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Custom type hint doc formatting for TypeAlias, TypeVar #2645

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Custom type hint doc formatting for TypeAlias, TypeVar #2645

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59feb63
Custom type hint doc formatting for `TypeAlias`, `TypeVar`
rmartin16 Jun 13, 2024
b15df28
Link `IconContentT` type hint to its c:type doc :tada:
rmartin16 Jun 13, 2024
13a5556
Experiment with removing `TypeAlias`
rmartin16 Jun 17, 2024
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1 change: 1 addition & 0 deletions core/pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ docs = [
# Sphinx 2024.2.4 deprecated support for Python 3.8
"sphinx-autobuild == 2021.3.14 ; python_version < '3.9'",
"sphinx-autobuild == 2024.4.16 ; python_version >= '3.9'",
"sphinx-autodoc-typehints == 2.1.1",
"sphinx-csv-filter == 0.4.1",
"sphinx-copybutton == 0.5.2",
"sphinx-toolbox == 3.5.0",
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4 changes: 4 additions & 0 deletions core/src/toga/types.py
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Expand Up @@ -13,6 +13,10 @@

PositionT: TypeAlias = toga.Position | tuple[int, int]
SizeT: TypeAlias = toga.Size | tuple[int, int]
else:
# sphinx-autodoc-typehints errors when these are gated with TYPE_CHECKING...
PositionT = None
SizeT = None
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Any idea why it only affects PositionT and SizeT, and not any of the other type aliases?

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I didn't look in to it too far yet....but I think it could be related to the circular import



class LatLng(NamedTuple):
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21 changes: 21 additions & 0 deletions docs/conf.py
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Expand Up @@ -32,6 +32,7 @@
"sphinx_tabs.tabs",
"crate.sphinx.csv",
"sphinx_copybutton",
"sphinx_autodoc_typehints",
"sphinx_toolbox.more_autodoc.autonamedtuple",
"sphinx_toolbox.more_autodoc.autoprotocol",
"sphinx.ext.intersphinx",
Expand Down Expand Up @@ -372,3 +373,23 @@ def autodoc_process_signature(

# If this is True, todolist produce output without file path and line, The default is False.
# todo_link_only = False


# Disable WARNING: cannot cache unpickable configuration value: 'typehints_formatter'
suppress_warnings = ["config.cache"]

always_use_bars_union = True

from pathlib import Path # noqa: E402
from typing import Union # noqa: E402

import toga # noqa: E402


def typehints_formatter(annotation, config):
# print(f"({type(annotation)}) {str(annotation)=}")
if annotation == Union[str, Path, toga.Icon, None]:
return ":any:`IconContentT <IconContentT>`"
elif annotation == toga.widgets.base.StyleT:
return "``StyleT``"
return None
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