File size: 1,174 Bytes
1b141db | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | from __future__ import annotations
import re
from urllib.parse import parse_qs, unquote, urlparse
COORD_PATTERN = re.compile(
r"(?<!\d)([-+]?(?:[0-8]?\d(?:\.\d+)?|90(?:\.0+)?))\s*,\s*"
r"([-+]?(?:1[0-7]\d(?:\.\d+)?|[0-9]?\d(?:\.\d+)?|180(?:\.0+)?))(?!\d)"
)
def parse_lat_lon(text: str | None) -> tuple[float, float] | None:
if not text:
return None
match = COORD_PATTERN.search(text)
if not match:
return None
lat, lon = float(match.group(1)), float(match.group(2))
if -90 <= lat <= 90 and -180 <= lon <= 180:
return lat, lon
return None
def extract_coordinates_from_text(text: str | None) -> tuple[float, float] | None:
if not text:
return None
decoded = unquote(text)
parsed = urlparse(decoded)
query = parse_qs(parsed.query)
for key in ("q", "query", "ll"):
if key in query:
coords = parse_lat_lon(query[key][0])
if coords:
return coords
at_match = re.search(r"/@(-?\d+(?:\.\d+)?),(-?\d+(?:\.\d+)?)", decoded)
if at_match:
return float(at_match.group(1)), float(at_match.group(2))
return parse_lat_lon(decoded)
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