Compile LaTeX documents with pytask.
Project description
pytask-latex
pytask-latex allows you to compile LaTeX documents with pytask
It also uses
latex-dependency-scanner to
automatically infer the dependencies of the LaTeX document such as images,
bibliographies and other .tex
files which are necessary to compile the LaTeX document.
Installation
pytask-latex is available on PyPI and Anaconda.org. Install it with
$ pip install pytask-latex
# or
$ conda install -c conda-forge pytask-latex
You also need to have latexmk
installed which determines the necessary number of
compilation steps (here is an
explanation for what latexmk achieves). To test whether it is installed, type the
following on the command line
$ latexmk --help
If an error is shown instead of a help page, you can install latexmk
with one of the
popular LaTeX distributions, like TeX Live,
MiKTeX, MacTeX or others.
Usage
Compiling your PDF can be as simple as writing the following task.
from pathlib import Path
from pytask import mark
@mark.latex(script=Path("document.tex"), document=Path("document.pdf"))
def task_compile_latex_document():
pass
Use @mark.latex
to indicate that this task compiles a LaTeX document. The script
and
the document
keywords provide absolute paths or paths relative to the task module to
the LaTeX file and the compiled document.
Dependencies and Products
Dependencies and products can be added as usual. Read this tutorial.
For example, with the @task
decorator. (The choice of the kwarg name, here path
, is
arbitrary.)
from pytask import mark
from pytask import task
from pathlib import Path
@task(kwargs={"path": Path("path_to_another_dependency.tex")})
@mark.latex(script=Path("document.tex"), document=Path("document.pdf"))
def task_compile_latex_document():
pass
Customizing the compilation
pytask-latex uses latexmk by default to compile the document because it handles most
use-cases automatically. The following is equivalent to a bare @mark.latex
decorator.
@mark.latex(
script=Path("document.tex"),
document=Path("document.pdf"),
compilation_steps="latexmk",
)
def task_compile_latex_document():
...
The @mark.latex
decorator has a keyword argument called compilation_steps
which
accepts which accepts strings or list of strings pointing to internally implemented
compilation steps. Using strings will use the default configuration of this compilation
step. It is equivalent to the following.
from pytask_latex import compilation_steps as cs
@mark.latex(
script=Path("document.tex"),
document=Path("document.pdf"),
compilation_steps=cs.latexmk(
options=("--pdf", "--interaction=nonstopmode", "--synctex=1", "--cd")
),
)
def task_compile_latex_document():
...
In this example, compilation_steps.latexmk
is a compilation step constructor which
accepts a set of options and creates a compilation step function.
You can pass different options to change the compilation process with latexmk. Here is
an example for generating a .dvi
.
@mark.latex(
script=Path("document.tex"),
document=Path("document.pdf"),
compilation_steps=cs.latexmk(
options=("--dvi", "--interaction=nonstopmode", "--synctex=1", "--cd")
),
)
def task_compile_latex_document():
...
compilation_step.latexmk(options)
generates a compilation step which is a function
with the following signature:
from pathlib import Path
import subprocess
def custom_compilation_step(path_to_tex: Path, path_to_document: Path) -> None:
...
subproces.run(..., check=True)
You can also pass your custom compilation step with the same signature to the
compilation_steps
keyword argument of the decorator.
Each compilation step receives the path to the LaTeX source file and the path to the final document which it uses to call some program on the command line to run another step in the compilation process.
In the future, pytask-latex will provide more compilation steps for compiling bibliographies, glossaries and the like.
Repeating tasks with different scripts or inputs
You can compile multiple LaTeX documents as well as compiling a single .tex
document
with different command line arguments.
The following task compiles two latex documents.
for i in range(2):
@task
@mark.latex(script=Path(f"document_{i}.tex"), document=Path(f"document_{i}.pdf"))
def task_compile_latex_document():
pass
If you want to compile the same document with different command line options, you have to include the latex decorator in the parametrization. Pass a dictionary for possible compilation steps and their options.
for format_ in ("pdf", "dvi"):
@task
@mark.latex(
script=Path("document.tex"),
document=Path(f"document.{format_}"),
compilation_steps=cs.latexmk(
(f"--{format_}", "--interaction=nonstopmode", "--synctex=1", "--cd")
),
)
def task_compile_latex_document():
pass
Configuration
infer_latex_dependencies
pytask-latex tries to scan your LaTeX document for included files with the help of latex-dependency-scanner if the following configuration value is true which is also the default.
[tool.pytask.ini_options]
infer_latex_dependencies = true
Since the package is in its early development phase and LaTeX provides a myriad of ways
to include files as well as providing shortcuts for paths (e.g., \graphicspath
), there
are definitely some rough edges left. File an issue here or in the other project in case
of a problem.
Changes
Consult the release notes to find out about what is new.
Project details
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