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Implemented specifications parse and msd->properties conversion

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multiple_files_conllu_to_tei
Cyprian Laskowski 3 years ago
parent 0669f68a8d
commit 458b49e7ac
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.gitignore vendored
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*.pyc
venv

192
conversion_utils/jos_msds_and_properties.py
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import lxml.etree as lxml
import re
import sys
from conversion_utils.utils import xpath_find, get_xml_id
LANGUAGE_INDEX_MAP = {'en':0, 'sl':1}
LEXEME_FEATURE_MAP = {'noun':{1,2},
'verb':{1,2},
'adjective':{1},
'adverb':{1},
'pronoun':{1,2,6,7,8},
'numeral':{1,2},
'preposition':{1},
'conjunction':{1},
'particle':set(),
'interjection':set(),
'abbreviation':set(),
'residual':{1},
'punctuation':set()}
LEVEL_EXCEPTIONS = {('pronoun', 2, 'čezme'),
('pronoun', 2, 'medme'),
('pronoun', 2, 'nadme'),
('pronoun', 2, 'name'),
('pronoun', 2, 'obme'),
('pronoun', 2, 'podme'),
('pronoun', 2, 'pome'),
('pronoun', 2, 'predme'),
('pronoun', 2, 'skozme'),
('pronoun', 2, 'vame'),
('pronoun', 2, 'zame'),
('pronoun', 3, 'tadva'),
('pronoun', 4, 'tadva'),
('pronoun', 5, 'čezme'),
('pronoun', 5, 'medme'),
('pronoun', 5, 'nadme'),
('pronoun', 5, 'name'),
('pronoun', 5, 'obme'),
('pronoun', 5, 'podme'),
('pronoun', 5, 'pome'),
('pronoun', 5, 'predme'),
('pronoun', 5, 'skozme'),
('pronoun', 5, 'vame'),
('pronoun', 5, 'zame'),
('pronoun', 7, 'njegov'),
('pronoun', 8, 'jaz'),
('pronoun', 8, 'on'),
('pronoun', 8, 'se'),
('pronoun', 8, 'ti')}
class Specifications:
def __init__(self, *categories):
self.categories = list(categories)
def add_category(self, category):
self.categories.append(category)
def find_category(self, char, language_index):
return next((category for category in self.categories if category.char_pair[language_index] == char), None)
def __str__(self):
return 'categories:{categories}'.format(categories=self.categories)
class Category:
def __init__(self, string_pair, char_pair, *features):
self.string_pair = string_pair
self.char_pair = char_pair
self.features = list(features)
def add_feature(self, feature):
self.features.append(feature)
def find_feature(self, position):
return next((feature for feature in self.features if feature.position == position), None)
def __str__(self):
return 'strings:{strings}, chars:{chars}, features:{features}'.\
format(strings=self.string_pair, chars=self.char_pair, features=self.features)
class Feature:
def __init__(self, string_pair, position, lexeme_level_flag, *values):
self.string_pair = string_pair
self.position = position
self.lexeme_level_flag = lexeme_level_flag
self.values = list(values)
def add_value(self, value):
self.values.append(value)
def find_value(self, char, language_index):
return next((value for value in self.values if value.char_pair[language_index] == char), None)
def __str__(self):
return 'strings:{strings}, position:{position}, level:{level}, values:{values}'.\
format(strings=self.string_pair, position=self.position, level='level' if self.lexeme_level_flag else 'form', values=self.values)
class Value:
def __init__(self, string_pair, char_pair):
self.char_pair = char_pair
self.string_pair = string_pair
def __str__(self):
return 'chars:{chars}, strings:{strings}'.\
format(chars=self.char_pair, strings=self.strings_pair)
class SpecificationsBuilder:
def build(self, file_name):
root = lxml.parse(file_name).getroot()
specifications = Specifications()
div_elements = xpath_find(root, 'tei:div')
for div_element in div_elements:
if (re.match(r'^msd\..-sl', get_xml_id(div_element))):
category_element = xpath_find(div_element, 'tei:table/tei:row[@role="type"]')[0]
category_string_pair = self.get_cell_pair(category_element, 'value')
category_char_pair = self.get_cell_pair(category_element, 'code')
category = Category(category_string_pair, category_char_pair)
specifications.add_category(category)
feature_elements = xpath_find(div_element, 'tei:table/tei:row[@role="attribute"]')
for feature_element in feature_elements:
feature_string_pair = self.get_cell_pair(feature_element, 'name')
feature_position = int(self.get_cell(feature_element, 'position'))
lexeme_level_flag = feature_position in LEXEME_FEATURE_MAP[category_string_pair[0]]
feature = Feature(feature_string_pair, feature_position, lexeme_level_flag)
category.add_feature(feature)
value_elements = xpath_find(feature_element, 'tei:cell[@role="values"]/tei:table/tei:row[@role="value"]')
for value_element in value_elements:
value_char_pair = self.get_cell_pair(value_element, 'name')
value_string_pair = self.get_cell_pair(value_element, 'code')
value = Value(value_char_pair, value_string_pair)
feature.add_value(value)
return specifications
def get_cell(self, row, role, language=None):
language_condition = ' and @xml:lang="' + language + '"' if language is not None else ''
expression = 'tei:cell[@role="' + role + '"' + language_condition + ']'
text = xpath_find(row, expression)[0].text.lower()
if (text == 'adposition'): text = 'preposition'
return text
def get_cell_pair(self, row, role):
return (self.get_cell(row, role, 'en'), self.get_cell(row, role, 'sl'))
class Properties:
def __init__(self, lemma, category, feature_value_list, language_index):
self.language = next(l for (l, i) in LANGUAGE_INDEX_MAP.items() if i == language_index)
self.category = category.string_pair[language_index]
self.lexeme_feature_map = {}
self.form_feature_map = {}
for (feature, value) in feature_value_list:
feature_name = feature.string_pair[language_index]
feature_value = value.string_pair[language_index]
level_exception_flag = (category.string_pair[0], feature.position, lemma) in LEVEL_EXCEPTIONS
lexeme_level_flag = feature.lexeme_level_flag if not level_exception_flag else not feature.lexeme_level_flag
if (lexeme_level_flag):
self.lexeme_feature_map[feature_name] = feature_value
else:
self.form_feature_map[feature_name] = feature_value
def __str__(self):
return 'language={language}, category={category}, lexeme features={lexeme_features}, form_features={form_features}'.\
format(language=self.language, category=self.category, lexeme_features=str(self.lexeme_feature_map), form_features=str(self.form_feature_map))
class MsdToProperties:
def convert(self, specifications, lemma, msd, msd_language, properties_language):
msd_language_index = LANGUAGE_INDEX_MAP[msd_language]
properties_language_index = LANGUAGE_INDEX_MAP[properties_language]
category_char = msd[0].lower()
value_chars = msd[1:]
category = specifications.find_category(category_char, msd_language_index)
feature_value_list = []
for (index, value_char) in enumerate(value_chars, start=1):
if (value_char != '-'):
feature = category.find_feature(index)
value = feature.find_value(value_char, msd_language_index)
feature_value_list.append((feature, value))
return Properties(lemma, category, feature_value_list, properties_language_index)

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conversion_utils/utils.py
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TEI_NAMESPACE = 'http://www.tei-c.org/ns/1.0'
XML_ID_ATTRIBUTE_NAME = '{http://www.w3.org/XML/1998/namespace}id'
def xpath_find(element,expression):
"""Executes XPath expression, with TEI namespace."""
return element.xpath(expression, namespaces={'tei':TEI_NAMESPACE})
def get_xml_id(element):
"""Returns the element's @xml:id attribute."""
return element.get(XML_ID_ATTRIBUTE_NAME)

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resources/msd-sl.spc.xml
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tests/__init__.py
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tests/test_jos_msd_to_properties.py
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import os.path
import lxml.etree as lxml
import unittest
from conversion_utils.jos_msds_and_properties import SpecificationsBuilder, MsdToProperties
class JosMsdToPropertiesTestCase(unittest.TestCase):
def setUp(self):
specifications_file_name = os.path.join(os.path.dirname(__file__), '../resources/msd-sl.spc.xml')
builder = SpecificationsBuilder()
self.specifications = builder.build(specifications_file_name)
self.converter = MsdToProperties()
def test_en_en(self):
properties = self.converter.convert(self.specifications, 'miza', 'Ncfpd', 'en', 'en')
self.assertEqual(properties.language, 'en')
self.assertEqual(properties.category, 'noun')
self.assertEqual(properties.lexeme_feature_map, {'type':'common', 'gender':'feminine'})
self.assertEqual(properties.form_feature_map, {'number':'plural', 'case':'dative'})
def test_en_sl(self):
properties = self.converter.convert(self.specifications, 'miza', 'Ncfpd', 'en', 'sl')
self.assertEqual(properties.language, 'sl')
self.assertEqual(properties.category, 'samostalnik')
self.assertEqual(properties.lexeme_feature_map, {'vrsta':'občno_ime', 'spol':'ženski'})
self.assertEqual(properties.form_feature_map, {'število':'množina', 'sklon':'dajalnik'})
def test_sl_en(self):
properties = self.converter.convert(self.specifications, 'miza', 'Sozmd', 'sl', 'en')
self.assertEqual(properties.language, 'en')
self.assertEqual(properties.category, 'noun')
self.assertEqual(properties.lexeme_feature_map, {'type':'common', 'gender':'feminine'})
self.assertEqual(properties.form_feature_map, {'number':'plural', 'case':'dative'})
def test_sl_sl(self):
properties = self.converter.convert(self.specifications, 'miza', 'Sozmd', 'sl', 'sl')
self.assertEqual(properties.language, 'sl')
self.assertEqual(properties.category, 'samostalnik')
self.assertEqual(properties.lexeme_feature_map, {'vrsta':'občno_ime', 'spol':'ženski'})
self.assertEqual(properties.form_feature_map, {'število':'množina', 'sklon':'dajalnik'})
def test_exception_feature_level(self): # testing level exception: ('pronoun', 8, 'ti')
properties = self.converter.convert(self.specifications, 'ti', 'Pp2-sd--y', 'en', 'sl')
self.assertEqual(properties.language, 'sl')
self.assertEqual(properties.category, 'zaimek')
self.assertEqual(properties.lexeme_feature_map, {'vrsta':'osebni', 'oseba':'druga'})
self.assertEqual(properties.form_feature_map, {'število':'ednina', 'sklon':'dajalnik', 'naslonskost':'klitična'})
def test_normal_feature_level(self): # invalid msd, but useful for testing contrast with previous test
properties = self.converter.convert(self.specifications, 'vi', 'Pp2-pd--y', 'en', 'sl')
self.assertEqual(properties.language, 'sl')
self.assertEqual(properties.category, 'zaimek')
self.assertEqual(properties.lexeme_feature_map, {'vrsta':'osebni', 'oseba':'druga', 'naslonskost':'klitična'})
self.assertEqual(properties.form_feature_map, {'število':'množina', 'sklon':'dajalnik'})
def test_featureless(self):
properties = self.converter.convert(self.specifications, 'in', 'V', 'sl', 'en')
self.assertEqual(properties.language, 'en')
self.assertEqual(properties.category, 'conjunction')
self.assertEqual(properties.lexeme_feature_map, {})
self.assertEqual(properties.form_feature_map, {})
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