import os
import urllib2
import math
import re
import ctypes
from subprocess import PIPE,Popen
url='http://download.ccleaner.com/dfsetup221.exe'
silent='/S'

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 defrag(fragmetvol,path):
    with disable_file_system_redirection():
        print("Fragment analysis....")
        process=Popen("defrag -a %s:\ "%fragmetvol,stderr=PIPE,stdout=PIPE)
        res,err=process.communicate()
        if err:
            print err
        else:
            print res
        fragmetpercent=re.findall("Total\s+fragmented\s+space\s+=\s+\d+%",res)
        fragpercentage=int(fragmetpercent[0].split()[-1].replace("%",""))
        if fragpercentage>30:
            os.chdir(path)
            print os.popen('df.exe %s'%fragmetvol).read()
        else:
            print "The fragement percentage is less than 30% \n "+fragmetpercent[0]
        

def Download(URL):
    import urllib2
    import os
    print "Download started"
    fileName =URL.split('/')[-1]
    src_path=os.environ['ProgramData']
    silent='/S'
    fp = os.path.join(src_path, fileName)
    request = urllib2.Request(URL, headers={'User-Agent' : "Magic Browser"})
    parsed = urllib2.urlopen(request)
    if os.path.exists(src_path):
        print "Path already exists"
    if not os.path.exists(src_path):
        os.makedirs(src_path)
    with open(fp, 'wb') as f:
        while True:
            chunk=parsed.read(100*1000*1000)
            if chunk:
                f.write(chunk)
            else:
                break
    print "The file downloaded successfully in specified path",fp
    try:
        print'Downloaded Application %s Installation Started'%fileName
        os.popen(fp+' '+silent).read()
        print '%s Application Successfully Installed'%fileName
        os.popen("del /Q 'C:\users\public\desktop\Defraggler.lnk'").read()
    
    except:
        return 'No : '+fp+' is exist'


a=os.path.join(r'C:\Program Files',r'Defraggler')
Download(url)
vols=os.popen("wmic logicaldisk where drivetype=3 get caption").read().split()[1:]
fragl=[i.replace(":","") for i in  vols]
for i in fragl:
    defrag(i,a)
os.chdir(a)
print os.popen('uninst.exe'+' '+"/S").read()