mirror of
https://git.freetards.xyz/array.in.a.matrix/TexLiLy.git
synced 2025-04-02 13:21:42 -04:00
4d4aa7d5ab
Now you can put long LilyPond stuff! And text-mode LaTeX! Signed-off-by: LoaD Accumulator <lda@freetards.xyz>
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
# Converts a TeX file into a PNG/SVG file.
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template = r"""
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\documentclass[utf8,preview,varwidth]{{standalone}}
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\usepackage{{amsmath}}
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\usepackage[active]{{preview}}
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\usepackage[utf8]{{inputenc}}
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\usepackage{{tikz}}
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% TODO: Add user packages here.
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{packages}
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\begin{{document}}
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% The user content goes here.
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{content}
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\end{{document}}
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"""
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def render(user: str, source: str, png: bool = True) -> str:
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import tempfile
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import subprocess
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import utils
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import os
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# Put the user's packages in the format too.
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directory = utils.create_user_dir(user)
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pkgs = ""
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for f in os.listdir(directory):
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if f.endswith(".sty"):
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base = os.path.join(directory, f[:-4])
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pkgs += "\\usepackage{{{base}}}\n ".format(base=base)
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fmt = template.format(content=source, packages=pkgs)
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tmp = tempfile.NamedTemporaryFile(delete=False)
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tmp.write(bytes(fmt, encoding="utf8"))
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tmp.close()
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# Parse our templated file thru' LaTeX and dvipng.
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# TODO: Allow arbitrary DPI and foreground color.
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ret = subprocess.run(["latex", "-halt-on-error", tmp.name],
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cwd="/tmp", capture_output=True)
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if ret.returncode != 0:
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raise FileNotFoundError(ret.stdout.decode())
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if png:
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subprocess.run(["dvipng", "-D", "5000", tmp.name + ".dvi", "-bg", "Transparent",
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"-fg", "rgb 1 1 1", "-o", tmp.name + ".png"], cwd="/tmp")
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return tmp.name + ".png"
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# TODO:
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raise NotImplementedError("SVG support is not currently implemented")
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