54 lines
2.3 KiB
Python
54 lines
2.3 KiB
Python
import random
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import six
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from geodata.addresses.config import address_config
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from geodata.addresses.numbering import NumberedComponent
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from geodata.encoding import safe_decode
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from geodata.configs.utils import nested_get
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from geodata.addresses.directions import RelativeDirection
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from geodata.addresses.floors import Floor
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from geodata.addresses.numbering import NumberedComponent, sample_alphabet, latin_alphabet
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from geodata.encoding import safe_decode
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from geodata.math.sampling import weighted_choice, zipfian_distribution, cdf
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class Staircase(NumberedComponent):
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max_staircases = 10
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staircase_range = range(1, max_staircases + 1)
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staircase_range_probs = zipfian_distribution(len(staircase_range), 2.0)
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staircase_range_cdf = cdf(staircase_range_probs)
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@classmethod
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def random(cls, language, country=None):
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num_type, num_type_props = cls.choose_alphanumeric_type('staircases.alphanumeric', language, country=country)
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if num_type is None:
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return None
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if num_type == cls.NUMERIC:
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number = weighted_choice(cls.staircase_range, cls.staircase_range_cdf)
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return safe_decode(number)
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else:
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alphabet = address_config.get_property('alphabet', language, country=country, default=latin_alphabet)
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letter = sample_alphabet(alphabet, 2.0)
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if num_type == cls.ALPHA:
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return safe_decode(letter)
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else:
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number = weighted_choice(cls.staircase_range, cls.staircase_range_cdf)
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whitespace_probability = float(num_type_props.get('whitespace_probability', 0.0))
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whitespace_phrase = six.u(' ') if whitespace_probability and random.random() < whitespace_probability else six.u('')
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if num_type == cls.ALPHA_PLUS_NUMERIC:
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return six.u('{}{}{}').format(letter, whitespace_phrase, number)
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elif num_type == cls.NUMERIC_PLUS_ALPHA:
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return six.u('{}{}{}').format(number, whitespace_phrase, letter)
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@classmethod
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def phrase(cls, staircase, language, country=None):
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if staircase is None:
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return None
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return cls.numeric_phrase('staircases.alphanumeric', staircase, language,
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dictionaries=['staircases'], country=country)
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