[Python-Dev] New to python, let me know if i should be posting somewhere else

Steve Holden steve at holdenweb.com
Tue Aug 5 17:34:45 CEST 2008

jamesz wrote:
> Hi,
> I am new to Python, so this question that is probably blindingly obvious to
> you all.
> If I have 2 classes that references each other (a circular reference of some
> sort) 
> and both class are defined in the single file in the order shown. 
> class Resume(db.Model):
> 	file_data = db.BlobProperty()
> 	candidate = db.ReferenceProperty(Candidate)
> class Candidate(db.Model):
> 	first_name = db.StringProperty()
> 	last_name = db.StringProperty()
> 	latest_resume = db.ReferenceProperty(Resume)
> the Resume class does not know about the Candidate class as this 
> module is imported, so it throws a error. Is there any way to get around
> this problem?

This list (python-dev) is for the development *of* Python, not 
development *with* Python. If you ask your question on comp.lang.python 
(python-list at python.org) you will almost certainly receive an answer.

Steve Holden        +1 571 484 6266   +1 800 494 3119
Holden Web LLC              http://www.holdenweb.com/

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