mirror of
https://github.com/kennethreitz/photos.kennethreitz.org.git
synced 2026-06-21 15:10:56 +00:00
kennethreitz
66dccb9de4
exifread stored 'E' ref for all images regardless of hemisphere. Heuristic: if ref='E', lat>15N, and lon 50-170, negate longitude. Correctly skips Australian/Asian images in Southern hemisphere. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
42 lines
1.7 KiB
Python
42 lines
1.7 KiB
Python
from django.core.management.base import BaseCommand
|
|
|
|
from core.models import ExifData
|
|
|
|
|
|
class Command(BaseCommand):
|
|
help = "Fix GPS longitude sign for photos with incorrect E ref in Western hemisphere"
|
|
|
|
def add_arguments(self, parser):
|
|
parser.add_argument('--dry-run', action='store_true')
|
|
|
|
def handle(self, *args, **options):
|
|
dry_run = options['dry_run']
|
|
# Only fix images where raw ref says E but location is clearly Western hemisphere
|
|
qs = ExifData.objects.filter(gps_longitude__isnull=False, gps_longitude__gt=0)
|
|
total = qs.count()
|
|
fixed = 0
|
|
|
|
self.stdout.write(f"Checking {total} images with positive longitude...")
|
|
|
|
for e in qs:
|
|
lon = float(e.gps_longitude)
|
|
lat = float(e.gps_latitude) if e.gps_latitude else 0
|
|
raw = e.raw_data or {}
|
|
lon_ref = raw.get('GPS GPSLongitudeRef', '')
|
|
|
|
# Only fix if ref says E but coordinates are clearly in Americas
|
|
# Americas: lat 15-72N, lon 50-170 (which should be negative)
|
|
# Skip Southern hemisphere (Australia at lon 151 is correct with E)
|
|
if lon_ref == 'E' and lat > 15 and lon > 50 and lon < 170:
|
|
if dry_run:
|
|
self.stdout.write(f" Would fix {e.image_id}: ({lat}, {lon}) -> ({lat}, {-lon})")
|
|
else:
|
|
e.gps_longitude = -lon
|
|
e.save(update_fields=['gps_longitude'])
|
|
self.stdout.write(f" Fixed {e.image_id}: ({lat}, {-lon})")
|
|
fixed += 1
|
|
|
|
self.stdout.write(self.style.SUCCESS(
|
|
f"{'Would fix' if dry_run else 'Fixed'} {fixed} of {total} images"
|
|
))
|