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https://github.com/osm-search/Nominatim.git
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df65c10360
Currently only looks places up in placex.
92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2023 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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Complex datatypes used by the Nominatim API.
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"""
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from typing import Optional, Union, NamedTuple
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import dataclasses
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import enum
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@dataclasses.dataclass
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class PlaceID:
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""" Reference an object by Nominatim's internal ID.
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"""
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place_id: int
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@dataclasses.dataclass
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class OsmID:
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""" Reference by the OSM ID and potentially the basic category.
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"""
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osm_type: str
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osm_id: int
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osm_class: Optional[str] = None
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def __post_init__(self) -> None:
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if self.osm_type not in ('N', 'W', 'R'):
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raise ValueError(f"Illegal OSM type '{self.osm_type}'. Must be one of N, W, R.")
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PlaceRef = Union[PlaceID, OsmID]
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class Point(NamedTuple):
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""" A geographic point in WGS84 projection.
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"""
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x: float
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y: float
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@property
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def lat(self) -> float:
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""" Return the latitude of the point.
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"""
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return self.y
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@property
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def lon(self) -> float:
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""" Return the longitude of the point.
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"""
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return self.x
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class GeometryFormat(enum.Flag):
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""" Geometry output formats supported by Nominatim.
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"""
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NONE = 0
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GEOJSON = enum.auto()
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KML = enum.auto()
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SVG = enum.auto()
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TEXT = enum.auto()
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@dataclasses.dataclass
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class LookupDetails:
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""" Collection of parameters that define the amount of details
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returned with a search result.
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"""
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geometry_output: GeometryFormat = GeometryFormat.NONE
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""" Add the full geometry of the place to the result. Multiple
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formats may be selected. Note that geometries can become quite large.
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"""
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address_details: bool = False
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""" Get detailed information on the places that make up the address
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for the result.
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"""
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linked_places: bool = False
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""" Get detailed information on the places that link to the result.
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"""
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parented_places: bool = False
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""" Get detailed information on all places that this place is a parent
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for, i.e. all places for which it provides the address details.
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Only POI places can have parents.
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"""
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keywords: bool = False
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""" Add information about the search terms used for this place.
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"""
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