Changing the module not taking effect in calling module

09-27-05, 09:37 AM

Gopal

Hi,

I've a module report.py having a set of funtions to open/close/write
data to a log file. I invoke these functions from another module
script.py.

Whenever I'm changing something in report.py, I'm running the file
(however, it has not effect). After that I'm running script.py again.
However, the output is not taking effect.

If I shut the IDLE interpreter and all the other files and then reopen
again; and then run script.py, the output is taking effect.

Is there any way to improve it? I'm new to Python.

-Gopal.

09-27-05, 10:01 AM

Juho Schultz

Gopal wrote:
> Hi,
>
> I've a module report.py having a set of funtions to open/close/write
> data to a log file. I invoke these functions from another module
> script.py.
>
> Whenever I'm changing something in report.py, I'm running the file
> (however, it has not effect). After that I'm running script.py again.
> However, the output is not taking effect.
>
> If I shut the IDLE interpreter and all the other files and then reopen
> again; and then run script.py, the output is taking effect.
>
> Is there any way to improve it? I'm new to Python.
>
> -Gopal.
>

you could try "reload(module)" instead of "import module" or running the file.

09-27-05, 10:08 AM

Mikael Olofsson

Gopal wrote:

> I've a module report.py having a set of funtions to open/close/write
> data to a log file. I invoke these functions from another module
> script.py.
>
> Whenever I'm changing something in report.py, I'm running the file
> (however, it has not effect). After that I'm running script.py again.
> However, the output is not taking effect.
>
> If I shut the IDLE interpreter and all the other files and then reopen
> again; and then run script.py, the output is taking effect.
>
> Is there any way to improve it? I'm new to Python.

If I understand you correctly, you are importing your module report in
script.py. If so, you need reload.

When in IDLE, you have a python process running, in which you execute
your program. The first time you run script.py after starting IDLE, your
module report is imported from file. The next time you run script.py,
there is already a module named report in memory. Then the corresponding
file will not be executed again. Instead, the one in memory will be used.

What I do when I am developing a module for a program is that I both
import and reload the module in my main file. Once I think I am done
developing, I remove the reload statement. So, in your script.py, I
would write:

import report
reload(report)

HTH
/MiO

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