Computed fields

[samuelcolvin]

Most requested pydantic feature pydantic/pydantic#935

todo:

• error handling - especially JSON
• include exclude

[codspeed-hq]

CodSpeed Performance Report

Merging #547 computed-fields (9c03a5c) will not alter performances.

Summary

🔥 0 improvements
❌ 0 regressions
✅ 97 untouched benchmarks

🆕 16 new benchmarks
⁉️ 8 dropped benchmarks

Benchmarks breakdown

	Benchmark	main	computed-fields	Change
🆕	test_validate_literal[python-few_ints]	N/A	15.8 µs	N/A
🆕	test_validate_literal[python-few_small_strings]	N/A	16.1 µs	N/A
🆕	test_validate_literal[python-few_large_strings]	N/A	16.1 µs	N/A
🆕	test_validate_literal[python-few_str_enum]	N/A	17.9 µs	N/A
🆕	test_validate_literal[python-many_ints]	N/A	15.8 µs	N/A
🆕	test_validate_literal[python-many_small_strings]	N/A	16.1 µs	N/A
🆕	test_validate_literal[python-many_large_strings]	N/A	16.2 µs	N/A
🆕	test_validate_literal[python-few_mixed]	N/A	17.9 µs	N/A
🆕	test_validate_literal[json-few_ints]	N/A	17.9 µs	N/A
🆕	test_validate_literal[json-few_small_strings]	N/A	22.5 µs	N/A
🆕	test_validate_literal[json-few_large_strings]	N/A	23.8 µs	N/A
🆕	test_validate_literal[json-few_str_enum]	N/A	25.5 µs	N/A
🆕	test_validate_literal[json-many_ints]	N/A	17.9 µs	N/A
🆕	test_validate_literal[json-many_small_strings]	N/A	22.5 µs	N/A
🆕	test_validate_literal[json-many_large_strings]	N/A	23.9 µs	N/A
🆕	test_validate_literal[json-few_mixed]	N/A	20 µs	N/A
⁉️	test_validate_literal[few_ints]	16 µs	N/A	N/A
⁉️	test_validate_literal[few_small_strings]	16.3 µs	N/A	N/A
⁉️	test_validate_literal[few_large_strings]	16.4 µs	N/A	N/A
⁉️	test_validate_literal[few_str_enum]	16.4 µs	N/A	N/A
⁉️	test_validate_literal[many_ints]	16 µs	N/A	N/A
⁉️	test_validate_literal[many_small_strings]	16.3 µs	N/A	N/A
⁉️	test_validate_literal[many_large_strings]	16.3 µs	N/A	N/A
⁉️	test_validate_literal[few_mixed]	34.3 µs	N/A	N/A

[codecov-commenter]

Codecov Report

Merging #547 (0b1859c) into main (2e2bd34) will increase coverage by 0.15%.
The diff coverage is 94.89%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #547      +/-   ##
==========================================
+ Coverage   93.99%   94.15%   +0.15%     
==========================================
  Files          94       95       +1     
  Lines       12841    12795      -46     
  Branches       24       24              
==========================================
- Hits        12070    12047      -23     
+ Misses        765      742      -23     
  Partials        6        6              

Impacted Files	Coverage Δ
src/serializers/mod.rs	98.87% <ø> (ø)
src/serializers/type_serializers/format.rs	93.33% <ø> (ø)
src/serializers/type_serializers/function.rs	95.68% <ø> (ø)
src/serializers/type_serializers/typed_dict.rs	94.80% <85.18%> (-0.59%)	⬇️
src/serializers/computed_fields.rs	96.96% <96.96%> (ø)
pydantic_core/core_schema.py	96.86% <100.00%> (+0.03%)	⬆️
src/serializers/type_serializers/dataclass.rs	100.00% <100.00%> (ø)

... and 6 files with indirect coverage changes

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