FW: FW: Python help group

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  • Leeds, Mark

    #1

    FW: FW: Python help group

    This is a follow up question
    To the previous question
    About sorting that
    I sent for my friend.





    -----Original Message-----
    From: Tan, Heap Ho
    Sent: Tuesday, March 22, 2005 2:06 PM
    To: Leeds, Mark
    Subject: RE: FW: Python help group

    How can you speed it? Does anyone know if pytable can take
    non-homogeneous objects type?


    -----Original Message-----
    From: Leeds, Mark
    Sent: Tuesday, March 22, 2005 1:39 PM
    To: Tan, Heap Ho
    Subject: FW: FW: Python help group



    -----Original Message-----
    From: Swaroop C H [mailto:swaroopc h@gmail.com]
    Sent: Tuesday, March 22, 2005 1:25 PM
    To: Leeds, Mark
    Cc: python-list@python.org
    Subject: Re: FW: Python help group

    On Tue, 22 Mar 2005 13:15:15 -0500, Leeds, Mark wrote:[color=blue]
    > I want to do a sort on a list of objects based on a similar attributes[/color]
    in[color=blue]
    > each object for example time of creation of this object. [/color]
    [color=blue][color=green][color=darkred]
    >>>
    >>> class Student:[/color][/color][/color]
    ... def __init__(self, name, age):
    ... self.name = name
    ... self.age = age
    ... [color=blue][color=green][color=darkred]
    >>>
    >>> students = [Student('John', 18), Student('Jill', 17)]
    >>> students.sort(l ambda x,y: cmp(x.age, y.age))
    >>> [student.name for student in students][/color][/color][/color]
    ['Jill', 'John'][color=blue][color=green][color=darkred]
    >>> [/color][/color][/color]

    See `help(list.sort )` for details.

    --
    Swaroop C H
    Blog: http://www.swaroopch.info
    Book: http://www.byteofpython.info
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