740 lines
24 KiB
Python
740 lines
24 KiB
Python
import abc
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import json
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import re
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import typing
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from collections import defaultdict
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from typing import Any
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import sqlalchemy
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from flask_login import UserMixin
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from geoalchemy2 import Geometry
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from sqlalchemy import func
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from sqlalchemy.dialects import postgresql
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from sqlalchemy.ext.associationproxy import association_proxy
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from sqlalchemy.ext.declarative import declared_attr
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from sqlalchemy.ext.hybrid import hybrid_property
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from sqlalchemy.orm import (
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Mapped,
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QueryPropertyDescriptor,
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backref,
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column_property,
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deferred,
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mapped_column,
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registry,
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relationship,
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)
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from sqlalchemy.orm.collections import attribute_mapped_collection
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from sqlalchemy.orm.decl_api import DeclarativeMeta
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from sqlalchemy.schema import Column, ForeignKey
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from sqlalchemy.types import BigInteger, Boolean, DateTime, Float, Integer, String, Text
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from . import mail, utils, wikidata, wikidata_api
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from .database import now_utc, session
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mapper_registry = registry()
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def cast_to_string(v: Column[int]) -> sqlalchemy.sql.elements.Cast[str]:
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"""Cast an value to a string."""
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return sqlalchemy.sql.expression.cast(v, String)
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class Base(metaclass=DeclarativeMeta):
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"""Database model base class."""
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__abstract__ = True
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registry = mapper_registry
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metadata = mapper_registry.metadata
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query: QueryPropertyDescriptor = session.query_property()
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__init__ = mapper_registry.constructor
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re_point = re.compile(r"^POINT\((.+) (.+)\)$")
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osm_type_enum = postgresql.ENUM(
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"node", "way", "relation", name="osm_type_enum", metadata=Base.metadata
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)
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re_lau_code = re.compile(r"^[A-Z]{2}([^A-Z].+)$") # 'LAU (local administrative unit)'
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property_map = [
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("P238", ["iata"], "IATA airport code"),
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("P239", ["icao"], "ICAO airport code"),
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("P240", ["faa", "ref"], "FAA airport code"),
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("P296", ["ref", "ref:train", "railway:ref"], "station code"),
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("P300", ["ISO3166-2"], "ISO 3166-2 code"),
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("P359", ["ref:rce"], "Rijksmonument ID"),
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("P590", ["ref:gnis", "GNISID", "gnis:id", "gnis:feature_id"], "USGS GNIS ID"),
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("P649", ["ref:nrhp"], "NRHP reference number"),
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("P722", ["uic_ref"], "UIC station code"),
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("P782", ["ref"], "LAU (local administrative unit)"),
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("P836", ["ref:gss"], "UK Government Statistical Service code"),
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("P856", ["website", "contact:website", "url"], "website"),
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("P882", ["nist:fips_code"], "FIPS 6-4 (US counties)"),
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("P901", ["ref:fips"], "FIPS 10-4 (countries and regions)"),
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# A UIC id can be a IBNR, but not every IBNR is an UIC id
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("P954", ["uic_ref"], "IBNR ID"),
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("P981", ["ref:woonplaatscode"], "BAG code for Dutch residencies"),
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("P1216", ["HE_ref"], "National Heritage List for England number"),
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("P2253", ["ref:edubase"], "EDUBase URN"),
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("P2815", ["esr:user", "ref", "ref:train"], "ESR station code"),
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("P3425", ["ref", "ref:SIC"], "Natura 2000 site ID"),
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("P3562", ["seamark:light:reference"], "Admiralty number"),
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(
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"P4755",
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["ref", "ref:train", "ref:crs", "crs", "nat_ref"],
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"UK railway station code",
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),
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("P4803", ["ref", "ref:train"], "Amtrak station code"),
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("P6082", ["nycdoitt:bin"], "NYC Building Identification Number"),
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("P5086", ["ref"], "FIPS 5-2 alpha code (US states)"),
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("P5087", ["ref:fips"], "FIPS 5-2 numeric code (US states)"),
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("P5208", ["ref:bag"], "BAG building ID for Dutch buildings"),
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]
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T = typing.TypeVar("T", bound="Item")
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class Item(Base):
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"""Wikidata item."""
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__tablename__ = "item"
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item_id = Column(Integer, primary_key=True, autoincrement=False)
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labels = Column(postgresql.JSONB)
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descriptions = Column(postgresql.JSONB)
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aliases = Column(postgresql.JSONB)
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sitelinks = Column(postgresql.JSONB)
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claims = Column(postgresql.JSONB, nullable=False)
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lastrevid = Column(Integer, nullable=False, unique=True)
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locations: Mapped[list["ItemLocation"]] = relationship(
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"ItemLocation", cascade="all, delete-orphan", backref="item"
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)
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qid: Mapped[str] = column_property("Q" + cast_to_string(item_id))
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wiki_extracts: Mapped[list["Extract"]] = relationship(
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"Extract",
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collection_class=attribute_mapped_collection("site"),
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cascade="save-update, merge, delete, delete-orphan",
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backref="item",
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)
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extracts = association_proxy("wiki_extracts", "extract")
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@classmethod
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def get_by_qid(cls: typing.Type[T], qid: str) -> T | None:
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"""Lookup Item via QID."""
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if qid and len(qid) > 1 and qid[0].upper() == "Q" and qid[1:].isdigit():
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obj: T = cls.query.get(qid[1:])
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return obj
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return None
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@property
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def wd_url(self) -> str:
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"""Wikidata URL for item."""
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return f"https://www.wikidata.org/wiki/{self.qid}"
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def get_claim(self, pid: str) -> list[str | int | dict[str, str | int] | None]:
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"""List of claims for given Wikidata property ID."""
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claims = typing.cast(wikidata.Claims, self.claims)
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return [
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i["mainsnak"]["datavalue"]["value"]
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if "datavalue" in i["mainsnak"]
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else None
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for i in claims.get(pid, [])
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]
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def label(self, lang: str = "en") -> str:
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"""Label for this Wikidata item."""
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labels = typing.cast(dict[str, dict[str, Any]], self.labels)
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if lang in labels:
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return typing.cast(str, labels[lang]["value"])
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elif "en" in labels:
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return typing.cast(str, labels["en"]["value"])
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label_list = list(labels.values())
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return typing.cast(str, label_list[0]["value"]) if label_list else "[no label]"
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def description(self, lang: str = "en") -> str | None:
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"""Return a description of the item."""
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descriptions = typing.cast(dict[str, dict[str, Any]], self.descriptions)
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if lang in descriptions:
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return typing.cast(str, descriptions[lang]["value"])
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elif "en" in descriptions:
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return typing.cast(str, descriptions["en"]["value"])
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return None
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d_list = list(self.descriptions.values())
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if d_list:
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return d_list[0]["value"]
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def get_aliases(self, lang: str = "en") -> list[str]:
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"""Get aliases."""
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if lang not in self.aliases:
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if "en" not in self.aliases:
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return []
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lang = "en"
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return [a["value"] for a in self.aliases[lang]]
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def get_part_of_names(self) -> set[str]:
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if not self.claims:
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return set()
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part_of_names = set()
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for p361 in self.claims.get("P361", []):
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try:
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part_of_id = p361["mainsnak"]["datavalue"]["value"]["numeric-id"]
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except KeyError:
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continue
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if part_of_id == self.item_id:
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continue # avoid loop for 'part of' self-reference
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# TODO: download item if it doesn't exist
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part_of_item = Item.query.get(part_of_id)
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if part_of_item:
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names = part_of_item.names(check_part_of=False)
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if names:
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part_of_names |= names.keys()
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return part_of_names
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@property
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def entity(self) -> wikidata_api.EntityType:
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"""Entity."""
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keys = ["labels", "aliases", "descriptions", "sitelinks", "claims"]
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return typing.cast(
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wikidata_api.EntityType, {key: getattr(self, key) for key in keys}
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)
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def names(self, check_part_of: bool = True) -> dict[str, list[str]] | None:
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part_of_names = self.get_part_of_names() if check_part_of else set()
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d = wikidata.names_from_entity(self.entity) or defaultdict(list)
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for name, sources in list(d.items()):
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if len(sources) == 1 and sources[0][0] == "image":
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continue
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for part_of_name in part_of_names:
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if not name.startswith(part_of_name):
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continue
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prefix_removed = name[len(part_of_name) :].strip()
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if prefix_removed not in d:
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d[prefix_removed] = sources
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if self.claims:
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for p6375 in self.claims.get("P6375", []):
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try:
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street_address = p6375["mainsnak"]["datavalue"]["value"]
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except KeyError:
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continue
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d[street_address["text"]].append(
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("P6375", street_address.get("language"))
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)
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# A terrace of buildings can be illustrated with a photo of a single building.
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# We try to determine if this is the case and avoid using the filename of the
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# single building photo as a name for matching.
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def has_digit(s):
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return any(c.isdigit() for c in s)
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image_names = {
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name
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for name, sources in d.items()
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if len(sources) == 1 and sources[0][0] == "image" and has_digit(name)
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}
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if not image_names:
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return dict(d) or None
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other_names = {n for n in d.keys() if n not in image_names and has_digit(n)}
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for image_name in image_names:
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for other in other_names:
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if not utils.is_in_range(other, image_name):
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continue
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del d[image_name]
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break
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return dict(d) or None
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def get_isa(self) -> list[dict[str, int | str]]:
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"""Get item IDs of IsA items for this item."""
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isa_list = []
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of_property = "P642"
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claims = typing.cast(wikidata.Claims, self.claims)
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for claim in claims.get("P31", []):
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qualifiers = claim.get("qualifiers", {})
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if "datavalue" in claim["mainsnak"]:
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isa_list.append(claim["mainsnak"]["datavalue"]["value"])
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for of_qualifier in qualifiers.get(of_property, []):
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if "datavalue" in of_qualifier:
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isa_list.append(of_qualifier["datavalue"]["value"])
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return isa_list
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def get_isa_qids(self) -> list[str]:
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"""Get QIDs of items listed instance of (P31) property."""
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return [typing.cast(str, isa["id"]) for isa in self.get_isa()]
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def is_street(self, isa_qids: typing.Collection[str] | None = None) -> bool:
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"""Item represents a street."""
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if isa_qids is None:
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isa_qids = self.get_isa_qids()
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matching_types = {
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"Q12731", # dead end street
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"Q34442", # road
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"Q79007", # street
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"Q83620", # thoroughfare
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"Q21000333", # shopping street
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"Q62685721", # pedestrian street
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}
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return bool(matching_types & set(isa_qids))
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def is_watercourse(self, isa_qids: typing.Collection[str] | None = None) -> bool:
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"""Item represents a watercourse."""
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if isa_qids is None:
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isa_qids = self.get_isa_qids()
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matching_types = {
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"Q355304", # watercourse
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"Q4022", # river
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"Q47521", # stream
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"Q1437299", # creek
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"Q63565252", # brook
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"Q12284", # canal
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"Q55659167", # natural watercourse
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}
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return bool(matching_types & set(isa_qids))
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def is_linear_feature(self):
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isa_qids = set(self.get_isa_qids())
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return self.is_street(isa_qids) or self.is_watercourse(isa_qids)
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def is_tram_stop(self) -> bool:
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"""Item is a tram stop."""
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return "Q2175765" in self.get_isa_qids()
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def alert_admin_about_bad_time(self, v: utils.WikibaseTime) -> None:
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"""Send an email to admin when encountering an unparsable time in Wikibase."""
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body = (
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"Wikidata item has an unsupported time precision\n\n"
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+ self.wd_url
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+ "\n\n"
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+ "Value:\n\n"
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+ json.dumps(v, indent=2)
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)
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mail.send_mail(f"OWL Map: bad time value in {self.qid}", body)
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def time_claim(self, pid: str) -> list[str]:
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"""Read values from time statement."""
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ret = []
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for v in typing.cast(list[utils.WikibaseTime | None], self.get_claim(pid)):
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if not v:
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continue
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try:
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t = utils.format_wikibase_time(v)
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except Exception:
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self.alert_admin_about_bad_time(v)
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raise
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if t:
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ret.append(t)
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else:
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self.alert_admin_about_bad_time(v)
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return ret
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def closed(self) -> list[str]:
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"""Date when item closed."""
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return self.time_claim("P3999")
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def first_paragraph_language(self, lang: str) -> str | None:
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"""First paragraph of Wikipedia article in the given languages."""
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if lang not in self.sitelinks():
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return None
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extract = self.extracts.get(lang)
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if not extract:
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return None
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assert isinstance(extract, str)
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empty_list = [
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"<p><span></span></p>",
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"<p><span></span>\n</p>",
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"<p><span></span>\n\n</p>",
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"<p>\n<span></span>\n</p>",
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"<p>\n\n<span></span>\n</p>",
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"<p>.\n</p>",
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"<p><br></p>",
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'<p class="mw-empty-elt">\n</p>',
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'<p class="mw-empty-elt">\n\n</p>',
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'<p class="mw-empty-elt">\n\n\n</p>',
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]
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text = extract.strip()
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while True:
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found_empty = False
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for empty in empty_list:
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if text.startswith(empty):
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text = text[len(empty) :].strip()
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found_empty = True
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if not found_empty:
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break
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close_tag = "</p>"
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first_end_p_tag = text.find(close_tag)
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if first_end_p_tag == -1:
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# FIXME: e-mail admin
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return text
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return text[: first_end_p_tag + len(close_tag)]
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def get_identifiers_tags(self) -> dict[str, list[tuple[list[str], str]]]:
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tags = defaultdict(list)
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for claim, osm_keys, label in property_map:
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values = [
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i["mainsnak"]["datavalue"]["value"]
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for i in self.claims.get(claim, [])
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if "datavalue" in i["mainsnak"]
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]
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if not values:
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continue
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if claim == "P782":
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values += [
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m.group(1) for m in (re_lau_code.match(v) for v in values) if m
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]
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for osm_key in osm_keys:
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tags[osm_key].append((values, label))
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return dict(tags)
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def get_identifiers(self) -> dict[str, list[str]]:
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ret = {}
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for claim, osm_keys, label in property_map:
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values = [
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i["mainsnak"]["datavalue"]["value"]
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for i in self.claims.get(claim, [])
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if "datavalue" in i["mainsnak"]
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]
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if not values:
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continue
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if claim == "P782":
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values += [
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m.group(1) for m in (re_lau_code.match(v) for v in values) if m
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]
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for osm_key in osm_keys:
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ret[label] = values
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return ret
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# class Claim(Base):
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# __tablename__ = "claim"
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# item_id = Column(Integer, primary_key=True)
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# property_id = Column(Integer, primary_key=True)
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# position = Column(Integer, primary_key=True)
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# mainsnak = Column(postgresql.JSONB)
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class ItemIsA(Base):
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"""Item IsA."""
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__tablename__ = "item_isa"
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item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
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isa_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
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item: Mapped[Item] = relationship("Item", foreign_keys=[item_id])
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isa: Mapped[Item] = relationship("Item", foreign_keys=[isa_id])
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class ItemLocation(Base):
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"""Location of an item."""
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__tablename__ = "item_location"
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item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
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property_id = Column(Integer, primary_key=True)
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statement_order = Column(Integer, primary_key=True)
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location = Column(Geometry("POINT", srid=4326, spatial_index=True), nullable=False)
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qid = column_property("Q" + cast_to_string(item_id))
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pid = column_property("P" + cast_to_string(property_id))
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def get_lat_lon(self) -> tuple[float, float]:
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"""Get latitude and longitude of item."""
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loc: tuple[float, float]
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loc = session.query(func.ST_Y(self.location), func.ST_X(self.location)).one()
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return loc
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def location_objects(
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coords_dict: dict[str, list[wikidata.Coords]]
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) -> list[ItemLocation]:
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"""Create location objects with the given coordinates."""
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locations: list[ItemLocation] = []
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for pid, coord_list in coords_dict.items():
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for num, coords in enumerate(coord_list):
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point = f"POINT({coords['longitude']} {coords['latitude']})"
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loc: ItemLocation = ItemLocation(
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property_id=int(pid[1:]), statement_order=num, location=point
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)
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locations.append(loc)
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return locations
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class MapMixin:
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"""Map base class."""
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@declared_attr
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def __tablename__(cls):
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return "planet_osm_" + cls.__name__.lower()
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|
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src_id = Column("osm_id", Integer, primary_key=True, autoincrement=False)
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name = Column(String)
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admin_level = Column(String)
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boundary = Column(String)
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tags: Mapped[postgresql.hstore] = mapped_column(postgresql.HSTORE)
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|
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@declared_attr
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def way(cls):
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return deferred(
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Column(Geometry("GEOMETRY", srid=4326, spatial_index=True), nullable=False)
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|
)
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|
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@declared_attr
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def kml(cls) -> Mapped[str]:
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"""Get object in KML format."""
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return column_property(func.ST_AsKML(cls.way), deferred=True)
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|
|
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@declared_attr
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def geojson_str(cls) -> Mapped[str]:
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"""Get object as GeoJSON string."""
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return column_property(
|
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func.ST_AsGeoJSON(cls.way, maxdecimaldigits=6), deferred=True
|
|
)
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|
|
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@declared_attr
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def as_EWKT(cls) -> Mapped[str]:
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|
"""As EWKT."""
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return column_property(func.ST_AsEWKT(cls.way), deferred=True)
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|
|
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@hybrid_property
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def has_street_address(self) -> bool:
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|
"""Object has street address."""
|
|
return "addr:housenumber" in self.tags and "addr:street" in self.tags
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|
|
|
def display_name(self) -> str:
|
|
"""Name for display."""
|
|
for key in "bridge:name", "tunnel:name", "lock_name":
|
|
if key in self.tags:
|
|
return typing.cast(str, self.tags[key])
|
|
|
|
return typing.cast(
|
|
str,
|
|
self.name
|
|
or self.tags.get("addr:housename")
|
|
or self.tags.get("inscription"),
|
|
)
|
|
|
|
def geojson(self) -> dict[str, typing.Any]:
|
|
"""Object GeoJSON parsed into Python data structure."""
|
|
return typing.cast(dict[str, typing.Any], json.loads(self.geojson_str))
|
|
|
|
def get_centroid(self) -> tuple[float, float]:
|
|
"""Centroid."""
|
|
centroid = session.query(func.ST_AsText(func.ST_Centroid(self.way))).scalar()
|
|
assert centroid
|
|
assert (m := re_point.match(centroid))
|
|
lon, lat = m.groups()
|
|
return (float(lat), float(lon))
|
|
|
|
@classmethod
|
|
def coords_within(cls, lat: float, lon: float):
|
|
point = func.ST_SetSRID(func.ST_MakePoint(lon, lat), 4326)
|
|
return cls.query.filter(
|
|
cls.admin_level.isnot(None), func.ST_Within(point, cls.way)
|
|
).order_by(cls.area)
|
|
|
|
@property
|
|
def id(self) -> int:
|
|
"""OSM id."""
|
|
return abs(self.src_id) # relations have negative IDs
|
|
|
|
@property
|
|
@abc.abstractmethod
|
|
def type(self) -> str:
|
|
"""OSM type."""
|
|
|
|
@property
|
|
def identifier(self) -> str:
|
|
"""OSM identifier."""
|
|
return f"{self.type}/{self.id}"
|
|
|
|
@property
|
|
def osm_url(self):
|
|
"""OSM URL."""
|
|
return f"https://www.openstreetmap.org/{self.type}/{self.id}"
|
|
|
|
|
|
class Point(MapMixin, Base):
|
|
"""OSM planet point."""
|
|
|
|
type = "node"
|
|
|
|
|
|
class Line(MapMixin, Base):
|
|
"""OSM planet line."""
|
|
|
|
@property
|
|
def type(self) -> str:
|
|
"""OSM type."""
|
|
return "way" if self.src_id > 0 else "relation"
|
|
|
|
@classmethod
|
|
def get_osm(cls, osm_type, osm_id):
|
|
src_id = osm_id * {"way": 1, "relation": -1}[osm_type]
|
|
return cls.query.get(src_id)
|
|
|
|
|
|
class Polygon(MapMixin, Base):
|
|
"""OSM planet polygon."""
|
|
|
|
way_area = Column(Float)
|
|
|
|
@classmethod
|
|
def get_osm(cls, osm_type, osm_id):
|
|
src_id = osm_id * {"way": 1, "relation": -1}[osm_type]
|
|
return cls.query.get(src_id)
|
|
|
|
@property
|
|
def type(self) -> str:
|
|
"""Polygon is either a way or a relation."""
|
|
return "way" if self.src_id > 0 else "relation"
|
|
|
|
@declared_attr
|
|
def area(cls) -> sqlalchemy.orm.properties.ColumnProperty:
|
|
"""Polygon area."""
|
|
return column_property(func.ST_Area(cls.way, False), deferred=True)
|
|
|
|
@hybrid_property
|
|
def area_in_sq_km(self) -> float:
|
|
"""Size of area in square km."""
|
|
area: float = self.area
|
|
return area / (1000 * 1000)
|
|
|
|
|
|
class User(Base, UserMixin):
|
|
"""User."""
|
|
|
|
__tablename__ = "user"
|
|
id = Column(Integer, primary_key=True)
|
|
username = Column(String)
|
|
password = Column(String)
|
|
name = Column(String)
|
|
email = Column(String)
|
|
active = Column(Boolean, default=True)
|
|
sign_up = Column(DateTime, default=now_utc())
|
|
is_admin = Column(Boolean, default=False)
|
|
description = Column(Text)
|
|
img = Column(String) # OSM avatar
|
|
languages = Column(postgresql.ARRAY(String))
|
|
single = Column(String)
|
|
multi = Column(String)
|
|
units = Column(String)
|
|
wikipedia_tag = Column(Boolean, default=False)
|
|
mock_upload = Column(Boolean, default=False)
|
|
|
|
osm_id = Column(Integer, index=True)
|
|
osm_account_created = Column(DateTime)
|
|
osm_oauth_token = Column(String)
|
|
osm_oauth_token_secret = Column(String)
|
|
|
|
def is_active(self) -> bool:
|
|
"""User is active."""
|
|
return self.active
|
|
|
|
|
|
class EditSession(Base):
|
|
"""Edit session."""
|
|
|
|
__tablename__ = "edit_session"
|
|
id = Column(Integer, primary_key=True)
|
|
user_id = Column(Integer, ForeignKey(User.id))
|
|
created = Column(DateTime, default=now_utc(), nullable=False)
|
|
edit_list = Column(postgresql.JSONB)
|
|
comment = Column(String)
|
|
|
|
user: Mapped[User] = relationship("User")
|
|
changeset: Mapped["Changeset"] = relationship(
|
|
"Changeset", back_populates="edit_session", uselist=False
|
|
)
|
|
|
|
|
|
class Changeset(Base):
|
|
"""An OSM Changeset generated by this tool."""
|
|
|
|
__tablename__ = "changeset"
|
|
id = Column(BigInteger, primary_key=True)
|
|
created = Column(DateTime)
|
|
comment = Column(String)
|
|
user_id = Column(Integer, ForeignKey(User.id))
|
|
update_count = Column(Integer, nullable=False)
|
|
edit_session_id = Column(Integer, ForeignKey(EditSession.id))
|
|
|
|
user: Mapped[User] = relationship(
|
|
"User",
|
|
backref=backref(
|
|
"changesets", lazy="dynamic", order_by="Changeset.created.desc()"
|
|
),
|
|
)
|
|
|
|
edit_session: Mapped[EditSession] = relationship(
|
|
"EditSession", back_populates="changeset"
|
|
)
|
|
|
|
|
|
class ChangesetEdit(Base):
|
|
"""Record details of edits within a changeset."""
|
|
|
|
__tablename__ = "changeset_edit"
|
|
|
|
changeset_id = Column(BigInteger, ForeignKey("changeset.id"), primary_key=True)
|
|
item_id = Column(Integer, primary_key=True)
|
|
osm_id = Column(BigInteger, primary_key=True)
|
|
osm_type = Column(osm_type_enum, primary_key=True)
|
|
saved = Column(DateTime, default=now_utc(), nullable=False)
|
|
|
|
changeset: Mapped[Changeset] = relationship(
|
|
"Changeset", backref=backref("edits", lazy="dynamic")
|
|
)
|
|
|
|
|
|
class SkipIsA(Base):
|
|
"""Ignore this item type when walking the Wikidata subclass graph."""
|
|
|
|
__tablename__ = "skip_isa"
|
|
item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
|
|
qid = column_property("Q" + cast_to_string(item_id))
|
|
|
|
item: Mapped[Item] = relationship("Item")
|
|
|
|
|
|
class ItemExtraKeys(Base):
|
|
"""Extra tag or key to consider for an Wikidata item type."""
|
|
|
|
__tablename__ = "item_extra_keys"
|
|
item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
|
|
tag_or_key = Column(String, primary_key=True)
|
|
note = Column(String)
|
|
qid = column_property("Q" + cast_to_string(item_id))
|
|
|
|
item: Mapped[Item] = relationship("Item")
|
|
|
|
|
|
class Extract(Base):
|
|
"""First paragraph from Wikipedia."""
|
|
|
|
__tablename__ = "extract"
|
|
|
|
item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
|
|
site = Column(String, primary_key=True)
|
|
extract = Column(String, nullable=False)
|
|
|
|
def __init__(self, site: str, extract: str):
|
|
"""Initialise the object."""
|
|
self.site = site
|
|
self.extract = extract
|