ubelt/util_colors.py
def highlight_code(text, lexer_name='python', **kwargs):
    """
    Highlights a block of text using ANSI tags based on language syntax.

    Args:
        text (str): plain text to highlight
        lexer_name (str): name of language
        **kwargs: passed to pygments.lexers.get_lexer_by_name

    Returns:
        str: text : highlighted text
            If pygments is not installed, the plain text is returned.

    CommandLine:
        python -c "import pygments.formatters; print(list(pygments.formatters.get_all_formatters()))"

    Example:
        >>> import ubelt as ub
        >>> text = 'import ubelt as ub; print(ub)'
        >>> new_text = ub.highlight_code(text)
        >>> print(new_text)
    """
    # Resolve extensions to languages
    lexer_name = {
        'py': 'python',
        'h': 'cpp',
        'cpp': 'cpp',
        'cxx': 'cpp',
        'c': 'cpp',
    }.get(lexer_name.replace('.', ''), lexer_name)
    try:
        import pygments
        import pygments.lexers
        import pygments.formatters
        import pygments.formatters.terminal

        if sys.platform.startswith('win32'):  # nocover
            # Hack on win32 to support colored output
            import colorama
            colorama.init()

        formater = pygments.formatters.terminal.TerminalFormatter(bg='dark')
        lexer = pygments.lexers.get_lexer_by_name(lexer_name, **kwargs)
        new_text = pygments.highlight(text, lexer, formater)

    except ImportError:  # nocover
        import warnings
        warnings.warn('pygments is not installed, code will not be highlighted')
        new_text = text
    return new_text
def highlight_code(text, lexer_name='python', **kwargs):
    """
    Highlights a block of text using ANSI tags based on language syntax.

    Args:
        text (str): plain text to highlight
        lexer_name (str): name of language
        **kwargs: passed to pygments.lexers.get_lexer_by_name

    Returns:
        str: text : highlighted text
            If pygments is not installed, the plain text is returned.

    CommandLine:
        python -c "import pygments.formatters; print(list(pygments.formatters.get_all_formatters()))"

    Example:
        >>> import ubelt as ub
        >>> text = 'import ubelt as ub; print(ub)'
        >>> new_text = ub.highlight_code(text)
        >>> print(new_text)
    """
    # Resolve extensions to languages
    lexer_name = {
        'py': 'python',
        'h': 'cpp',
        'cpp': 'cpp',
        'cxx': 'cpp',
        'c': 'cpp',
    }.get(lexer_name.replace('.', ''), lexer_name)
    try:
        import pygments
        import pygments.lexers
        import pygments.formatters
        import pygments.formatters.terminal

        if sys.platform.startswith('win32'):  # nocover
            # Hack on win32 to support colored output
            import colorama
            colorama.init()

        formater = pygments.formatters.terminal.TerminalFormatter(bg='dark')
        lexer = pygments.lexers.get_lexer_by_name(lexer_name, **kwargs)
        new_text = pygments.highlight(text, lexer, formater)

    except ImportError:  # nocover
        import warnings
        warnings.warn('pygments is not installed, code will not be highlighted')
        new_text = text
    return new_text
Highlights a block of text using ANSI tags based on language syntax.

    Args:
        text (str): plain text to highlight
        lexer_name (str): name of language
        **kwargs: passed to pygments.lexers.get_lexer_by_name

    Returns:
        str: text : highlighted text
            If pygments is not installed, the plain text is returned.

    CommandLine:
        python -c "import pygments.formatters; print(list(pygments.formatters.get_all_formatters()))"

    Example:
        >>> import ubelt as ub
        >>> text = 'import ubelt as ub; print(ub)'
        >>> new_text = ub.highlight_code(text)
        >>> print(new_text)