"""
Functions for importing and managing static country information.
"""
+from typing import Dict, Any, Iterable, Tuple, Optional, Container
+from pathlib import Path
import psycopg2.extras
from nominatim.db import utils as db_utils
-from nominatim.db.connection import connect
+from nominatim.db.connection import connect, Connection
from nominatim.errors import UsageError
+from nominatim.config import Configuration
+from nominatim.tokenizer.base import AbstractTokenizer
-def _flatten_name_list(names):
+def _flatten_name_list(names: Any) -> Dict[str, str]:
if names is None:
return {}
""" Caches country-specific properties from the configuration file.
"""
- def __init__(self):
- self._info = {}
+ def __init__(self) -> None:
+ self._info: Dict[str, Dict[str, Any]] = {}
- def load(self, config):
+ def load(self, config: Configuration) -> None:
""" Load the country properties from the configuration files,
if they are not loaded yet.
"""
prop['names'] = _flatten_name_list(prop.get('names'))
- def items(self):
+ def items(self) -> Iterable[Tuple[str, Dict[str, Any]]]:
""" Return tuples of (country_code, property dict) as iterable.
"""
return self._info.items()
- def get(self, country_code):
+ def get(self, country_code: str) -> Dict[str, Any]:
""" Get country information for the country with the given country code.
"""
return self._info.get(country_code, {})
_COUNTRY_INFO = _CountryInfo()
-def setup_country_config(config):
+def setup_country_config(config: Configuration) -> None:
""" Load country properties from the configuration file.
Needs to be called before using any other functions in this
file.
_COUNTRY_INFO.load(config)
-def iterate(prop=None):
+def iterate(prop: Optional[str] = None) -> Iterable[Tuple[str, Dict[str, Any]]]:
""" Iterate over country code and properties.
When `prop` is None, all countries are returned with their complete
return ((c, p[prop]) for c, p in _COUNTRY_INFO.items() if prop in p)
-def setup_country_tables(dsn, sql_dir, ignore_partitions=False):
+def setup_country_tables(dsn: str, sql_dir: Path, ignore_partitions: bool = False) -> None:
""" Create and populate the tables with basic static data that provides
the background for geocoding. Data is assumed to not yet exist.
"""
if ignore_partitions:
partition = 0
else:
- partition = props.get('partition')
+ partition = props.get('partition', 0)
lang = props['languages'][0] if len(
props['languages']) == 1 else None
conn.commit()
-def create_country_names(conn, tokenizer, languages=None):
+def create_country_names(conn: Connection, tokenizer: AbstractTokenizer,
+ languages: Optional[Container[str]] = None) -> None:
""" Add default country names to search index. `languages` is a comma-
separated list of language codes as used in OSM. If `languages` is not
empty then only name translations for the given languages are added
to the index.
"""
- def _include_key(key):
+ def _include_key(key: str) -> bool:
return ':' not in key or not languages or \
key[key.index(':') + 1:] in languages
Wrapper around place information the indexer gets from the database and hands to
the tokenizer.
"""
+from typing import Optional, Mapping, Any
class PlaceInfo:
""" Data class containing all information the tokenizer gets about a
place it should process the names for.
"""
- def __init__(self, info):
+ def __init__(self, info: Mapping[str, Any]) -> None:
self._info = info
@property
- def name(self):
+ def name(self) -> Optional[Mapping[str, str]]:
""" A dictionary with the names of the place or None if the place
has no names.
"""
@property
- def address(self):
+ def address(self) -> Optional[Mapping[str, str]]:
""" A dictionary with the address elements of the place
or None if no address information is available.
"""
@property
- def country_code(self):
+ def country_code(self) -> Optional[str]:
""" The country code of the country the place is in. Guaranteed
to be a two-letter lower-case string or None, if no country
could be found.
@property
- def rank_address(self):
+ def rank_address(self) -> int:
""" The computed rank address before rank correction.
"""
- return self._info.get('rank_address')
+ return self._info.get('rank_address', 0)
- def is_a(self, key, value):
+ def is_a(self, key: str, value: str) -> bool:
""" Check if the place's primary tag corresponds to the given
key and value.
"""
return self._info.get('class') == key and self._info.get('type') == value
- def is_country(self):
+ def is_country(self) -> bool:
""" Check if the place is a valid country boundary.
"""
return self.rank_address == 4 \