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getting object instead of string from dir()

Jean-Paul Calderone exarkun at divmod.com
Wed Dec 17 15:21:13 EST 2008 
On Wed, 17 Dec 2008 11:52:17 -0800 (PST), Rominsky <john.rominsky at gmail.com> wrote:
>On Dec 17, 10:59 am, Christian Heimes <li... at cheimes.de> wrote:
>> Rominsky schrieb:
>>
>> > I am trying to use dir to generate a list of methods, variables, etc.
>> > I would like to be able to go through the list and seperate the
>> > objects by type using the type() command, but the dir command returns
>> > a list of strings.  When I ask for the type of an element, the answer
>> > is always string.  How do I point at the variables themselves.  A
>> > quick example is:
>>
>> > a = 5
>> > b = 2.0
>> > c = 'c'
>>
>> > lst = dir()
>>
>> > for el in lst:
>> >     print type(el)
>>
>> for name, obj in vars().iteritems():
>>     print name, obj
>>
>> Christian
>
>I do have some understanding of the pythonic methodology of
>programming, though by far I still don't consider myself an expert.
>The problem at hand is that I am coming from a matlab world and trying
>to drag my coworkers with me.  I have gotten a lot of them excited
>about using python for this work, but the biggest gripe everytime is
>they want their matlab ide.  I am trying to experiment with making
>similar pieces of the ide, in particular I am working on the workspace
>window which lists all the current variables in the namespace, along
>with their type, size, value, etc....  I am trying to create a python
>equivalent.  I can get dir to list all the variables names in a list
>of strings, but I am trying to get more info them.  hence the desire
>to do a type command on them.  I like the locals and globals commands,
>but I am still trying to get more info.  I have started using the eval
>command with the strings, which is working, but I am curious if there
>is a better or more elegant way of getting the info.  The eval example
>would be something like:
>
>a = 5
>b = 2.0
>c = 'c'
>
>lst = dir()
>
>for el in lst:
>   print el + '\t' + str(eval('type(%s)'%el))
>
>It works, now I am curious if there is a better way.


What about this:

>> for name, obj in vars().iteritems():
>>     print name, obj
>>
>> Christian

Jean-Paul
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