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Allow page_sidebar and page_navbar to take sidebars as unnamed args #942

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Allow page_sidebar and page_navbar to take sidebars as unnamed args #942

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0977e45
Allow page_sidebar and page_navbar to take sidebars as unnamed args
wch Dec 23, 2023
003c125
Better error messages for incorrect number of sidebars
wch Jan 3, 2024
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59 changes: 38 additions & 21 deletions shiny/ui/_page.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
tags,
)

from .._deprecated import warn_deprecated
from .._docstring import add_example
from .._namespaces import resolve_id_or_none
from ..types import MISSING, MISSING_TYPE, NavSetArg
Expand All @@ -41,7 +42,6 @@


def page_sidebar(
sidebar: Sidebar,
*args: TagChild | TagAttrs,
title: Optional[str | Tag | TagList] = None,
fillable: bool = True,
Expand All @@ -55,10 +55,8 @@ def page_sidebar(

Parameters
----------
sidebar
Content to display in the sidebar.
*args
UI elements.
UI elements. One of the elements must be a sidebar.
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Suggested change
UI elements. One of the elements must be a sidebar.
UI elements. One of the elements must be a :class:`shiny.ui.Sidebar`.

title
A title to display at the top of the page.
fillable
Expand All @@ -85,6 +83,19 @@ def page_sidebar(
if isinstance(title, str):
title = tags.h1(title, class_="bslib-page-title")

# Extract sidebar from args
sidebars = [x for x in args if isinstance(x, Sidebar)]
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Make both tuples right away (without having to convert from list)

Suggested change
sidebars = [x for x in args if isinstance(x, Sidebar)]
sidebars = (x for x in args if isinstance(x, Sidebar))
args = (x for x in args if not isinstance(x, Sidebar))

if len(sidebars) == 0:
raise ValueError(
"page_sidebar() requires one sidebar, but no sidebars were found in args. Use `ui.sidebar(...)` to create one."
)
elif len(sidebars) > 1:
raise ValueError(
"page_sidebar() requires exactly one sidebar, but more sidebars were found in args."
Comment on lines +90 to +94
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Suggested change
"page_sidebar() requires one sidebar, but no sidebars were found in args. Use `ui.sidebar(...)` to create one."
)
elif len(sidebars) > 1:
raise ValueError(
"page_sidebar() requires exactly one sidebar, but more sidebars were found in args."
"`page_sidebar()` requires one `Sidebar`, but no sidebars were found in `*args`. Use `ui.sidebar(...)` to create one."
)
elif len(sidebars) > 1:
raise ValueError(
"`page_sidebar()` requires exactly one `Sidebar`, but more sidebars were found in `*args`."

)
sidebar = sidebars[0]
args = tuple([x for x in args if x not in sidebars])
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Remove here. Update above.

Suggested change
args = tuple([x for x in args if x not in sidebars])


attrs, children = consolidate_attrs(*args, **kwargs)

return page_fillable(
Expand Down Expand Up @@ -137,7 +148,7 @@ def page_navbar(
Parameters
----------
*args
UI elements.
UI elements. One of these may be a :func:`~shiny.ui.sidebar` object.
title
The browser window title (defaults to the host URL of the page). Can also be set
as a side effect via :func:`~shiny.ui.panel_title`.
Expand All @@ -148,10 +159,11 @@ def page_navbar(
Choose a particular nav item to select by default value (should match its
``value``).
sidebar
A :func:`~shiny.ui.sidebar` component to display on every page.
Deprecated. If you want to add a sidebar, simply pass it as one of the
``*args``.
fillable
Whether or not the main content area should be considered a fillable
(i.e., flexbox) container.
Whether or not the main content area should be considered a fillable (i.e.,
flexbox) container.
fillable_mobile
Whether or not ``fillable`` should apply on mobile devices.
position
Expand All @@ -169,7 +181,8 @@ def page_navbar(
inverse
Either ``True`` for a light text color or ``False`` for a dark text color.
collapsible
``True`` to automatically collapse the elements into an expandable menu on mobile devices or narrow window widths.
``True`` to automatically collapse the elements into an expandable menu on
mobile devices or narrow window widths.
fluid
``True`` to use fluid layout; ``False`` to use fixed layout.
window_title
Expand All @@ -196,9 +209,22 @@ def page_navbar(
-------
See :func:`~shiny.ui.nav`.
"""
if sidebar is not None and not isinstance(sidebar, Sidebar):
raise TypeError(
"`sidebar=` is not a `Sidebar` instance. Use `ui.sidebar(...)` to create one."
if sidebar is None:
# Extract sidebar from args
sidebars = [x for x in args if isinstance(x, Sidebar)]
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Use tuple...

Suggested change
sidebars = [x for x in args if isinstance(x, Sidebar)]
sidebars = (x for x in args if isinstance(x, Sidebar))

if len(sidebars) == 1:
sidebar = sidebars[0]
args = tuple([x for x in args if x not in sidebars])
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@schloerke schloerke Jan 3, 2024 •
edited
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Suggested change
args = tuple([x for x in args if x not in sidebars])
args = (x for x in args if not isinstance(x, Sidebar))

elif len(sidebars) > 1:
raise ValueError(
"page_navbar() can have up to one sidebar, but more sidebars were found in args."
)

else:
# Deprecated after Shiny 0.6.1
warn_deprecated(
"The `sidebar` argument to `page_navbar()` is deprecated. Instead of using "
"`sidebar=...`, just pass the sidebar object as an unnamed argument."
)

pageClass = "bslib-page-navbar"
Expand Down Expand Up @@ -522,12 +548,7 @@ def page_auto(
elif nSidebars == 1:
if not isinstance(fillable, MISSING_TYPE):
kwargs["fillable"] = fillable

# page_sidebar() needs sidebar to be the first arg
# TODO: Change page_sidebar() to remove `sidebar` and accept a sidebar as a
# *arg.
page_fn = page_sidebar # pyright: ignore[reportGeneralTypeIssues]
args = tuple(sidebars + [x for x in args if x not in sidebars])

else:
raise NotImplementedError(
Expand All @@ -544,11 +565,7 @@ def page_auto(
page_fn = page_navbar # pyright: ignore[reportGeneralTypeIssues]

elif nSidebars == 1:
# TODO: change page_navbar() to remove `sidebar` and accept a sidebar as a
# *arg.
page_fn = page_navbar # pyright: ignore[reportGeneralTypeIssues]
args = tuple([x for x in args if x not in sidebars])
kwargs["sidebar"] = sidebars[0]

else:
raise NotImplementedError(
Expand Down
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