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gh-126609: localize list, allow translation of a phrase, use ge operator character in the availability directive #129597

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gh-126609: localize list, allow translation of a phrase, use ge operator character in the availability directive #129597

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a2399c0
Docs: allow translation of a phrase in availability directive
m-aciek Feb 2, 2025
8de15ea
Use greater-than or equal-to character
m-aciek Feb 2, 2025
c9ee08d
Refactor: move helper function down
m-aciek Feb 2, 2025
88a9a9e
Fix type annotations
m-aciek Feb 2, 2025
e6fe49e
Use Babel's format_list()
m-aciek Feb 3, 2025
2cb41d9
Rename _print_platform() to _format_platform()
m-aciek Feb 3, 2025
f273e6e
Rename formatting function in a call
m-aciek Feb 3, 2025
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15 changes: 13 additions & 2 deletions Doc/tools/extensions/availability.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,10 @@

from __future__ import annotations

from itertools import starmap
from typing import TYPE_CHECKING

from babel.lists import format_list
from docutils import nodes
from sphinx import addnodes
from sphinx.locale import _ as sphinx_gettext
Expand Down Expand Up @@ -68,14 +70,15 @@ def run(self) -> list[nodes.container]:
refwarn=True,
)
sep = nodes.Text(": ")
parsed, msgs = self.state.inline_text(self.arguments[0], self.lineno)
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It is somewhat surprising that this doesn't work, as sphinx.util.nodes.extract_messages() should pick up the rawsource attributes -- we shouldn't need to parse & reparse.

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@m-aciek m-aciek Feb 3, 2025 •
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Even when I've added not WASI, not Android. translation string by hand, it wasn't picked up in the build process.

platforms = self.parse_platforms()
platforms_text = f"{format_list(list(starmap(_format_platform, platforms.items())), locale=self.config.language)}."
parsed, msgs = self.state.inline_text(platforms_text, self.lineno)
pnode = nodes.paragraph(title, "", refnode, sep, *parsed, *msgs)
self.set_source_info(pnode)
cnode = nodes.container("", pnode, classes=["availability"])
self.set_source_info(cnode)
if self.content:
self.state.nested_parse(self.content, self.content_offset, cnode)
self.parse_platforms()

return [cnode]

Expand Down Expand Up @@ -116,6 +119,14 @@ def parse_platforms(self) -> dict[str, str | bool]:
return platforms


def _format_platform(platform: str, version: str | bool) -> str:
if version is True:
return platform
if not version:
return sphinx_gettext("not {platform}").format(platform=platform)
return f"{platform} ≥ {version}"
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Suggested change
return f"{platform} ≥ {version}"
return f"{platform} >= {version}"

How well supported is "≥"? Does it render well in pdf outputs?

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epub
image

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@m-aciek m-aciek Feb 3, 2025 •
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@AA-Turner could you please advise, is there some direct way to recognize epub build in the directive code and fallback to >=? Or should I rather drop the UTF-8 character from here?

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I find no mention of using "≥" or ">=" for versions in the Google, Microsoft and Apple style guides, and they say to use words such as "Use version 2.2 or later" and not "Use version 2.2 or higher":

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I agree with @hugovk . This again will require translation.

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I will add that >= is currently used.

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@m-aciek m-aciek Feb 3, 2025 •
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I find Google's style guide contradictory 🤔

A release with the highest version number might not be the latest version. For example, if version 2.0 of an operating system receives a bug-fix update after version 3.0 has been released, then version 2.0.1 might be the latest version, even though its version number is lower than 3.0.

In this meaning we rather want to express "higher" than "later". And later they recommend higher in Android docs. I've filed a feedback to this section.

I agree that the written form may be easier to read than the symbolic one. Though ≥ seems to be inambiguous, contrary to “later”.

I will add that >= is currently used.

I wonder what should be the approach, if we decide to use "Linux 2.6.27 or later", should we rewrite also the availability directives content in .rsts? Or introduce a simplified "syntax", that will be rendered to "or later" from a ">=" specificator? That may be confusing to docs editors. (?)

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If we choose to use words, I'd rewrite the existing ">=" to avoid problems/confusion by automation changing things in unexpected ways.

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We discussed this in this month's docs workgroup meeting: let's keep the directives compact; they're not prose, and use the single symbol. The Unicode symbol was introduced in 1993, hopefully it renders well on near anything. If there's an issue with Unicode in some of the backends (such as man pages), we should fix that.

(Minutes will appear at https://docs-community.readthedocs.io/en/latest/monthly-meeting/index.html in the near future.)



def setup(app: Sphinx) -> ExtensionMetadata:
app.add_directive("availability", Availability)

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1 change: 1 addition & 0 deletions Doc/tools/templates/dummy.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
In extensions/availability.py:

{% trans %}Availability{% endtrans %}
{% trans %}not {platform}{% endtrans %}

In extensions/c_annotations.py:

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