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primal100
50fd2c5b48
* Added validators for dataclass, fix #415 * Added dataclass validators * Added dataclass validators * Updated docs for added validating to dataclass * Updated docs for added validating to dataclass * Fixed line endings * Set __validators__ type to Mapping instead of Dict * Update History * Use __mro__ instead of __bases__ for gather_validators * Fix PR number * Fix issue.rst header underline * Fix HISTORY.rst merge conflict * Fix utils.py merge conflict * fix utils.py * Rebase and other fixes * Fix rebase and other issues * Change history * Remove unnecessary lines in main.py * Rebase * Update history * Rename ModelType to ModelOrDc * Added inheritance replace test * More consiste dataclass validator tests * fix history. * Remove Optional ModelOrDc Type * Fix ModelOrDc
20 lines
469 B
Python
20 lines
469 B
Python
from datetime import datetime
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from pydantic import validator
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from pydantic.dataclasses import dataclass
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@dataclass
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class DemoDataclass:
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ts: datetime = None
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@validator('ts', pre=True, always=True)
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def set_ts_now(cls, v):
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return v or datetime.now()
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print(DemoDataclass())
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# > DemoDataclass(ts=datetime.datetime(2019, 4, 2, 18, 1, 46, 66149))
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print(DemoDataclass(ts='2017-11-08T14:00'))
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# > DemoDataclass ts=datetime.datetime(2017, 11, 8, 14, 0) |