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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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country property
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"""
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# pylint: disable=no-member
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import babelfish
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from rebulk import Rebulk
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from ..common.words import COMMON_WORDS, iter_words
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def country():
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"""
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Builder for rebulk object.
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:return: Created Rebulk object
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:rtype: Rebulk
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"""
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rebulk = Rebulk().defaults(name='country')
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rebulk.functional(find_countries,
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# Prefer language and any other property over country if not US or GB.
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conflict_solver=lambda match, other: match
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if other.name != 'language' or match.value not in [babelfish.Country('US'),
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babelfish.Country('GB')]
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else other,
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properties={'country': [None]})
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return rebulk
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COUNTRIES_SYN = {'ES': ['españa'],
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'GB': ['UK'],
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'BR': ['brazilian', 'bra'],
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'CA': ['québec', 'quebec', 'qc'],
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# FIXME: this one is a bit of a stretch, not sure how to do it properly, though...
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'MX': ['Latinoamérica', 'latin america']}
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class GuessitCountryConverter(babelfish.CountryReverseConverter): # pylint: disable=missing-docstring
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def __init__(self):
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self.guessit_exceptions = {}
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for alpha2, synlist in COUNTRIES_SYN.items():
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for syn in synlist:
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self.guessit_exceptions[syn.lower()] = alpha2
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@property
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def codes(self): # pylint: disable=missing-docstring
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return (babelfish.country_converters['name'].codes |
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frozenset(babelfish.COUNTRIES.values()) |
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frozenset(self.guessit_exceptions.keys()))
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def convert(self, alpha2):
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if alpha2 == 'GB':
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return 'UK'
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return str(babelfish.Country(alpha2))
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def reverse(self, name): # pylint:disable=arguments-differ
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# exceptions come first, as they need to override a potential match
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# with any of the other guessers
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try:
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return self.guessit_exceptions[name.lower()]
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except KeyError:
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pass
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try:
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return babelfish.Country(name.upper()).alpha2
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except ValueError:
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pass
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for conv in [babelfish.Country.fromname]:
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try:
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return conv(name).alpha2
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except babelfish.CountryReverseError:
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pass
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raise babelfish.CountryReverseError(name)
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babelfish.country_converters['guessit'] = GuessitCountryConverter()
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def is_allowed_country(country_object, context=None):
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"""
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Check if country is allowed.
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"""
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if context and context.get('allowed_countries'):
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allowed_countries = context.get('allowed_countries')
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return country_object.name.lower() in allowed_countries or country_object.alpha2.lower() in allowed_countries
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return True
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def find_countries(string, context=None):
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"""
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Find countries in given string.
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"""
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ret = []
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for word_match in iter_words(string.strip().lower()):
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word = word_match.value
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if word.lower() in COMMON_WORDS:
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continue
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try:
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country_object = babelfish.Country.fromguessit(word)
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if is_allowed_country(country_object, context):
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ret.append((word_match.span[0], word_match.span[1], {'value': country_object}))
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except babelfish.Error:
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continue
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return ret
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