134 lines
4.0 KiB
Python
134 lines
4.0 KiB
Python
"""Process Wikidata items to extract coordinates and names."""
|
|
|
|
import re
|
|
import typing
|
|
from collections import defaultdict
|
|
from typing import Any, cast
|
|
|
|
from . import wikidata_api
|
|
|
|
hq_pid = "P159"
|
|
coords_pid = "P625"
|
|
|
|
Claims = dict[str, list[dict[str, Any]]]
|
|
|
|
|
|
class Coords(typing.TypedDict):
|
|
"""Coordinates."""
|
|
|
|
latitude: float
|
|
longitude: float
|
|
|
|
|
|
def read_coords(snak: dict[str, Any]) -> Coords | None:
|
|
"""Read coordinates from snak."""
|
|
try:
|
|
v = snak["datavalue"]["value"]
|
|
except KeyError:
|
|
return None
|
|
if v["globe"].rpartition("/")[2] != "Q2":
|
|
return None
|
|
|
|
return cast(Coords, {k: v[k] for k in ("latitude", "longitude")})
|
|
|
|
|
|
def read_hq_coords(claims: Claims) -> list[Coords]:
|
|
"""Coordinates of item headquarters."""
|
|
found: list[Coords] = []
|
|
for hq_claim in claims.get(hq_pid, []):
|
|
for snak in hq_claim.get("qualifiers", {}).get(coords_pid, []):
|
|
if coords := read_coords(snak):
|
|
found.append(coords)
|
|
|
|
return found
|
|
|
|
|
|
def read_location_statement(claims: Claims, pid: str) -> list[Coords]:
|
|
"""Get coordinates from given claim."""
|
|
return [i for i in (read_coords(c["mainsnak"]) for c in claims.get(pid, [])) if i]
|
|
|
|
|
|
def get_entity_coords(claims: Claims) -> dict[str, Any]:
|
|
"""Read entity coordinate locations from claims dict."""
|
|
assert "claims" not in claims # make sure we weren't passed entity by mistake
|
|
ret = {
|
|
coords_pid: read_location_statement(claims, coords_pid),
|
|
hq_pid: read_hq_coords(claims),
|
|
}
|
|
return {pid: values for pid, values in ret.items() if values}
|
|
|
|
|
|
def names_from_entity(
|
|
entity: wikidata_api.EntityType, skip_lang: set[str] | None = None
|
|
) -> dict[str, Any]:
|
|
"""Find all sources of names from Item."""
|
|
if skip_lang is None:
|
|
skip_lang = set()
|
|
|
|
ret = defaultdict(list)
|
|
cat_start = "Category:"
|
|
|
|
for k, v in entity["labels"].items():
|
|
if k in skip_lang:
|
|
continue
|
|
ret[v["value"]].append(("label", k))
|
|
|
|
for k, v in entity["sitelinks"].items():
|
|
if k + "wiki" in skip_lang:
|
|
continue
|
|
title = v["title"]
|
|
if title.startswith(cat_start):
|
|
title = title[len(cat_start) :]
|
|
|
|
first_letter = title[0]
|
|
if first_letter.isupper():
|
|
lc_first_title = first_letter.lower() + title[1:]
|
|
if lc_first_title in ret:
|
|
title = lc_first_title
|
|
|
|
ret[title].append(("sitelink", k))
|
|
|
|
for lang, value_list in entity.get("aliases", {}).items():
|
|
if lang in skip_lang or len(value_list) > 3:
|
|
continue
|
|
for name in value_list:
|
|
ret[name["value"]].append(("alias", lang))
|
|
|
|
commonscats = entity.get("claims", {}).get("P373", [])
|
|
for i in commonscats:
|
|
if "datavalue" not in i["mainsnak"]:
|
|
continue
|
|
value = i["mainsnak"]["datavalue"]["value"]
|
|
ret[value].append(("commonscat", None))
|
|
|
|
officialname = entity.get("claims", {}).get("P1448", [])
|
|
for i in officialname:
|
|
if "datavalue" not in i["mainsnak"]:
|
|
continue
|
|
value = i["mainsnak"]["datavalue"]["value"]
|
|
ret[value["text"]].append(("officialname", value["language"]))
|
|
|
|
nativelabel = entity.get("claims", {}).get("P1705", [])
|
|
for i in nativelabel:
|
|
if "datavalue" not in i["mainsnak"]:
|
|
continue
|
|
value = i["mainsnak"]["datavalue"]["value"]
|
|
ret[value["text"]].append(("nativelabel", value["language"]))
|
|
|
|
image = entity.get("claims", {}).get("P18", [])
|
|
for i in image:
|
|
if "datavalue" not in i["mainsnak"]:
|
|
continue
|
|
value = i["mainsnak"]["datavalue"]["value"]
|
|
m = re.search(r"\.[a-z]{3,4}$", value)
|
|
if m:
|
|
value = value[: m.start()]
|
|
for pattern in r" - geograph\.org\.uk - \d+$", r"[, -]*0\d{2,}$":
|
|
m = re.search(pattern, value)
|
|
if m:
|
|
value = value[: m.start()]
|
|
break
|
|
ret[value].append(("image", None))
|
|
|
|
return ret
|