我编写了一个自定义ReST指令,它接受如下输入:
.. foo::
abcdef
ghijkl
mnopqr
a = apple; apple.png
b = banana; banana.png
(etc.)并输出一个表。表的形状像上面的字母块,每个字母代表一个图像。接下来的几行将图像与每个字母相关联。
这是指令中执行输出的部分:
tbody = nodes.tbody()
for line in lines[:3]:
row = []
for c in line:
if c not in ingredients:
continue
name, image = ingredients[c]
row.append(nodes.image(uri=IMAGE_URL.format(image)))
row_entries = [nodes.entry([n]) for n in row]
row = nodes.row()
row.extend(row_entries)
tbody.append(row)
table = nodes.table()
tgroup = nodes.tgroup()
table.append(tgroup)
tgroup.append(tbody)
return [nodes.literal_block(text='\n'.join(self.content))] + table这个“工作”,因为它返回okay。但是,稍后,当作者试图输出我的指令返回的内容时,它会导致一个回溯:
Traceback (most recent call last):
File "./rst2html.py", line 24, in <module>
publish_cmdline(writer_name='html', description=description)
File "/usr/lib64/python3.2/site-packages/docutils/core.py", line 352, in publish_cmdline
config_section=config_section, enable_exit_status=enable_exit_status)
File "/usr/lib64/python3.2/site-packages/docutils/core.py", line 219, in publish
output = self.writer.write(self.document, self.destination)
File "/usr/lib64/python3.2/site-packages/docutils/writers/__init__.py", line 80, in write
self.translate()
File "/usr/lib64/python3.2/site-packages/docutils/writers/html4css1/__init__.py", line 173, in translate
self.document.walkabout(visitor)
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 174, in walkabout
if child.walkabout(visitor):
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 166, in walkabout
visitor.dispatch_visit(self)
File "/usr/lib64/python3.2/site-packages/docutils/nodes.py", line 1627, in dispatch_visit
return method(node)
File "/usr/lib64/python3.2/site-packages/docutils/writers/html4css1/__init__.py", line 792, in visit_entry
if node.parent.parent.parent.stubs[node.parent.column]:
IndexError: list index out of range这似乎是docutils中的一个bug;我猜我返回的表元素不是很“格式良好”,至少对作者来说是这样。然而,似乎没有任何关于这方面的文档。(如果有,请指给我看!)
有谁知道我返回的HTML编写器不喜欢的表节点是什么,以及我应该修改什么来修复它?
即使我的输出不是很好,一个比“超出范围的列表索引”更好的错误应该被发回给我。
发布于 2013-11-17 02:39:55
我犯了两个错误:
thead,用于标题;它的工作方式与tbody类似。我一直在使用(并最终从) docutils.parsers.rst.directives.tables中了解到这一点,build_table_from_list函数非常有用。[table],而不是table:
返回nodes.literal_block(text='\n'.join(self.content)) +表
有趣的是,作者接受了这个错误。您将得到一个表,减去周围的<table>标记。请注意,colgroup的colwidth是一个比率:三列颜色宽度"1“作为宽度为"33%”的三列输出。
https://stackoverflow.com/questions/20026343
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