List of modules available for import inside Python?

[clurker]

Michele Simionato wrote:

> On Aug 28, 6:21 am, ssecorp <circularf... at gmail.com> wrote:
>> Is there a way to view all the modules I have available for import
>> from within Python?
>> Like writing in the interpreter:
> 
> Try:
> 
>>>> help()
> help> modules
> Please wait a moment while I gather a list of all available modules...
> <snip>

This looks like it could be a useful tool, but when I try it
I get the following:

Please wait a moment while I gather a list of all available modules...

/usr/lib/python2.5/site-packages/reportlab/lib/PyFontify.py:35:
Warning: 'with' will become a reserved keyword in Python 2.6
/usr/lib/python2.5/site-packages/reportlab/lib/PyFontify.py:36:
Warning: 'with' will become a reserved keyword in Python 2.6
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.5/site.py", line 346, in __call__
    return pydoc.help(*args, **kwds)
  File "/usr/lib/python2.5/pydoc.py", line 1645, in __call__
    self.interact()
  File "/usr/lib/python2.5/pydoc.py", line 1663, in interact
    self.help(request)
  File "/usr/lib/python2.5/pydoc.py", line 1679, in help
    elif request == 'modules': self.listmodules()
  File "/usr/lib/python2.5/pydoc.py", line 1797, in listmodules
    ModuleScanner().run(callback)
  File "/usr/lib/python2.5/pydoc.py", line 1848, in run
    for importer, modname, ispkg in pkgutil.walk_packages():
  File "/usr/lib/python2.5/pkgutil.py", line 110, in walk_packages
    __import__(name)
  File "/usr/local/lib/python2.5/site-packages/PIL/__init__.py", line 1342,
in <module>

  File "/usr/local/lib/python2.5/site-packages/PIL/__init__.py", line 927,
in main

UnboundLocalError: local variable 'given_files' referenced before assignment
>>>  

which could be because I am fairly free and unrestrained when
it comes to installing stuff, and I see now I have modules
on both /usr/lib/python2.5 and /usr/local/lib/python2.5

Apparently python knows about them both, but I don't know I
haven't introduced an incompatibility somewhere...and that PIL
package showing up at the tail of the errors was one of my
more recent additions...

Any help will be appreciated,

sc