python文件和目錄

# -*- coding: utf-8 -*-

import os

def printFile(rootDir):
	allFiles = os.listdir(rootDir) #列出文件夾下所有文件和目錄
	for i in range(0, len(allFiles)):
		# print(rootDir + allFiles[i])
		path = os.path.join(rootDir, allFiles[i])
		if not os.path.isfile(path):
			print(path, " is a directory.")
		else:
			print(path, " is a file.")

# 得到一個文件夾下面的所有文件，不遞歸
def getAllFileOfADir(rootDir):
	fileList = []
	allFiles = os.listdir(rootDir) #列出文件夾下所有文件和目錄
	for i in range(0, len(allFiles)):
		# print(rootDir + allFiles[i])
		path = os.path.join(rootDir, allFiles[i])
		if not os.path.isfile(path):
			#print(path, " is a directory.")
			pass
		else:
			#print(path, " is a file.")
			fileList.append(path)
	return fileList		
	
def printList(l):
	length = len(l)
	for i in range(0, length):
		print(l[i])
		
# recursionDepth爲遞歸的深度，爲1時，僅僅查找rootDir目錄下的所有指定文件，
# 不再查找子目錄
# Suffix爲要查找的指定的文件後綴名列表		
allFile = [] # global
def getAllFileOfADir(rootDir, recursionDepth, Suffix=None):
	if(recursionDepth < 0):
		return
	#fileList = []
	allFiles = os.listdir(rootDir) #列出文件夾下所有文件和目錄
	for i in range(0, len(allFiles)):
		path = os.path.join(rootDir, allFiles[i])
		if not os.path.isfile(path):
			if(not(allFiles[i] == '.' or allFiles[i] == '..')):
				getAllFileOfADir(path + '/', recursionDepth - 1, Suffix)
		else:
			if(Suffix != None):
				for suffix in Suffix:
					if(allFiles[i].find(suffix) > -1):
						allFile.append(path)
						break
			else:
				allFile.append(path)

# python 文件操作，非常方便
def dirOperate():
	dir1 = "C:/"
	dir2 = "g:/backUp/"
	dir3 = "g:/lin"
	file1 = "g:/people.lxe"
	file2 = "G:/交通狀態/00020時間.xlsx"
	file3 = "G:/opencv3.4.0.zip"
	
	dirList = []
	dirList.append(dir1)
	dirList.append(dir2)
	dirList.append(dir3)
	fileList = [file1, file2, file3]
	
	for dir in dirList:
		if os.path.exists(dir):
			print(dir, " exists.")
		else:
			print(dir, " doesn't exists.")
	
	for file in fileList:
		if(os.path.exists(file)):
			print(file, " exist!")
		else:
			print(file, " doesn't exists.")
			
	print()
	list_total = [dirList, fileList]
	for fileSet in list_total:
		for file in fileSet:
			if os.path.exists(file):
				print(file, " exists.")
				if os.path.isfile(file):
					print(file, " is a file.")
				else:
					print(file, " is a dictory")
					
				if os.access(file, os.R_OK):
					print(file, " is accessible to read.")
				if os.access(file, os.W_OK):
					print(file, "is accessible to write.")
				if os.access(file, os.X_OK):
					print(file, "is accessible to execute.")
			else:
				print(file, " doesn't exists.")
	# os.rename(), os.remove(), os.move(), os.copy(), os.copytree()
				
def main():
	rootDir1 = "F:/"
	#printFile(rootDir1)
	
	#file = getAllFileOfADir(rootDir1)
	#printList(file)
	#print("Total file: ", len(file))
	
	rootDir2 = "F:/2345Downloads/"
	# getAllFileOfADir(rootDir2, 0)
	# getAllFileOfADir(rootDir2, 1, ['.exe', '.zip'])
	# getAllFileOfADir(rootDir2, 2)
	# printList(allFile)
	# print("Total file: ", len(allFile))
	
	dirOperate()
	

if __name__ == '__main__':
	main()