List of modules available for import inside Python?

[Fredrik Lundh]

Re: List of modules available for import inside Python?

Michele Simionato wrote:

I have just tried the following on my Ubuntu box with the system
Python:
>
~$ python /usr/lib/python2.5/doc/tools/listmodules.py
/usr/lib/python2.5/doc/tools/listmodules.py: 99: DeprecationWarn ing:
the rgbimg module is deprecated
__import__(m)
>
** (process:24863) : WARNING **: AT_SPI_REGISTRY was not started at
session startup.
>
** (process:24863) : WARNING **: Could not locate registry
location: /usr/lib/xulrunner-1.9.0.1/libxpcom.so
before 3
/usr/lib/python2.5/doc/tools/listmodules.py: 99: Warning: cannot
register existing type `GtkSourceStyle Scheme'
__import__(m)
/usr/lib/python2.5/doc/tools/listmodules.py: 99: Warning:
g_type_set_qdat a: assertion `node != NULL' failed
__import__(m)
/usr/lib/python2.5/doc/tools/listmodules.py: 99: Warning: cannot
register existing type `GtkSourceBuffe r'
__import__(m)
/usr/lib/python2.5/doc/tools/listmodules.py: 99: Warning:
g_type_get_qdat a: assertion `node != NULL' failed
__import__(m)
Segmentation fault
>
Interesting, isn't it?

it does indeed import modules found in the path if they appear to be
Python C extensions. why Ubuntu puts badly written C modules in their
default Python path is more than I can tell...

</F>

[Anita Kean]

Re: List of modules available for import inside Python?

On 2008-09-10, denisbz@t-online.de <denisbz@t-online.dewrote:

(snip) ...
>
So to refine the question:
how can I list all modules that might be importable on my system,
without actually importing them all ?
>
(How about a "pydoc2" that's well thought out, doesn't crash ...
let me ask more knowledgable people, what's a good small help system
as model ?
)

I'm constantly finding myself wishing for this feature -
something of the "apropos"/"whatis" of the linux shell (and debian's
"apt-cache search" and "apt-cache show" which allow you to search
and query before you install).
(Matlab's "help" and "lookfor" commands cover this too.)

Is there a reason this type of information hasn't been made available
by default in the help system?
I'm constantly using find, grep and Usenet to find out what python tools
I can use.

Anita