Add new signature introspection and cloning functions.

Review Request #9603 — Created Feb. 8, 2018 and submitted

Information

Django Evolution
master
e20fe74...

Reviewers

This change introduces new functions for the new signature classes,
providing helpers for fetching child signatures, defaults and values for
fields, and to clone whole signature trees. These will be used in
upcoming diffing and mutation changes.

There's also some normalization for the unique_together and
index_together fields, ensuring we're working with data in a
consistent way.

Unit tests pass for all Django versions and for Python 2 and 3.

david
  1. Ship It!

  2. 
      
chipx86
david
  1. Ship It!
  2. 
      
chipx86
Review request changed

Status: Closed (submitted)

Change Summary:

Pushed to master (7292ba7)
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