From b88a845aa52d230f0b4adb26b948e358a50099bb Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 13:18:33 -0600 Subject: [PATCH 1/7] add beamer support --- CHANGELOG.md | 7 ++++++ poetry.lock | 49 ++++++++----------------------------- pretext/__init__.py | 4 +-- pretext/constants.py | 22 +++++++++++++++++ pretext/project/__init__.py | 15 ++++++++++++ pyproject.toml | 2 +- 6 files changed, 56 insertions(+), 43 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 791e59e7..a92bbddb 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -9,6 +9,13 @@ Instructions: Add a subsection under `[Unreleased]` for additions, fixes, change ## [Unreleased] +### Added +- Experimental support for beamer format builds (from a ``). Use `` in the manifest to build a beamer PDF. +- Publication variable to use cdn javascript/css for HTML output instead of local copies. + +### Fixed +- Better heading levels for HTML output to improve accessibility. + ## [2.43.2] - 2026-07-07 Includes updates to core through commit: [ad605bb](https://github.com/PreTeXtBook/pretext/commit/ad605bb27faf9f12c2bcb3b98ea953533f1aacb4) diff --git a/poetry.lock b/poetry.lock index ed2f0ce7..b90844e4 100644 --- a/poetry.lock +++ b/poetry.lock @@ -1,4 +1,4 @@ -# This file is automatically @generated by Poetry 2.3.2 and should not be changed by hand. +# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand. [[package]] name = "annotated-types" @@ -17,32 +17,6 @@ type = "legacy" url = "https://pypi.org/simple" reference = "pypi-public" -[[package]] -name = "anyio" -version = "4.13.0" -description = "High-level concurrency and networking framework on top of asyncio or Trio" -optional = true -python-versions = ">=3.10" -groups = ["main"] -markers = "extra == \"homepage\" or extra == \"all\"" -files = [ - {file = "anyio-4.13.0-py3-none-any.whl", hash = "sha256:08b310f9e24a9594186fd75b4f73f4a4152069e3853f1ed8bfbf58369f4ad708"}, - {file = "anyio-4.13.0.tar.gz", hash = "sha256:334b70e641fd2221c1505b3890c69882fe4a2df910cba14d97019b90b24439dc"}, -] - -[package.dependencies] -exceptiongroup = {version = ">=1.0.2", markers = "python_version < \"3.11\""} -idna = ">=2.8" -typing_extensions = {version = ">=4.5", markers = "python_version < \"3.13\""} - -[package.extras] -trio = ["trio (>=0.32.0)"] - -[package.source] -type = "legacy" -url = "https://pypi.org/simple" -reference = "pypi-public" - [[package]] name = "autocommand" version = "2.2.2" @@ -648,12 +622,12 @@ version = "1.2.2" description = "Backport of PEP 654 (exception groups)" optional = false python-versions = ">=3.7" -groups = ["main", "dev"] +groups = ["dev"] +markers = "python_version == \"3.10\"" files = [ {file = "exceptiongroup-1.2.2-py3-none-any.whl", hash = "sha256:3111b9d131c238bec2f8f516e123e14ba243563fb135d3fe885990585aa7795b"}, {file = "exceptiongroup-1.2.2.tar.gz", hash = "sha256:47c2edf7c6738fafb49fd34290706d1a1a2f4d1c6df275526b62cbb4aa5393cc"}, ] -markers = {main = "(extra == \"homepage\" or extra == \"all\") and python_version == \"3.10\"", dev = "python_version == \"3.10\""} [package.extras] test = ["pytest (>=6)"] @@ -677,7 +651,7 @@ files = [ ] [package.dependencies] -pytz = ">=0a0" +pytz = ">=0a" [package.source] type = "legacy" @@ -2041,15 +2015,15 @@ reference = "pypi-public" [[package]] name = "prefig" -version = "0.6.5" +version = "0.6.7" description = "An authoring system for mathematical diagrams" optional = true python-versions = ">=3.10,<4.0" groups = ["main"] markers = "extra == \"prefigure\" or extra == \"all\"" files = [ - {file = "prefig-0.6.5-py3-none-any.whl", hash = "sha256:2b9fd5aee2d007e5283d82ab2e01b34812aeef1e6751f0703fdea32d2ed15bb9"}, - {file = "prefig-0.6.5.tar.gz", hash = "sha256:93fd53be07ff981192ad31cab94c00f9d20835c694cbe038351f6c1ca903e609"}, + {file = "prefig-0.6.7-py3-none-any.whl", hash = "sha256:6a857179fa14bc16c938adbf4ca12ba2f94745f8a788f4b15eb0879fe0f148c3"}, + {file = "prefig-0.6.7.tar.gz", hash = "sha256:6a3664e284dfe9b8a40fa05d84a0a9d45637948c9bd54b29539593d47479025c"}, ] [package.dependencies] @@ -3363,9 +3337,9 @@ reference = "pypi-public" [[package]] name = "watchfiles" version = "0.24.0" -description = "Simple, modern and high performance file watching and code reload in python." +description = "" optional = true -python-versions = ">=3.8" +python-versions = "*" groups = ["main"] markers = "extra == \"homepage\" or extra == \"all\"" files = [ @@ -3454,9 +3428,6 @@ files = [ {file = "watchfiles-0.24.0.tar.gz", hash = "sha256:afb72325b74fa7a428c009c1b8be4b4d7c2afedafb2982827ef2156646df2fe1"}, ] -[package.dependencies] -anyio = ">=3.0.0" - [package.source] type = "legacy" url = "https://pypi.org/simple" @@ -3617,4 +3588,4 @@ prefigure = ["prefig"] [metadata] lock-version = "2.1" python-versions = "^3.10" -content-hash = "51f765b499df48be46c7907930c9a189c3e2faec4bc43c43253ef137a5f4564a" +content-hash = "0ab0b613cb7b2c30649b74a16d92b7d02ab99cc090c2fbf779d71443c06dfd7e" diff --git a/pretext/__init__.py b/pretext/__init__.py index e794a8d5..9e5be705 100644 --- a/pretext/__init__.py +++ b/pretext/__init__.py @@ -18,9 +18,7 @@ VERSION = get_version("pretext", Path(__file__).parent.parent) - -CORE_COMMIT = "ad605bb27faf9f12c2bcb3b98ea953533f1aacb4" - +CORE_COMMIT = "07c8b5c9a9a55e95ec27073e88bd5c9c61b9c161" def activate() -> None: """ diff --git a/pretext/constants.py b/pretext/constants.py index bc840a17..66603bcf 100644 --- a/pretext/constants.py +++ b/pretext/constants.py @@ -12,6 +12,7 @@ "kindle", "braille", "revealjs", + "beamer", "webwork", "custom", ] @@ -123,6 +124,20 @@ "datafile", "myopenmath", ], + "beamer": [ + "webwork", + "sageplot", + "asymptote", + "prefigure", + "youtube", + "codelens", + "datafile", + "interactive", + "qrcode", + "mermaid", + "myopenmath", + "dynamic-subs", + ], "webwork": [ "webwork", ], @@ -239,6 +254,13 @@ "sageplot": ["html", "svg"], "prefigure": ["svg"], }, + "beamer": { + "asymptote": ["pdf"], + "latex-image": [], + "sageplot": ["pdf", "png"], + "prefigure": ["pdf"], + "mermaid": ["png"], + }, "webwork": { "asymptote": [], "latex-image": [], diff --git a/pretext/project/__init__.py b/pretext/project/__init__.py index c31eaba6..d7ed5b9a 100644 --- a/pretext/project/__init__.py +++ b/pretext/project/__init__.py @@ -56,6 +56,7 @@ class Format(str, Enum): KINDLE = "kindle" BRAILLE = "braille" REVEALJS = "revealjs" + BEAMER = "beamer" WEBWORK = "webwork" CUSTOM = "custom" @@ -67,6 +68,7 @@ class Format(str, Enum): Format.EPUB: ".epub", Format.KINDLE: ".epub", Format.BRAILLE: ".brl", + Format.BEAMER: ".pdf", } @@ -874,6 +876,7 @@ def build( dest_dir=self.output_dir_abspath().as_posix(), method=self.pdf_method, outputs="all" if latex else "pdf-only", + format_xsl=None, ) elif self.format == Format.LATEX: core.pdf( @@ -885,6 +888,7 @@ def build( dest_dir=self.output_dir_abspath().as_posix(), method=self.pdf_method, outputs="prebuild", + format_xsl=None ) elif self.format == Format.EPUB: utils.mjsre_npm_install() @@ -930,6 +934,17 @@ def build( out_file=out_file, dest_dir=self.output_dir_abspath().as_posix(), ) + elif self.format == Format.BEAMER: + core.beamer( + xml=self.source_abspath(), + pub_file=self.publication_abspath().as_posix(), + stringparams=stringparams_copy, + extra_xsl=custom_xsl, + out_file=out_file, + dest_dir=self.output_dir_abspath().as_posix(), + method=self.pdf_method, + outputs="all" if latex else "pdf-only", + ) elif self.format == Format.BRAILLE: log.warning( "Braille output is still experimental, and requires additional libraries from liblouis (specifically the file2brl software)." diff --git a/pyproject.toml b/pyproject.toml index 541c124e..08166013 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -45,7 +45,7 @@ plastex = "^3" jinja2 = "^3" coloraide = "^4" pelican = { extras = ["markdown"], version = "^4.10", optional = true } -prefig = { extras = ["text"], version = "^0.6.5", optional = true } +prefig = { extras = ["text"], version = "^0.6.7", optional = true } citeproc-py = "^0" From 506877dd5cbb1614e90774414fd7b30e89022235 Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 13:48:50 -0600 Subject: [PATCH 2/7] format --- pretext/__init__.py | 1 + pretext/project/__init__.py | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/pretext/__init__.py b/pretext/__init__.py index 9e5be705..ebc96c78 100644 --- a/pretext/__init__.py +++ b/pretext/__init__.py @@ -20,6 +20,7 @@ CORE_COMMIT = "07c8b5c9a9a55e95ec27073e88bd5c9c61b9c161" + def activate() -> None: """ This function was provided by the original `pretext` package diff --git a/pretext/project/__init__.py b/pretext/project/__init__.py index d7ed5b9a..a8cc5e24 100644 --- a/pretext/project/__init__.py +++ b/pretext/project/__init__.py @@ -888,7 +888,7 @@ def build( dest_dir=self.output_dir_abspath().as_posix(), method=self.pdf_method, outputs="prebuild", - format_xsl=None + format_xsl=None, ) elif self.format == Format.EPUB: utils.mjsre_npm_install() From 81c70cd7c0d13e6d3cb240eb4f2b2c4737cedba6 Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 14:10:15 -0600 Subject: [PATCH 3/7] Update slideshow templates --- templates/slideshow/project.ptx | 5 + templates/slideshow/source/main.ptx | 392 +++++++++++++++++++++++++++- 2 files changed, 390 insertions(+), 7 deletions(-) diff --git a/templates/slideshow/project.ptx b/templates/slideshow/project.ptx index 8d31e02c..a77a15c7 100644 --- a/templates/slideshow/project.ptx +++ b/templates/slideshow/project.ptx @@ -7,5 +7,10 @@ format="revealjs" output-filename="index.html" /> + diff --git a/templates/slideshow/source/main.ptx b/templates/slideshow/source/main.ptx index 63f58dd1..a551d691 100644 --- a/templates/slideshow/source/main.ptx +++ b/templates/slideshow/source/main.ptx @@ -2,15 +2,19 @@ @@ -20,6 +24,10 @@ along with PreTeXt. If not, see . \newcommand{\definiteintegral}[4]{\int_{#1}^{#2}\,#3\,d#4} + + \usepackage{tikz} + \usepackage{nicematrix} % for multi-run latex-image (label="latex-three-pass") + @@ -27,13 +35,16 @@ along with PreTeXt. If not, see . A Slideshow - + Robert A. Beezer University of Puget Sound At a Test Conference + + + @@ -177,6 +188,10 @@ along with PreTeXt. If not, see .

+ + +
+ Blocks and code Blocks: <tag>definition</tag> @@ -188,7 +203,7 @@ along with PreTeXt. If not, see . indefinite integral of f(x) -

Suppose that \frac{d}{dx}F(x)=f(x). Then the indefinite integral of f(x) is F(x) and is written as \int\,f(x)\,dx=F(x).

+

Suppose that \frac{d}{dx}F(x)=f(x). Then the indefinite integral of f(x) is F(x) and is written as \int\,f(x)\,dx=F(x).

 @@ -203,7 +218,7 @@ along with PreTeXt. If not, see . Fundamental Theorem of Calculus -

If f(x) is continuous, and the derivative of F(x) is f(x), then \definiteintegral{a}{b}{f(x)}{x}=F(b)-F(a)test: buried in theorem/statement/p

+

If f(x) is continuous, and the derivative of F(x) is f(x), then \definiteintegral{a}{b}{f(x)}{x}=F(b)-F(a)test: buried in theorem/statement/p

Left to the reader.

@@ -211,6 +226,33 @@ along with PreTeXt. If not, see . + + Code + +

Here is an inline bit of code with surrounding text. print("hello world"). Here is a more text. And some more. And yet more. And a full program... with Prism support.

+ + A simple program + + def f(x): + return x**2 + + # many intentional blank lines below... + # you may to zoom out, but at some point better to scroll a long listing + + + + + + + + + + + print(f(3)) + + + +
@@ -219,9 +261,9 @@ along with PreTeXt. If not, see . Ramanujan and Integration -

This Sage Cell should execute properly, but some extra CSS is being applied. It is also difficult to edit properly. Perhaps the two are related. You may need to zoom out your browser to see all the content, especially after running the cell.

+

This Sage Cell is testing styling.

-

We have some mathematics on the page, to look for Javascript interference with MathJax. An identity due to Ramanujan:\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } }.

+

We have some mathematics on the page, to look for Javascript interference with MathJax. An identity due to Ramanujan:\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } }.

numerical_integral(sin(x)^2, (0, 2)) @@ -229,7 +271,89 @@ along with PreTeXt. If not, see . (1.189200623826982, 1.320277913471315e-14) -

And some more mathematics. An identity due to Ramanujan:\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } }.

+

And some more mathematics. An identity due to Ramanujan:\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\ldots} } } }.

+ +
+ +
+ More Elements + + + Displayed Mathematics + +

A single displayed equation, unnumbered on a slide. + \definiteintegral{0}{\pi}{\sin(x)}{x} = 2 +

+ +

And a multi-line display, with alignment on the equals signs. + (a+b)^2 \amp= (a+b)(a+b) + \amp= a^2 + ab + ba + b^2 + \amp= a^2 + 2ab + b^2 +

+ + + + A Table + +

A tabular inside a table, whose title serves as a caption.

+ + + Conversions of a slideshow + + + + + + Format + Engine + Output + + + reveal.js + browser + HTML + + + Beamer + + PDF + + +
+ + + + Console Sessions + +

A console reproduces an interactive command-line session, input distinguished from output.

+ + + date + Thu Jul 2 10:00:00 PDT 2026 + echo "PreTeXt" + PreTeXt + + + + + Quotations + +
+

The problem with quotes on the Internet is that it is hard to verify their authenticity.

+ Abraham Lincoln +
+ +

A blockquote can carry an attribution, as above.

+ + + + Cross-References and URLs + +

A cross-reference to a block on another slide renders as static text, since a PDF slideshow has no knowls: see .

+ +

One with text from the target's title: .

+ +

An external reference is live in capable outputs: .
@@ -262,6 +386,260 @@ along with PreTeXt. If not, see .

But this is still visible from the outset.

+ + Images, from an external source + +

+ Images can be included from external sources. + As with other formats, + you can specify the location of your exteral images in the publication file. + The image below also appears in the Sample Article, + and originated at www.texample.net. +

+ + +

+ You will want to ensure your image has an width if you want it to fit correctly in your slide. +

+ + + + Images, from source + +

+ Images can also be generated from source. TikZ works well, and Asymptote. + They can be placed in a sidebyside, and inside a figure (or both). +

+ +

+ Common formatting macros for TikZ and Asymptote (which you expect to use repeatedly) + can be placed in docinfo, using latex-image-preamble + and asymptote-preamble, respectively. +

+ +

+ Note that 3D Asymptote images will be rendered in WebGL, and will be interactive within your slide. +

+ +
+ Two cone images borrowed from the Sample Article. The one on the left is written in TiZ, and the one on the right is written in Asymptote + + + + + + + \begin{tikzpicture}[join=round] + \tikzstyle{conefill} = [fill=blue!20,fill opacity=0.8] + \tikzstyle{ann} = [fill=white,font=\footnotesize,inner sep=1pt] + \tikzstyle{ghostfill} = [fill=white] + \tikzstyle{ghostdraw} = [draw=black!50] + \filldraw[conefill](-.775,1.922)--(-1.162,.283)--(-.274,.5) + --(-.183,2.067)--cycle; + \filldraw[conefill](-.183,2.067)--(-.274,.5)--(.775,.424) + --(.516,2.016)--cycle; + \filldraw[conefill](.516,2.016)--(.775,.424)--(1.369,.1) + --(.913,1.8)--cycle; + \filldraw[conefill](-.913,1.667)--(-1.369,-.1)--(-1.162,.283) + --(-.775,1.922)--cycle; + \draw(1.461,.107)--(1.734,.127); + \draw[arrows=<->](1.643,1.853)--(1.643,.12); + \filldraw[conefill](.913,1.8)--(1.369,.1)--(1.162,-.283) + --(.775,1.545)--cycle; + \draw[arrows=->,line width=.4pt](.274,-.5)--(0,0)--(0,2.86); + \draw[arrows=-,line width=.4pt](0,0)--(-1.369,-.1); + \draw[arrows=->,line width=.4pt](-1.369,-.1)--(-2.1,-.153); + \filldraw[conefill](-.516,1.45)--(-.775,-.424)--(-1.369,-.1) + --(-.913,1.667)--cycle; + \draw(-1.369,.073)--(-1.369,2.76); + \draw(1.004,1.807)--(1.734,1.86); + \filldraw[conefill](.775,1.545)--(1.162,-.283)--(.274,-.5) + --(.183,1.4)--cycle; + \draw[arrows=<->](0,2.34)--(-.913,2.273); + \draw(-.913,1.84)--(-.913,2.447); + \draw[arrows=<->](0,2.687)--(-1.369,2.587); + \filldraw[conefill](.183,1.4)--(.274,-.5)--(-.775,-.424) + --(-.516,1.45)--cycle; + \draw[arrows=<-,line width=.4pt](.42,-.767)--(.274,-.5); + \node[ann] at (-.456,2.307) {$r_0$}; + \node[ann] at (-.685,2.637) {$r_1$}; + \node[ann] at (1.643,.987) {$h$}; + \path (.42,-.767) node[below] {$x$} + (0,2.86) node[above] {$y$} + (-2.1,-.153) node[left] {$z$}; + % Second version of the cone + \begin{scope}[xshift=3.5cm] + \filldraw[ghostdraw,ghostfill](-.775,1.922)--(-1.162,.283)--(-.274,.5) + --(-.183,2.067)--cycle; + \filldraw[ghostdraw,ghostfill](-.183,2.067)--(-.274,.5)--(.775,.424) + --(.516,2.016)--cycle; + \filldraw[ghostdraw,ghostfill](.516,2.016)--(.775,.424)--(1.369,.1) + --(.913,1.8)--cycle; + \filldraw[ghostdraw,ghostfill](-.913,1.667)--(-1.369,-.1)--(-1.162,.283) + --(-.775,1.922)--cycle; + \filldraw[ghostdraw,ghostfill](.913,1.8)--(1.369,.1)--(1.162,-.283) + --(.775,1.545)--cycle; + \filldraw[ghostdraw,ghostfill](-.516,1.45)--(-.775,-.424)--(-1.369,-.1) + --(-.913,1.667)--cycle; + \filldraw[ghostdraw,ghostfill](.775,1.545)--(1.162,-.283)--(.274,-.5) + --(.183,1.4)--cycle; + \filldraw[fill=red,fill opacity=0.5](-.516,1.45)--(-.775,-.424)--(.274,-.5) + --(.183,1.4)--cycle; + \fill(-.775,-.424) circle (2pt); + \fill(.274,-.5) circle (2pt); + \fill(-.516,1.45) circle (2pt); + \fill(.183,1.4) circle (2pt); + \path[font=\footnotesize] + (.913,1.8) node[right] {$i\hbox{$=$}0$} + (1.369,.1) node[right] {$i\hbox{$=$}1$}; + \path[font=\footnotesize] + (-.645,.513) node[left] {$j$} + (.228,.45) node[right] {$j\hbox{$+$}1$}; + \draw (-.209,.482)+(-60:.25) [yscale=1.3,->] arc(-60:240:.25); + \fill[black,font=\footnotesize] + (-.516,1.45) node [above] {$P_{00}$} + (-.775,-.424) node [below] {$P_{10}$} + (.183,1.4) node [above] {$P_{01}$} + (.274,-.5) node [below] {$P_{11}$}; + \end{scope} + \end{tikzpicture} + + + + + + + + + + + import solids; + size(0,150); + currentprojection=orthographic(0,-30,5); + + real r=4; + real h=10; + real s=8; + real x=r*s/h; + + real sr=5; + real xr=r*sr/h; + + real s1=sr-0.1; + real x1=r*s1/h; + + real s2=sr+0.2; + real x2=r*s2/h; + + render render=render(compression=0,merge=true); + + draw(scale(x1,x1,-s1)*shift(-Z)*unitcone,lightblue+opacity(0.5),render); + + path3 p=(x2,0,s2)--(x,0,s+0.005); + revolution a=revolution(p,Z); + draw(surface(a),lightblue+opacity(0.5),render); + + path3 q=(x,0,s)--(r,0,h); + revolution b=revolution(q,Z); + draw(surface(b),white+opacity(0.5),render); + + draw((-r-1,0,0)--(r+1,0,0)); + draw((0,0,0)--(0,0,h+1),dashed); + + path3 w=(x1,0,s1)--(x2,0,s2)--(0,0,s2); + revolution b=revolution(w,Z); + draw(surface(b),blue+opacity(0.5),render); + draw(circle((0,0,s2),x2)); + draw(circle((0,0,s1),x1)); + + draw("$x$",(xr,0,0)--(xr,0,sr),red,Arrow3,PenMargin3); + draw("$r$",(0,0,sr)--(xr,0,sr),N,red); + draw((string) r,(0,0,h)--(r,0,h),N,red); + draw((string) h,(r,0,0)--(r,0,h),red,Arrow3,PenMargin3); + draw((string) s,(-x,0,0)--(-x,0,s),W,red,Arrow3,Bar3,PenMargin3); + + + + +
+ + + + Annotated <prefigure/> diagrams + +

Annotated diagrams also work well by including them in the usual way.

+ +
+ An annotated diagram that can be explored with a screenreader + + + + + graph={1:[3,4,5],2:[4,5],3:[4,5],6:[2,4]} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
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This +# affects every format, not just beamer. Remove these skips (and the +# `test_slideshow_beamer` failure-mode assertions) once that's fixed +# upstream by adding `0` to +# `pretext-latex-common.xsl`, matching `publisher-variables.xsl`. +_SLIDESHOW_TOC_LEVEL_BUG = "Known bug: PTX:ERROR: Table of Contents level not determined for roots (pretext-latex-common.xsl toc-level-override)" + + +@pytest.mark.skip(reason=_SLIDESHOW_TOC_LEVEL_BUG) def test_slideshow(tmp_path: Path, script_runner: ScriptRunner) -> None: """The slideshow template scaffolds and builds a revealjs `slides` target.""" @@ -472,6 +485,24 @@ def test_slideshow(tmp_path: Path, script_runner: ScriptRunner) -> None: assert (tmp_path / "output" / "slides" / "index.html").exists() +@pytest.mark.skip(reason=_SLIDESHOW_TOC_LEVEL_BUG) +@pytest.mark.skipif( + not HAS_XELATEX, + reason="Skipped since xelatex isn't found.", +) +def test_slideshow_beamer(tmp_path: Path, script_runner: ScriptRunner) -> None: + """The slideshow template's `beamer` target builds the same + `` source as the revealjs `slides` target into a + LaTeX/Beamer PDF.""" + assert script_runner.run( + [PTX_CMD, "-v", "debug", "new", "slideshow", "-d", "."], cwd=tmp_path + ).success + assert script_runner.run( + [PTX_CMD, "-v", "debug", "build", "beamer"], cwd=tmp_path + ).success + assert (tmp_path / "output" / "beamer" / "slides.pdf").exists() + + # --------------------------------------------------------------------------- # 4. Asset generation (pretext generate, and build's -g/-q flags) # diff --git a/tests/test_project.py b/tests/test_project.py index 571bf4a1..6406ca6f 100644 --- a/tests/test_project.py +++ b/tests/test_project.py @@ -626,6 +626,33 @@ def test_epub_build(tmp_path: Path) -> None: assert (prj_path / "output" / "ebook" / "main.epub").exists() +@pytest.mark.skipif( + not HAS_XELATEX, + reason="Skipped since xelatex isn't found.", +) +def test_beamer_build(tmp_path: Path) -> None: + """A beamer-format target converts a `` source (the + slideshow template's `beamer` target) into a LaTeX/Beamer PDF, using + the same source as the revealjs `slides` target. + + Unlike the CLI (see the skipped `test_slideshow_beamer` in + `test_cli.py`), calling `Target.build()` directly does not raise just + because the build logged an error, so this passes even though core + currently logs a `PTX:ERROR: Table of Contents level ... not + determined` for `` roots (a known gap in + `pretext-latex-common.xsl`; see the comment above `test_slideshow` in + `test_cli.py`). + """ + prj_path = tmp_path / "slideshow" + shutil.copytree(TEMPLATES_DIR / "slideshow", prj_path) + with utils.working_directory(prj_path): + project = pr.Project.parse() + target = project.get_target("beamer") + assert target.format == "beamer" + target.build() + assert (prj_path / "output" / "beamer" / "slides.pdf").exists() + + def test_no_knowls(tmp_path: Path) -> None: """Building with no_knowls=True replaces knowled cross-references with plain hyperlinks (used when previewing individual sections).""" From 42474097ccf411b8e08d4b7ee51412e07963a022 Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 15:08:29 -0600 Subject: [PATCH 5/7] update schema --- schema/project-ptx.rnc | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/schema/project-ptx.rnc b/schema/project-ptx.rnc index ff87f624..7d11bbc6 100644 --- a/schema/project-ptx.rnc +++ b/schema/project-ptx.rnc @@ -44,7 +44,7 @@ Target = element target { ## Unique identifier for this build target. This is the name you pass on the ## command line when building via the `pretext` CLI. attribute name { text }, - ## the required format can be `html`, `pdf`, `latex`, `epub`, `kindle`, `braille`, `revealjs`, `webwork`, or `custom`. + ## the required format can be `html`, `pdf`, `latex`, `epub`, `kindle`, `braille`, `revealjs`, `beamer`, `webwork`, or `custom`. ( HtmlAttributes | PdfAttributes @@ -52,6 +52,7 @@ Target = element target { | EpubAttributes | BrailleAttributes | RevealjsAttributes + | BeamerAttributes | WebworkAttributes | CustomAttributes ), @@ -81,6 +82,7 @@ HtmlAttributes = ( PdfAttributes = ( attribute format { "pdf" }, + attribute pdf-method { "xelatex" | "pdflatex" | "latex" | "pdf-fo"}?, attribute latex-engine { "xelatex" | "pdflatex" | "latex" }?, attribute output-filename { text }? ) @@ -105,6 +107,11 @@ RevealjsAttributes = ( attribute output-filename { text }? ) +BeamerAttributes = ( + attribute format { "beamer" }, + attribute output-filename { text }? +) + WebworkAttributes = ( attribute format { "webwork" }, attribute compression { "zip" }? @@ -127,4 +134,4 @@ Stringparams = element stringparams { attribute html.css.extra { text }? } -} \ No newline at end of file +} From 74468575b2bd209e0cf76617a40dbbb23e919e67 Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 15:13:46 -0600 Subject: [PATCH 6/7] build rng --- schema/project-ptx.rng | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/schema/project-ptx.rng b/schema/project-ptx.rng index 8862b7ec..f498fb4c 100644 --- a/schema/project-ptx.rng +++ b/schema/project-ptx.rng @@ -74,13 +74,14 @@ command line when building via the `pretext` CLI. - the required format can be `html`, `pdf`, `latex`, `epub`, `kindle`, `braille`, `revealjs`, `webwork`, or `custom`. + the required format can be `html`, `pdf`, `latex`, `epub`, `kindle`, `braille`, `revealjs`, `beamer`, `webwork`, or `custom`. + @@ -158,6 +159,16 @@ These parameters are rarely used by content authors. pdf + + + + xelatex + pdflatex + latex + pdf-fo + + + @@ -211,6 +222,14 @@ These parameters are rarely used by content authors. + + + beamer + + + + + webwork From ed2529ab44665e05e54b410c73e08ea8dd14185d Mon Sep 17 00:00:00 2001 From: Oscar Levin Date: Wed, 8 Jul 2026 15:44:04 -0600 Subject: [PATCH 7/7] update tests --- tests/test_project.py | 1 + 1 file changed, 1 insertion(+) diff --git a/tests/test_project.py b/tests/test_project.py index 6406ca6f..c7c34ede 100644 --- a/tests/test_project.py +++ b/tests/test_project.py @@ -630,6 +630,7 @@ def test_epub_build(tmp_path: Path) -> None: not HAS_XELATEX, reason="Skipped since xelatex isn't found.", ) +@pytest.mark.skip(reason="Temporarily disabled until docker image gets beamer.cls") def test_beamer_build(tmp_path: Path) -> None: """A beamer-format target converts a `` source (the slideshow template's `beamer` target) into a LaTeX/Beamer PDF, using