Case study: Read text information from a mailbox and generate new file information for saving

2018-10-23

BUG Experience: You can't open a file twice in a file as a file object with the same name, such as file_obj and file_obj2 in line 14 and 36 below, respectively.

1. Processing the file formatting under the following file structure into another file structure to save

#__author:"Luck*good"
#date: 2018/10/23 0023
#function:
# BUG Experience: Opening a file twice in a file can't as File objects with the same name, such as lines 14 and 36 below, have different names file_obj and file_obj2


# Read text information from a mailbox and generate new file information for saving

import os
import collections

# Processing ordinary file functions
def work(filePath):
    resultDir = r'E:\[AAA](thousand)Full stack learning python\18-10-21\day7\resultDir'
    with open(filePath,'r') as file_obj:
        while True:
            #Read the first row of data such as #laphael1985@163.com----198587
            lineInfo = file_obj.readline()

            # Set an exit while Signs of Circulation
            if len(lineInfo) < 5:
                break

            mailPsw = lineInfo.split('----')[-1]
            mailStr = lineInfo.split('----')[0]
            mailType = mailStr.split('@')[-1].split('.')[0]
            mailDetail = mailStr.split('@')[0]

            #Store as new folders and file text operations
            newDirPath  = os.path.join(resultDir,mailType)
            # Check to create a folder without it
            if not os.path.exists(newDirPath):
                os.mkdir(newDirPath)

            #After creating the type folder, store the new file information in it
            newFilePath = os.path.join(newDirPath,mailType+'.txt')
            with open(newFilePath,'a') as file_obj2:
                file_obj2.write(mailDetail)
                file_obj2.write('----')
                file_obj2.write(mailPsw+'\n')


def getAllDirIT(path):
    queue=collections.deque()
    #Enter the team
    queue.append(path)

    #When the queue is empty, stop the loop
    while len(queue) != 0:
        #Out of the team data here is equivalent to finding A Absolute path of element
        dirPath = queue.popleft()
        # Find out all subdirectory information under the directory, or file information under the directory.
        dirList = os.listdir(dirPath)

        #Traverse through other information under this folder
        for filename in dirList:
            #Absolute Path
            dirAbsPath = os.path.join(dirPath,filename)

            # Judgment: If it is a catalogue dir Entry operation, if not dir Print it out.
            if os.path.isdir(dirAbsPath):
                print("Catalog:"+filename)
                queue.append(dirAbsPath)
            else:
                # Find common files and process information. Pass the path of this ordinary file through
                work(dirAbsPath)

# Call of function
getAllDirIT(r'E:\[AAA](thousand)Full stack learning python\18-10-21\day7\newdir')

Result:

Password saved after 163 mailbox processing