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snakebridge

0.3.0
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Compile-time generator for type-safe Elixir bindings to Python libraries

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snakebridge priv python snakebridge_adapter pylatexenc_bridge.py
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priv/python/snakebridge_adapter/pylatexenc_bridge.py 

"""

pylatexenc helper functions for SnakeBridge.



Provides simple, JSON-safe wrappers for LaTeX parsing and encoding.

"""



from typing import List



from . import serializer



try:

    from pylatexenc.latex2text import LatexNodes2Text

    from pylatexenc.latexencode import unicode_to_latex as _unicode_to_latex

    from pylatexenc.latexwalker import LatexWalker

    HAS_PYLATEXENC = True

except ImportError:

    LatexNodes2Text = None

    _unicode_to_latex = None

    LatexWalker = None

    HAS_PYLATEXENC = False





def _ensure_pylatexenc():

    if not HAS_PYLATEXENC:

        raise ImportError("pylatexenc not installed. Install with: pip install pylatexenc")





def latex_to_text(latex: str) -> str:

    _ensure_pylatexenc()

    return LatexNodes2Text().latex_to_text(latex)





def unicode_to_latex(text: str) -> str:

    _ensure_pylatexenc()

    return _unicode_to_latex(text)





def parse_latex(latex: str) -> List[dict]:

    _ensure_pylatexenc()

    walker = LatexWalker(latex)

    nodes, _, _ = walker.get_latex_nodes()

    return serializer.json_safe(nodes)