Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
849 views
in Technique[技术] by (71.8m points)

google app engine - Dynamic Finders and Method Missing in Python

I'm trying to implement something like Rails dynamic-finders in Python (for webapp/GAE). The dynamic finders work like this:

  • Your Person has some fields: name, age and email.
  • Suppose you want to find all the users whose name is "Robot".

The Person class has a method called "find_by_name" that receives the name and returns the result of the query:

 @classmethod
 def find_by_name(cls, name):
    return Person.gql("WHERE name = :1", name).get()

Instead of having to write a method like that for each attribute, I'd like to have something like Ruby's method_missing that allows me to do it.

So far I've seen these 2 blog posts: http://blog.iffy.us/?p=43 and http://www.whatspop.com/blog/2008/08/method-missing-in-python.cfm but I'd like to hear what's the "most appropiate" way of doing it.

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)
Waitting for answers

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...