200 lines
7.2 KiB
Python
200 lines
7.2 KiB
Python
import os
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import sys
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from collections import defaultdict
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this_dir = os.path.realpath(os.path.dirname(__file__))
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sys.path.append(os.path.realpath(os.path.join(this_dir, os.pardir, os.pardir)))
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from geodata.encoding import safe_encode, safe_decode
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ADDRESS_EXPANSIONS_DIR = os.path.join(this_dir, os.pardir, os.pardir, os.pardir,
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'resources', 'dictionaries')
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ADDRESS_HEADER_FILE = os.path.join(this_dir, os.pardir, os.pardir, os.pardir, 'src', 'address_expansion_rule.h')
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ADDRESS_DATA_FILE = os.path.join(this_dir, os.pardir, os.pardir, os.pardir, 'src', 'address_expansion_data.c')
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address_language_index_template = u'{{{language}, {index}, {length}}}'
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address_expansion_rule_template = u'{{{phrase}, {num_dictionaries}, {{{dictionaries}}}, {canonical_index}}}'
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address_expansion_rule_header_template = u'''
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#ifndef ADDRESS_EXPANSION_RULE_H
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#define ADDRESS_EXPANSION_RULE_H
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#include <stdlib.h>
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#include <stdint.h>
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#include "constants.h"
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#include "gazetteers.h"
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#define MAX_DICTIONARY_TYPES {max_dictionary_types}
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typedef struct address_expansion_rule {{
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char *phrase;
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uint32_t num_dictionaries;
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dictionary_type_t dictionaries[MAX_DICTIONARY_TYPES];
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int32_t canonical_index;
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}} address_expansion_rule_t;
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typedef struct address_language_index {{
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char language[MAX_LANGUAGE_LEN];
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uint32_t index;
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size_t len;
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}} address_language_index_t;
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#endif
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'''
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address_expansion_data_file_template = u'''
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char *canonical_strings[] = {{
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{canonical_strings}
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}};
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address_expansion_rule_t expansion_rules[] = {{
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{expansion_rules}
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}};
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address_language_index_t expansion_languages[] = {{
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{address_languages}
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}};
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'''
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gazetteer_types = {
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'academic_degrees': 'DICTIONARY_ACADEMIC_DEGREE',
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'ambiguous_expansions': 'DICTIONARY_AMBIGUOUS_EXPANSION',
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'building_types': 'DICTIONARY_BUILDING_TYPE',
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'company_types': 'DICTIONARY_COMPANY_TYPE',
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'concatenated_prefixes_separable': 'DICTIONARY_CONCATENATED_PREFIX_SEPARABLE',
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'concatenated_suffixes_inseparable': 'DICTIONARY_CONCATENATED_SUFFIX_INSEPARABLE',
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'concatenated_suffixes_separable': 'DICTIONARY_CONCATENATED_SUFFIX_SEPARABLE',
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'directionals': 'DICTIONARY_DIRECTIONAL',
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'elisions': 'DICTIONARY_ELISION',
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'given_names': 'DICTIONARY_GIVEN_NAME',
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'level_types': 'DICTIONARY_LEVEL',
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'no_number': 'DICTIONARY_NO_ADDRESS',
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'nulls': 'DICTIONARY_NULL',
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'organizations': 'DICTIONARY_NAMED_ORGANIZATION',
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'people': 'DICTIONARY_NAMED_PERSON',
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'personal_suffixes': 'DICTIONARY_PERSONAL_SUFFIX',
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'personal_titles': 'DICTIONARY_PERSONAL_TITLE',
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'place_names': 'DICTIONARY_PLACE_NAME',
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'post_office': 'DICTIONARY_POST_OFFICE',
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'qualifiers': 'DICTIONARY_QUALIFIER',
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'stopwords': 'DICTIONARY_STOPWORD',
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'street_types': 'DICTIONARY_STREET_TYPE',
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'surnames': 'DICTIONARY_SURNAME',
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'synonyms': 'DICTIONARY_SYNONYM',
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'toponyms': 'DICTIONARY_TOPONYM',
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'unit_types': 'DICTIONARY_UNIT',
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}
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class InvalidAddressFileException(Exception):
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pass
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def quote_string(s):
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return u'"{}"'.format(safe_decode(s).replace('\\', '\\\\').replace('"', '\\"'))
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def create_address_expansion_rules_file(base_dir=ADDRESS_EXPANSIONS_DIR, output_file=ADDRESS_DATA_FILE, header_file=ADDRESS_HEADER_FILE):
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address_languages = []
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expansion_rules = []
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canonical_strings = []
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max_dictionary_types = 0
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for language in os.listdir(base_dir):
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language_dir = os.path.join(base_dir, language)
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if not os.path.isdir(language_dir):
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continue
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num_language_rules = 0
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language_index = len(expansion_rules)
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language_canonical_dictionaries = defaultdict(list)
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canonical_indices = {}
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for filename in os.listdir(language_dir):
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dictionary_name = filename.rstrip('.txt').lower()
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if '.' in dictionary_name:
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raise InvalidAddressFileException(u'Invalid extension for file {}/{}, must be .txt'.format(language, filename))
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if dictionary_name not in gazetteer_types:
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raise InvalidAddressFileException(u'Invalid filename for file {}/{}. Must be one of {{{}}}'.format(language, filename, ', '.join(gazetteer_types)))
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dictionary_type = gazetteer_types[dictionary_name]
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f = open(os.path.join(language_dir, filename))
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for i, line in enumerate(f):
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line = safe_decode(line.rstrip())
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if not line.strip():
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continue
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if u'}' in line:
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raise InvalidAddressFileException(u'Found }} in file: {}/{}, line {}'.format(language, filename, i+1))
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phrases = line.split(u'|')
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if sum((1 for p in phrases if len(p.strip()) == 0)) > 0:
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raise InvalidAddressFileException(u'Found blank synonym in: {}/{}, line {}'.format(language, filename, i+1))
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canonical = phrases[0]
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if len(phrases) > 1:
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canonical_index = canonical_indices.get(canonical, None)
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if canonical_index is None:
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canonical_index = len(canonical_strings)
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canonical_strings.append(quote_string(canonical))
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canonical_indices[canonical] = canonical_index
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else:
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canonical_index = -1
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for i, p in enumerate(phrases):
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language_canonical_dictionaries[p, canonical_index if i > 0 else -1].append(dictionary_type)
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for (phrase, canonical_index), dictionary_types in language_canonical_dictionaries.iteritems():
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max_dictionary_types = max(max_dictionary_types, len(dictionary_types))
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rule_template = address_expansion_rule_template.format(phrase=quote_string(phrase),
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num_dictionaries=str(len(dictionary_types)),
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dictionaries=', '.join(dictionary_types),
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canonical_index=canonical_index)
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expansion_rules.append(rule_template)
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num_language_rules += 1
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address_languages.append(address_language_index_template.format(language=quote_string(language),
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index=language_index,
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length=num_language_rules))
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header = address_expansion_rule_header_template.format(
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max_dictionary_types=str(max_dictionary_types)
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)
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out = open(header_file, 'w')
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out.write(safe_encode(header))
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out.close()
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data_file = address_expansion_data_file_template.format(
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canonical_strings=u''',
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'''.join(canonical_strings),
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expansion_rules=u''',
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'''.join(expansion_rules),
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address_languages=u''',
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'''.join(address_languages),
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)
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out = open(output_file, 'w')
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out.write(safe_encode(data_file))
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out.close()
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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input_dir = sys.argv[1]
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else:
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input_dir = ADDRESS_EXPANSIONS_DIR
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create_address_expansion_rules_file(base_dir=input_dir, output_file=ADDRESS_DATA_FILE)
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