def renameImageFile(key, oldFileName, newFileName, outputFolder, payloadFolder = None):
""" Accepts an image path and copies while renaming it
key = the key from the recordDict, which should correspond to the field number. Passing this to avoid addtl. work.
oldFileName = the field-number-named file which needs to be renamed and moved
newFileNAme = the desired new name after moving
outputFolder = the folder to save the catalog-number-named file
payloadFolder = the folder to congregate to be transfered files, if not passed presumes it is the same as outputFolder
"""
if payloadFolder == None:
payloadFolder = outputFolder
newFileNames = [] #start with an empty list....
for destFolder in set([outputFolder, payloadFolder]):
newFileNames.append(str(destFolder + '/{}.jpg'.format(newFileName))) #Build a list of paths to copy the orig file to.
# see this example for concerns about loss of metadata upon image copy:
# https://stackoverflow.com/questions/6106303/how-to-rename-a-file-and-preserve-creation-date-in-python
stat = os.stat(oldFileName) #Take note of creation and modification metadata from initial file
for outputName in newFileNames: # for each filepath we're copying to
os.makedirs(os.path.dirname(outputName), exist_ok=True)
shutil.copy2(oldFileName, outputName) # copy the origional and rename it according to the outputName
# insert metadata
metaDataDict = {'otherCatalogNumber':key} #This dict can be altered to add ... everything?
zeroth_ifd = {270: str(metaDataDict)} #converting dict to string to embed it into the same field
exif_bytes = piexif.dump({"0th":zeroth_ifd})
os.utime(outputName, (stat.st_atime, stat.st_mtime)) #Write orig creation and modification metadata to the copied file
#debugging creation time metadata loss
# print(stat)
# print(os.stat(outputName))
piexif.insert(exif_bytes,outputName)
def write_gps_exif(coordinate, altitude, read_image_path,
write_image_path):
"""Write gps exif data into an image
Args:
:param coordinate: GPS coordinates in fractions (dict)
:param altitude: Altitude in fractions (list)
:param read_image_path: Absolute path of image that needs to be geotagged (str)
:param write_image_path: Absolute path of geotagged image (str)
"""
exif_dict = piexif.load(read_image_path)
gps_ifd = {
piexif.GPSIFD.GPSLatitudeRef:
coordinate['Lat']['Hem'],
piexif.GPSIFD.GPSLatitude:
((coordinate['Lat']['Deg']), (coordinate['Lat']['Min']),
(coordinate['Lat']['Sec'])),
piexif.GPSIFD.GPSLongitude:
((coordinate['Lng']['Deg']), (coordinate['Lng']['Min']),
(coordinate['Lng']['Sec'])),
piexif.GPSIFD.GPSLongitudeRef:
coordinate['Lng']['Hem'],
piexif.GPSIFD.GPSAltitude:
altitude
}
exif_dict['GPS'] = gps_ifd
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, write_image_path)
def setgeoimage(data, lat, lon, imagedescription="", usercomment="", dt=None):
exif_dict = piexif.load(data)
#for ifd in ("0th", "Exif", "GPS", "1st"):
# for tag in exif_dict[ifd]:
# print tag
# print(piexif.TAGS[ifd][tag]["name"], exif_dict[ifd][tag])
#
#lat,lon=get_geo(exif_dict)
#print "lat lon",lat,lon
if dt is None:
exif_dict["0th"][piexif.ImageIFD.DateTime] = datetime.utcnow(
).strftime("%Y:%m:%d %H:%M:%S")
else:
exif_dict["0th"][piexif.ImageIFD.DateTime] = dt.strftime(
"%Y:%m:%d %H:%M:%S")
set_geo(exif_dict, lat, lon)
exif_dict["Exif"][
piexif.ExifIFD.UserComment] = chr(0x55) + chr(0x4E) + chr(0x49) + chr(
0x43) + chr(0x4F) + chr(0x44) + chr(0x45) + chr(0x00) + usercomment
exif_dict["0th"][piexif.ImageIFD.ImageDescription] = imagedescription
exif_bytes = piexif.dump(exif_dict)
new_data = io.BytesIO(data)
piexif.insert(exif_bytes, data, new_data)
return new_data.getvalue()
def test_piexif( input_file_name, output_file_name, args ):
"""
Tests Exif manipulation using Piexif performing JPEG I/O with buffered
reads and writes.
Takes 3 arguments:
input_file_name - Path of input JPEG file.
output_file_name - Path of output JPEG file.
args - Dictionary of arguments provided to the test. This
is unused.
Returns nothing.
"""
import piexif
jpeg_data = open( input_file_name, "rb" ).read()
o = io.BytesIO()
# use piexif to extract our Exif data and insert it back into the raw JPEG
# byte stream.
exif_dict = piexif.load( input_file_name )
exif_dict['GPS'][2] = ((1, 1), (2, 1), (3, 1))
exif_dict['GPS'][4] = ((4, 1), (5, 1), (6, 1))
exif_bytes = piexif.dump( exif_dict )
piexif.insert( exif_bytes, jpeg_data, o )
with open( output_file_name, "wb" ) as file:
file.write( o.getvalue() )
munged_jpeg_data = open( output_file_name, "rb" ).read()
munged_exif_dict = piexif.load( output_file_name )
munged_exif_bytes = piexif.dump( munged_exif_dict )
def combine(self, essence: IO, metadata_by_format: Mapping[str, Mapping]) -> IO:
result = io.BytesIO()
with tempfile.NamedTemporaryFile(mode='w+b') as tmp:
tmp.write(essence.read())
tmp.flush()
try:
exif_metadata = piexif.load(tmp.name)
except (piexif.InvalidImageDataError, ValueError):
raise UnsupportedFormatError('Unsupported essence format.')
for metadata_format, metadata in metadata_by_format.items():
if metadata_format not in self.formats:
raise UnsupportedFormatError(f'Metadata format {metadata_format!r} is not supported.')
for madam_key, madam_value in metadata.items():
if madam_key not in ExifMetadataProcessor.metadata_to_exif:
continue
ifd_key, exif_key = ExifMetadataProcessor.metadata_to_exif[madam_key]
if ifd_key not in exif_metadata:
exif_metadata[ifd_key] = {}
_, convert_to_exif = ExifMetadataProcessor.converters[madam_key]
exif_metadata[ifd_key][exif_key] = convert_to_exif(madam_value)
try:
piexif.insert(piexif.dump(exif_metadata), tmp.name)
except (piexif.InvalidImageDataError, ValueError):
raise UnsupportedFormatError(f'Could not write metadata: {metadata_by_format!r}')
tmp.seek(0)
shutil.copyfileobj(tmp, result)
result.seek(0)
return result
def metadata_erase(img, exif, tags):
exif = piexif.load(exif)
new_exif = adjust_exif2(tags,exif)
new_bytes = piexif.dump(new_exif)
outputImage = io.BytesIO()
piexif.insert(new_bytes, img, outputImage)
return outputImage
def write_image(image, fname, pt, lat, lon, fov, pan):
"""Write the image corresponding to a time and space point to fname."""
dt = pt[0]
s = pt[7]
image.save(fname)
datestamp, time = dt.split(" ")
h, m, s = time.split(":")
timestamp = ((int(h), 1), (int(m), 1), (int(s), 1))
lat_pretty = ephem.degrees(math.radians(lat))
lat_h, lat_m, lat_s = str(lat_pretty).split(":")
lat_fmt = ((int(lat_h), 1), (int(lat_m), 1), (int(float(lat_s)), 1))
lon_pretty = ephem.degrees(math.radians(lon))
lon_h, lon_m, lon_s = str(lon_pretty).split(":")
lon_fmt = ((-int(lon_h), 1), (int(lon_m), 1), (int(float(lon_s)), 1))
exif = piexif.load(fname)
# Update the EXIF GPS time and date
exif['GPS'][piexif.GPSIFD.GPSLatitude] = lat_fmt
exif['GPS'][piexif.GPSIFD.GPSLatitudeRef] = 'N'
exif['GPS'][piexif.GPSIFD.GPSLongitude] = lon_fmt
exif['GPS'][piexif.GPSIFD.GPSLongitudeRef] = 'W'
exif['GPS'][piexif.GPSIFD.GPSDateStamp] = datestamp
exif['GPS'][piexif.GPSIFD.GPSTimeStamp] = timestamp
t = get_phase(s)
# Write custom data into the MakerNote
exif['Exif'][piexif.ExifIFD.MakerNote] = "%s|%d, %d|%d" % (t, fov, pan[0],
pan[1])
b = piexif.dump(exif)
piexif.insert(b, fname)
def add_gps_tags(path: str, gps_tags: {str: any}):
"""This method will add gps tags to the photo found at path"""
exif_dict = piexif.load(path)
for tag, tag_value in gps_tags.items():
exif_dict["GPS"][tag] = tag_value
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, path)
def setgeoimage(data,lat,lon,imagedescription="",usercomment="",dt=None):
exif_dict = piexif.load(data)
#for ifd in ("0th", "Exif", "GPS", "1st"):
# for tag in exif_dict[ifd]:
# print tag
# print(piexif.TAGS[ifd][tag]["name"], exif_dict[ifd][tag])
#
#lat,lon=get_geo(exif_dict)
#print "lat lon",lat,lon
if dt is None:
exif_dict["0th"][piexif.ImageIFD.DateTime]=datetime.utcnow().strftime("%Y:%m:%d %H:%M:%S")
else:
exif_dict["0th"][piexif.ImageIFD.DateTime]=dt.strftime("%Y:%m:%d %H:%M:%S")
set_geo(exif_dict, lat, lon)
exif_dict["Exif"][piexif.ExifIFD.UserComment]=chr(0x55)+chr(0x4E)+chr(0x49)+chr(0x43)+chr(0x4F)+chr(0x44)+chr(0x45)+chr(0x00)+usercomment
exif_dict["0th"][piexif.ImageIFD.ImageDescription]=imagedescription
exif_bytes = piexif.dump(exif_dict)
new_data=io.BytesIO(data)
piexif.insert(exif_bytes, data, new_data)
return new_data.getvalue()
def set_gps_location(file_name, lat, lng, altitude):
"""Adds GPS position as EXIF metadata
Keyword arguments:
file_name -- image file
lat -- latitude (as float)
lng -- longitude (as float)
altitude -- altitude (as float)
"""
lat_deg = to_deg(lat, ["S", "N"])
lng_deg = to_deg(lng, ["W", "E"])
exiv_lat = (change_to_rational(lat_deg[0]), change_to_rational(lat_deg[1]),
change_to_rational(lat_deg[2]))
exiv_lng = (change_to_rational(lng_deg[0]), change_to_rational(lng_deg[1]),
change_to_rational(lng_deg[2]))
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef: 1,
piexif.GPSIFD.GPSAltitude: change_to_rational(round(altitude)),
piexif.GPSIFD.GPSLatitudeRef: lat_deg[3],
piexif.GPSIFD.GPSLatitude: exiv_lat,
piexif.GPSIFD.GPSLongitudeRef: lng_deg[3],
piexif.GPSIFD.GPSLongitude: exiv_lng,
}
exif_dict = {"GPS": gps_ifd}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, file_name)
def rename_plant_in_exif_tags(image: Photo, plant_name_old: str,
plant_name_new: str) -> None:
"""
renames plant in image's plant tags; both in files and in images directory; preserves
last modified date of image file
"""
# we want to preserve the file's last-change-date
modified_time_seconds = modified_date(image.path_full_local) # seconds
# get a new list of plants for the image and convert it to exif tag syntax
image.tag_authors_plants.remove(plant_name_old)
image.tag_authors_plants.append(plant_name_new)
tag_authors_plants = ';'.join(image.tag_authors_plants).encode('utf-8')
# load file's current exif tags and overwrite the authors tag used for saving plants
exif_dict = piexif.load(image.path_full_local)
exif_dict['0th'][315] = tag_authors_plants # Windows Authors Tag
# update the file's exif tags physically
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, image.path_full_local)
# reset file's last modified date to the previous date
set_modified_date(image.path_full_local,
modified_time_seconds) # set access and modifide date
def jpegexifhide():
global filename, new_file
code = "vizsla"
img = Image.open(filename)
exifdata = img.getexif()
#print(exifdata)
#what = img.info.get('icc_profile', '')
#print(what)
#print(img.mode)
src = hiddenmessage
xorWord = lambda ss, cc: ''.join(chr(ord(s) ^ ord(c)) for s, c in zip(ss, cc * 100))
encrypt = xorWord(src, code)
new = encrypt.encode('ascii')
encoded = base64.b64encode(new)
b64message = encoded.decode('ascii')
exif_dict = piexif.load(filename)
exif_dict["0th"][piexif.ImageIFD.HostComputer] = b64message
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, filename, new_file="embedded_exif:" + filename)
new_file = "embedded_exif_" + filename
img.save(new_file, exif=exif_bytes)
newww = Image.open(new_file)
newexif = newww.getexif()
print(newexif)
def test_insert(self):
"""Can PIL open WebP that is inserted exif?"""
IMAGE_DIR = "tests/images/"
OUT_DIR = "tests/images/out/"
files = [
"tool1.webp",
"pil1.webp",
"pil2.webp",
"pil3.webp",
"pil_rgb.webp",
"pil_rgba.webp",
]
exif_dict = {
"0th": {
piexif.ImageIFD.Software: b"PIL",
piexif.ImageIFD.Make: b"Make",
}
}
exif_bytes = piexif.dump(exif_dict)
for filename in files:
try:
Image.open(IMAGE_DIR + filename)
except:
print("Pillow can't read {0}".format(filename))
continue
piexif.insert(exif_bytes, IMAGE_DIR + filename,
OUT_DIR + "ii_" + filename)
Image.open(OUT_DIR + "ii_" + filename)
def download_photos():
ssl._create_default_https_context = ssl._create_unverified_context
#Prep the download folder
folder = 'photos/'
if not os.path.exists(folder):
os.makedirs(folder)
print("Saving photos to " + folder)
#Download the photos
with open('tagged.json') as json_file:
data = json.load(json_file)
for i, d in enumerate(data['tagged']):
if d['media_type'] == 'image':
#Save new file
if d['fb_date'] == "Today":
filename_date = datetime.today().strftime('%Y-%m-%d')
elif d['fb_date'] == "Yesterday":
filename_date = datetime.today() - timedelta(days=1)
filename_date = filename_date.strftime('%Y-%m-%d')
else:
filename_date = parse(d['fb_date']).strftime("%Y-%m-%d")
img_id = d['media_url'].split('_')[1]
new_filename = folder + filename_date + '_' + img_id + '.jpg'
if os.path.exists(new_filename):
print("Already Exists (Skipping): %s" % (new_filename))
else:
delay = 1
while True:
try:
print("Downloading " + d['media_url'])
img_file = wget.download(d['media_url'],
new_filename, False)
break
except (TimeoutError, urllib.error.URLError) as e:
print("Sleeping for {} seconds".format(delay))
time.sleep(delay)
delay *= 2
#Update EXIF Date Created
exif_dict = piexif.load(img_file)
if d['fb_date'] == "Today":
exif_date = datetime.today().strftime(
"%Y:%m:%d %H:%M:%S")
elif d['fb_date'] == "Yesterday":
exif_date = datetime.today() - timedelta(days=1)
exif_date = exif_date.strftime("%Y:%m:%d %H:%M:%S")
else:
exif_date = parse(
d['fb_date']).strftime("%Y:%m:%d %H:%M:%S")
img_desc = d['fb_caption'] + '\n' + d[
'fb_tags'] + '\n' + d['fb_url'].split("&")[0]
exif_dict['Exif'][
piexif.ExifIFD.DateTimeOriginal] = exif_date
exif_dict['0th'][piexif.ImageIFD.Copyright] = (
d['user_name'] + ' (' + d['user_url']) + ')'
exif_dict['0th'][
piexif.ImageIFD.ImageDescription] = img_desc.encode(
'utf-8')
piexif.insert(piexif.dump(exif_dict), img_file)
print(str(i + 1) + ') Added ' + new_filename)
def saveImage(self):
self.flagEdit = 0
self.addNightState()
#self.moveImageToFolder()
exif_dict = piexif.load(self.imagepath)
labelList = []
#print self.bboxList
for bbox in self.bboxList:
if len(bbox) == self.lenLableContent and type(bbox) != str:
labelList.append(" ".join(str(x) for x in bbox))
if bbox == 'NIGHT' or \
bbox == 'DAY' :
labelList.append(bbox)
#print "label list: ",labelList
label = "#".join(labelList)
#print 'BBox List : ',self.bboxList
print 'Label new : ', label
exif_dict['Exif'][37510] = label
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, self.imagepath)
# with open(self.labelfilename, 'w') as f:
# f.write('%d\n' %len(self.bboxList))
# for bbox in self.bboxList:
# f.write(' '.join(map(str, bbox)) + '\n')
print 'Image No. %d saved' % (self.cur)
def download_album(account, password, main_folder_path):
cookie_object = Cookie(account=account, password=password)
for album_name, album_URL in Album(
cookie_object=cookie_object).iterate_album_info():
print("Working on album {} ...".format(album_name))
album_folder_path = os.path.join(main_folder_path, album_name)
os.makedirs(album_folder_path, exist_ok=True)
for image_name, image_URL_tuple, image_time in Image(
cookie_object=cookie_object,
album_URL=album_URL).iterate_image_info():
image_file_path = os.path.join(album_folder_path, image_name)
if os.path.isfile(image_file_path):
continue
print("Working on image {} ...".format(image_name))
for image_URL in image_URL_tuple:
download_image(image_URL, image_file_path)
if os.path.isfile(image_file_path):
break
if not os.path.isfile(image_file_path):
print("Failed to download image {}!".format(image_name))
continue
# Insert EXIF information
datetime_object = datetime.strptime(image_time,
"%a %b %d %H:%M:%S %Z %Y")
exif_ifd = {
piexif.ExifIFD.DateTimeOriginal: datetime_object.isoformat(" ")
}
exif_dict = {"Exif": exif_ifd}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, image_file_path)
def update_titles(self, files):
for file in files:
self.progress_bar["value"] += (100 / self.progress_bar.length)
self.tkinter_root.update_idletasks()
filepath = Path(self.directory) / file
if not filepath.suffix.lower().endswith(('.jpg', '.jpeg')):
continue
try:
im = Image.open(filepath)
except (OSError):
print("Could not open/read file: ", filepath)
continue
if "exif" not in im.info.keys():
continue
exif_dict = piexif.load(im.info["exif"])
title_field = file.rpartition(".")[0]
exif_dict["0th"].update(
{piexif.ImageIFD.ImageDescription: title_field})
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, im.filename)
def write_datetime(r, media_file_path):
try:
exif_update = 0
exif_dict = piexif.load(media_file_path)
# If media has no Exif datetime, add one based on timestamp
if piexif.ExifIFD.DateTimeOriginal not in exif_dict['Exif']:
exif_date = time.strftime("%Y:%m:%d %H:%M:%S",
time.localtime(r['ts_taken']))
exif_dict['Exif'][piexif.ExifIFD.DateTimeOriginal] = exif_date
exif_update = 1
# If there's a description, add it to file Exif
if r['description'] != '':
exif_dict['0th'][piexif.ImageIFD.ImageDescription] = r[
"description"].encode('utf-8')
exif_update = 1
if exif_update == 1:
piexif.insert(piexif.dump(exif_dict), media_file_path)
db['media_files'].update(r['media_path'], {"exif": 'Updated Exif'},
alter=True)
else:
db['media_files'].update(r['media_path'],
{"exif": 'Original Exif'},
alter=True)
except:
db['media_files'].update(r['media_path'], {"exif": 'No Exif'},
alter=True)
#Always update file modified date (master catch-all for timelines)
os.utime(media_file_path, (r['ts_taken'], ) * 2)
def add_gps_tags(path: str, gps_tags: {str: any}):
"""This method will add gps tags to the photo found at path"""
exif_dict = piexif.load(path)
for tag, tag_value in gps_tags.items():
exif_dict["GPS"][tag] = tag_value
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, path)
def download_media(url, dir, file_name, otime):
s = "\rdownloading %s -> %05.2f%% "
chunk_size = 1024
if otime:
exif_ifd = {piexif.ExifIFD.DateTimeOriginal: otime}
exif_dict = {"Exif": exif_ifd}
exif_bytes = piexif.dump(exif_dict)
with closing(requests.get(url, stream=True)) as r:
extension = "jpg"
if "content-type" in r.headers:
content_type = r.headers["content-type"]
extension = content_type[content_type.find("/") + 1:]
total_len = math.inf
if "content-length" in r.headers:
total_len = int(r.headers["content-length"])
current_len = 0
file_name = purge_file_name(file_name)
with _lock:
if not os.path.exists(dir):
os.makedirs(dir)
file_name = os.path.join(dir, "%s.%s" % (file_name, extension))
with open(file_name, "wb") as f:
for data in r.iter_content(chunk_size):
f.write(data)
current_len += len(data)
percent = 100 * current_len / total_len
print(s % (url, percent), end="")
if otime:
piexif.insert(exif_bytes, file_name)
print("\n%s is downloaded" % url)
def set_gps_location(image, lat, lng, altd):
lat_deg = convert_to_deg(lat, ["S", "N"])
lng_deg = convert_to_deg(lng, ["W", "E"])
exiv_lat = (convert_to_rational(lat_deg[0]),
convert_to_rational(lat_deg[1]),
convert_to_rational(lat_deg[2]))
exiv_lng = (convert_to_rational(lng_deg[0]),
convert_to_rational(lng_deg[1]),
convert_to_rational(lng_deg[2]))
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef: 1,
piexif.GPSIFD.GPSAltitude: convert_to_rational(round(altd)),
piexif.GPSIFD.GPSLatitudeRef: lat_deg[3],
piexif.GPSIFD.GPSLatitude: exiv_lat,
piexif.GPSIFD.GPSLongitudeRef: lng_deg[3],
piexif.GPSIFD.GPSLongitude: exiv_lng,
}
gps_exif = {"GPS": gps_ifd}
# get original exif data first
exif_data = piexif.load(image)
# update original exif data to include GPS tag
exif_data.update(gps_exif)
exif_bytes = piexif.dump(exif_data)
piexif.insert(exif_bytes, image)
def modify(filename, latitude, longitude, altitude, yaw, roll, pitch):
image_dict = piexif.load(filename)
du_lat, fen_lat, miao_lat = duTodufenmiao(latitude)
du_long, fen_long, miao_long = duTodufenmiao(longitude)
altitude = int(altitude)
yaw = abs(int(yaw * 100)) # 不能写入负数，当前求绝对值，应该用反码
roll = abs(int(roll * 100))
pitch = abs(int(pitch * 100))
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0),
piexif.GPSIFD.GPSLatitudeRef: 'N',
piexif.GPSIFD.GPSLatitude:
((du_lat, 1), (fen_lat, 1), (miao_lat, 100)),
piexif.GPSIFD.GPSLongitudeRef: 'E',
piexif.GPSIFD.GPSLongitude:
((du_long, 1), (fen_long, 1), (miao_long, 100)),
piexif.GPSIFD.GPSAltitudeRef: 0,
piexif.GPSIFD.GPSAltitude: (altitude, 1),
piexif.GPSIFD.GPSDOP: (30, 1),
piexif.GPSIFD.GPSSpeed: (yaw, 100),
piexif.GPSIFD.GPSTrack: (roll, 100),
piexif.GPSIFD.GPSImgDirection: (pitch, 100)
}
dateStamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
image_dict['GPS'] = gps_ifd
image_dict['Exif'][piexif.ExifIFD.DateTimeOriginal] = dateStamp
image_byte = piexif.dump(image_dict)
piexif.insert(image_byte, filename)
def set_gps_location(file_name, lat, lng, altitude):
"""Adds GPS position as EXIF metadata
Keyword arguments:
file_name -- image file
lat -- latitude (as float)
lng -- longitude (as float)
altitude -- altitude (as float)
"""
lat_deg, ref_lat = to_deg(lat, ["S", "N"])
lng_deg, ref_lng = to_deg(lng, ["W", "E"])
exif_lat = list(map(change_to_rational, lat_deg))
exif_lng = list(map(change_to_rational, lng_deg))
ref = 1 if altitude < 0 else 0
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef: ref,
piexif.GPSIFD.GPSAltitude: change_to_rational(abs(altitude)),
piexif.GPSIFD.GPSLatitudeRef: ref_lat,
piexif.GPSIFD.GPSLatitude: exif_lat,
piexif.GPSIFD.GPSLongitudeRef: ref_lng,
piexif.GPSIFD.GPSLongitude: exif_lng,
}
exif_dict = {"GPS": gps_ifd}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, file_name)
def date_from_filename():
Filenames = glob.glob('./*.jpg')
print(Filenames[0])
for Filename in Filenames:
print("Processing", Filename, end='\r')
ImageDataFromName = Filename[2:-4].split('-')
Year = ImageDataFromName[1][:4]
Month = ImageDataFromName[1][4:6]
Day = ImageDataFromName[1][6:8]
Seconds = int(ImageDataFromName[2][2:]) * 5
Hours = int(Seconds / 3600)
Seconds = Seconds % 3600
Minutes = int(Seconds / 60)
Seconds = Seconds % 60
OriginalDate = u"{y}:{M}:{d} {h}:{m}:{s}".format(y=Year,
M=Month,
d=Day,
h=Hours,
m=Minutes,
s=Seconds)
ExifData = piexif.load(Filename)
ExifData['Exif'] = {piexif.ExifIFD.DateTimeOriginal: OriginalDate}
ExifBytes = piexif.dump(ExifData)
piexif.insert(ExifBytes, Filename)
def date_manual():
filenames = glob.glob('./*.jpg')
year = get_date_component("Year: ", DEFAULT_YEAR)
month = get_date_component("Month: ", DEFAULT_MONTH)
day = get_date_component("Day: ", DEFAULT_DAY)
hours = get_date_component("Hour: ", DEFAULT_HOUR)
minutes = get_date_component("Minutes: ", DEFAULT_MINUTE)
seconds = get_date_component("Seconds: ", DEFAULT_SECOND)
date_entered = "{y}:{M}:{d} {h}:{m}:{s}".format(y=year,
M=month,
d=day,
h=hours,
m=minutes,
s=seconds)
n_files = 0
if prompt_confirm("\nSetting capture date to " + date_entered + "."):
for filename in filenames:
print("Processing", filename, end='\r')
date_entered = u"{y}:{M}:{d} {h}:{m}:{s}".format(y=year,
M=month,
d=day,
h=hours,
m=minutes,
s=seconds)
exif_data = piexif.load(filename)
exif_data['Exif'] = {piexif.ExifIFD.DateTimeOriginal: date_entered}
exif_bytes = piexif.dump(exif_data)
piexif.insert(exif_bytes, filename)
n_files += 1
input("Edited {} files. Press enter to continue ".format(n_files))
def override_date(file_path, year_month_date):
year, month, date = year_month_date
no_ext_file_path, ext = os.path.splitext(file_path)
_, file_name = os.path.split(no_ext_file_path)
prog = re.compile(".*([0-9]+)")
m = prog.match(file_name)
if m:
index = int(m.group(1))
hour = (int(index / (60 * 60)) % 24)
minute = (int(index / 60) % 60)
sec = index % 60
offset_hour = 12 + hour
import piexif
exif_dict = piexif.load(file_path)
new_date = "{:04}:{:02}:{:02} {:02}:{:02}:{:02}".format(
year, month, date, offset_hour, minute, sec)
exif_data = exif_dict["Exif"]
exif_data[piexif.ExifIFD.DateTimeOriginal] = new_date
exif_data[piexif.ExifIFD.DateTimeDigitized] = new_date
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, file_path)
change_time.set_time(file_path, int(year), int(month), int(date),
offset_hour, minute, sec, 0)
def SetGPSLocation(fileName, lat, lng): # altitude
"""Adds GPS position as EXIF metadata
Keyword arguments:
fileName -- image file
lat -- latitude (as float)
lng -- longitude (as float)
altitude -- altitude (as float)
"""
latDeg = ToDeg(lat, ["S", "N"])
lngDeg = ToDeg(lng, ["W", "E"])
exivLat = (ChangeToRational(latDeg[0]), ChangeToRational(latDeg[1]),
ChangeToRational(latDeg[2]))
exivLng = (ChangeToRational(lngDeg[0]), ChangeToRational(lngDeg[1]),
ChangeToRational(lngDeg[2]))
gpsIfd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef:
1,
# piexif.GPSIFD.GPSAltitude: ChangeToRational(round(altitude)),
piexif.GPSIFD.GPSLatitudeRef:
latDeg[3],
piexif.GPSIFD.GPSLatitude:
exivLat,
piexif.GPSIFD.GPSLongitudeRef:
lngDeg[3],
piexif.GPSIFD.GPSLongitude:
exivLng,
}
exifDict = {"GPS": gpsIfd}
exifBytes = piexif.dump(exifDict)
piexif.insert(exifBytes, fileName)
def _ed_ppx_exif(fle):
img = Image.open(fle)
# w, h = img.size
exif_dict = piexif.load(img.info['exif'])
#
# exif_dict['Exif'][piexif.ImageIFD.XResolution] = (w, 1)
# exif_dict['Exif'][piexif.ImageIFD.YResolution] = (h, 1)
# multiply by 1.5 to get 35mm equiv apparently (based on googling)
exif_dict['Exif'][piexif.ExifIFD.FocalLength]=(16, 30)
exif_dict['Exif'][piexif.ExifIFD.FocalLengthIn35mmFilm]=(24,45)
# if it was 30 as matej said
# exif_dict['Exif'][piexif.ExifIFD.FocalLengthIn35mmFilm]=(24,45)
# exif_dict["1st"][piexif.ImageIFD.XResolution] = (w, 1)
# exif_dict["1st"][piexif.ImageIFD.YResolution] = (h, 1)
#
# exif_dict["1st"][piexif.ExifIFD.FocalLength]=(50, 5)
#
# exif_dict["1st"][piexif.ExifIFD.FocalLengthIn35mmFilm]=(75,10)
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, fle)
def download_album(account, password, main_folder_path):
cookie_object = Cookie(account=account, password=password)
for album_name, album_URL in Album(cookie_object=cookie_object).iterate_album_info():
print("Working on album {} ...".format(album_name))
album_folder_path = os.path.join(main_folder_path, album_name)
os.makedirs(album_folder_path, exist_ok=True)
for image_name, image_URL_tuple, image_time in Image(cookie_object=cookie_object, album_URL=album_URL).iterate_image_info():
image_file_path = os.path.join(album_folder_path, image_name)
if os.path.isfile(image_file_path):
continue
print("Working on image {} ...".format(image_name))
for image_URL in image_URL_tuple:
download_image(image_URL, image_file_path)
if os.path.isfile(image_file_path):
break
if not os.path.isfile(image_file_path):
print("Failed to download image {}!".format(image_name))
continue
# Insert EXIF information
datetime_object = datetime.strptime(image_time, "%a %b %d %H:%M:%S %Z %Y")
exif_ifd = {piexif.ExifIFD.DateTimeOriginal: datetime_object.isoformat(" ")}
exif_dict = {"Exif": exif_ifd}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, image_file_path)
def AddGPS(latitude,longitude,image):
strLat = str(latitude)
strLon = str(longitude)
#on calcul les N S E W
if latitude>=0:
latRef = 'N'
else:
latRef='S'
if longitude>=0:
lonRef = 'E'
else :
lonRef='W'
#On supprime la virugle
strLat = strLat.replace('.','')
strLon = strLon.replace('.','')
#On charge la photo
print("---debut---"+str(image))
#on load les exif data
exif_dict = piexif.load(image)
#on ajoute les coordonnes
exif_dict["GPS"][piexif.GPSIFD.GPSLatitudeRef] = latRef
exif_dict["GPS"][piexif.GPSIFD.GPSLatitude] = [int(strLat),10000000]
exif_dict["GPS"][piexif.GPSIFD.GPSLongitudeRef] = lonRef
exif_dict["GPS"][piexif.GPSIFD.GPSLongitude] = [int(strLon), 10000000]
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, image)
print("---fin---")
def to_thumbnail(path, max_size=500):
img = cv2.imread(path, cv2.IMREAD_UNCHANGED)
# Scale % = max_size / (max width or height)
scale_percent = max_size / max(img.shape[0], img.shape[1])
width = int(img.shape[1] * scale_percent)
height = int(img.shape[0] * scale_percent)
dim = (width, height)
# Preserve exif data, if any
was_ok = False
try:
exif_bytes = piexif.dump(piexif.load(path))
was_ok = True
except:
print(path, " did not have exif data.")
# Resize image
resized = cv2.resize(img, dim, interpolation=cv2.INTER_AREA)
# Save image
cv2.imwrite(path, resized)
# Transfer exif data
if was_ok:
piexif.insert(exif_bytes, path)
return True
def write_exif(path):
exif = {"0th": {}, "Exif": {}, "GPS": {}, "1st": {}}
content = filename(args.content_img)
style_names = map(lambda x: filename(x), args.style_imgs)
styles = ",".join(style_names)
keywords = "{0},{1}".format(content, styles)
comment = "max_size={0},max_iterations={1},init_img_type={2},content_weight={3},style_weight={4},tv_weight={5},temporal_weight={6},content_loss_function={7}, color_convert_type={8},pooling_type={9},optimizer={10},learning_rate={11},model={12}".format(
args.max_size, args.max_iterations, args.init_img_type,
args.content_weight, args.style_weight, args.tv_weight,
args.temporal_weight, args.content_loss_function,
args.color_convert_type, args.pooling_type, args.optimizer,
args.learning_rate, args.model_weights)
exif["0th"][piexif.ImageIFD.XPAuthor] = bytearray(
"Sebastian Betzin".encode("utf-16-le"))
exif["0th"][piexif.ImageIFD.XPKeywords] = bytearray(
keywords.encode("utf-16-le"))
exif["0th"][piexif.ImageIFD.XPTitle] = bytearray(
content.encode("utf-16-le"))
exif["0th"][piexif.ImageIFD.XPSubject] = bytearray(
styles.encode("utf-16-le"))
exif["0th"][piexif.ImageIFD.XPComment] = bytearray(
comment.encode("utf-16-le"))
exif_bytes = piexif.dump(exif)
piexif.insert(exif_bytes, path)
def __set_gps_location(self, gpsTime):
"""Adds GPS position as EXIF metadata
Keyword arguments:
file_name -- image file
lat -- latitude (as float)
lng -- longitude (as float)
altitude -- altitude (as float)
"""
lat_deg = self.__to_deg(self.latitude, ["S", "N"])
lng_deg = self.__to_deg(self.longitude, ["W", "E"])
print(self.latitude)
print(self.longitude)
exiv_lat = (self.__change_to_rational(lat_deg[0]), self.__change_to_rational(lat_deg[1]), self.__change_to_rational(lat_deg[2]))
exiv_lng = (self.__change_to_rational(lng_deg[0]), self.__change_to_rational(lng_deg[1]), self.__change_to_rational(lng_deg[2]))
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef: 0,
piexif.GPSIFD.GPSAltitude: self.__change_to_rational(round(self.altitude)),
piexif.GPSIFD.GPSLatitudeRef: lat_deg[3],
piexif.GPSIFD.GPSLatitude: exiv_lat,
piexif.GPSIFD.GPSLongitudeRef: lng_deg[3],
piexif.GPSIFD.GPSLongitude: exiv_lng,
}
exif_dict = {"GPS": gps_ifd}
exif_bytes = piexif.dump(exif_dict) # BUG here in simulation maybe working in real life.
piexif.insert(exif_bytes, self.file_name)
def shoot_image_using_jpeg(self):
CameraControl.camera.resolution = self.params['max_resol']
CameraControl.image_stream = BytesIO()
temp_jpeg = '/tmp/jpeg_caputre.tmp'
self.shutterSound()
CameraControl.camera.capture(
temp_jpeg, 'jpeg', quality=CameraControl.params['jpeg_quality'])
#
# Add Exif
# orientation
#
exif_dict = piexif.load(temp_jpeg)
exif_dict["0th"][
piexif.ImageIFD.Orientation] = CameraControl.params['Orientation']
#piexif.remove(temp_jpeg)
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, temp_jpeg)
#
# Read file into BytesIO stream
#
f = open(temp_jpeg, 'rb')
image_stream = BytesIO()
CameraControl.image_stream.write(f.read())
f.close()
os.remove(temp_jpeg)
def upload_image():
if request.method == 'POST':
img_data = request.files['src']
filename = request.form['date']
location = request.form['location']
full_path = os.path.join(app.config['UPLOAD_FOLDER'], filename)
img_data.save(full_path)
# resize the image to fit
from PIL import Image
import piexif
basewidth = 480
img = Image.open(full_path)
wpercent = (basewidth / float(img.size[0]))
hsize = int((float(img.size[1]) * float(wpercent)))
img = img.resize((basewidth, hsize), Image.ANTIALIAS)
img.save(full_path)
# update metadata to store location
piexif.remove(full_path)
exif_dict = piexif.load(full_path)
exif_dict['Exif'] = {piexif.ExifIFD.UserComment: str(location)}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, full_path)
return 'SUCCESS'
def save_seq_num(img,img_name,seq):
key = get_config('tags')[2]
value = str(seq)
tags = get_meta_dict(img)
tags[key] = value
debug('new tag dict to insert',tags)
exif_bytes = piexif.dump(tags)
piexif.insert(exif_bytes, img_name)
def test_insert_m(self):
"""'insert' on memory.
"""
exif_dict = {"0th":ZEROTH_IFD, "Exif":EXIF_IFD, "GPS":GPS_IFD}
exif_bytes = piexif.dump(exif_dict)
o = io.BytesIO()
piexif.insert(exif_bytes, I1, o)
self.assertEqual(o.getvalue()[0:2], b"\xff\xd8")
exif = load_exif_by_PIL(o)
def insert_sample():
zeroth_ifd = {282: (96, 1),
283: (96, 1),
296: 2,
305: 'piexif'}
exif_bytes = piexif.dump({"0th":zeroth_ifd})
piexif.insert(exif_bytes,
"remove_sample.jpg",
"insert_sample.jpg")
def test_insert_fail1(self):
with open(INPUT_FILE1, "rb") as f:
data = f.read()
with open("insert.jpg", "wb+") as f:
f.write(data)
exif_dict = {"0th":ZEROTH_IFD, "Exif":EXIF_IFD, "GPS":GPS_IFD}
exif_bytes = piexif.dump(exif_dict)
with self.assertRaises(ValueError):
piexif.insert(exif_bytes, INPUT_FILE_TIF)
os.remove("insert.jpg")
def writeExifUserComment(imagePath,userCommentAsDict): # read in the exif data, add the user comment as json, and write it exif_dict = piexif.load(imagePath) # convert the jason to proper encoding user_comment = piexif.helper.UserComment.dump(json.dumps(userCommentAsDict)) # pop it into the exif_dict exif_dict["Exif"][piexif.ExifIFD.UserComment] = user_comment # get the exif as bytes exif_bytes = piexif.dump(exif_dict) # insert the modified exif_bytes piexif.insert(exif_bytes, imagePath)
def download_photos():
ssl._create_default_https_context = ssl._create_unverified_context
#Prep the download folder
folder = 'photos/'
if not os.path.exists(folder):
os.makedirs(folder)
print("Saving photos to " + folder)
#Download the photos
with open('tagged.json') as json_file:
data = json.load(json_file)
for i,d in enumerate(data['tagged']):
if d['media_type'] == 'image':
#Save new file
if d['fb_date'] == "Today":
filename_date = datetime.today().strftime('%Y-%m-%d')
elif d['fb_date'] == "Yesterday":
filename_date = datetime.today() - timedelta(days=1)
filename_date = filename_date.strftime('%Y-%m-%d')
else:
filename_date = parse(d['fb_date']).strftime("%Y-%m-%d")
img_id = d['media_url'].split('_')[1]
new_filename = folder + filename_date + '_' + img_id + '.jpg'
if os.path.exists(new_filename):
print("Already Exists (Skipping): %s" % (new_filename))
else:
delay = 1
while True:
try:
print("Downloading " + d['media_url'])
img_file = wget.download(d['media_url'], new_filename, False)
break
except (TimeoutError, urllib.error.URLError) as e:
print("Sleeping for {} seconds".format(delay))
time.sleep(delay)
delay *= 2
#Update EXIF Date Created
exif_dict = piexif.load(img_file)
if d['fb_date'] == "Today":
exif_date = datetime.today().strftime("%Y:%m:%d %H:%M:%S")
elif d['fb_date'] == "Yesterday":
exif_date = datetime.today() - timedelta(days=1)
exif_date = exif_date.strftime("%Y:%m:%d %H:%M:%S")
else:
exif_date = parse(d['fb_date']).strftime("%Y:%m:%d %H:%M:%S")
img_desc = d['fb_caption'] + '\n' + d['fb_tags'] + '\n' + d['fb_url'].split("&")[0]
exif_dict['Exif'][piexif.ExifIFD.DateTimeOriginal] = exif_date
exif_dict['0th'][piexif.ImageIFD.Copyright] = (d['user_name'] + ' (' + d['user_url']) + ')'
exif_dict['0th'][piexif.ImageIFD.ImageDescription] = img_desc.encode('utf-8')
piexif.insert(piexif.dump(exif_dict), img_file)
print(str(i+1) + ') Added '+ new_filename)
def set_photo_exif(path, date):
"""Set EXIF date on a photo, do nothing if there is an error"""
try:
exif_dict = piexif.load(path)
exif_dict.get("1st")[306] = date
exif_dict.get("Exif")[36867] = date
exif_dict.get("Exif")[36868] = date
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, path)
except (ValueError, InvalidImageDataError):
logger = setup_logger()
logger.debug("Error setting EXIF data for %s", path)
return
def add_exif(raw_file,outfile):
f = open(raw_file, 'rb')
tags = exifread.process_file(f)
exif_ifd = {piexif.ExifIFD.DateTimeOriginal: str(tags['EXIF DateTimeOriginal'])}
# create nested dic
exif_dict = {"Exif":exif_ifd}
# turn dict into format that can be sent as exif
exif_dic_bytes = piexif.dump(exif_dict)
# write exif into jpeg file
piexif.insert(exif_dic_bytes, outfile)
def write(self, filename=None):
"""Save exif data to file."""
if filename is None:
filename = self._filename
exif_bytes = piexif.dump(self._ef)
with open(self._filename, "rb") as fin:
img = fin.read()
try:
piexif.insert(exif_bytes, img, filename)
except IOError:
type, value, traceback = sys.exc_info()
print >> sys.stderr, "Error saving file:", value
def test_insert(self):
exif_dict = {"0th":ZEROTH_IFD, "Exif":EXIF_IFD, "GPS":GPS_IFD}
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, INPUT_FILE1, "insert.jpg")
exif = load_exif_by_PIL("insert.jpg")
piexif.insert(exif_bytes, NOEXIF_FILE, "insert.jpg")
with self.assertRaises(ValueError):
piexif.insert(b"dummy", io.BytesIO())
piexif.insert(exif_bytes, "insert.jpg")
os.remove("insert.jpg")
def remove_gps_folder(folder, new_folder=None, original=True, status_print=False):
"""Remove GPS from EXIF of all jpgs in a folder.
folder: Location of original folder.
new_folder: Location of folder for modified images. Optional.
original: Flag indicating whether to use original image data. Optional.
Default is True. Alternative would be to replace EXIF of existing
images with matching filenames.
status_print: Flag indicating whether to print current progress.
Optional. Default is False.
"""
folder = _check_path(folder)
if new_folder == None:
new_folder = folder
elif not os.path.exists(new_folder):
os.mkdir(new_folder)
photos = os.listdir(folder)
photos.sort()
for photo in photos:
if os.path.isfile(os.path.join(folder, photo)):
if (os.path.splitext(photo)[1]).lower() == ".jpg":
old_file = os.path.join(folder, photo)
new_file = os.path.join(new_folder, photo)
gps = None
if original == False:
(exif_bytes, gps) = remove_gps_exif(old_file)
piexif.insert(exif_bytes, new_file)
else:
gps = remove_gps_photo(old_file, new_file)
if status_print == True:
if gps:
print photo
else:
print gps
print photo + " - Nope!"
def test_roundtrip_files(self):
files = glob.glob(os.path.join("tests", "images", "r_*.jpg"))
for input_file in files:
print(input_file)
exif = piexif.load(input_file)
exif_bytes = piexif.dump(exif)
o = io.BytesIO()
piexif.insert(exif_bytes, input_file, o)
e = piexif.load(o.getvalue())
t = e.pop("thumbnail")
thumbnail = exif.pop("thumbnail")
if t is not None:
if not (b"\xe0" <= thumbnail[3:4] <= b"\xef"):
self.assertEqual(t, thumbnail)
else:
print("Given JPEG doesn't follow exif thumbnail standard. "
"APPn segments in thumbnail should be removed, "
"whereas thumbnail JPEG has it. \n: " +
input_file)
exif["1st"].pop(513)
e["1st"].pop(513)
exif["1st"].pop(514)
e["1st"].pop(514)
for ifd in e:
if ifd == "0th":
if ImageIFD.ExifTag in exif["0th"]:
exif["0th"].pop(ImageIFD.ExifTag)
e["0th"].pop(ImageIFD.ExifTag)
if ImageIFD.GPSTag in exif["0th"]:
exif["0th"].pop(ImageIFD.GPSTag)
e["0th"].pop(ImageIFD.GPSTag)
elif ifd == "Exif":
if ExifIFD.InteroperabilityTag in exif["Exif"]:
exif["Exif"].pop(ExifIFD.InteroperabilityTag)
e["Exif"].pop(ExifIFD.InteroperabilityTag)
for key in exif[ifd]:
self.assertEqual(exif[ifd][key], e[ifd][key])
print(" - pass")
def _update(self):
packed = piexif.dump(self.exif)
piexif.insert(packed, self.filename)
def get_file_from_json_struct(data_obj_json_struct, output_dir, fn, thumbnail_size, add_percent=12.5):
"""
Get and crop a file using data present in an EoL json response, which includes object ID, crop info, etc
Return the rights & license, or None if something failed. Directories are created as necessary
"""
#NB: image_cols = ['dataObjectVersionID','eolMediaURL','vettedStatus','dataRating','crop_x', 'crop_y', 'crop_width']
#note that crop_width is in percent ****
import shutil
from subprocess import call
import urllib.request
import urllib.error
import piexif
CONVERT = shutil.which('convert') #needed in windows, to get the correct 'convert' command
d=data_obj_json_struct
fn = str(fn)
os.umask(0o002) #set group write so that the normal login has same rights as the web server
os.makedirs(output_dir, exist_ok=True)
if 'eolMediaURL' not in d:
logger.error("'eolMediaURL' must be present in data object {}.".format(d))
return None
try:
output_fn = os.path.join(output_dir, fn)
image_orig = output_fn + '_orig.jpg'
image_intermediate = output_fn + '_tmp.jpg'
image_final = output_fn + '.jpg'
logger.info("Downloading {} to {}.".format(d['eolMediaURL'], image_orig))
try:
urllib.request.urlretrieve(d['eolMediaURL'], image_orig)
os.chmod(image_orig, 0o664) #allow both the webserver and the web2py user (both in the same group) to overwrite these files
except urllib.error.HTTPError as err:
if err.code == 404:
logger.warning("404: File '{0}' missing for data object {1} @ http://eol.org/data_objects/{1}".format(d['eolMediaURL'], image_orig))
return None
else:
raise
#calculate fractions as proportion of square thumbnail
try:
initial_thumb_px = float(d['crop_width'])
crop_top_fraction = float(d['crop_y'])/initial_thumb_px
crop_bottom_fraction = (float(d['height']) - float(d['crop_y']) - initial_thumb_px)/initial_thumb_px
crop_left_fraction = float(d['crop_x'])/initial_thumb_px
crop_right_fraction = (float(d['width']) - float(d['crop_x']) - initial_thumb_px)/initial_thumb_px
min_crop_fraction = min(crop_top_fraction, crop_bottom_fraction, crop_left_fraction, crop_right_fraction)
if min_crop_fraction < 0:
#the crop is right against the corner, and we cannot make it bigger
top = str(int(round(float(d['crop_y']))))
left = str(int(round(float(d['crop_x']))))
size = str(int(round(float(d['crop_width']))))
if add_percent>0:
logger.debug("Cannot expand crop for data object {} by {}%: image is against the edge.".format(fn, add_percent))
else:
if min_crop_fraction > add_percent/100.0:
min_crop_fraction = add_percent/100.0
else:
if add_percent>0:
logger.debug("NOTICE: Cannot expand crop for data object {} by {}%: borders are not large enough, so using {}%.".format(fn, add_percent, min_crop_fraction*100))
min_crop_pixels = min_crop_fraction * initial_thumb_px
top = str(int(round(float(d['crop_y']) - min_crop_pixels)))
left = str(int(round(float(d['crop_x']) - min_crop_pixels)))
size = str(int(round(initial_thumb_px + 2*min_crop_pixels)))
logger.log(logging.EXTREME_DEBUG, "crop info: {}...{}, {}".format(initial_thumb_px, 2*min_crop_pixels, size))
cmd = [CONVERT, image_orig, '-crop', size+'x'+size+'+'+left+'+'+top, '+repage',
'-resize', str(thumbnail_size)+'x'+str(thumbnail_size), image_intermediate
]
logger.debug("Custom crop: {}.".format(" ".join(cmd)))
except KeyError:
#hasn't got crop info: use default
cmd = [CONVERT, image_orig, '-gravity', 'Center',
'-resize', str(thumbnail_size)+'x'+str(thumbnail_size)+'^', "-extent", str(thumbnail_size)+'x'+str(thumbnail_size), image_intermediate
]
logger.debug("Default crop: {}.".format(" ".join(cmd)))
call(cmd)
r, l = get_credit(d, fn)
copyright_str = ' / '.join([r, l])
rating = convert_rating(d['dataRating']) #EXIF 'Rating' is 16bit unsigned, i.e. 0-65535. EoL ratings are 0-5 floating point, so for ease of mapping we multiply EOL ratings by 10,000 to get ratings from 0-50,000
#call(['exiftool', '-q', '-codedcharacterset=utf8', '-IPTC:Contact='+'http://eol.org/data_objects/'+fn, '-IPTC:Credit='+r, '-IPTC:CopyrightNotice='+l, '-overwrite_original', '-m', image_orig])
piexif.insert(piexif.dump({"0th":{piexif.ImageIFD.Copyright:copyright_str.encode("utf8"), piexif.ImageIFD.Rating:rating}, "Exif":{}}), image_intermediate)
logger.info("Downloaded with rating {} and cropped into {}".format(rating, image_intermediate))
except OSError as e:
logger.error("Cannot call 'convert' properly: {}\n Have you installed Imagemagick?".format(e))
return None
try:
os.remove(image_orig)
os.chmod(image_intermediate, 0o664) #allow both www & web2py to overwrite, etc
if os.path.exists(image_final) and filecmp.cmp(image_intermediate, image_final, shallow=False):
logger.info("Deleted large original, but cropped version is identical to old image ({}), so not replacing".format(image_final))
os.remove(image_intermediate)
else:
os.replace(image_intermediate, image_final)
logger.info("Deleted large original and moved cropped image from {} into {}".format(image_intermediate, image_final))
except OSError as e:
logger.warning("Could not remove the original downloaded file, or move the new file to its final place: {} \nPerhaps EoL has a problem.".format(e))
return None
return (r,l)
def main():
opt_parser = optparse.OptionParser()
opt_parser.add_option(
'-l', '--locaction', dest='loc',
help='Location to set')
options, args = opt_parser.parse_args()
if options.loc:
parts = options.loc.split(',')
if len(parts) < 2 or len(parts) > 3:
print 'location must be 2 or 3 parts'
return
specified_gps_info = GPSInfo(
float(parts[0].strip()), float(parts[1].strip()),
float(parts[2].strip()) if len(parts) == 3 else None)
else:
specified_gps_info = None
if not specified_gps_info:
time_maps = {}
for fn in args:
if fn.endswith('.kml'):
kml = ET.parse(fn)
track = kml.find('.//gx:Track', KMLNS)
when = coord = None
for e in track.getchildren():
if e.tag.endswith('when'):
when = parser.parse(e.text)
elif e.tag.endswith('coord'):
coord = e.text
time_maps[when] = coord
timed_locs = sorted(time_maps.iteritems())
default_tz = None
tzs = set(x.tzinfo.utcoffset(None) for x, _ in timed_locs)
if len(tzs) == 1:
default_tz = timed_locs[0][0].tzinfo
for fn in args:
if not fn.endswith('.kml'):
try:
exif = piexif.load(fn)
except:
print 'Fail to load exif from %s' % fn
continue
if specified_gps_info:
gps_info = specified_gps_info
else:
time = exif['Exif'][piexif.ExifIFD.DateTimeOriginal]
if not time:
print 'DateTimeOriginal not found in ' + fn
continue
dp, tp = time.split(' ', 2)
time = ' '.join([dp.replace(':', '/'), tp]);
t = parser.parse(time)
if not t.tzinfo:
t = t.replace(tzinfo=default_tz)
p = bisect.bisect(timed_locs, (t, None))
if p == 0:
g = 0
elif p == len(timed_locs):
g = len(timed_locs) - 1
else:
dt0 = t - timed_locs[p - 1][0]
dt1 = timed_locs[p][0] - t
if dt0 < dt1:
g = p - 1
else:
g = p
gps_info = kml_loc_to_gpsinfo(timed_locs[g][1])
lonref, lon = to_gps_latlon(gps_info.longitude, ('E', 'W'))
exif['GPS'][piexif.GPSIFD.GPSLongitudeRef] = lonref
exif['GPS'][piexif.GPSIFD.GPSLongitude] = lon
latref, lat = to_gps_latlon(gps_info.latitude, ('N', 'S'))
exif['GPS'][piexif.GPSIFD.GPSLatitudeRef] = latref
exif['GPS'][piexif.GPSIFD.GPSLatitude] = lat
if gps_info.altitude:
altref, alt = to_gps_alt(gps_info.altitude)
exif['GPS'][piexif.GPSIFD.GPSAltitudeRef] = altref
exif['GPS'][piexif.GPSIFD.GPSAltitude] = alt
if not specified_gps_info:
u = timed_locs[g][0].utctimetuple()
exif['GPS'][piexif.GPSIFD.GPSTimeStamp] = (
(u.tm_hour, 0), (u.tm_min, 0), (u.tm_sec, 0))
exif['GPS'][piexif.GPSIFD.GPSDateStamp] = '%04d:%02d:%02d' % (
u.tm_year, u.tm_mon, u.tm_mday)
piexif.insert(piexif.dump(exif), fn)
if specified_gps_info:
print 'Tagged %s' % fn
else:
dt = timed_locs[g][0] - t
print 'Tagged %s (%s) with %d seconds certainty at %s, %s' % (
fn, time, abs(dt.total_seconds()), gps_info.latitude,
gps_info.longitude)
def writeExifToFile(exifDict, fileAddress):
exifBytes = piexif.dump(exifDict)
piexif.insert(exifBytes, fileAddress)
def test_insert_fail2(self):
exif_dict = {"0th":ZEROTH_IFD, "Exif":EXIF_IFD, "GPS":GPS_IFD}
exif_bytes = piexif.dump(exif_dict)
with self.assertRaises(ValueError):
piexif.insert(exif_bytes, I1, False)
def getExif(fileName):
vyrez = Image.open(fileName)
exifDict = piexif.load(vyrez.info["exif"])
print(exifDict)
return exifDict
exifDict=getExif('vyrez.jpg')
oldThumb = exifDict["thumbnail"]
#I chose to hide the secret text message in the field "Software"
exifDict["1st"][piexif.ImageIFD.Software] = "-------------Tajna zprava---------------------"
exifDict["thumbnail"] = ImageDump("wolf.jpg")
exifBytes = piexif.dump(exifDict)
piexif.insert(exifBytes, "vyrez.jpg")
exifDict2 = getExif('vyrez.jpg')
#print text message stored in exif
print(exifDict2["1st"][piexif.ImageIFD.Software])
#now remove the meta image and secret message:
exifDict2["thumbnail"] = oldThumb
exifDict2["1st"][piexif.ImageIFD.Software] = ""
exifBytes2 = piexif.dump(exifDict2)
piexif.insert(exifBytes2, "vyrez.jpg")
exifDict3 = getExif('vyrez.jpg')
#print text message stored in exif
print(exifDict3["1st"][piexif.ImageIFD.Software])
print(camera_capture.data['alt'][offsets[offset]])
lat = camera_capture.data['lat'][offsets[offset]]
lng = camera_capture.data['lon'][offsets[offset]]
altitude = camera_capture.data['alt'][offsets[offset]]
lat_deg = to_deg(lat, ["S", "N"])
lng_deg = to_deg(lng, ["W", "E"])
exiv_lat = (change_to_rational(lat_deg[0]), change_to_rational(lat_deg[1]), change_to_rational(lat_deg[2]))
exiv_lng = (change_to_rational(lng_deg[0]), change_to_rational(lng_deg[1]), change_to_rational(lng_deg[2]))
gps_ifd = {
piexif.GPSIFD.GPSVersionID: (2, 0, 0, 0),
piexif.GPSIFD.GPSAltitudeRef: 0,
piexif.GPSIFD.GPSAltitude: change_to_rational(round(altitude)),
piexif.GPSIFD.GPSLatitudeRef: lat_deg[3],
piexif.GPSIFD.GPSLatitude: exiv_lat,
piexif.GPSIFD.GPSLongitudeRef: lng_deg[3],
piexif.GPSIFD.GPSLongitude: exiv_lng,
}
exif_dict["GPS"] = gps_ifd
exif_bytes = piexif.dump(exif_dict)
piexif.insert(exif_bytes, f)
else:
print "Could not georeference"
print "Done"
def write_gps(filename, lat, longit, altitude): #lat and long are decimals
gps = {} #create array
#Altitude
if altitude<0:
gps[piexif.GPSIFD.GPSAltitudeRef] = 1; #Below see level
else:
gps[piexif.GPSIFD.GPSAltitudeRef] = 0; #Above see level
gps[piexif.GPSIFD.GPSAltitude]= (int(abs(altitude)*100),100)
#Latitude
if lat<0:
gps[piexif.GPSIFD.GPSLatitudeRef] = "S"
else:
gps[piexif.GPSIFD.GPSLatitudeRef] = "N"
latd,latm,lats = ExifWriter._decdeg2dms(lat)
gps[piexif.GPSIFD.GPSLatitude] = [(latd,1),(latm,1),(lats*100,100)];
#Longitude
if longit<0:
gps[piexif.GPSIFD.GPSLongitudeRef] = "W"
else:
gps[piexif.GPSIFD.GPSLongitudeRef] = "E"
longd,longm,longs = ExifWriter._decdeg2dms(longit)
gps[piexif.GPSIFD.GPSLongitude] = [(longd,1),(longm,1),(longs*100,100)];
exifdict = piexif.load(filename)
exifdict["GPS"] = gps
exif_bytes = piexif.dump(exifdict)
piexif.insert(exif_bytes, filename)
exifdict = piexif.load(filename)
