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否则就不像解析型语言了啊， Python 不是 Java
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第一次执行的时候编译，其它时候就不用了么，不然也就没意义了，呵呵

在06-2-14，ONE_Fox <onefox.fox at gmail.com> 写道：
>
> 否则就不像解析型语言了啊， Python 不是 Java
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我奇怪的就是应该第一次执行它就编译才对。但是除非你将这个脚本当成模块导入，否则根本不生成pyc文件
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也许他们觉得只有当做模块使用的时候才有必要生成pyc ，客户代码经常需要变动

On 2/14/06, 魏忠 <weizhong2004 at gmail.com> wrote:
>
> 我奇怪的就是应该第一次执行它就编译才对。但是除非你将这个脚本当成模块导入，否则根本不生成pyc文件
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可是他们有检查源代码更新时间与 pyc文件更新时间的机制的（发现源代码更新时会重新生成pyc文件)。就这么着吧，先纳闷着
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第一次执行的时候也完成了编译的，不过编译的结果在内存中，没有写入到一个pyc文件。如果你需要第一次执行时就生成pyc文件，可以修改Python源代码实现。呵呵至于为什么这么做，只好mail给Guido了
：）

On 2/15/06, 魏忠 <weizhong2004 at gmail.com> wrote:
>
>
> 可是他们有检查源代码更新时间与 pyc文件更新时间的机制的（发现源代码更新时会重新生成pyc文件)。就这么着吧，先纳闷着
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Robert Chen wrote:
> 第一次执行的时候也完成了编译的，不过编译的结果在内存中，没有写入到一个
> pyc文件。如果你需要第一次执行时就生成pyc文件，可以修改Python源代码实现。
> 呵呵至于为什么这么做，只好mail给Guido了 ：）

因为没有人想/bin和/sbin下布满了pyc文件吧，呵呵

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这个解释有点牵强了吧……


Qiangning Hong wrote:
>
> 因为没有人想/bin和/sbin下布满了pyc文件吧，呵呵
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在导入一个模块的时候，Python会检查模块的版本，也就是如果修改过模块的代码，Python会自动重新编译代码，生成pyc字节码
  ----- Original Message ----- 
  From: 魏忠 
  To: python-chinese at lists.python.cn 
  Sent: Tuesday, February 14, 2006 12:22 PM
  Subject: [python-chinese] 我有一个问题，生成pyc既然有诸多好处，那为什么仅在将脚本当成一个模块导入时才会生成pyc文件呢？




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