[IronPython] [python] [IronPythonStudio] NamespaceClassesandAssembly Files

Michael Foord fuzzyman at voidspace.org.uk
Wed Jan 30 14:39:34 PST 2008


Pigneri, Rocco wrote:
> Ah.  In that case, I would strongly urge that the namespace class
> functionality of IPS be removed so that developers don't have to keep
> tip-toeing around that issue.  Unless there is another way of using
> classes in Python that I'm not aware of.
>   
I strongly suspect it is the consequence of the CodeDOM provider that 
produces similarly structured code whatever the target language. I'm 
sure there *must* be some way to rectify this for IronPython though as 
those namespace classes are worse than useless.

Michael

> Thank you,
>
> Rocco 
>
> -----Original Message-----
> From: users-bounces at lists.ironpython.com
> [mailto:users-bounces at lists.ironpython.com] On Behalf Of Curt
> Hagenlocher
> Sent: Wednesday, January 30, 2008 2:13 PM
> To: Discussion of IronPython
> Subject: Re: [IronPython] [python] [IronPythonStudio]
> NamespaceClassesandAssembly Files
>
> On Jan 30, 2008 10:29 AM, Pigneri, Rocco <rpigneri at lavastorm.com> wrote:
>   
>> It sounds like instead, I need to do this:
>>
>> import FormOne
>> import FormTwo
>>
>> f  = FormOne.Forms.FormOne()
>> f2 = FormTWo.Forms.FormTwo()
>>
>> Is this correct?
>>     
>
> Exactly.
>
> When you said "from FormOne import *", you introduced the symbol "Forms"
> into the current namespace with the value of "FormOne.Forms".
> When you then said "from FormTwo import *", you replaced the symbol
> "Forms" with the value of "FormTwo.Forms".
>
> As you suggest, Python's "import" statement is not like the C# "using"
> statement.  A Pythonic import will introduce new symbols into the local
> namespace at run time.  The C# using statement is simply a directive to
> the compiler to tell it which namespaces to search in for symbols that
> are otherwise undefined in the local scope.  It literally does not emit
> any IL code that is executed at runtime.
>
> --
> Curt Hagenlocher
> curt at hagenlocher.org
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