RE: [Jython-users] load module named "datetime" and change the directory of output file?

[David H. <Dav...@sa...>]

1. If you go to the official documentation for the datetime module at:

http://docs.python.org/lib/module-datetime.html

It says "New in version 2.3.". Since Jython is still catching up to =
Python 2.2, the datetime module is not available.

2. This is a basic Python programming question. I think there is a =
python-tutor list at http://mail.python.org/mailman/listinfo/tutor that =
is more appropriate for these questions. But I feel like teaching =
someone today, so here's an answer.

If you want a file to appear in a directory other than the current =
directory, it is best to give the full path name to the file you want to =
create. Try this (I called os.mkdir() to create the c:\python\result =
directory, assuming it doesn't exist yet.)

Jython 2.1 on java1.4.2_04 (JIT: null)
Type "copyright", "credits" or "license" for more information.
>>> import os
>>> os.mkdir(r'c:\python\result')
>>> f =3D open(r'c:\python\result\test.txt', 'w')
>>> print >> f, "Hello, world"
>>> f.close()
>>> os.listdir(r'c:\python\result')
['test.txt']
>>>

Also please research the os module and look at what the os.path.join() =
function can do for you.

-----Original Message-----
From: jyt...@li... =
[mailto:jyt...@li...] On Behalf Of ye juan
Sent: Wednesday, February 01, 2006 10:02 AM
To: jyt...@li...
Subject: [Jython-users] load module named "datetime" and change the =
directory of output file?

Hi, all
 =20
I have some questions to ask:

1. How can I add a standard module named "datetime" in Jython when the =
error happens :"Traceback (innermost
last):
  File "C:\python\test.py", line 3, in ?
ImportError: no module named datetime "
 The line 3 is writen: "from datetime import datetime, tzinfor"

2. I hope test.py outputs a file like test.txt, but I want to change the =
directory of the result file named test.txt. for example, the result is =
in c:\python\test.txt, but I want to put it in =
c:\python\result\test.txt. How can I change the directory in java?

Thanks for your answer!

Sincerely,

Erica




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http://cn.mail.yahoo.com/


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