def parse(cls, string):
"""Returns a Semantic object"""
string = string.replace(" ", "")
if "|" in string:
quant_str, string = string.split("|")
else:
quant_str, string = "", string
# Parse conjuncted relations
relations = []
while len(string) > 0:
relation, string = RelationParser.parse(string)
relations.append(relation)
sem = Semantics(relations)
# Parse any quantifiers
quantification_dict = QuantificationParser.parse(quant_str)
sem.quantification_dict = quantification_dict
return sem
def fromxml(cls, vn_class, xml, frame_num):
"""Returns a Frame object from the VerbNet XML representation"""
primary = xml.find("DESCRIPTION").attrib.get("primary", "")
secondary = xml.find("DESCRIPTION").attrib.get("secondary", "")
sem_dict = Semantics.semdict_fromxml(xml.find("SEMANTICS"))
# Need the order of np vars given in syntax for mapping to subst nodes
nps = xml.find("SYNTAX").findall("NP")
np_order = [np.attrib["value"] for np in nps]
sem_vars = [v for s in sem_dict.values() for v in s.variables()]
np_var_order = []
for np in np_order:
match = [v for v in sem_vars if v.orig_name == np]
if len(match) > 0 and not match[0].missing: # Ignore "?" variables
np_var_order.append(match[0])
example = xml.find("EXAMPLES").find("EXAMPLE").text.replace('"', '')
return Frame(vn_class, frame_num, primary, secondary, sem_dict, np_var_order, example)
