class Model:
def __init__(self):
self.listImages = Observable()
def observe(self, slot1, slot2, slot3):
self.listImages.observe(slot1, slot2, slot3)
def add_imgs(self, path_imgs):
""" stores the images in the list """
try:
for img in path_imgs:
if img in self.listImages.previews:
print('image {} is already in the list'.format(img))
path_imgs.remove(img)
self.listImages.previews = path_imgs
if self.listImages.current_img == None:
self.upload_img(self.listImages.previews[0])
except:
return
def delete_AllImgs(self):
""" delete all the images"""
self.listImages.remove_all_imgs()
def delete_SelectedImgs(self, items):
""" delete selected images"""
path_imgs_del = [i.toolTip() for i in items]
if collections.Counter(path_imgs_del) == collections.Counter(
self.listImages.previews):
print('deleted all imgs')
return self.delete_AllImgs()
current_img = self.listImages.currentImage
if current_img in path_imgs_del: # if the current img is deleted, upload the next img
img_up = self.search_up_img(
path_imgs_del[path_imgs_del.index(current_img):])
self.upload_img(img_up)
self.listImages.remove_imgs(path_imgs_del, items)
def search_up_img(self, next_partial_imgs_del):
""" search the next (not deleted) image in list to show it """
for img in next_partial_imgs_del:
next = self.get_next_img(
img
) # if img is the last of the list the next returned is the first
if next not in next_partial_imgs_del:
return next
def upload_img(self, path_img):
""" stores the image to show with its exif data """
if type(path_img) != str:
path_img = path_img.toolTip()
exif = self.extract_exif_data(path_img)
self.listImages.upload_img(path_img, exif)
def upload_previous_img(self):
""" stores the previous image to shown """
current_img = self.listImages.currentImage
if current_img != None:
prev_img = self.get_prev_img(current_img)
self.upload_img(prev_img)
else:
pass
def get_prev_img(self, current_img):
""" returns the previous image of the current one """
list = self.listImages.previews
indx_prev = (list.index(current_img) - 1) % len(list)
prev_img = list[indx_prev]
return prev_img
def upload_next_img(self):
""" stores the next image in the list """
current_img = self.listImages.currentImage
if current_img != None:
next_img = self.get_next_img(current_img)
self.upload_img(next_img)
else:
pass
def get_next_img(self, current_img):
""" returns the next image of the current one """
list = self.listImages.previews
indx_next = (list.index(current_img) + 1) % len(list)
next_img = list[indx_next]
return next_img
def extract_exif_data(self, path_img):
""" extract the exif data from the image"""
try:
img = PIL.Image.open(path_img)
self.exif = {
PIL.ExifTags.TAGS[k]: v
for k, v in img._getexif().items() if k in PIL.ExifTags.TAGS
}
if 'GPSInfo' in self.exif.keys():
latitude = str(
self.getCoordinate(self.exif['GPSInfo'][2],
self.exif['GPSInfo'][1]))
longitude = str(
self.getCoordinate(self.exif['GPSInfo'][4],
self.exif['GPSInfo'][3]))
self.exif[
'GPSInfo'] = "https://www.google.com/maps/search/?api=1&query=" + str(
latitude) + "," + str(longitude)
return self.exif
except:
return None
def getCoordinate(self, value, cardinal_point):
""" return latitude or longitude coordinate """
d, m, s = value
if cardinal_point in ['S', 'W']:
d = -d
m = -m
s = -s
return d + m / 60.0 + s / 3600.0
