"Cute Python" reading notes (vi)

With no perfect software, enough and easy-to-use software is perfect.

To sort out the code for these days today

# -*- coding: utf-8 -*-import osimport sysimport cmdclass pycdc (cmd. CMD):     def __init__ (self):             #  Initialize base class         cmd.cmd.__init__ (self)          self.CDROM =  ' E:\\ISO\\CENTOS-6.8-X86_64-BIN-DVD1 '          self. cddir =  ' f:\\back\\ '         #  defines the prefix character of the command-line environment          self.prompt =  "(PYCDC) >"          #  defining the initial hints for the command-line environment         self.intro =  "" "Instructions for use:         dir  Directory name    #  specify save and search directory, default is "f:\\back\\"         walk  file name   #  Specify disc informationFile name, using "*.CDC"         find  keywords   #  Use to traverse all. CDC files in the Save and search directory to output lines that contain keywords         ?      #查询         quit   #推出系统, you can also use Ctrl+d (Unix) | CTRL + Z (dos/windows)          "" "             def do_walk (Self, filename):           if filename ==  "":             filename = input ("Please enter CDC file name:")          print ("Specified saved file name: '%s '"  % filename)         cdwalker ( Self. Cdrom, self. Cddir+filename)             def help_walk (self ):       &NBsp;   print ("Scans the directory structure of the specified path and outputs it to the specified '. CDC ' file")              def do_dir (Self, pathname):         if pathname ==  "":             Pathname = input ("Please enter the specified save/Search directory (default: '%s '):"  %  (self. Cddir))         self. Cddir = pathname        print ("Specify Save/Search directory as: '%s '"  %  (pathname))         mkdir (pathname)              def help_dir (self):         print (" Specify Save/Search directory ")             def do_find (self,  keyword):        if keyword ==  "":   &Nbsp;         keyword = input ("Please enter search keywords:")          print ("Specify Search keyword: '%s '"  % keyword)          cdcgrep (self. Cddir, keyword)             def help_find (self):         print ("search keywords")            def do_quit (Self, arg):         Sys.exit ()             def help_quit (self):         print ("Exit program")              #  define a shortcut for quit     do_q = do_quit         def cdwalker (cdrom, cdcfile):     "     scans the directory structure of the specified path and saves it as a new file      '     export = []     for root, dirs, files in os.walk (CDROM):         export.append ("\n %s;%s;%s"  %  (root, dirs, files))      open (cdcfile,  ' W '). Write (". Join")     print (' Scan directory structure saved to {} '). Format (cdcfile))     def cdcgrep (Cdcpath, keyword):     "      disc Information text keyword search      '     #  search for files in directory      filelist = os.listdir (Cdcpath)     cdcpath = cdcpath  +  "\"     #  Loop file list     for cdc in  filelist:                       &nbSp;    if os.path.isdir (CDCPATH+CDC):             print (' Search sub-directory {} '. Format (CDCPATH+CDC))              #  if a subdirectory, the recursive call completes the lookup              cdcgrep (Cdcpath+cdc, keyword)         else:             if cdc.endswith ('. CDC '):                 print (' Find target file: {} '. Format ( CDC))                 #  Flatten the file path and open file                  Cdcfile = open (CDCPATH + CDC)                  #  read each line of the file and follow the bad                  for line in cdcfile.readlines ():                     exist = False                     #   Determine if there is a keyword in the row                      if keyword in line:                         print ( Line)                          exist = True                 if not exist:                     print (' File {} ' cannot find the keyword {} '. Format (Cdc, keyword))                           def mkdir (pathname):     "     Automatically create a nonexistent directory      '     #  remove the trailing spaces     path= Pathname.strip ()      #  remove tail  \  symbol     path= Pathname.rstrip ("\ \")     #  determine if the path exists     if not  Os.path.exists (pathname):        try:             #  Create a catalog              os.makedirs (pathname)         except filenotfounderror as reason:             print (reason)          else:            print (' The specified directory does not exist, will be created automatically for you ')             if __name__ ==  ' __main_ _ ':     CDC = PYCDC ()     cdc.cmdloop ()

The

works as follows:

Instruction:        dir  Directory name    #  specify save and search directory, default is "F:\ Back\ "        walk  file name   #  Specify the disc information file name, use" *.CDC "         find  keywords   #  Use to traverse all. CDC files in the Save and search directory to output lines that contain keywords         ?      #查询         quit   #推出系统, you can also use Ctrl+d (Unix) | CTRL + Z (dos/windows)          (PYCDC) >walk Enter the CDC file name: 1.CDC Specifies that the saved file name is: ' 1. CDC ' Scan directory structure saved to F:\BACK\1.CDC (PYCDC) >?dir Specify save/Search directory (PYCDC) >dir Please enter the specified save/Search directory (default: ' F:\back\ '): G:\back Specify Save/ The search directory is: ' G:\back\ ' [winerror 3]  the system cannot find the path specified. :  ' g:\\ ' (PYCDC) >dir f:\back\bak specifies that the save/Search directory is: ' F:\back\bak\ ' specified directory does not exist and will automatically create (PYCDC) >walk 2 for you. CDC specifies that the saved file name is: ' 2.CDC ' scan directory structure saved to F:\BACK\BAK\2.CDC (PYCDC) >find Please enter search keywords: image specifies the search keyword: ' image ' to locate the target file: 2.cdc e : \iso\centos-6.8-x86_64-BIN-DVD1; [' EFI ',  ' images ',  ' isolinux ',  ' [BOOT] '; ['. Discinfo ',  '. Treeinfo ',  ' centos_buildtag ',  ' EULA ',  ' GPL ',  ' Release-notes-en-us.html ',  ' rpm-gpg-key-centos-6 ',  ' rpm-gpg-key-centos-debug-6 ',  ' Rpm-gpg-key-centos-security-6 ',  ' rpm-gpg-key-centos-testing-6 ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images; [' Pxeboot ']; [' efiboot.img ',  ' efidisk.img ',  ' install.img ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images\pxeboot; []; [' initrd.img ',  ' TRANS. TBL ',  ' Vmlinuz ' (PYCDC) >dir f:\back Specify save/Search directory as: ' F:\back ' (PYCDC) >find  Images specifies that the search keyword is: ' Images ' to locate the target file:1.cdc e:\iso\centos-6.8-x86_64-bin-dvd1; [' EFI ',  ' images ',  ' isolinux ',  ' [BOOT] '; ['. Discinfo ',  '. Treeinfo ',  ' centos_buildtag ',  ' EULA ',  ' GPL ',  ' Release-notes-en-us.html ',  ' rpm-gpg-key-centos-6 ',  ' rpm-gpg-key-centos-debug-6 ',  ' Rpm-gpg-key-centos-security-6 ',  ' rpm-gpg-Key-centos-testing-6 ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images; [' Pxeboot ']; [' efiboot.img ',  ' efidisk.img ',  ' install.img ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images\pxeboot; []; [' initrd.img ',  ' TRANS. TBL ',  ' vmlinuz ' Search subdirectories F:\back\back1 Search subdirectories F:\back\back1\back11 Search subdirectories F:\back\back2 Search subdirectories F:\back\bak find target files: 2.CDC  E:\iso\CentOS-6.8-x86_64-bin-DVD1; [' EFI ',  ' images ',  ' isolinux ',  ' [BOOT] '; ['. Discinfo ',  '. Treeinfo ',  ' centos_buildtag ',  ' EULA ',  ' GPL ',  ' Release-notes-en-us.html ',  ' rpm-gpg-key-centos-6 ',  ' rpm-gpg-key-centos-debug-6 ',  ' Rpm-gpg-key-centos-security-6 ',  ' rpm-gpg-key-centos-testing-6 ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images; [' Pxeboot ']; [' efiboot.img ',  ' efidisk.img ',  ' install.img ',  ' TRANS. TBL '] e:\iso\centos-6.8-x86_64-bin-dvd1\images\pxeboot; []; [' initrd.img ',  ' TRANS. TBL ',  ' Vmlinuz '] (PYCDC) >find cd Specify search keywordsFor: ' CD ' to find the target file: 1.CDC file 1.CDC, the keyword CD found the target file: 11.CDC file 11.CDC, the keyword CD search subdirectory F:\back\\back1 Search subdirectories F:\back\\back1\ BACK11 Search subdirectory F:\back\\back2 Search subdirectory F:\back\\bak Locate target file: 2.CDC file 2.CDC, keyword CD (PYCDC) >q

The above code adds the "Automatically create this directory when a nonexistent save/search directory is manually specified" feature, which implements the completed version of the pycdc!

"Cute Python" reading notes (vi)