✨ Use Pydantic for parameter validation - #1831

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svlandeg wants to merge 143 commits into

fastapi:masterfrom

svlandeg:feat/pydantic

Commits on Jun 9, 2026

add pydantic as requirement
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9b6081d
use TypeAdapter for int and float validation
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b54b308
Range adaptor and Pydantic error messages
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c8640ae
UUID adapter
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10746de
DateTime adapter
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394e7f2
Choice adapter
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27f5880
introduce PydanticParamType
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570d2be

Commits on Jun 10, 2026

build_type_adapter
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c8f6dff
consolidate enum validation
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15a0e9a
type adapter for bool parsing
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94cf21b
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d0fe927
fix types
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b749fc2
param_type_from_annotation in new module param_types
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48ff1f4
move str and File to new module
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e0fd56d
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5eb5ade
clean up converter code
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4495762
remove support for click_type and open bounds
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31432df
datetime factory
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eaa68dd
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a0e429e
move min/max info into TyperOption and TyperArgument and clamp using AfterValidator
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b79b401
Merge branch 'feat/pydantic' of https://github.com/svlandeg/typer into feat/pydantic
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58bb823
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3953649
repr cleanup
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943b335

Commits on Jun 11, 2026

Commits on Jun 12, 2026

resolve_param_type instead of convert_type
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4332d34
fix type
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43f71ad
fix import
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d6bc20d
few more test cases for default type inference
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fdf2973
move FuncParamType
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0336edf

Commits on Jun 14, 2026

Commits on Jun 15, 2026

some cleanup and refactor
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4972630
cleanup inline imports
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9d97184
TyperTuple into param_types
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bab9056
ChoiceRuntimeParam
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0809456
ChoiceRuntimeParam
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80495f9
clean up ParamType methods and introduce TyperParameter
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199b28b

Commits on Jun 16, 2026

Merge branch 'master' into feat/pydantic
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39a2c15
refactors and simplifications
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78a1c37
fix test
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cfccba8
some more cleanup in RuntimeParam/DeclaredParam/Parameter
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9a9bee7
remove ParamType's repr functionality
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b7531f5
consolidate metavar functionality and discard the short-lived DisplayParamType
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f98d311

Commits on Jun 17, 2026

Commits on Jun 18, 2026

clean out param_types and move metavar functions to TyperParameter
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3b3459a
fix fixture and isolate temp dir
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0264bca

Commits on Jun 19, 2026

clean up default inference
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de4e031
PassThroughRuntimeParam instead of falling back to str
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0c8b6a8
small refactors for diff readability
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042d16c

Commits on Jun 22, 2026

Merge branch 'master' into feat/pydantic
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8600249
formatting
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b448af6
remove intermediate layer DeclaredParam
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0bf9b2f
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9d778d4
TypeDescriptor to solidify type coercion
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66f57a8
Merge remote-tracking branch 'origin/feat/pydantic' into feat/pydantic
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f462dab
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65dd995

Commits on Jun 23, 2026

remove unnecessary helper functions
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68c3a7f
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9c08b7c
fix types
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0a0365a
Merge branch 'feat/pydantic' of https://github.com/svlandeg/typer into feat/pydantic
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a1e10b6
fix types (again)
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1f058cc
keep fixing types
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07c724a
remove _click/types and ParamType entirely
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291e4e9

Commits on Jun 24, 2026

Commits on Jun 26, 2026

Merge branch 'master' into feat/pydantic
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3948629
fix metavar type display
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53a6cf0
solidify metavar printing (part 1: brackets)
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166b22d
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part 2 of metavar printing: use {} to denote arg/opt names otherwise not between brackets
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e7e8432
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27c7840

Commits on Jul 7, 2026

Merge branch 'master' into feat/pydantic
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ddb56ab

Commits on Jul 13, 2026

Merge branch 'master' into feat/pydantic
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fec0f18
Merge branch 'master' into feat/pydantic
svlandeg
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d89af29

Commits on Jul 22, 2026

Merge branch 'master' into feat/pydantic
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37cceb3
update test
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7238ead
remove brackets around listed arguments
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2dcdfbc
ensure [path] isn't seen as markup
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57ffbfa
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29a701d
ensure that tuple of None's isn't shown
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7d95987
Merge branch 'feat/pydantic' of https://github.com/svlandeg/typer into feat/pydantic
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fb2105a
fix duplicate test
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c4748ae

Commits on Jul 27, 2026

Merge branch 'master' into feat/pydantic
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414f731
fix coverage, part 1
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d478060
separate argv encoding fallback test
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6348dbd
clean up test file
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46368b0
add textwrap test
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414db34
overriden Parameter functionality becomes abstract
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ada5f42
add few more pragma no covers
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68add06
ensure coverage of adapters.py is 100%
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f75de3b
cleanup of coercion.py and ensure coverage is 100%
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8c85806
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9ee3a81

Commits on Jul 28, 2026

Merge branch 'master' into feat/pydantic
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0186fb7
cleanup of TyperArgument and fix coverage of core.py
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911d322
fix function definition
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3aa6688
fix coverage of param_types.py
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d827982
add pragma no cover
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26de425
remove ty ignore
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9b7dc36
make Parameter.name a str and never None
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c14bdb7
small refactors
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242162f
few more small refactors
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295d398
cleanup
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3bc114e
restore app_dir test
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a54a6bf
update tutorial for datetime formats
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e10bdd1
update test to check both formats
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57291df
update tutorial parts around types
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6bc055f
update tutorial around numbers and ranges
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4d2d02f
update tutorial around path types
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ebd2338
update uuid error msg
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aab9fef
add pydantic to listed requirements in the docs
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6b6855c
fix typo
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e505f99
restore bwd-compat behaviour of parsing path-like args as a Path (except for str typed)
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984c256
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e0c97d8
Any now falls through
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50b7bf0
remove Any test
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eff4309

Commits on Jul 29, 2026

explicit routes_to_path function to prevent duplicate code in separate places
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17792d4
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241854f
more path fixes
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16f4486
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da5e879
cover edge cases of heterogeneous tuples
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66b0f36
update tutorial for tuple display
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a978144
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9f41313
update tutorial to have None as default for a tuple
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eb0d6cc

Commits on Aug 3, 2026

cleanup of redundant elif branch
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1147576
fix datetime display
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697d064
consistently show types, also for arguments when Rich is disabled
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134a0f9
lazy definition of runtimeparam to avoid up-front cost
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c314f80
lazy load pydantic
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03e2ef2
Merge branch 'master' into feat/pydantic
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05760c7
enforce lazy loading of pydantic
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fff0cab
passthrough runtime coercion for bool flags to speed up --help
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552e929

Commits on Aug 4, 2026

test suite cleanup
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6702821
Merge branch 'master' into feat/pydantic
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fc7fb16