tbtools.py 文件源码

def render_line_context(self):
        before, current, after = self.get_context_lines()
        rv = []

        def render_line(line, cls):
            line = line.expandtabs().rstrip()
            stripped_line = line.strip()
            prefix = len(line) - len(stripped_line)
            rv.append(
                '<pre class="line %s"><span class="ws">%s</span>%s</pre>' % (
                    cls, ' ' * prefix, escape(stripped_line) or ' '))

        for line in before:
            render_line(line, 'before')
        render_line(current, 'current')
        for line in after:
            render_line(line, 'after')

        return '\n'.join(rv)