tempdir context manager

---

examples/advanced/mytmpdir.py

import os
from contextlib import contextmanager
import tempfile
import shutil

@contextmanager
def tmpdir():
    dd = tempfile.mkdtemp()
    try:
        yield dd
    finally:
        shutil.rmtree(dd)

examples/advanced/use_mytmpdir.py

from mytmpdir import tmpdir
import os

with tmpdir() as temp_dir:
    print(temp_dir)
    with open( os.path.join(temp_dir, 'some.txt'), 'w') as fh:
        fh.write("hello")
    print(os.path.exists(temp_dir))
    print(os.listdir(temp_dir))

print(os.path.exists(temp_dir))

/tmp/tmprpuywa3_
True
['some.txt']
False