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Modernise nonprojectivity tests and don't depend on models
This commit is contained in:
Ines Montani
parent
1a3984742c
commit
178c147612
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@ -1,137 +1,140 @@
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# coding: utf-8
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from __future__ import unicode_literals
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from ...syntax.nonproj import ancestors, contains_cycle, is_nonproj_arc
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from ...syntax.nonproj import is_nonproj_tree, PseudoProjectivity
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from ...attrs import DEP, HEAD
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from ..util import get_doc
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import pytest
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from spacy.attrs import DEP, HEAD
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import numpy
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from spacy.syntax.nonproj import ancestors, contains_cycle, is_nonproj_arc, is_nonproj_tree, PseudoProjectivity
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@pytest.fixture
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def tree():
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return [1, 2, 2, 4, 5, 2, 2]
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def test_ancestors():
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tree = [1,2,2,4,5,2,2]
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cyclic_tree = [1,2,2,4,5,3,2]
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partial_tree = [1,2,2,4,5,None,2]
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multirooted_tree = [3,2,0,3,3,7,7,3,7,10,7,10,11,12,18,16,18,17,12,3]
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assert([ a for a in ancestors(3,tree) ] == [4,5,2])
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assert([ a for a in ancestors(3,cyclic_tree) ] == [4,5,3,4,5,3,4])
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assert([ a for a in ancestors(3,partial_tree) ] == [4,5,None])
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assert([ a for a in ancestors(17,multirooted_tree) ] == [])
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@pytest.fixture
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def cyclic_tree():
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return [1, 2, 2, 4, 5, 3, 2]
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def test_contains_cycle():
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tree = [1,2,2,4,5,2,2]
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cyclic_tree = [1,2,2,4,5,3,2]
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partial_tree = [1,2,2,4,5,None,2]
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multirooted_tree = [3,2,0,3,3,7,7,3,7,10,7,10,11,12,18,16,18,17,12,3]
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assert(contains_cycle(tree) == None)
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assert(contains_cycle(cyclic_tree) == set([3,4,5]))
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assert(contains_cycle(partial_tree) == None)
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assert(contains_cycle(multirooted_tree) == None)
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@pytest.fixture
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def partial_tree():
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return [1, 2, 2, 4, 5, None, 7, 4, 2]
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def test_is_nonproj_arc():
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nonproj_tree = [1,2,2,4,5,2,7,4,2]
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partial_tree = [1,2,2,4,5,None,7,4,2]
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multirooted_tree = [3,2,0,3,3,7,7,3,7,10,7,10,11,12,18,16,18,17,12,3]
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assert(is_nonproj_arc(0,nonproj_tree) == False)
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assert(is_nonproj_arc(1,nonproj_tree) == False)
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assert(is_nonproj_arc(2,nonproj_tree) == False)
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assert(is_nonproj_arc(3,nonproj_tree) == False)
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assert(is_nonproj_arc(4,nonproj_tree) == False)
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assert(is_nonproj_arc(5,nonproj_tree) == False)
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assert(is_nonproj_arc(6,nonproj_tree) == False)
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assert(is_nonproj_arc(7,nonproj_tree) == True)
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assert(is_nonproj_arc(8,nonproj_tree) == False)
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assert(is_nonproj_arc(7,partial_tree) == False)
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assert(is_nonproj_arc(17,multirooted_tree) == False)
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assert(is_nonproj_arc(16,multirooted_tree) == True)
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@pytest.fixture
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def nonproj_tree():
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return [1, 2, 2, 4, 5, 2, 7, 4, 2]
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def test_is_nonproj_tree():
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proj_tree = [1,2,2,4,5,2,7,5,2]
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nonproj_tree = [1,2,2,4,5,2,7,4,2]
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partial_tree = [1,2,2,4,5,None,7,4,2]
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multirooted_tree = [3,2,0,3,3,7,7,3,7,10,7,10,11,12,18,16,18,17,12,3]
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assert(is_nonproj_tree(proj_tree) == False)
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assert(is_nonproj_tree(nonproj_tree) == True)
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assert(is_nonproj_tree(partial_tree) == False)
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assert(is_nonproj_tree(multirooted_tree) == True)
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@pytest.fixture
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def proj_tree():
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return [1, 2, 2, 4, 5, 2, 7, 5, 2]
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@pytest.fixture
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def multirooted_tree():
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return [3, 2, 0, 3, 3, 7, 7, 3, 7, 10, 7, 10, 11, 12, 18, 16, 18, 17, 12, 3]
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def deprojectivize(proj_heads, deco_labels, EN):
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slen = len(proj_heads)
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sent = EN.tokenizer.tokens_from_list(['whatever'] * slen)
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rel_proj_heads = [ head-i for i,head in enumerate(proj_heads) ]
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labelids = [ EN.vocab.strings[label] for label in deco_labels ]
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pairs = list(zip(rel_proj_heads,labelids))
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parse = numpy.asarray(pairs, dtype=numpy.int32)
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sent.from_array([HEAD,DEP],parse)
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PseudoProjectivity.deprojectivize(sent)
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parse = sent.to_array([HEAD,DEP])
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deproj_heads = [ i+head for i,head in enumerate(parse[:,0]) ]
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undeco_labels = [ EN.vocab.strings[int(labelid)] for labelid in parse[:,1] ]
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return deproj_heads, undeco_labels
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def test_parser_ancestors(tree, cyclic_tree, partial_tree, multirooted_tree):
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assert([a for a in ancestors(3, tree)] == [4, 5, 2])
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assert([a for a in ancestors(3, cyclic_tree)] == [4, 5, 3, 4, 5, 3, 4])
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assert([a for a in ancestors(3, partial_tree)] == [4, 5, None])
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assert([a for a in ancestors(17, multirooted_tree)] == [])
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@pytest.mark.models
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def test_pseudoprojectivity(EN):
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tree = [1,2,2]
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nonproj_tree = [1,2,2,4,5,2,7,4,2]
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labels = ['det','nsubj','root','det','dobj','aux','nsubj','acl','punct']
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nonproj_tree2 = [9,1,3,1,5,6,9,8,6,1,6,12,13,10,1]
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labels2 = ['advmod','root','det','nsubj','advmod','det','dobj','det','nmod','aux','nmod','advmod','det','amod','punct']
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assert(PseudoProjectivity.decompose('X||Y') == ('X','Y'))
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assert(PseudoProjectivity.decompose('X') == ('X',''))
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assert(PseudoProjectivity.is_decorated('X||Y') == True)
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assert(PseudoProjectivity.is_decorated('X') == False)
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PseudoProjectivity._lift(0,tree)
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assert(tree == [2,2,2])
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np_arc = PseudoProjectivity._get_smallest_nonproj_arc(nonproj_tree)
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assert(np_arc == 7)
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np_arc = PseudoProjectivity._get_smallest_nonproj_arc(nonproj_tree2)
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assert(np_arc == 10)
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proj_heads, deco_labels = PseudoProjectivity.projectivize(nonproj_tree,labels)
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assert(proj_heads == [1,2,2,4,5,2,7,5,2])
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assert(deco_labels == ['det','nsubj','root','det','dobj','aux','nsubj','acl||dobj','punct'])
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deproj_heads, undeco_labels = deprojectivize(proj_heads,deco_labels,EN)
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assert(deproj_heads == nonproj_tree)
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assert(undeco_labels == labels)
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proj_heads, deco_labels = PseudoProjectivity.projectivize(nonproj_tree2,labels2)
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assert(proj_heads == [1,1,3,1,5,6,9,8,6,1,9,12,13,10,1])
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assert(deco_labels == ['advmod||aux','root','det','nsubj','advmod','det','dobj','det','nmod','aux','nmod||dobj','advmod','det','amod','punct'])
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deproj_heads, undeco_labels = deprojectivize(proj_heads,deco_labels,EN)
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assert(deproj_heads == nonproj_tree2)
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assert(undeco_labels == labels2)
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# if decoration is wrong such that there is no head with the desired label
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# the structure is kept and the label is undecorated
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proj_heads = [1,2,2,4,5,2,7,5,2]
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deco_labels = ['det','nsubj','root','det','dobj','aux','nsubj','acl||iobj','punct']
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deproj_heads, undeco_labels = deprojectivize(proj_heads,deco_labels,EN)
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assert(deproj_heads == proj_heads)
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assert(undeco_labels == ['det','nsubj','root','det','dobj','aux','nsubj','acl','punct'])
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# if there are two potential new heads, the first one is chosen even if it's wrong
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proj_heads = [1,1,3,1,5,6,9,8,6,1,9,12,13,10,1]
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deco_labels = ['advmod||aux','root','det','aux','advmod','det','dobj','det','nmod','aux','nmod||dobj','advmod','det','amod','punct']
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deproj_heads, undeco_labels = deprojectivize(proj_heads,deco_labels,EN)
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assert(deproj_heads == [3,1,3,1,5,6,9,8,6,1,6,12,13,10,1])
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assert(undeco_labels == ['advmod','root','det','aux','advmod','det','dobj','det','nmod','aux','nmod','advmod','det','amod','punct'])
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def test_parser_contains_cycle(tree, cyclic_tree, partial_tree, multirooted_tree):
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assert(contains_cycle(tree) == None)
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assert(contains_cycle(cyclic_tree) == set([3, 4, 5]))
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assert(contains_cycle(partial_tree) == None)
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assert(contains_cycle(multirooted_tree) == None)
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def test_parser_is_nonproj_arc(nonproj_tree, partial_tree, multirooted_tree):
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assert(is_nonproj_arc(0, nonproj_tree) == False)
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assert(is_nonproj_arc(1, nonproj_tree) == False)
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assert(is_nonproj_arc(2, nonproj_tree) == False)
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assert(is_nonproj_arc(3, nonproj_tree) == False)
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assert(is_nonproj_arc(4, nonproj_tree) == False)
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assert(is_nonproj_arc(5, nonproj_tree) == False)
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assert(is_nonproj_arc(6, nonproj_tree) == False)
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assert(is_nonproj_arc(7, nonproj_tree) == True)
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assert(is_nonproj_arc(8, nonproj_tree) == False)
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assert(is_nonproj_arc(7, partial_tree) == False)
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assert(is_nonproj_arc(17, multirooted_tree) == False)
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assert(is_nonproj_arc(16, multirooted_tree) == True)
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def test_parser_is_nonproj_tree(proj_tree, nonproj_tree, partial_tree, multirooted_tree):
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assert(is_nonproj_tree(proj_tree) == False)
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assert(is_nonproj_tree(nonproj_tree) == True)
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assert(is_nonproj_tree(partial_tree) == False)
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assert(is_nonproj_tree(multirooted_tree) == True)
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def test_parser_pseudoprojectivity(en_tokenizer):
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def deprojectivize(proj_heads, deco_labels):
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tokens = en_tokenizer('whatever ' * len(proj_heads))
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rel_proj_heads = [head-i for i, head in enumerate(proj_heads)]
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doc = get_doc(tokens.vocab, [t.text for t in tokens], deps=deco_labels, heads=rel_proj_heads)
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PseudoProjectivity.deprojectivize(doc)
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return [t.head.i for t in doc], [token.dep_ for token in doc]
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tree = [1, 2, 2]
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nonproj_tree = [1, 2, 2, 4, 5, 2, 7, 4, 2]
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nonproj_tree2 = [9, 1, 3, 1, 5, 6, 9, 8, 6, 1, 6, 12, 13, 10, 1]
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labels = ['det', 'nsubj', 'root', 'det', 'dobj', 'aux', 'nsubj', 'acl', 'punct']
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labels2 = ['advmod', 'root', 'det', 'nsubj', 'advmod', 'det', 'dobj', 'det', 'nmod', 'aux', 'nmod', 'advmod', 'det', 'amod', 'punct']
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assert(PseudoProjectivity.decompose('X||Y') == ('X','Y'))
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assert(PseudoProjectivity.decompose('X') == ('X',''))
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assert(PseudoProjectivity.is_decorated('X||Y') == True)
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assert(PseudoProjectivity.is_decorated('X') == False)
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PseudoProjectivity._lift(0, tree)
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assert(tree == [2, 2, 2])
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assert(PseudoProjectivity._get_smallest_nonproj_arc(nonproj_tree) == 7)
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assert(PseudoProjectivity._get_smallest_nonproj_arc(nonproj_tree2) == 10)
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proj_heads, deco_labels = PseudoProjectivity.projectivize(nonproj_tree, labels)
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assert(proj_heads == [1, 2, 2, 4, 5, 2, 7, 5, 2])
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assert(deco_labels == ['det', 'nsubj', 'root', 'det', 'dobj', 'aux',
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'nsubj', 'acl||dobj', 'punct'])
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert(deproj_heads == nonproj_tree)
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assert(undeco_labels == labels)
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proj_heads, deco_labels = PseudoProjectivity.projectivize(nonproj_tree2, labels2)
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assert(proj_heads == [1, 1, 3, 1, 5, 6, 9, 8, 6, 1, 9, 12, 13, 10, 1])
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assert(deco_labels == ['advmod||aux', 'root', 'det', 'nsubj', 'advmod',
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'det', 'dobj', 'det', 'nmod', 'aux', 'nmod||dobj',
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'advmod', 'det', 'amod', 'punct'])
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert(deproj_heads == nonproj_tree2)
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assert(undeco_labels == labels2)
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# if decoration is wrong such that there is no head with the desired label
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# the structure is kept and the label is undecorated
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proj_heads = [1, 2, 2, 4, 5, 2, 7, 5, 2]
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deco_labels = ['det', 'nsubj', 'root', 'det', 'dobj', 'aux', 'nsubj',
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'acl||iobj', 'punct']
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert(deproj_heads == proj_heads)
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assert(undeco_labels == ['det', 'nsubj', 'root', 'det', 'dobj', 'aux',
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'nsubj', 'acl', 'punct'])
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# if there are two potential new heads, the first one is chosen even if
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# it's wrong
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proj_heads = [1, 1, 3, 1, 5, 6, 9, 8, 6, 1, 9, 12, 13, 10, 1]
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deco_labels = ['advmod||aux', 'root', 'det', 'aux', 'advmod', 'det',
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'dobj', 'det', 'nmod', 'aux', 'nmod||dobj', 'advmod',
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'det', 'amod', 'punct']
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert(deproj_heads == [3, 1, 3, 1, 5, 6, 9, 8, 6, 1, 6, 12, 13, 10, 1])
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assert(undeco_labels == ['advmod', 'root', 'det', 'aux', 'advmod', 'det',
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'dobj', 'det', 'nmod', 'aux', 'nmod', 'advmod',
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'det', 'amod', 'punct'])
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