[PonyORM-list] Pony ORM Release 0.7.1

Alexey Malashkevich alexeymalashkevich at gmail.com
Tue Jan 10 15:20:15 UTC 2017

Hi all,

This release brings Python 3.6 support and has some bugfixes.

Here is the list of changes:

- Fixed #216: decompiler fixes for Python 3.6
- Fixed #203: subtranslator should use argnames from parent translator
- Change a way aliases in SQL query are generated in order to fix a problem
when a subquery alias masks a base query alias
- Volatile attribute bug fixed
- Fix creation of self-referenced foreign keys – before this Pony didn’t
create the foreign key for self-referenced attributes
- Bug fixed: when required attribute is empty the loading from the database
shouldn’t raise the validation error. Now Pony raises the warning
- New warning DatabaseContainsIncorrectEmptyValue added, it is raised when
the required attribute is empty during loading an entity from the database
- Throw an error with more clear explanation when a list comprehension is
used inside a query instead of a generator expression:
“Use generator expression (… for … in …) instead of list comprehension
[… for … in …] inside query”

To install the updated version use the following command:

pip install --upgrade pony

Pony ORM Team
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