import os
import tempfile
 
# This will most certainly put you at risk
tmp = os.path.join(tempfile.gettempdir(), filename)
if not os.path.exists(tmp):
 with open(tmp, "w") file:
  file.write("defaults")

import os
import tempfile
 
open(tempfile.mktemp(), "w")

filename = "{}/{}.tmp".format(tempfile.gettempdir(), os.getpid())
open(filename, "w")

fd, path = tempfile.mkstemp()
try:
 with os.fdopen(fd, 'w') as tmp:
  # do stuff with temp file
  tmp.write('stuff')
finally:
 os.remove(path)

# 句柄关闭，文件即删除
with tempfile.TemporaryFile() as tmp:
 # Do stuff with tmp
 tmp.write('stuff')

tmp = tempfile.NamedTemporaryFile(delete=True)
try:
 # do stuff with temp
 tmp.write('stuff')
finally:
 tmp.close() # 文件关闭即删除