check ModelField().validate_always when inheriting #1545
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@@ Coverage Diff @@
## master #1545 +/- ##
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- Coverage 100.00% 99.94% -0.06%
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Files 21 21
Lines 3772 3803 +31
Branches 749 756 +7
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+ Hits 3772 3801 +29
- Misses 0 1 +1
- Partials 0 1 +1
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Please use a descriptive title on the PR. |
dcHHH
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This is my first PR. Sorry for the inconvenience I made. And the Change Summary of this PR is the reply to #1155 (comment) |
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Looks good, please can you add a change file describing this change. |
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fix pydantic#1155 * fix issure pydantic#1155 * add changes.1545-dcHHH.md * improve change description Co-authored-by: dchhh <hudacong@geetest.com> Co-authored-by: Samuel Colvin <samcolvin@gmail.com>
sthagen
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Jun 29, 2020
* fix issure pydantic#1155 * add changes.1545-dcHHH.md * improve change description Co-authored-by: dchhh <hudacong@geetest.com> Co-authored-by: Samuel Colvin <samcolvin@gmail.com>
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Change Summary
Indeed, the bug is originated from the change main.py:169. The fields of C is a deepcopy of it's parent class, so C.value_b.validate_always = B.value_b.validate_always = False
https://github.com/samuelcolvin/pydantic/blob/1eeb225c67f1131f948c5f129f5c2e56a4c2c6b7/pydantic/main.py#L881-L883
So value_b is not validated. Just move the assignment of validate_always from self.prepare() to self.populate_validators(), then the bug is solved.
Related issue number
#1155
Checklist
changes/<pull request or issue id>-<github username>.mdfile added describing change(see changes/README.md for details)