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49 lines
1.7 KiB
49 lines
1.7 KiB
# :Id: $Id: __init__.py 7865 2015-04-12 10:06:43Z milde $
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# :Author: Guenter Milde.
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# :License: Released under the terms of the `2-Clause BSD license`_, in short:
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#
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# Copying and distribution of this file, with or without modification,
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# are permitted in any medium without royalty provided the copyright
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# notice and this notice are preserved.
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# This file is offered as-is, without any warranty.
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#
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# .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause
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"""
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This is the Docutils (Python Documentation Utilities) "math" sub-package.
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It contains various modules for conversion between different math formats
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(LaTeX, MathML, HTML).
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:math2html: LaTeX math -> HTML conversion from eLyXer
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:latex2mathml: LaTeX math -> presentational MathML
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:unichar2tex: Unicode character to LaTeX math translation table
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:tex2unichar: LaTeX math to Unicode character translation dictionaries
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:tex2mathml_extern: Wrapper for TeX -> MathML command line converters
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"""
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# helpers for Docutils math support
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# =================================
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def pick_math_environment(code, numbered=False):
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"""Return the right math environment to display `code`.
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The test simply looks for line-breaks (``\\``) outside environments.
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Multi-line formulae are set with ``align``, one-liners with
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``equation``.
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If `numbered` evaluates to ``False``, the "starred" versions are used
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to suppress numbering.
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"""
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# cut out environment content:
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chunks = code.split(r'\begin{')
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toplevel_code = ''.join([chunk.split(r'\end{')[-1]
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for chunk in chunks])
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if toplevel_code.find(r'\\') >= 0:
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env = 'align'
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else:
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env = 'equation'
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if not numbered:
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env += '*'
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return env
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