NamedTemporaryFIle.py

import os
import tempfile

temp = tempfile.NamedTemporaryFile()
try:
    print 'temp:', temp
    print 'temp.name:', temp.name
finally:
    # Automatically cleans up the file
    temp.close()
print 'Exists after close:', os.path.exists(temp.name)

###### Writing to a named temp file #########
# Import tempfile module
import tempfile

# Import os module
import os

# Declare object to open temporary file for writing
tmp = tempfile.NamedTemporaryFile('w+t')

# Declare the name of the temporary file
tmp.name="temp.txt"
try:

  # Print message before writing
  print('Write data to temporary file...')

  # Write data to the temporary file
  tmp.write('This is a temporary content.')

  # Move to the starting of the file
  tmp.seek(0)

  # Read content of the temporary file
  print('Read the content of temporary file: \n{0}'.format(tmp.read()))

finally:
  # Remove the file automatically
  tmp.close()

  # Check the file exist or not
  if(os.path.exists(tmp.name)):
    print('The file exist')
  else:
    print('The file does not exist')

TemporaryFile.py

# Working on text mode and dealing with a temp file without name
# We will write something to the file and read it back
import tempfile

f = tempfile.TemporaryFile(mode='w+t')
try:
    f.writelines(['first\n', 'second\n'])
    f.seek(0)

    for line in f:
        print line.rstrip()
finally:
    f.close()

"""
$ python tempfile_TemporaryFile_text.py

first
second
"""