Python论坛的帖子：

Tue Aug 10 20:42:24 HKT 2004

hoxide,您好！

	python在nokia手机上已经可以使用了，好像是600系列还是哪个系列的，不过国内还没有出现！

======= 2004-08-10 16:40:49 您在来信中写道：=======

>gentoo.cn,您好！
>
>	如果把python嵌入到便携设备,比如手机之类的,可能就需要严格控制内存了.
>好像有人在做这个,或者是用jython吧.我不太清楚.另外用python做deamon也很需要严格监控内存.
>
>======= 2004-08-10 16:38:23 您在来信中写道：=======
>
>>一般来说，使用python, java这样有gc的程序时不用关心内存分配（memory killer)
>>但是，有的应用场合可能你需要关心object的大小
>>比如：类似于Zope这样的Object容器里的Cache, 太大的Object不要放到Cache里来
>>
>>抑或，有个叫pythonOS的东东里可能也需要哦。
>>
>>limodou wrote:
>>
>>>Zoom.Quiet,您好！
>>>
>>>	也不至于要细到要知道内存大小。
>>>
>>>======= 2004-08-10 15:54:28 您在来信中写道：=======
>>>
>>>  
>>>
>>>>Hollo limodou:
>>>>
>>>> 不能说不关心哪？！
>>>>Python 在嵌入设置中也有移植的！性能的追求是一切语言不能忽略的是也乎，不过 Python 以另外的方式来完成，当然也有提高的余地，有忐者可以开始探险哪！？
>>>>
>>>>
>>>>/******** [2004-08-10]15:52:50 ; limodou wrote:
>>>>
>>>>limodou> tocer,您好！
>>>>
>>>>limodou> 	因为使用Python根本不关心这个。不要总把C/C++里的概念在Python中使用，因为它们根本就不一样。
>>>>
>>>>limodou> ======= 2004-08-10 15:33:00 您在来信中写道：=======
>>>>
>>>>    
>>>>
>>>>>>没想到这么难解决
>>>>>>
>>>>>>----- Original Message ----- 
>>>>>>From: "gentoo.cn" <gentoo.cn at 126.com>
>>>>>>To: <python-chinese at lists.python.cn>
>>>>>>Sent: Tuesday, August 10, 2004 12:53 PM
>>>>>>Subject: Re: [python-chinese] 如何测量一个变量或者常量在内存中的大小
>>>>>>
>>>>>>
>>>>>>        
>>>>>>
>>>>>>>找到一个相关的讨论
>>>>>>>http://www.egenix.com/mailman-archives/egenix-users/2002-November/000156.html
>>>>>>>
>>>>>>>gentoo.cn wrote:
>>>>>>>
>>>>>>>          
>>>>>>>
>>>>>>>>我的意思是：是不是可以通过计算一个Object的Struct来猜测这个Object的大小？
>>>>>>>>比如c='a', string="abcd"
>>>>>>>>那么c的类型是1c, string的类型是4c
>>>>>>>>calcsize('c')=1
>>>>>>>>calcsize('L')=4
>>>>>>>>也就是说一个数值型的对象占用4Bytes内存空间，一个字符型对象占用1Bytes内存
>>>>>>>>空间？
>>>>>>>>对于string="abcd"这个对象，类型是4c所以占用4Bytes内存空间？
>>>>>>>>不知道Python如何考虑对齐的（也许他最小的单位是1Bytes所以都是8bit的倍数，
>>>>>>>>这样就对齐了？）
>>>>>>>>
>>>>>>>>大家都来讨论讨论啊。
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>limodou wrote:
>>>>>>>>
>>>>>>>> 
>>>>>>>>
>>>>>>>>            
>>>>>>>>
>>>>>>>>>gentoo.cn,您好！
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>              
>>>>>>>>>
>>>>>>>那个不是内存的大小吧。而是对应的struct的大小。因为在python中都是对象，而不仅仅是数据结构。不知道:你想知道内存大小有什么用？
>>>>>>>          
>>>>>>>
>>>>>>>>>======= 2004-08-10 11:05:42 您在来信中写道：=======
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>   
>>>>>>>>>
>>>>>>>>>              
>>>>>>>>>
>>>>>>>>>>import struct
>>>>>>>>>>struct.pack
>>>>>>>>>>struct.calcsize ?
>>>>>>>>>>
>>>>>>>>>>难道使用这个方法吗？
>>>>>>>>>>我也想知道有什么方法来计算对象的size
>>>>>>>>>>
>>>>>>>>>>*calcsize*( fmt)
>>>>>>>>>>
>>>>>>>>>> Return the size of the struct (and hence of the string)
>>>>>>>>>> corresponding to the given format. 
>>>>>>>>>>
>>>>>>>>>>Format characters have the following meaning; the conversion between C
>>>>>>>>>>and Python values should be obvious given their types:
>>>>>>>>>>
>>>>>>>>>>*Format* *C Type* *Python* *Notes*
>>>>>>>>>>x pad byte no value 
>>>>>>>>>>c char string of length 1 
>>>>>>>>>>b signed char integer 
>>>>>>>>>>B unsigned char integer 
>>>>>>>>>>h short integer 
>>>>>>>>>>H unsigned short integer 
>>>>>>>>>>i int integer 
>>>>>>>>>>I unsigned int long 
>>>>>>>>>>l long integer 
>>>>>>>>>>L unsigned long long 
>>>>>>>>>>q long long long (1)
>>>>>>>>>>Q unsigned long long long (1)
>>>>>>>>>>f float float 
>>>>>>>>>>d double float 
>>>>>>>>>>s char[] string 
>>>>>>>>>>p char[] string 
>>>>>>>>>>P void * integer 
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>tocer wrote:
>>>>>>>>>>
>>>>>>>>>>  
>>>>>>>>>>
>>>>>>>>>>     
>>>>>>>>>>
>>>>>>>>>>                
>>>>>>>>>>
>>>>>>>>>>>比如：
>>>>>>>>>>>a=[1,2,3]
>>>>>>>>>>>测试 a 在内存中的所占的字节数
>>>>>>>>>>>
>>>>>>>>>>>------------------------------------------------------------------------
>>>>>>>>>>>
>>>>>>>>>>>_______________________________________________
>>>>>>>>>>>python-chinese list
>>>>>>>>>>>python-chinese at lists.python.cn
>>>>>>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>    
>>>>>>>>>>>
>>>>>>>>>>>       
>>>>>>>>>>>
>>>>>>>>>>>                  
>>>>>>>>>>>
>>>>>>>>>>_______________________________________________
>>>>>>>>>>python-chinese list
>>>>>>>>>>python-chinese at lists.python.cn
>>>>>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>>>>>
>>>>>>>>>>  
>>>>>>>>>>
>>>>>>>>>>     
>>>>>>>>>>
>>>>>>>>>>                
>>>>>>>>>>
>>>>>>>>>= = = = = = = = = = = = = = = = = = = =
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>　　　　　　　　致
>>>>>>>>>礼！
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>　　　　　　　　limodou
>>>>>>>>>　　　　　　　　chatme at 263.net
>>>>>>>>>　　　　　　　　　　2004-08-10
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>------------------------------------------------------------------------
>>>>>>>>>
>>>>>>>>>_______________________________________________
>>>>>>>>>python-chinese list
>>>>>>>>>python-chinese at lists.python.cn
>>>>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>   
>>>>>>>>>
>>>>>>>>>              
>>>>>>>>>
>>>>>>>>_______________________________________________
>>>>>>>>python-chinese list
>>>>>>>>python-chinese at lists.python.cn
>>>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>>>
>>>>>>>>
>>>>>>>> 
>>>>>>>>
>>>>>>>>            
>>>>>>>>
>>>>>>>_______________________________________________
>>>>>>>python-chinese list
>>>>>>>python-chinese at lists.python.cn
>>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>>_______________________________________________
>>>>>>>          
>>>>>>>
>>>>>>python-chinese list
>>>>>>python-chinese at lists.python.cn
>>>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>>>
>>>>>>        
>>>>>>
>>>>limodou> = = = = = = = = = = = = = = = = = = = =
>>>>			
>>>>
>>>>limodou> 　　　　　　　　致
>>>>limodou> 礼！
>>>>
>>>>				 
>>>>limodou> 　　　　　　　　limodou
>>>>limodou> 　　　　　　　　chatme at 263.net
>>>>limodou> 　　　　　　　　　　2004-08-10
>>>>
>>>>
>>>>
>>>>********************************************/
>>>>
>>>>-- 
>>>>Free as in Freedom
>>>>
>>>>Zoom.Quiet                           
>>>>
>>>>#=========================================#
>>>>]Time is unimportant, only life important![
>>>>#=========================================#
>>>>
>>>>sender is the Bat!2.12.00
>>>>
>>>>_______________________________________________
>>>>python-chinese list
>>>>python-chinese at lists.python.cn
>>>>http://python.cn/mailman/listinfo/python-chinese
>>>>
>>>>    
>>>>
>>>
>>>= = = = = = = = = = = = = = = = = = = =
>>>			
>>>
>>>　　　　　　　　致
>>>礼！
>>> 
>>>				 
>>>　　　　　　　　limodou
>>>　　　　　　　　chatme at 263.net
>>>　　　　　　　　　　2004-08-10
>>>
>>>  
>>>
>>>------------------------------------------------------------------------
>>>
>>>_______________________________________________
>>>python-chinese list
>>>python-chinese at lists.python.cn
>>>http://python.cn/mailman/listinfo/python-chinese
>>>  
>>>
>>
>>_______________________________________________
>>python-chinese list
>>python-chinese at lists.python.cn
>>http://python.cn/mailman/listinfo/python-chinese
>
>= = = = = = = = = = = = = = = = = = = =
>			
>
>　　　　　　　　致
>礼！
> 
>				 
>　　　　　　　　hoxide
>　　　　　　　　hoxide_dirac at yahoo.com.cn
>　　　　　　　　　　2004-08-10
>
>_______________________________________________
>python-chinese list
>python-chinese at lists.python.cn
>http://python.cn/mailman/listinfo/python-chinese
>

= = = = = = = = = = = = = = = = = = = =
			

　　　　　　　　致
礼！
 
				 
　　　　　　　　小东
　　　　　　　　leejd at 263.net
　　　　　　　　　　2004-08-10

标题：Re: Re: Re: [python-chinese] 如何测量一个变量或者常量在内存中的大小