[Sqlalchemy-tickets] Issue #3776: Validating a field multiple times with different @validates decorators is causing them to be skipped (zzzeek/sqlalchemy)

[cdnsteve <iss...@bi...>]

New issue 3776: Validating a field multiple times with different @validates decorators is causing them to be skipped
https://bitbucket.org/zzzeek/sqlalchemy/issues/3776/validating-a-field-multiple-times-with

cdnsteve:

If a field has multiple  @validates decorators it will not consistently validate each of them properly and cause subsequent @validates to be skipped.

Example: the second validator, validate_field_positive_number, will not get run.


```
#!python

    @validates('email')
    def validate_test_123(self, key, field):
        return field

    @validates('email')
    def validate_field_positive_number(self, key, field):
        if True:
            raise ValidationError('failed multiple validation')
        return field
```

If you run it the first time. Validation will pass.
If you remove/delete the validate_test_123 decorator and validation, the second one will always work.

Thanks,
Steve