def build_hierarchy(self, root, nodes, depths):
"""Given a root node, a flat list of child nodes, and a list of
depths, build a node hierarchy around the root"""
stack = tree_utils.NodeStack()
stack.add(0, root)
for node, depth_info in zip(nodes, depths):
node.label = [mtypes.deemphasize(l) for l in node.label]
self.replace_markerless(stack, node, depth_info.depth + 1)
self.carry_label_to_children(node)
if depth_info.typ != mtypes.stars:
stack.add(1 + depth_info.depth, node)
return stack.collapse()
def build_hierarchy(self, root, nodes, depths):
"""Given a root node, a flat list of child nodes, and a list of
depths, build a node hierarchy around the root"""
stack = tree_utils.NodeStack()
stack.add(0, root)
for node, depth_info in zip(nodes, depths):
node.label = [mtypes.deemphasize(l) for l in node.label]
self.replace_markerless(stack, node, depth_info.depth + 1)
self.carry_label_to_children(node)
if depth_info.typ != mtypes.stars:
stack.add(1 + depth_info.depth, node)
return stack.collapse()
def split_by_markers(xml):
"""Given an xml node, pull out triplets of
(marker, plain-text following, text-with-tags following)
for each subparagraph found"""
plain_text = tree_utils.get_node_text(xml, add_spaces=True).strip()
tagged_text = tree_utils.get_node_text_tags_preserved(xml).strip()
markers_list = get_markers(tagged_text, next_marker(xml))
plain_markers = ['({})'.format(mtypes.deemphasize(m))
for m in markers_list]
node_texts = tree_utils.split_text(plain_text, plain_markers)
tagged_texts = tree_utils.split_text(
tagged_text, ['({})'.format(m) for m in markers_list])
if len(node_texts) > len(markers_list): # due to initial MARKERLESS
markers_list.insert(0, mtypes.MARKERLESS)
return list(zip(markers_list, node_texts, tagged_texts))
def split_by_markers(xml):
"""Given an xml node, pull out triplets of
(marker, plain-text following, text-with-tags following)
for each subparagraph found"""
plain_text = tree_utils.get_node_text(xml, add_spaces=True).strip()
tagged_text = tree_utils.get_node_text_tags_preserved(xml).strip()
markers_list = get_markers(tagged_text, next_marker(xml))
plain_markers = ['({})'.format(mtypes.deemphasize(m))
for m in markers_list]
node_texts = tree_utils.split_text(plain_text, plain_markers)
tagged_texts = tree_utils.split_text(
tagged_text, ['({})'.format(m) for m in markers_list])
if len(node_texts) > len(markers_list): # due to initial MARKERLESS
markers_list.insert(0, mtypes.MARKERLESS)
return list(zip(markers_list, node_texts, tagged_texts))
def process(self, xml, root):
nodes = self.parse_nodes(xml)
intro_node, nodes = self.separate_intro(nodes)
if intro_node:
root.text = " ".join([root.text, intro_node.text]).strip()
# @todo - this is ugly. Make tagged_text a legitimate field on Node
tagged_text_list = []
if getattr(root, 'tagged_text', None):
tagged_text_list.append(root.tagged_text)
if getattr(intro_node, 'tagged_text', None):
tagged_text_list.append(intro_node.tagged_text)
if tagged_text_list:
root.tagged_text = ' '.join(tagged_text_list)
if nodes:
markers = [node.label[0] for node in nodes]
constraints = self.additional_constraints()
depths = derive_depths(markers, constraints)
if not depths:
logging.warning("Could not derive paragraph depths."
" Retrying with relaxed constraints.")
deemphasized_markers = [deemphasize(m) for m in markers]
constraints = self.relaxed_constraints()
depths = derive_depths(deemphasized_markers, constraints)
if not depths:
fails_at = debug_idx(markers, constraints)
logging.error(
"Could not determine paragraph depths (<%s /> %s):\n"
"%s\n"
"?? %s\n"
"Remaining markers: %s",
xml.tag, root.label_id(),
derive_depths(markers[:fails_at],
constraints)[0].pretty_str(),
markers[fails_at], markers[fails_at + 1:])
depths = self.select_depth(depths)
return self.build_hierarchy(root, nodes, depths)
else:
return root
