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246 lines
10 KiB
246 lines
10 KiB
import lxml.etree as lxml
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import re
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import sys
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from conversion_utils.utils import xpath_find, get_xml_id
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LEXEME_FEATURE_MAP = {'noun':{1,2},
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'verb':{1,2},
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'adjective':{1},
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'adverb':{1},
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'pronoun':{1,2,6,7,8},
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'numeral':{1,2},
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'preposition':{1},
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'conjunction':{1},
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'particle':set(),
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'interjection':set(),
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'abbreviation':set(),
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'residual':{1},
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'punctuation':set()}
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LEVEL_EXCEPTIONS = {('pronoun', 2, 'čezme'), ('zaimek', 2, 'čezme'),
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('pronoun', 2, 'medme'), ('zaimek', 2, 'medme'),
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('pronoun', 2, 'nadme'), ('zaimek', 2, 'nadme'),
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('pronoun', 2, 'name'), ('zaimek', 2, 'name'),
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('pronoun', 2, 'obme'), ('zaimek', 2, 'obme'),
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('pronoun', 2, 'podme'), ('zaimek', 2, 'podme'),
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('pronoun', 2, 'pome'), ('zaimek', 2, 'pome'),
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('pronoun', 2, 'predme'), ('zaimek', 2, 'predme'),
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('pronoun', 2, 'skozme'), ('zaimek', 2, 'skozme'),
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('pronoun', 2, 'vame'), ('zaimek', 2, 'vame'),
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('pronoun', 2, 'zame'), ('zaimek', 2, 'zame'),
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('pronoun', 3, 'tadva'), ('zaimek', 3, 'tadva'),
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('pronoun', 4, 'tadva'), ('zaimek', 4, 'tadva'),
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('pronoun', 5, 'čezme'), ('zaimek', 5, 'čezme'),
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('pronoun', 5, 'medme'), ('zaimek', 5, 'medme'),
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('pronoun', 5, 'nadme'), ('zaimek', 5, 'nadme'),
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('pronoun', 5, 'name'), ('zaimek', 5, 'name'),
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('pronoun', 5, 'obme'), ('zaimek', 5, 'obme'),
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('pronoun', 5, 'podme'), ('zaimek', 5, 'podme'),
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('pronoun', 5, 'pome'), ('zaimek', 5, 'pome'),
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('pronoun', 5, 'predme'), ('zaimek', 5, 'predme'),
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('pronoun', 5, 'skozme'), ('zaimek', 5, 'skozme'),
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('pronoun', 5, 'vame'), ('zaimek', 5, 'vame'),
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('pronoun', 5, 'zame'), ('zaimek', 5, 'zame'),
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('pronoun', 7, 'njegov'), ('zaimek', 7, 'njegov'),
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('pronoun', 8, 'jaz'), ('zaimek', 8, 'jaz'),
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('pronoun', 8, 'on'), ('zaimek', 8, 'on'),
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('pronoun', 8, 'se'), ('zaimek', 8, 'se'),
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('pronoun', 8, 'ti'), ('zaimek', 8, 'ti')}
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class Specifications:
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def __init__(self, *categories):
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self.categories = list(categories)
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def add_category(self, category):
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self.categories.append(category)
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def find_category_by_code(self, char, language):
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return next((category for category in self.categories if category.codes.get(language) == char), None)
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def find_category_by_name(self, name, language):
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return next((category for category in self.categories if category.names.get(language) == name), None)
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def __str__(self):
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return 'categories:{categories}'.format(categories=self.categories)
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class Pair:
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def __init__(self, en, sl):
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self.en = en
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self.sl = sl
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def get(self, language):
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return getattr(self, language)
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def __str__(self):
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return 'en:{en}, sl:{sl}'.format(en=self.en, sl=self.sl)
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class Category:
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def __init__(self, names, codes, *features):
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self.names = names
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self.codes = codes
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self.features = list(features)
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def add_feature(self, feature):
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self.features.append(feature)
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def find_feature_by_position(self, position):
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return next((feature for feature in self.features if feature.position == position), None)
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def find_feature_by_name(self, name, language):
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return next((feature for feature in self.features if feature.names.get(language) == name), None)
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def __str__(self):
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return 'names:{names}, codes:{codes}, features:{features}'.\
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format(strings=self.names, chars=self.codes, features=self.features)
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class Feature:
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def __init__(self, names, position, lexeme_level_flag, *values):
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self.names = names
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self.position = position
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self.lexeme_level_flag = lexeme_level_flag
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self.values = list(values)
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def add_value(self, value):
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self.values.append(value)
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def find_value_by_char(self, char, language):
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return next((value for value in self.values if value.codes.get(language) == char), None)
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def find_value_by_name(self, name, language):
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return next((value for value in self.values if value.names.get(language) == name), None)
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def __str__(self):
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return 'names:{names}, position:{position}, level:{level}, values:{values}'.\
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format(strings=self.names, position=self.position, level='level' if self.lexeme_level_flag else 'form', values=self.values)
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class Value:
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def __init__(self, names, codes):
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self.codes = codes
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self.names = names
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def __str__(self):
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return 'codes:{codes}, names:{names}'.\
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format(codes=self.codes, names=self.names)
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class SpecificationsBuilder:
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def build(self, file_name):
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root = lxml.parse(file_name).getroot()
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specifications = Specifications()
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div_elements = xpath_find(root, 'tei:div')
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for div_element in div_elements:
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if (re.match(r'^msd\..-sl', get_xml_id(div_element))):
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category_element = xpath_find(div_element, 'tei:table/tei:row[@role="type"]')[0]
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category_names = self.get_cell_pair(category_element, 'value')
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category_codes = self.get_cell_pair(category_element, 'code')
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category = Category(category_names, category_codes)
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specifications.add_category(category)
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feature_elements = xpath_find(div_element, 'tei:table/tei:row[@role="attribute"]')
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for feature_element in feature_elements:
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feature_names = self.get_cell_pair(feature_element, 'name')
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feature_position = int(self.get_cell(feature_element, 'position'))
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lexeme_level_flag = feature_position in LEXEME_FEATURE_MAP[category_names.get('en')]
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feature = Feature(feature_names, feature_position, lexeme_level_flag)
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category.add_feature(feature)
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value_elements = xpath_find(feature_element, 'tei:cell[@role="values"]/tei:table/tei:row[@role="value"]')
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for value_element in value_elements:
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value_codes = self.get_cell_pair(value_element, 'name')
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value_names = self.get_cell_pair(value_element, 'code')
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value = Value(value_codes, value_names)
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feature.add_value(value)
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return specifications
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def get_cell(self, row, role, language=None):
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language_condition = ' and @xml:lang="' + language + '"' if language is not None else ''
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expression = 'tei:cell[@role="' + role + '"' + language_condition + ']'
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text = xpath_find(row, expression)[0].text.lower()
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if (text == 'adposition'): text = 'preposition'
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return text
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def get_cell_pair(self, row, role):
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return Pair(self.get_cell(row, role, 'en'), self.get_cell(row, role, 'sl'))
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class Properties:
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def __init__(self, category, lexeme_feature_map, form_feature_map, language):
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self.category = category
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self.lexeme_feature_map = lexeme_feature_map
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self.form_feature_map = form_feature_map
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self.language = language
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def __str__(self):
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return 'language={language}, category={category}, lexeme features={lexeme_features}, form_features={form_features}'.\
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format(language=self.language, category=self.category, lexeme_features=str(self.lexeme_feature_map), form_features=str(self.form_feature_map))
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class Msd:
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def __init__(self, code, language):
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self.code = code
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self.language = language
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def __str__(self):
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return 'code={code}, language={language}'.format(code=self.code, language=self.language)
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class Converter:
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def __init__(self, specifications):
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self.specifications = specifications
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def msd_to_properties(self, msd, lemma, properties_language):
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category_char = msd.code[0].lower()
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value_chars = msd.code[1:]
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category = self.specifications.find_category_by_code(category_char, msd.language)
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category_name = category.names.get(properties_language)
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feature_value_list = []
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lexeme_feature_map = {}
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form_feature_map = {}
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for (index, value_char) in enumerate(value_chars, start=1):
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if (value_char != '-'):
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feature = category.find_feature_by_position(index)
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value = feature.find_value_by_char(value_char, msd.language)
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feature_name = feature.names.get(properties_language)
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feature_value = value.names.get(properties_language)
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level_exception_flag = (category_name, feature.position, lemma) in LEVEL_EXCEPTIONS
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lexeme_level_flag = feature.lexeme_level_flag if not level_exception_flag else not feature.lexeme_level_flag
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feature_value_list.append((feature, value))
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if (lexeme_level_flag):
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lexeme_feature_map[feature_name] = feature_value
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else:
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form_feature_map[feature_name] = feature_value
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return Properties(category_name, lexeme_feature_map, form_feature_map, properties_language)
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def properties_to_msd(self, properties, msd_language):
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category = self.specifications.find_category_by_name(properties.category, properties.language)
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category_char = category.codes.get(msd_language).upper()
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feature_map = properties.lexeme_feature_map.copy()
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feature_map.update(properties.form_feature_map.copy())
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position_map = {}
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for (name, value) in feature_map.items():
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feature = category.find_feature_by_name(name, properties.language)
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value = feature.find_value_by_name(value, properties.language)
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position_map[feature.position] = value.codes.get(msd_language)
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msd_code = category_char
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i = 0
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for position in sorted(position_map.keys()):
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i += 1
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while (i < position):
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msd_code += '-'
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i += 1
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msd_code += position_map[position]
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return Msd(msd_code, msd_language)
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