Temp File in Context Manager

20 Apr 2019

import tempfile

with tempfile.TemporaryFile() as fp:
    fp.write(b'Hey Toronto')
    fp.seek(0)
    print(fp.read())

b'Hey Toronto'

fp

<_io.BufferedRandom name=59>

fp.read()

---------------------------------------------------------------------------

ValueError                                Traceback (most recent call last)

<ipython-input-8-5b707e20d623> in <module>()
----> 1 fp.read()


ValueError: read of closed file

# As you can see the error, the file is already closed. So, you can't read anymore