[Tutor] Importing sub modules

Prasad, Ramit ramit.prasad at jpmchase.com
Thu Mar 31 23:11:50 CEST 2011

The joins are really just random calls. I was just curious if importing os.path could avoid any reading/overhead that might occur by importing os.


Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

-----Original Message-----
From: tutor-bounces+ramit.prasad=jpmchase.com at python.org [mailto:tutor-bounces+ramit.prasad=jpmchase.com at python.org] On Behalf Of Emile van Sebille
Sent: Thursday, March 31, 2011 3:17 PM
To: tutor at python.org
Subject: Re: [Tutor] Importing sub modules

On 3/31/2011 11:07 AM Prasad, Ramit said...
> Hi everyone,
> I was wondering if there is a difference in
>>>> import os
>>>> os.path.join(string1,string2)
>>>> import os.path
>>>> os.path.join(string1,string2)

A quick test shows they're the same:

ActivePython (ActiveState Software Inc.) based on
Python 2.6.6 (r266:84292, Aug 24 2010, 16:01:11) [MSC v.1500 32 bit 
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
 >>> import os as os1
 >>> import os.path
 >>> os1.path is os.path

Although I'm not sure what to make of the joins  What are you trying to do?


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