Python中的静态类型 [英] Static Typing in Python
问题描述
如何在Python中强制静态输入?
-Premshree Pillai
=====
-Premshree
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How do I force static typing in Python?
-Premshree Pillai
=====
-Premshree
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推荐答案
" Premshree Pillai" < PR ************** @ yahoo.co.in>在留言中写道
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"Premshree Pillai" <pr**************@yahoo.co.in> wrote in message
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如何在Python中强制静态输入?
使用其他语言。试试Java。
John Roth
-Premshree Pillai
=====
-Premshree
How do I force static typing in Python?
By using another language. Try Java.
John Roth
-Premshree Pillai
=====
-Premshree
>
Premshree Pillai schrieb:
Premshree Pillai schrieb:
如何在Python中强制静态输入?
How do I force static typing in Python?
你必须通过代码而不是声明强制执行它,即你必须进行运行时类型检查。这可以通过例如完成。
a类:
class doesTypeChecking:
def __init__self():
aString =" ;"
aFloat = 0.0
def __setAttr __(self,attr,value):
如果是type(self .__ dict__) [attr]!= type(value):
引发ValueError,类型不匹配属性%s \ n%attr
类似代码可以用于检查函数的参数/
方法。
看过pychecker?它不是python的一部分
分发,但它可以帮到这里。
Mit freundlichen Gruessen,
Peter Maas
-
-------------------------------------- -----------------------------
Peter Maas,M + R Infosysteme,D-52070 Aachen, Hubert-Wienen-Str.24
电话+ 49-241-93878-0传真+ 49-241-93878-20电子邮件 pe ******** @ mplusr.de
------------------- -------------------- ----------------------------
You have to enforce it by code instead of declaration, i.e. you
have to do runtime type checking. This could be done e.g. within
a class:
class doesTypeChecking:
def __init__self():
aString = ""
aFloat = 0.0
def __setAttr__(self, attr, value):
if type(self.__dict__[attr] != type(value):
raise ValueError, "Type mismatch for attribute %s\n" % attr
Similar code could be used to check parameters of a function/
method.
Have looked at pychecker? It''s not part of the python
distribution but it could help here.
Mit freundlichen Gruessen,
Peter Maas
--
-------------------------------------------------------------------
Peter Maas, M+R Infosysteme, D-52070 Aachen, Hubert-Wienen-Str. 24
Tel +49-241-93878-0 Fax +49-241-93878-20 eMail pe********@mplusr.de
-------------------------------------------------------------------
Peter Maas schrieb:
Peter Maas schrieb:
class doesTypeChecking:
def __init__self():
class doesTypeChecking:
def __init__self():
更正:
def __init __(self):
-
----------------------------- --------------------------------------
Peter Maas,M + R Infosysteme,D-52070 Aachen,Hubert-Wienen-Str。 24
电话+ 49-241-93878-0传真+ 49-241-93878-20电子邮件 pe********@mplusr.de
------------------------- ------------------------------------------
Correction:
def __init__(self):
--
-------------------------------------------------------------------
Peter Maas, M+R Infosysteme, D-52070 Aachen, Hubert-Wienen-Str. 24
Tel +49-241-93878-0 Fax +49-241-93878-20 eMail pe********@mplusr.de
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