On Nov 14, 3:51 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > Modules contain objects. When you want to import a specific set of > objects contained in a module into the local namespace, you use: > from <module> import <names to import> > For example: > from math import sqrt > from math import sin, cos > > If you want to import everything from a module, use: > from <module> import * > For example: > from math import * > > If you want to import a module as an entity itself, use: > import <module> > For example: > import math #Use, for example, math.sqrt to call the sqrt function > > You can also use import ... as ... to "rename" an imported object: > import math as m #Now use m.sqrt instead of math.sqrt > from math import sqrt as square_root #sqrt is now bound to > square_root in the local module > > In the array module, there is an object named array. You could access > using: > import array > array.array > or > from array import array > array > or > from array import array as foobar > foobar > or ... > The way you choose to actually do this is up to you. Most people just > decide what they like/makes the most sense. > > In the math module, there is no object called math. That is why we do > not use > >>> from math import math > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > ImportError: cannot import name math > > --Nathan Davis > > On Nov 13, 7:25 pm, "Gordon C" <[EMAIL PROTECTED]> wrote: > > > OK Steve, But why do we say "from array import array" and NOT "from math > > import math"? Why the difference in syntax? > > Gord > > > "Steven D'Aprano" <[EMAIL PROTECTED]> wrote in message > > >news:[EMAIL PROTECTED] > > > > On Tue, 13 Nov 2007 11:26:28 -0500, Gordon C wrote: > > > >> OK, thanks to all. The key statement is "from array import array" which > > >> is not exactly intuitive! > > > > "The only intuitive interface is the nipple. After that, it's all > > > learned." -- Bruce Ediger on user interfaces. > > > > Once you've been using Python for a while, using import becomes as > > > intuitive as a spoon. The only tricky part is knowing *which* module to > > > import. But, honestly, are you surprised to learn that the array type is > > > held in in the array module? > > > > -- > > > Steven.
Let me just say, that is a perfect reply! -- http://mail.python.org/mailman/listinfo/python-list
