Delete files and folders from downloads,desktop,documents except logged in user

import ctypes

import os

from subprocess import PIPE,Popen

import time

import shutil

​

start=time.time()

class disable_file_system_redirection:

    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection

    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection

    def __enter__(self):

        self.old_value = ctypes.c_long()

        self.success = self._disable(ctypes.byref(self.old_value))

    def __exit__(self, type, value, traceback):

        if self.success:

            self._revert(self.old_value)

​

​

def permissions(dirpath):

    mode=0o777

    if os.path.isdir(dirpath):

        try:

            for root,dirs,files in os.walk(dirpath,topdown=False):

                for dircs in [os.path.join(root,d) for d in dirs]:

                    os.chmod(dircs,mode)

                for s_file in [os.path.join(root,f) for f in files]:

                    os.chmod(s_file,mode)

        except Exception as E:

            print "File being Used %s"

​

def convert_bytes(size, unit=None):

    if unit == "KB":

        return (str(round(size / 1024, 3)))

    elif unit == "MB":

        return (str(round(size / (1024 * 1024), 3)))

    elif unit == "GB":

        return (str(round(size / (1024 * 1024 * 1024), 3)))

    else:

        return (str(size))

def size(path):

    #initialize the size

    total_size = 0

    #use the walk() method to navigate through directory tree

    for dirpath, dirnames, filenames in os.walk(path):

        for i in filenames:

            #use join to concatenate all the components of path

            f = os.path.join(dirpath, i)

            #use getsize to generate size in bytes and add it to the total size

            total_size += os.path.getsize(f)

    return total_size

​

​

users=os.popen("net user").read().split()[5:-4]

fil_users=[i.strip() for i in users if i.strip()!="Administrator" and i.strip()!="Guest"]

loggeduser=os.popen("whoami").read().split("\\")[1].strip()

n_fil_users=[]

for i in fil_users:

    if i.upper()!=loggeduser.upper():

        n_fil_users.append(i)

    else:

        pass

#desktop

path_desktop=[]

path_documents=[]

path_download=[]

for i in n_fil_users:

    value1="C:\\Users\\"+i+"\\Desktop"

    value2="C:\\Users\\"+i+"\\Documents"

    value3="C:\\Users\\"+i+"\\Downloads"

    #print value

    if os.path.exists(value1):

        path_desktop.append(value1)

        path_documents.append(value2)

        path_download.append(value3)

    else:

        pass

# print path_desktop

# print path_documents

# print path_download

#merged list

paths=[]

paths.extend(path_documents)

paths.extend(path_desktop)

paths.extend(path_download)

# print paths

for i in paths:

    j=size(i)

    print i+" size:"+convert_bytes(j,"MB")+" MB"

​

with disable_file_system_redirection():

    for i in paths:

        permissions(i)

        print "Removing files and folders %s"%i

        shutil.rmtree(i,ignore_errors=True)

​

#checking

print "Checking"

for i in paths:

    j=size(i)

    print i+" size:"+convert_bytes(j,"MB")+" MB"

end=time.time()

print "Execution time"

print end-start