[Tutor] random import errors?
python at jayloden.com
Sat Apr 2 01:20:15 CEST 2005
I have a python script that runs on my webserver every fifteen minutes. It
has run for several months with absolutely no problems. Suddenly, yesterday
morning I got an email from cron with an import error for sre_constants (see
I logged in with ssh, manually ran the script and got the same error. started
a Python interpreter shell, did "import sre_constants" and got no error.
Exited, then ran the script again...and got an error importing 'string'. I
manually started up Python interpreter again and imported string, again with
no error. Then I exited and ran the script, and it ran fine with no errors.
I got another such email from cron at 2:30am today ... anyone have any idea
what would cause such a seemingly random problem after months of working
(sample traceback is below)
'import site' failed; use -v for traceback
Traceback (most recent call last):
File "/usr/local/bin/last_update", line 7, in ?
import os, glob, time
File "/usr/lib/python2.2/glob.py", line 4, in ?
File "/usr/lib/python2.2/fnmatch.py", line 13, in ?
File "/usr/lib/python2.2/re.py", line 27, in ?
from sre import *
File "/usr/lib/python2.2/sre.py", line 97, in ?
File "/usr/lib/python2.2/sre_compile.py", line 15, in ?
from sre_constants import *
ImportError: No module named sre_constants
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