url = r"https://statics.teams.cdn.office.net/production-teamsprovision/lkg/teamsbootstrapper.exe" import subprocess import os import ctypes import re import ssl import urllib2 import shutil 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 call_command(command): with disable_file_system_redirection(): process=subprocess.Popen(command, stdin=subprocess.PIPE,stdout=subprocess.PIPE, shell=True) stdout,stderr = process.communicate() ret = process.returncode return ret,stdout,stderr def uninstall(command, success_msg, error_msg): returncode, output, error = call_command(command) if returncode == 0: print(output) print(success_msg) else: if error: print(error) print(error_msg) else: print("Something went wrong. Return code: %s"%(returncode)) print(error_msg) def downloadFile(DownTo, fromURL): headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36'} context = ssl._create_unverified_context() request = urllib2.Request(fromURL, headers=headers) req = urllib2.urlopen(request,context=context) try: with open(DownTo, 'wb') as f: while True: chunk = req.read(100*1000*1000) if chunk: f.write(chunk) else: break if os.path.isfile(DownTo): return '{} - {}KB'.format(DownTo, os.path.getsize(DownTo)/1024) except: return 'Please Check URL or Download Path!' def check_and_uninstall(): with disable_file_system_redirection(): userout = os.popen('query user').read() users=os.popen("wmic UserAccount get Name").read().strip().splitlines() fil_users=[i.strip() for i in users if i.strip()!="Administrator" and i.strip()!="DefaultAccount" and i.strip()!="Guest" and i.strip()!="WDAGUtilityAccount"] try: try: curusername = re.findall(r"(.*)\s+\S+\s+\S+\s+Active",userout)[0].strip() except: raise Exception("no user seems to be logged in on this system") curcheck = list(filter(lambda x: x.lower()==curusername.lower(),fil_users)) if curcheck: sid = os.popen("wmic useraccount where name=\"%s\" get sid"%(curusername)).read().splitlines()[1].strip() query = os.popen("REG QUERY HKEY_USERS\\%s\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\"%(sid)).read() for rk in query.splitlines(): displayname = os.popen('REG QUERY "%s" /v DisplayName'%(rk)).read() if "Microsoft Teams classic" in displayname: TeamsPath = r"C:\Users\%s\AppData\Local\Microsoft\Teams"%(curusername) CachePath = r"C:\Users\%s\AppData"%(curusername) print("Microsoft Teams classic found for the user - %s, uninstalling...."%(curusername)) uninstallstringQuery = os.popen('REG QUERY "%s" /v QuietUninstallString'%(rk)).read().split("REG_SZ")[-1].strip() call_command('taskkill /IM "Teams.exe" /F') success_message = "Successfully uninstalled Microsoft Teams classic for the user: %s"%(curusername) error_message = "Failed to uninstall Microsoft Teams classic for the user: %s"%(curusername) uninstall('%s'%(uninstallstringQuery), success_message, error_message) print(call_command('reg delete "%s" /f'%(rk))) try: shutil.rmtree(r"%s\Local\Microsoft\Teams"%(CachePath), ignore_errors=True) shutil.rmtree(r"%s\Local\Microsoft\TeamsPresenceAddin"%(CachePath), ignore_errors=True) shutil.rmtree(r"%s\Roaming\Microsoft\Teams"%(CachePath), ignore_errors=True) os.remove(r"C:\Users\%s\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Microsoft Teams classic.lnk"%(curusername)) os.remove(r"C:\Users\%s\Desktop\Microsoft Teams classic.lnk"%(curusername)) except Exception as delete_error: print(delete_error) except Exception as err: print(err) else: fil_users.remove(curcheck[0]) for us in fil_users: if os.path.exists("C:\\Users\\%s\\ntuser.dat"%(us)): ret,out,err = call_command('reg load "HKU\\%s" "C:\\Users\\%s\\ntuser.dat"'%(us,us)) if out: try: query = os.popen("REG QUERY HKEY_USERS\\%s\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\"%(us)).read() for rk in query.splitlines(): displayname = os.popen('REG QUERY "%s" /v DisplayName'%(rk)).read() if "Microsoft Teams classic" in displayname: TeamsPath = r"C:\Users\%s\AppData\Local\Microsoft\Teams"%(us) CachePath = r"C:\Users\%s\AppData"%(us) print("Microsoft Teams classic found for the user - %s, uninstalling...."%(us)) uninstallstringQuery = os.popen('REG QUERY "%s" /v QuietUninstallString'%(rk)).read().split("REG_SZ")[-1].strip() call_command('taskkill /IM "Teams.exe" /F') success_message = "Successfully uninstalled Microsoft Teams classic for the user: %s"%(us) error_message = "Failed to uninstall Microsoft Teams classic for the user: %s"%(us) uninstall('%s'%(uninstallstringQuery), success_message, error_message) print(call_command('reg delete "%s" /f'%(rk))) try: shutil.rmtree(r"%s\Local\Microsoft\Teams"%(CachePath), ignore_errors=True) shutil.rmtree(r"%s\Local\Microsoft\TeamsPresenceAddin"%(CachePath), ignore_errors=True) shutil.rmtree(r"%s\Roaming\Microsoft\Teams"%(CachePath), ignore_errors=True) os.remove(r"C:\Users\%s\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Microsoft Teams classic.lnk"%(us)) os.remove(r"C:\Users\%s\Desktop\Microsoft Teams classic.lnk"%(us)) except Exception as delete_error: print(delete_error) except Exception as err: print(err) else: unLoad = os.popen('reg unload "HKU\\%s"'%(us)).read() else: print(err) def install_Teams_system_wide(): Down_path=os.environ['TEMP'] Name = url.split("/")[-1] DownTo = os.path.join(Down_path, Name) print(downloadFile(DownTo, url)) success_message = "Successfully installed Microsoft Teams New" error_message = "Failed to install Microsoft Teams New" uninstall('"%s" -p'%(DownTo), success_message, error_message) os.remove(DownTo) check_and_uninstall() install_Teams_system_wide()