Files
libpostal/scripts/geodata/places/config.py

92 lines
3.4 KiB
Python

import copy
import os
import random
import six
import yaml
from collections import Mapping
from geodata.address_expansions.address_dictionaries import address_phrase_dictionaries
from geodata.configs.utils import nested_get, DoesNotExist, recursive_merge
from geodata.math.sampling import cdf, check_probability_distribution
from geodata.encoding import safe_encode
this_dir = os.path.realpath(os.path.dirname(__file__))
PLACE_CONFIG_FILE = os.path.join(this_dir, os.pardir, os.pardir, os.pardir,
'resources', 'places', 'countries', 'global.yaml')
class PlaceConfig(object):
def __init__(self, config_file=PLACE_CONFIG_FILE):
self.cache = {}
place_config = yaml.load(open(config_file))
self.global_config = place_config['global']
self.country_configs = {}
countries = place_config.pop('countries', {})
for k, v in six.iteritems(countries):
country_config = countries[k]
global_config_copy = copy.deepcopy(self.global_config)
self.country_configs[k] = recursive_merge(global_config_copy, country_config)
def get_property(self, key, country=None, default=None):
if isinstance(key, six.string_types):
key = key.split('.')
config = self.global_config
if country:
country_config = self.country_configs.get(country, {})
if country_config:
config = country_config
return nested_get(config, key, default=default)
def include_component(self, component, containing_ids, country=None):
containing = self.get_property(('components', component, 'containing'), country=country, default=None)
if containing is not None:
for c in containing:
if (c['type'], safe_encode(c['id'])) in containing_ids:
return random.random() < c['probability']
probability = self.get_property(('components', component, 'probability'), country=country, default=0.0)
return random.random() < probability
def drop_components(self, components, boundaries=(), country=None):
containing_ids = set()
for boundary in boundaries:
object_type = boundary.get('type')
object_id = safe_encode(boundary.get('id', ''))
containing_ids.add((object_type, object_id))
return {c: v for c, v in six.iteritems(components) if self.include_component(c, containing_ids, country=country)}
all_ids = set()
for component in components:
object_type = component.get('type')
object_id = safe_encode(component.get('id', ''))
all_ids.add((object_type, object_id))
for object_type, object_id in list(all_ids):
if (object_type, object_id) in self.omit_conditions:
conditions = self.omit_conditions[(object_type, object_id)]
if all_ids & conditions:
all_ids.remove((object_type, object_id))
if (object_type, object_id) in self.include_probabilities and random.random() > self.include_probabilities[(object_type, object_id)]:
all_ids.remove((object_type, object_id))
if len(all_ids) == len(components):
return components
return [c for c in components if (c.get('type'), safe_encode(c.get('id', ''))) in all_ids]
place_config = PlaceConfig()