def extra_matching_crossing_miss(error, test_tree, shortest_error, ungrouped, to_group):
if shortest_error.node.span[1] == error.node.span[1]:
moving = []
mspan = shortest_error.node.span
cend = error.node.span[0]
while cend > mspan[0]:
brac = test_tree
done = False
while not done:
for subtree in brac.subtrees:
if cend == subtree.span[1] and subtree.span[0] >= mspan[0]:
moving.append(subtree)
done = True
cend = subtree.span[0]
break
if subtree.span[0] < cend <= subtree.span[1]:
brac = subtree
break
# move them across
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'incorrect'
group_fields['from parents'] = ''
### print
### print "Moving"
for node in moving:
group_fields['from parents'] += ' ' + node.parent.label
### print node
addendum = []
target = bracket_errors.get_extra_tree(error, test_tree)
target.extra = False
### print "To:", target
### print 'error is:', error
group_desc = 'attachment incorrect %s_instead_of_%s' % (moving[0].parent.label, target.label)
group_fields['to parent'] = target.label
single_child_parents = []
for node in moving:
parent = node.parent
node.parent.subtrees.remove(node)
# if the parent now has only one child, look into whether it should be deleted
if len(parent.subtrees) == 1:
if parent.label == parent.subtrees[0].label:
single_child_parents.append(parent)
target.subtrees.insert(0, node)
node.parent = target
addendum.append(node.label)
group_fields['nodes moving'] = ' '.join(addendum)
group_desc += ' ' + '_'.join(addendum)
test_tree.update_span()
for parent in single_child_parents:
if len(parent.subtrees) == 1:
if parent.subtrees[0].extra and parent.label == parent.subtrees[0].label:
eerror = bracket_errors.get_extra_error(ungrouped, parent.subtrees[0])
if eerror is not None:
repair_tree.repair_extra_node(eerror, test_tree)
to_group.append(eerror)
to_group.append(error)
to_group.append(shortest_error)
group_desc += ' |emcm1'
group_fields['ID'] = 'emcm1'
group_fields['old desc'] = group_desc
test_tree.check_consistency()
return group_fields, test_tree
return None, test_tree
def extra_multicrossing_starting(error, test_tree, to_group, starting, ungrouped, ctree):
'''Extra, then if there are crossing brackets that start here, and no
crossing bracket that ends at the same spot, the other thing under this
bracket has something that should have attached to it, but attached too high.
Consider what would happen if it had attached here and see what other errors
it fixes (ie this extra may now match with a missing bracket above)'''
### print error
### print ctree
# find the longest crossing missing bracket that starts here
start = starting.keys()[0]
cend = ctree.span[1]
crossing_errors = starting[start]
longest_error = None
for merror in crossing_errors:
if longest_error is None or longest_error.node.span[1] < merror.node.span[1]:
longest_error = merror
mspan = (cend, longest_error.node.span[1])
### print mspan
# find the set of missing brackets that end where that one ends
### print "Related missing:"
related_missing = []
for merror in ungrouped:
if merror.missing:
if merror.node.span[1] == longest_error.node.span[1]:
related_missing.append((merror.node.span, merror))
### print merror
related_missing.sort()
# find the set of extra brackets that end where this one ends
### print "Related extra:"
related_extra = []
for eerror in ungrouped:
if eerror.extra:
current_node = bracket_errors.get_extra_tree(eerror, test_tree)
if current_node.span[1] == ctree.span[1]:
related_extra.append((current_node.span, eerror))
### print current_node
### print eerror
related_extra.sort()
# find the lowest pairing
lowest = None
for pair in related_extra:
for mpair in related_missing:
if mpair[1].node.label == pair[1].node.label:
if mpair[1].node.span[0] == pair[1].node.span[0]:
lowest = pair[1]
break
if lowest is None:
return None, test_tree
### print lowest
# find all the parts that start in the missing bracket to be here
moving = []
while cend < mspan[1]:
brac = test_tree
done = False
while not done:
for subtree in brac.subtrees:
if cend == subtree.span[0]:
moving.append(subtree)
done = True
cend = subtree.span[1]
break
if subtree.span[0] < cend < subtree.span[1]:
brac = subtree
break
# move them across
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'too high'
group_fields['from parent'] = moving[0].parent.label
addendum = []
target = bracket_errors.get_extra_tree(lowest, test_tree)
group_desc = 'attachment too_high %s_instead_of_%s' % (moving[0].parent.label, target.label)
group_fields['to parent'] = target.label
single_child_parents = []
for node in moving:
parent = node.parent
parent.subtrees.remove(node)
# if the parent now has only one child, look into whether it should be deleted
if len(parent.subtrees) == 1:
if parent.label == parent.subtrees[0].label:
single_child_parents.append(parent)
target.subtrees.append(node)
node.parent = target
addendum.append(node.label)
group_fields['nodes moving'] = ' '.join(addendum)
group_desc += ' ' + '_'.join(addendum)
test_tree.update_span()
for parent in single_child_parents:
if len(parent.subtrees) == 1:
if parent.subtrees[0].extra and parent.label == parent.subtrees[0].label:
eerror = bracket_errors.get_extra_error(ungrouped, parent.subtrees[0])
repair_tree.repair_extra_node(eerror, test_tree)
to_group.append(eerror)
# attempt to repair the longest crossing error
if target == ctree:
if repair_tree.repair_missing_node(longest_error, test_tree, failure_expected=True):
to_group.append(longest_error)
group_desc += ' |emcs1'
group_fields['ID'] = 'emcs1'
group_fields['old desc'] = group_desc
return group_fields, test_tree
def extra_crossing_ending(error, test_tree, to_group, ending, ungrouped, ctree):
'''Extra, then if there is a crossing bracket that ends in the middle of
here, the other thing under this bracket is attaching too low. This could
explain a bunch of other errors. In particular, consider if the wrongly
attached thing was collapsed to 0, what would that fix (note that the extra
bracket may still be extra at this point, or may now be equivalent to a
msising bracket).'''
### print error
# work out what needs to move
end = ending.keys()[0]
crossing_errors = ending[end]
### for cerror in crossing_errors:
### print cerror
# Check the case of a matching missing bracket
### print error
### print ending
if len(ending[end]) == 1:
for merror in ungrouped:
if merror.missing and merror.node.label == error.node.label:
if merror.node.span[1] == error.node.span[1]:
if ending[end][0].node.span[0] == merror.node.span[0]:
# the other things should be moving under here!
### print merror
### print error
moving = []
target = bracket_errors.get_extra_tree(error, test_tree)
mspan = merror.node.span
cend = target.span[0]
while cend > mspan[0]:
brac = test_tree
done = False
while not done:
for subtree in brac.subtrees:
if cend == subtree.span[1] and subtree.span[0] >= mspan[0]:
moving.append(subtree)
done = True
cend = subtree.span[0]
break
if subtree.span[0] < cend <= subtree.span[1]:
brac = subtree
break
### print "Moving"
### for node in moving:
### print node
### print "To:"
### print target
# move them across
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'incorrect'
group_fields['from parents'] = ''
for node in moving:
group_fields['from parents'] += ' ' + node.parent.label
addendum = []
group_desc = 'attachment incorrect %s_instead_of_%s' % (moving[0].parent.label, target.label)
group_fields['to parent'] = target.label
single_child_parents = []
for node in moving:
parent = node.parent
parent.subtrees.remove(node)
# if the parent now has only one child, look into whether it should be deleted
if len(parent.subtrees) == 1:
if parent.label == parent.subtrees[0].label:
single_child_parents.append(parent)
target.subtrees.insert(0, node)
node.parent = target
addendum.insert(0, node.label)
group_fields['nodes moving'] = ' '.join(addendum)
group_desc += ' ' + '_'.join(addendum)
test_tree.update_span()
for parent in single_child_parents:
if len(parent.subtrees) == 1:
if parent.subtrees[0].extra and parent.label == parent.subtrees[0].label:
eerror = bracket_errors.get_extra_error(ungrouped, parent.subtrees[0])
repair_tree.repair_extra_node(eerror, test_tree)
to_group.append(eerror)
target.extra = False
if error not in to_group:
to_group.append(error)
to_group.append(merror)
group_desc += ' |ece2'
group_fields['ID'] = 'ece2'
group_fields['old desc'] = group_desc
test_tree.check_consistency()
return group_fields, test_tree
# work out where it is going to move to
# first find the longest crossing error
longest_error = None
for merror in crossing_errors:
if longest_error is None or merror.node.span[0] < longest_error.node.span[0]:
longest_error = merror
end = longest_error.node.span[1]
### print "getting movers from:", ctree
### print "after:", end, ctree.span
cend = end
moving = []
while cend < ctree.span[1]:
brac = test_tree
done = False
while not done:
for subtree in brac.subtrees:
if cend == subtree.span[0] and subtree.span[0] <= ctree.span[1]:
moving.append(subtree)
done = True
cend = subtree.span[1]
break
if subtree.span[0] <= cend < subtree.span[1]:
brac = subtree
break
### print "Moving:"
### for mover in moving:
### print mover
# then see how far up we can go to it
parent = ctree
while parent.span[1] == ctree.span[1]:
if parent.span[0] <= longest_error.node.span[0]:
break
parent = parent.parent
### print parent
# move the things up to this level
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'too low'
group_fields['from parent'] = ctree.label
group_fields['to parent'] = parent.label
group_fields['nodes moving'] = []
group_desc = 'attachment too_low %s_instead_of_%s' % (ctree.label, parent.label)
for pos in xrange(len(parent.subtrees)):
if parent.subtrees[pos].span[1] == ctree.span[1]:
for subtree in moving:
subtree.parent.subtrees.remove(subtree)
parent.subtrees.insert(pos + 1, subtree)
pos += 1
subtree.parent = parent
group_desc += ' ' + subtree.label
group_fields['nodes moving'].append(subtree.label)
break
group_fields['nodes moving'] = ' '.join(group_fields['nodes moving'])
# if only one thing is left behind, and its parent is extra, fix that
if len(ctree.subtrees) == 1:
for pos in xrange(len(ctree.parent.subtrees)):
if ctree.parent.subtrees[pos] == ctree:
for subtree in ctree.subtrees[::-1]:
ctree.parent.subtrees.insert(pos+1, subtree)
subtree.parent = ctree.parent
break
ctree.parent.subtrees.remove(ctree)
to_group.append(error)
test_tree.update_span()
# if possible, fix longest_error
left, right = -1, -1
for pos in xrange(len(parent.subtrees)):
if longest_error.node.span[0] == parent.subtrees[pos].span[0]:
left = pos
if longest_error.node.span[1] == parent.subtrees[pos].span[1]:
right = pos
if -1 < left < right:
repair_tree.repair_missing_node(longest_error, test_tree)
to_group.append(longest_error)
# other errors that are fixed as a side effect will be found by the cleanup stuff
group_desc += ' |ece1'
group_fields['ID'] = 'ece1'
group_fields['old desc'] = group_desc
return group_fields, test_tree
def extra_crossing_starting(error, test_tree, to_group, starting, ungrouped, ctree):
'''Extra, then if there is a crossing bracket that starts here, and no
crossing bracket that ends at the same spot, the other thing under this
bracket has something that should have attached to it, but attached too high.
Consider what would happen if it had attached here and see what other errors
it fixes (ie this extra may now match with a missing bracket above)'''
# find the longest crossing missing bracket that starts here
start = starting.keys()[0]
cend = ctree.span[1]
crossing_errors = starting[start]
longest_error = None
text = error.node.word_yield()
for merror in crossing_errors:
if longest_error is None or longest_error.node.span[1] < merror.node.span[1]:
longest_error = merror
mspan = (cend, longest_error.node.span[1])
# find all the parts that start in the missing bracket to be here
moving = []
while cend < mspan[1]:
brac = test_tree
done = False
while not done:
for subtree in brac.subtrees:
if cend == subtree.span[0]:
moving.append(subtree)
done = True
cend = subtree.span[1]
break
if subtree.span[0] < cend < subtree.span[1]:
brac = subtree
break
# move them across
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'too high'
group_fields['from parent'] = moving[0].parent.label
group_fields['to parent'] = longest_error.node.label
group_desc = 'attachment too_high %s_instead_of_%s' % (moving[0].parent.label, longest_error.node.label)
addendum = []
target = ctree
if ctree.subtrees[-1].extra:
if ctree.subtrees[-1].label == longest_error.node.label:
if ctree.subtrees[-1].span[0] == longest_error.node.span[0]:
target = ctree.subtrees[-1]
single_child_parents = []
for node in moving:
parent = node.parent
parent.subtrees.remove(node)
# if the parent now has only one child, look into whether it should be deleted
if len(parent.subtrees) == 1:
if parent.label == parent.subtrees[0].label:
single_child_parents.append(parent)
target.subtrees.append(node)
node.parent = target
addendum.append(node.label)
group_desc += ' ' + '_'.join(addendum)
group_fields['nodes moving'] = ' '.join(addendum)
test_tree.update_span()
for parent in single_child_parents:
if len(parent.subtrees) == 1:
if parent.subtrees[0].extra and parent.label == parent.subtrees[0].label:
eerror = bracket_errors.get_extra_error(ungrouped, parent.subtrees[0])
repair_tree.repair_extra_node(eerror, test_tree)
to_group.append(eerror)
# attempt to repair the longest crossing error
if target == ctree:
if repair_tree.repair_missing_node(longest_error, test_tree, failure_expected=True):
to_group.append(longest_error)
if error not in to_group:
to_group.append(error)
target.extra = False
group_desc += ' ' + text + ' |ecs1'
group_fields['ID'] = 'ecs1'
group_fields['old desc'] = group_desc
return group_fields, test_tree
def missing_with_matching_extra(error, test_tree, to_group, to_add, left, right, parent, ungrouped):
'''Missing, then if there is an equivalent extra above it, then the next
chunk of sentence is attaching too low. This one attachment mistake could
actually be causing a stack of errors, so we pull out the incorrectly
attached bits and see what else is fixed.'''
if left == 0:
# our missing bracket covers nodes starting on the left
end = error.node.span[1]
# take the rest out, and move them up to be beneath the next layer that is
# correct (not extra)
to_group.append(error)
eerror = bracket_errors.get_extra_error(ungrouped, parent)
if eerror is None:
print "Couldn't find match!"
for terror in ungrouped:
print terror
else:
to_group.append(eerror)
parent.extra = False
clevel = parent
parent = parent.parent
prev = clevel
### while parent.extra and parent.parent is not None:
### # check for crossing spans
### for oerror in ungrouped:
### if oerror.missing and oerror != error:
### if parent.parent.span[0] < oerror.node.span[0] < parent.parent.span[1]:
### break
### if parent.parent.span[0] < oerror.node.span[1] < parent.parent.span[1]:
### break
### if clevel.span[1] < parent.span[1]:
### break
### prev = parent
### parent = parent.parent
# pull out the node(s) down the bottom on the right
# move them up to the discovered level
group_fields = {}
group_fields['type'] = 'attachment'
group_fields['height'] = 'too low'
group_fields['from parent'] = clevel.label
group_fields['from left siblings'] = ''
for child in parent.subtrees:
if child == prev:
break
group_fields['from left siblings'] += ' ' + child.label
group_fields['to parent'] = parent.label
group_desc = 'attachment too_low %s_instead_of_%s' % (clevel.label, parent.label)
addendum = []
for pos in xrange(len(parent.subtrees)):
if clevel.span[1] <= parent.subtrees[pos].span[1]:
if clevel.span[1] == parent.subtrees[pos].span[1]:
pos = pos + 1
while len(clevel.subtrees) > right + 1:
node = clevel.subtrees.pop()
parent.subtrees.insert(pos, node)
node.parent = parent
addendum.insert(0, node.label)
break
group_fields['nodes moving'] = ' '.join(addendum)
group_desc += ' ' + '_'.join(addendum)
test_tree.update_span()
group_fields['ID'] = '|mwme1'
group_desc += ' |mwme1'
group_fields['old desc'] = group_desc
test_tree.check_consistency()
return group_fields, test_tree
elif right == len(parent.subtrees) - 1:
# our missing bracket is to the right
# if the extra is an NP and everthing under it is a word, NP internal structure
if parent.label == 'NP':
if parent.parent is not None:
if parent.parent.label == 'NP' and not parent.parent.extra:
all_words = True
for subtree in parent.subtrees:
if subtree.word is None:
all_words = False
break
if all_words:
group_fields = {}
group_fields['type'] = 'NP structure'
eerror = bracket_errors.get_extra_error(ungrouped, parent)
for merror in ungrouped:
if merror.node.span[0] >= parent.span[0]:
if merror.node.span[1] <= parent.span[1]:
if merror.missing:
to_group.append(merror)
repair_tree.repair_missing_node(merror, test_tree)
to_group.append(eerror)
repair_tree.repair_extra_node(eerror, test_tree)
test_tree.update_span()
group_fields['ID'] = '|mwme2'
group_fields['old desc'] = 'missing error NP structure |mwme2'
return group_fields, test_tree
# no other missing or extra brackets under this extra span
# attachment, give info
no_others = True
### print "Available:"
### for terror in ungrouped:
### print terror
eerror = bracket_errors.get_extra_error(ungrouped, parent)
for oerror in ungrouped:
if oerror.node.span[0] >= parent.span[0]:
if oerror.node.span[1] <= parent.span[1]:
if oerror != error and oerror != eerror:
no_others = False
break
if no_others:
group_fields = {}
group_fields['type'] = 'extra under bracket on right'
group_fields['parent'] = parent.label
group_fields['extra nodes'] = ''
group_fields['children'] = ''
for subtree in parent.subtrees:
if subtree.span[0] < error.node.span[0]:
group_fields['extra nodes'] += ' ' + subtree.label
elif subtree.span[1] < error.node.span[1]:
group_fields['children'] += ' ' + subtree.label
group_fields['ID'] = '|mwme3'
group_fields['old desc'] = 'extra under bracket on right |mwme3'
if error is not None:
to_group.append(error)
repair_tree.repair_missing_node(error, test_tree)
if eerror is not None:
to_group.append(eerror)
repair_tree.repair_extra_node(eerror, test_tree)
test_tree.update_span()
return group_fields, test_tree
else:
# our missing bracket is somewhere in the middle
pass
return None, test_tree
