How to use exif - 10 common examples
To help you get started, we’ve selected a few exif examples, based on popular ways it is used in public projects.
Secure your code as it's written. Use Snyk Code to scan source code in minutes - no build needed - and fix issues immediately.
albertz / helpers / rename-pics.py View on Github 
def dump_exif(f):
print("File", f, ":")
try:
info = exif.getexif(f)
except exif.ExifException as e:
print(" Error:", e)
else:
for k in sorted([k for k in info if isinstance(k, str)]) + sorted([k for k in info if not isinstance(k, str)]):
print(" ", k, ":", user_repr(info[k]))
print(" file creation time:", file_time_creation(f))def iminfo(f):
try:
info = cleanup_exif_tags(exif.getexif(f))
except exif.ExifException:
info = {}
if "DateTimeOriginal" in info:
info["DateTime"] = info["DateTimeOriginal"]
if "DateTime" not in info:
info["DateTime"] = file_time_creation(f)
return infodef drawosd(self):
if not self.osd: return
f = open(self.filename, 'r')
tags = exif.process_file(f)
# Make the background darker for the OSD info
osd.drawbox(0, osd.height - 110, osd.width, osd.height, width=-1,
color=((60 << 24) | osd.COL_BLACK))
pos = 50
if tags.has_key('Image DateTime') and \
tags.has_key('EXIF ExifImageWidth') and tags.has_key('EXIF ExifImageLength'):
osd.drawstring('%s (%s x %s) @ %s' % \
(os.path.basename(self.filename),
tags['EXIF ExifImageWidth'], tags['EXIF ExifImageLength'], \
tags['Image DateTime']), \
20, osd.height - pos, fgcolor=osd.COL_ORANGE)
else:
osd.drawstring('%s' % (os.path.basename(self.filename)), \def get_exif(self):
try:
with open(str(self.relative_folder / self.filename),
'rb') as image_file:
self.__exif = exif.Image(image_file)
self.got_meta = True
except (IOError, AssertionError):
self.got_meta = Falseself.name = os.path.splitext(os.path.basename(components.path))[0]
if path:
file = open(path)
else:
file = urllib2.urlopen(self.url)
if file.info().typeheader != 'image/jpeg':
raise RuntimeError, '%s: not an image/jpeg' % self.url
self.jpeg = exif.JPEG(file)
if 'DateTimeOriginal' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTimeOriginal'])
elif 'DateTime' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTime'])
else:
self.dt = datetime.datetime(2000, 1, 1)
if 'GPSVersionID' in self.jpeg.exif:
lat = exif.parse_angle(self.jpeg.exif['GPSLatitude'])
if self.jpeg.exif['GPSLatitudeRef'] == 'S\0':
lat = -lat
lon = exif.parse_angle(self.jpeg.exif['GPSLongitude'])
if self.jpeg.exif['GPSLongitudeRef'] == 'W\0':
lon = -lon
if 'GPSAltitude' in self.jpeg.exif:
gps_altitude = self.jpeg.exif['GPSAltitude']
ele = float(gps_altitude[0]) / gps_altitude[1]
self.elevation_data = True
else:
ele = 0
self.elevation_data = False
self.coord = Coord.deg(lat, lon, ele)
else:
self.coord = None
self.elevation_data = Noneelse:
file = urllib2.urlopen(self.url)
if file.info().typeheader != 'image/jpeg':
raise RuntimeError, '%s: not an image/jpeg' % self.url
self.jpeg = exif.JPEG(file)
if 'DateTimeOriginal' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTimeOriginal'])
elif 'DateTime' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTime'])
else:
self.dt = datetime.datetime(2000, 1, 1)
if 'GPSVersionID' in self.jpeg.exif:
lat = exif.parse_angle(self.jpeg.exif['GPSLatitude'])
if self.jpeg.exif['GPSLatitudeRef'] == 'S\0':
lat = -lat
lon = exif.parse_angle(self.jpeg.exif['GPSLongitude'])
if self.jpeg.exif['GPSLongitudeRef'] == 'W\0':
lon = -lon
if 'GPSAltitude' in self.jpeg.exif:
gps_altitude = self.jpeg.exif['GPSAltitude']
ele = float(gps_altitude[0]) / gps_altitude[1]
self.elevation_data = True
else:
ele = 0
self.elevation_data = False
self.coord = Coord.deg(lat, lon, ele)
else:
self.coord = None
self.elevation_data = None
if 'UserComment' in self.jpeg.exif:
user_comment = self.jpeg.exif['UserComment']
self.description = exif.parse_usercomment(user_comment)},
0x201: { 'JPEGQuality': {
1:"SQ",
2:"HQ",
3:"SHQ"
}
},
0x202: { 'Macro': {
0:"Normal",
1:"Macro"
}
}
}
class MakerNotes(InterpretedMakerNotes):
def __init__(self, exif):
super(MakerNotes, self).__init__(exif)
for tag in olympus_map.keys():
t = self._raw.get(tag)
el, val = olympus_map[tag].items()[0]
if val=={}:
val = t.value
else:
val = val.get(t.value, "uknown: %s" % t.value)
setattr(self.__class__, el, property(fget = lambda s, v=val: v)) #make it read only0:"Auto",
1:"Sunny",
2:"Cloudy",
3:"Tungsten",
4:"Flourescent",
5:"Flash",
6:"Custom"},
'SequenceNumber': {'mindex':9}, #9
'AFPointUsed': {'mindex':14}, #14
'FlashBias': { 'mindex':15, #15
'.':"EV"},
'SubjectDistance': {'mindex':19}, #19
}
}
class MakerNotes(InterpretedMakerNotes):
def __init__(self, exif):
super(MakerNotes, self).__init__(exif)
for tag in canon_map.keys():
t = self._raw.get(tag)
for el, val in canon_map[tag].items():
if len(val.keys())==1:
val = t.value[val['mindex']]
else:
val = val.get(t.value[val['mindex']], "uknown: %s" % t.value[val['mindex']])
setattr(self.__class__, el, property(fget = lambda s, v=val: v)) #make it read onlydef __init__(self, url, path=None):
self.url = url
components = urlparse.urlparse(self.url)
self.name = os.path.splitext(os.path.basename(components.path))[0]
if path:
file = open(path)
else:
file = urllib2.urlopen(self.url)
if file.info().typeheader != 'image/jpeg':
raise RuntimeError, '%s: not an image/jpeg' % self.url
self.jpeg = exif.JPEG(file)
if 'DateTimeOriginal' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTimeOriginal'])
elif 'DateTime' in self.jpeg.exif:
self.dt = exif.parse_datetime(self.jpeg.exif['DateTime'])
else:
self.dt = datetime.datetime(2000, 1, 1)
if 'GPSVersionID' in self.jpeg.exif:
lat = exif.parse_angle(self.jpeg.exif['GPSLatitude'])
if self.jpeg.exif['GPSLatitudeRef'] == 'S\0':
lat = -lat
lon = exif.parse_angle(self.jpeg.exif['GPSLongitude'])
if self.jpeg.exif['GPSLongitudeRef'] == 'W\0':
lon = -lon
if 'GPSAltitude' in self.jpeg.exif:
gps_altitude = self.jpeg.exif['GPSAltitude']
ele = float(gps_altitude[0]) / gps_altitude[1]def post_thumb(local_file, s3_file, key):
"""
Notify photostreamer-server that a new thumbnail photo has been posted
to S3.
"""
l.debug("Notifying photostreamer-server of thumbnail photo %s", key)
tags = exif.parse(local_file)
filesize = os.path.getsize(local_file)
payload = {
"sender" : sender,
"filesize": filesize,
"fileid": key,
"thumbnail": s3_file.generate_url(expires_in=0, query_auth=False),
"exif": tags
}
success = post('/photo/thumb', payload)exif
Read and modify image EXIF metadata using Python.
