views.py 文件源码

def view_file(filename):
    """ Views file with syntax highlighting (if applicable)

    Args:
        filename (str): Full path to filename to render view response for.
    """
    folder = filename.split(_AEON_TOPDIR).pop().strip('/')
    filename = os.path.join(_AEON_TOPDIR, filename)
    try:
        with open(filename, 'r') as f:
            data = f.read()

            # lexer = guess_lexer_for_filename(filename, data)
            formatter = HtmlFormatter(linenos=True)
        try:
            lexer = get_lexer_for_filename(filename)
            code = highlight(data, lexer, formatter)
        except ClassNotFound:
            lexer = TextLexer()
            code = highlight(data, lexer, formatter)
        stat = os.stat(filename)
        return render_template('view.html', content=code, folder=folder, stat=stat, filename=filename)

    except (OSError, IOError) as e:
        code = e[0]
        reason = e[1]
        flash('Error: Could not view file {filename}: {reason} ({code})'.format(filename=filename, reason=reason,
                                                                                code=code), 'danger')
        return render_template('view.html')