def split(file): # File split function
fs = FileSystemStorage()
filename = fs.save(file.name, file)
source = os.path.join(MEDIA_ROOT, filename)
dest = os.path.join(MEDIA_ROOT, 'temp/')
chunks = (int)((file.size) / 3)
fs = FileSplit(source, chunks, dest)
fs.split()
os.remove(source)
fname = filename.split('.')
dest1 = dest + fname[0] + '_3.' + fname[1]
dest2 = dest + fname[0] + '_4.' + fname[1]
if (os.path.exists(dest1)):
with open(dest1, 'ab') as f:
fl = open(dest2, 'rb').read()
f.write(b'\n' + fl)
os.remove(dest2)
