statemachine.py 文件源码

def get_2D_block(self, top, left, bottom, right, strip_indent=True):
        block = self[top:bottom]
        indent = right
        for i in range(len(block.data)):
            # get slice from line, care for combining characters
            ci = utils.column_indices(block.data[i])
            try:
                left = ci[left]
            except IndexError:
                left += len(block.data[i]) - len(ci)
            try:
                right = ci[right]
            except IndexError:
                right += len(block.data[i]) - len(ci)
            block.data[i] = line = block.data[i][left:right].rstrip()
            if line:
                indent = min(indent, len(line) - len(line.lstrip()))
        if strip_indent and 0 < indent < right:
            block.data = [line[indent:] for line in block.data]
        return block