def create_tmp_dir():
'''<STR_LIT>'''<EOL>'''<STR_LIT>'''<EOL>global tmp_dir<EOL>tmp_dir = os.path.join('<STR_LIT>', str(uuid.uuid4()))<EOL>if not os.path.exists(tmp_dir):<EOL><INDENT>os.makedirs(tmp_dir)<EOL><DEDENT>else:<EOL><INDENT>print("<STR_LIT>" % tmp_dir)<EOL>return<EOL><DEDENT>
create a unique tmp dir to hold the downloaded local files