matthias/mapillary_download
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use new metadata for offset localize

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Stefal 2023-09-18 22:16:07 +02:00
parent 9b3366e2a1
commit 586f5e5607
2 changed files with 22 additions and 15 deletions
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3
download.py
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@ -100,7 +100,8 @@ def write_exif(picture, img_metadata):
# 'captured_at': 1603459736644, 'geometry': {'type': 'Point', 'coordinates': [2.5174596904057, 48.777089857534]}, 'id': '485924785946693'} # 'captured_at': 1603459736644, 'geometry': {'type': 'Point', 'coordinates': [2.5174596904057, 48.777089857534]}, 'id': '485924785946693'}
with writer.Writer(picture) as image: with writer.Writer(picture) as image:
image.writePictureMetadata(img_metadata) image.add_datetimeoriginal(img_metadata)
image.add_lat_lon(img_metadata)
image.add_altitude(img_metadata) image.add_altitude(img_metadata)
image.add_direction(img_metadata) image.add_direction(img_metadata)
image.apply() image.apply()

20
writer.py
View File

@ -109,7 +109,7 @@ class Writer():
""" """
if metadata.capture_time.utcoffset() is None: if metadata.capture_time.utcoffset() is None:
metadata.capture_time = self.localize(metadata) metadata.capture_time = self.localize(metadata.capture_time, metadata)
# for capture time, override GPSInfo time and DatetimeOriginal # for capture time, override GPSInfo time and DatetimeOriginal
self.updated_exif["Exif.Photo.DateTimeOriginal"] = metadata.capture_time.strftime("%Y:%m:%d %H:%M:%S") self.updated_exif["Exif.Photo.DateTimeOriginal"] = metadata.capture_time.strftime("%Y:%m:%d %H:%M:%S")
@ -127,7 +127,7 @@ class Writer():
""" """
if metadata.capture_time.utcoffset() is None: if metadata.capture_time.utcoffset() is None:
metadata.capture_time = self.localize(metadata) metadata.capture_time = self.localize(metadata.capture_time, metadata)
# for capture time, override DatetimeOriginal and SubSecTimeOriginal # for capture time, override DatetimeOriginal and SubSecTimeOriginal
self.updated_exif["Exif.Photo.DateTimeOriginal"] = metadata.capture_time.strftime("%Y:%m:%d %H:%M:%S") self.updated_exif["Exif.Photo.DateTimeOriginal"] = metadata.capture_time.strftime("%Y:%m:%d %H:%M:%S")
@ -157,22 +157,28 @@ class Writer():
return f"{'+' if offset_hour >= 0 else '-'}{int(abs(offset_hour)):02}:{int(remainer/60):02}" return f"{'+' if offset_hour >= 0 else '-'}{int(abs(offset_hour)):02}:{int(remainer/60):02}"
def localize(self, metadata: PictureMetadata) -> datetime: def localize(self, naive_dt: datetime, metadata: PictureMetadata) -> datetime:
""" """
Localize a datetime in the timezone of the picture Localize a datetime in the timezone of the picture
If the picture does not contains GPS position, the datetime will not be modified. If the picture does not contains GPS position, the datetime will not be modified.
""" """
new_lat_lon = metadata.longitude is not None and metadata.latitude is not None
if new_lat_lon :
lon = metadata.longitude
lat = metadata.latitude
else:
exif = self.exif exif = self.exif
try: try:
lon = exif["Exif.GPSInfo.GPSLongitude"] lon = exif["Exif.GPSInfo.GPSLongitude"]
lon_ref = exif.get("Exif.GPSInfo.GPSLongitudeRef", "E") lon_ref = exif.get("Exif.GPSInfo.GPSLongitudeRef", "E")
lat = exif["Exif.GPSInfo.GPSLatitude"] lat = exif["Exif.GPSInfo.GPSLatitude"]
lat_ref = exif.get("Exif.GPSInfo.GPSLatitudeRef", "N") lat_ref = exif.get("Exif.GPSInfo.GPSLatitudeRef", "N")
except KeyError:
return metadata.capture_time # canot localize, returning same date
lon = self._from_dms(lon) * (1 if lon_ref == "E" else -1) lon = self._from_dms(lon) * (1 if lon_ref == "E" else -1)
lat = self._from_dms(lat) * (1 if lat_ref == "N" else -1) lat = self._from_dms(lat) * (1 if lat_ref == "N" else -1)
except KeyError:
return metadata.capture_time # canot localize, returning same date
tz_name = tz_finder.timezone_at(lng=lon, lat=lat) tz_name = tz_finder.timezone_at(lng=lon, lat=lat)
if not tz_name: if not tz_name:
@ -180,7 +186,7 @@ class Writer():
tz = pytz.timezone(tz_name) tz = pytz.timezone(tz_name)
return tz.localize(metadata.capture_time) return tz.localize(naive_dt)
def _from_dms(self, val: str) -> float: def _from_dms(self, val: str) -> float: