 用户名密码判断,密码隐藏 # pwd = raw_input("please input your password: ") pwd = getpass.getpass('please input your password:') if pwd == passwd and name == user: print "Welcome to login,%s" %name else: print "name or password is not valid,please try again!" counter +=1 continue break else: print "exceeded 3 times user login..exit the script" sys.exit()# 选择增删改查while True: item = raw_input('''\033[36;1mWelcome to login %s, what do you want to do?-----------------------press 'p' for printpress 'a' for addpress 'd' for deletepress 'u' for updatepress 's' for selectpress 'q' for quit-----------------------please make your choise: \033[0m''' % user) # 打印所有 if item == 'p': while True: user_select = open(staff_list,'r') s_ = user_select.read() print ' ' print '\033[32;1mThe content of the file\033[0m ' print '\033[32;1m--------------------------\033[0m ' print s_ print '\033[32;1m--------------------------\033[0m ' print ' ' break # 增加 elif item == 'a': while True: user_add_num = raw_input(("\033[32;1mplease input your number: \033[0m ").strip()) user_add_name = raw_input(("\033[32;1mplease input your name: \033[0m ").strip()) user_add_dept = raw_input(("\033[32;1mplease input your department: \033[0m ").strip()) user_add_id = raw_input(("\033[32;1mplease input your id: \033[0m ").strip()) user_item = '%s\t%s\t%s\t%s' %(user_add_num,user_add_name,user_add_dept,user_add_id) a.write("\n%s" %user_item) a.flush() print "\033[32;1mAdd item:\033[0m" print "\033[32;1m------------------\033[0m" print user_item print "\033[32;1m------------------\033[0m" print "\033[32;1mAdded successful!\033[0m" # 删除空行 del_blank_in = open('contact_list.txt','r') del_blank_out = open('contact_list_new.txt','w') lines = del_blank_in.readlines() for blank in lines: if blank.split(): del_blank_out.writelines(blank) del_blank_in.close() del_blank_out.close() # 覆盖原文件 shutil.move('contact_list_new.txt','contact_list.txt') user_add_choise = raw_input('press Q for quit or press any key to continue: ') if user_add_choise == 'Q': print 'bye!' break # 删除 elif item == 'd': while True: user_del_input = raw_input("please input sth to delete: ").strip() if len(user_del_input) == 0: print "empty input,try again!" else: # 输入值与源文件比对，有则丢弃，没有则添加到新文件，最后新文件覆盖源文件，实现删除功能 with open('contact_list.txt','r') as ff: with open('contact_list.txt.new','w') as gg: for line in ff.readlines(): if user_del_input not in line: gg.write(line) if user_del_input in line: print "\033[32;1mDelete item:\033[0m" print "\033[32;1m------------------\033[0m" print " %s " %line _counter += 1 # 计数器,判断输入值命中次数 print "\033[32;1m------------------\033[0m" print "\033[32;1mDeleted successful!\033[0m" if _counter == 0: print 'nothing delete!' shutil.move('contact_list.txt.new','contact_list.txt') # 退出删除 user_del_input_quit = raw_input("\033[32;1mpress Q for quit or press any key to continue? \033[0m").strip() if user_del_input_quit == 'Q': break # 查询 elif item == 's': while True: match_yes = 0 #输入判断，忽略空格输入,加入颜色 user_select_input = raw_input("\033[32;1mplease input sth to search:\033[0m ").strip() contact_file = file (staff_list) if len(user_select_input) == 0: print "empty input,try again!" else: while True: line = contact_file.readline() if len(line) == 0: break if user_select_input in line: match_yes = 1 print line else: pass if match_yes == 0 : print "No match item found" # 退出查询 user_select_input_quit = raw_input("\033[32;1mpress Q for quit or press any key to continue? \033[0m").strip() if user_select_input_quit == 'Q': break # 修改 elif item == 'u': while True: # 输入为空以及匹配查询内容判断 user_update_input_from = raw_input("\033[32;1mplease search sth to update: \033[0m").strip() update_match = 0 update_file = file(staff_list).readlines() for n_ in range(len(update_file)): if user_update_input_from in update_file[n_]: update_match = 1 else: pass if update_match == 0: print "No match item found" elif len(user_update_input_from) == 0: print "empty input,try again!" else: # 将匹配到的字符修改为新字符 while True: user_update_input_to = raw_input("\033[32;1mupdate %s to what?\033[0m " %(user_update_input_from)).strip() if len(user_update_input_to) == 0: print "empty input,try again!" else: for line_ in fileinput.input(staff_list,inplace = 1,backup='.bak'): line_ = line_.replace(user_update_input_from,user_update_input_to) print line_ # 打印修改字符的行 print "\033[32;1mupdate item:\033[0m" output_ = commands.getoutput("diff contact_list.txt contact_list.txt.bak|grep '^>.*' | sed 's/^>//g'") print "\033[32;1m---------------------------\033[0m" print output_ print "\033[32;1m---------------------------\033[0m" print "\033[32;1mupdate successfully!\033[0m" # 删除空行 del_blank_in = open('contact_list.txt','r') del_blank_out = open('contact_list_new.txt','w') lines = del_blank_in.readlines() for blank in lines: if blank.split(): del_blank_out.writelines(blank) del_blank_in.close() del_blank_out.close() # 覆盖原文件 shutil.move('contact_list_new.txt','contact_list.txt') break # 退出更新 user_update_input_quit = raw_input("\033[32;1mpress Q for quit or press any key to continue? \033[0m").strip() if user_update_input_quit == 'Q': break # 退出 elif item == 'q': print 'bye!' sys.exit() else: print "\033[31;1mnot a valid key word\033[0m" time.sleep(1) -----------------------------------------------------