reduce python list of objects to dict object.id -> object

Posted by Dmitry Teslenko on Stack Overflow See other posts from Stack Overflow or by Dmitry Teslenko
Published on 2010-06-18T14:03:08Z Indexed on 2010/06/18 14:13 UTC
Read the original article Hit count: 216

Filed under:

python

|

lambda

|

dict

Hello! You have list of objects each of them have id property. Here's my way to covert it to dict where keys are ids and values are objects:

reduce(
  lambda x,y: dict(x.items() + { y.id : y}.items()),
  list,
  {}
)

Suggest better way to do it.

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