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Add types and docstrings

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This commit is contained in:
Edward Betts 2023-05-14 20:20:41 +00:00
parent 3f7df22083
commit 980737753f
1 changed files with 67 additions and 60 deletions
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121
matcher/wikidata.py
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@ -1,52 +1,55 @@
from collections import defaultdict
"""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]]]
def read_coords(snak):
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
return None
if v["globe"].rpartition("/")[2] != "Q2":
return
return None
return {k: v[k] for k in ("latitude", "longitude")}
return cast(Coords, {k: v[k] for k in ("latitude", "longitude")})
def read_hq_coords(claims):
if hq_pid not in claims:
return []
found = []
for hq_claim in claims[hq_pid]:
if "qualifiers" not in hq_claim:
continue
if coords_pid not in hq_claim["qualifiers"]:
continue
for snak in hq_claim["qualifiers"][coords_pid]:
coords = read_coords(snak)
if coords:
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, pid):
if pid not in claims:
return []
found = []
for statement in claims[pid]:
coords = read_coords(statement["mainsnak"])
if coords:
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):
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),
@ -54,22 +57,26 @@ def get_entity_coords(claims):
}
return {pid: values for pid, values in ret.items() if values}
def names_from_entity(entity, skip_lang=None):
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:'
cat_start = "Category:"
for k, v in entity['labels'].items():
for k, v in entity["labels"].items():
if k in skip_lang:
continue
ret[v['value']].append(('label', k))
ret[v["value"]].append(("label", k))
for k, v in entity['sitelinks'].items():
if k + 'wiki' in skip_lang:
for k, v in entity["sitelinks"].items():
if k + "wiki" in skip_lang:
continue
title = v['title']
title = v["title"]
if title.startswith(cat_start):
title = title[len(cat_start) :]
@ -79,48 +86,48 @@ def names_from_entity(entity, skip_lang=None):
if lc_first_title in ret:
title = lc_first_title
ret[title].append(('sitelink', k))
ret[title].append(("sitelink", k))
for lang, value_list in entity.get('aliases', {}).items():
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))
ret[name["value"]].append(("alias", lang))
commonscats = entity.get('claims', {}).get('P373', [])
commonscats = entity.get("claims", {}).get("P373", [])
for i in commonscats:
if 'datavalue' not in i['mainsnak']:
if "datavalue" not in i["mainsnak"]:
continue
value = i['mainsnak']['datavalue']['value']
ret[value].append(('commonscat', None))
value = i["mainsnak"]["datavalue"]["value"]
ret[value].append(("commonscat", None))
officialname = entity.get('claims', {}).get('P1448', [])
officialname = entity.get("claims", {}).get("P1448", [])
for i in officialname:
if 'datavalue' not in i['mainsnak']:
if "datavalue" not in i["mainsnak"]:
continue
value = i['mainsnak']['datavalue']['value']
ret[value['text']].append(('officialname', value['language']))
value = i["mainsnak"]["datavalue"]["value"]
ret[value["text"]].append(("officialname", value["language"]))
nativelabel = entity.get('claims', {}).get('P1705', [])
nativelabel = entity.get("claims", {}).get("P1705", [])
for i in nativelabel:
if 'datavalue' not in i['mainsnak']:
if "datavalue" not in i["mainsnak"]:
continue
value = i['mainsnak']['datavalue']['value']
ret[value['text']].append(('nativelabel', value['language']))
value = i["mainsnak"]["datavalue"]["value"]
ret[value["text"]].append(("nativelabel", value["language"]))
image = entity.get('claims', {}).get('P18', [])
image = entity.get("claims", {}).get("P18", [])
for i in image:
if 'datavalue' not in i['mainsnak']:
if "datavalue" not in i["mainsnak"]:
continue
value = i['mainsnak']['datavalue']['value']
m = re.search(r'\.[a-z]{3,4}$', value)
value = i["mainsnak"]["datavalue"]["value"]
m = re.search(r"\.[a-z]{3,4}$", value)
if m:
value = value[: m.start()]
for pattern in r' - geograph\.org\.uk - \d+$', r'[, -]*0\d{2,}$':
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))
ret[value].append(("image", None))
return ret