71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
import os
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import re
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import six
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import yaml
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from geodata.encoding import safe_decode
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this_dir = os.path.realpath(os.path.dirname(__file__))
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AFFIX_CONFIG_DIR = os.path.join(this_dir, os.pardir, os.pardir, os.pardir,
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'resources', 'boundaries', 'names', 'languages')
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class NameAffixes(object):
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def __init__(self, config_dir=AFFIX_CONFIG_DIR):
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self.config_dir = config_dir
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self.language_prefixes = {}
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self.language_suffixes = {}
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self.language_prefix_regexes = {}
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self.language_suffix_regexes = {}
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for filename in os.listdir(config_dir):
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if not filename.endswith('.yaml'):
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continue
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lang = filename.rsplit('.yaml')[0]
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conf = yaml.load(open(os.path.join(config_dir, filename)))
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prefixes = [safe_decode(phrase).lower() for phrase in conf.get('prefixes', [])]
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prefixes_no_whitespace = [safe_decode(phrase).lower() for phrase in conf.get('prefixes_no_whitespace', [])]
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self.language_prefixes[lang] = prefixes + prefixes_no_whitespace
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suffixes = [safe_decode(phrase).lower() for phrase in conf.get('suffixes', [])]
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suffixes_no_whitespace = [safe_decode(phrase).lower() for phrase in conf.get('suffixes_no_whitespace', [])]
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self.language_suffixes[lang] = suffixes + suffixes_no_whitespace
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whitespace_phrase = six.u('[ \-]')
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all_prefixes = [six.u('{}{}').format(s, whitespace_phrase) for s in prefixes] + prefixes_no_whitespace
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all_suffixes = [six.u('{}{}').format(whitespace_phrase, s) for s in suffixes] + suffixes_no_whitespace
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prefix_regex = six.u('^(?:{})').format(six.u('|').join(all_prefixes))
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suffix_regex = six.u('(?:{})$').format(six.u('|').join(all_suffixes))
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self.language_prefix_regexes[lang] = re.compile(prefix_regex, re.I | re.UNICODE)
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self.language_suffix_regexes[lang] = re.compile(suffix_regex, re.I | re.UNICODE)
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def replace_prefixes(self, name, lang):
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name = safe_decode(name).strip()
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re = self.language_prefix_regexes.get(lang)
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if not re:
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return name
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return re.sub(six.u(''), name)
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def replace_suffixes(self, name, lang):
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name = safe_decode(name).strip()
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re = self.language_suffix_regexes.get(lang)
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if not re:
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return name
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return re.sub(six.u(''), name)
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name_affixes = NameAffixes()
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