def getImages(self, keyword):
# Create filename from keyword
filename = hashlib.new('sha1')
filename.update(keyword)
filename = filename.hexdigest() + ".json"
filename = os.path.join(self.settings.get('tempfolder'), filename)
if os.path.exists(filename) and self.settings.getUser(
'refresh-content') > 0: # Check age!
age = math.floor((time.time() - os.path.getctime(filename)) / 3600)
if age >= self.settings.getUser('refresh-content'):
logging.debug('File too old, %dh > %dh, refreshing' %
(age, self.settings.getUser('refresh-content')))
os.remove(filename)
# Make sure we don't remember since we're refreshing
memory = remember(filename, 0)
memory.forget()
if not os.path.exists(filename):
# Request albums
# Picasa limits all results to the first 1000, so get them
params = {
'kind':
'photo',
'start-index':
1,
'max-results':
1000,
'alt':
'json',
'access':
'all',
'imgmax':
'1600u', # We will replace this with width of framebuffer in pick_image
# This is where we get cute, we pick from a list of keywords
'fields':
'entry(title,content,gphoto:timestamp,gphoto:videostatus)' # No unnecessary stuff
}
if keyword != "":
params['q'] = keyword
url = 'https://picasaweb.google.com/data/feed/api/user/default'
logging.debug('Downloading image list for %s...' % keyword)
data = self.oauth.request(url, params=params)
with open(filename, 'w') as f:
f.write(data.content)
images = None
try:
with open(filename) as f:
images = json.load(f)
logging.debug('Loaded %d images into list' %
len(images['feed']['entry']))
return images, filename
except:
logging.exception('Failed to load images')
os.remove(filename)
return None, filename
def presentation(self):
logging.info('Starting presentation')
seen = []
delay = 0
while True:
# Avoid showing images if the display is off
if self.queryPowerFunc is not None and self.queryPowerFunc(
) is False:
logging.info("Display is off, exit quietly")
break
imgs = cache = memory = None
index = self.settings.getKeyword()
tries = 20
time_process = time.time()
while tries > 0:
tries -= 1
if len(seen) == self.settings.countKeywords():
# We've viewed all images, reset
logging.info(
'All images we have keywords for have been seen, restart'
)
logging.info('Seen holds: %s', repr(seen))
logging.info('Settings.countKeywords() = %d',
self.settings.countKeywords())
for saw in seen:
r = remember(saw, 0)
r.debug()
r.forget()
r = remember('/tmp/overallmemory.json', 0)
r.debug()
r.forget()
if self.settings.getUser('refresh-content') == 0:
logging.info('Make sure we refresh all images now')
for saw in seen:
os.remove(saw)
seen = []
keyword = self.settings.getKeyword(index)
imgs, cache = self.getImages(keyword)
if imgs is None:
# Try again!
continue
# If we've seen all images for this keyword, skip to next
if cache in seen:
index += 1
if index == self.settings.countKeywords():
index = 0
continue
memory = remember(cache, len(imgs['feed']['entry']))
if not imgs or memory.seenAll():
if not imgs:
logging.error(
'Failed to load image list for keyword %s' %
keyword)
elif memory.seenAll():
seen.append(cache)
logging.debug(
'All images for keyword %s has been shown' %
keyword)
continue
# Now, lets make sure we didn't see this before
uri, mime, title, ts = self.pickImage(imgs, memory)
if uri == '':
logging.warning('No image was returned from pickImage')
continue # Do another one (well, it means we exhausted available images for this keyword)
# Avoid having duplicated because of overlap from keywords
memory = remember('/tmp/overallmemory.json', 0)
if memory.seen(uri):
continue
else:
memory.saw(uri)
ext = helper.getExtension(mime)
if ext is not None:
filename = os.path.join(self.settings.get('tempfolder'),
'image.%s' % ext)
if self.downloadImage(uri, filename):
self.imageCurrent = filename
self.imageMime = mime
break
else:
logging.warning(
'Failed to download image, trying another one')
else:
logging.warning('Mime type %s isn\'t supported' % mime)
time_process = time.time() - time_process
# Delay before we show the image (but take processing into account)
# This should keep us fairly consistent
if time_process < delay:
time.sleep(delay - time_process)
if tries == 0:
self.display.message(
'Issues showing images\n\nCheck network and settings')
else:
self.display.image(self.imageCurrent)
os.remove(self.imageCurrent)
delay = self.settings.getUser('interval')
self.thread = None
def getImages(self, keyword):
# Create filename from keyword
filename = hashlib.new('sha1')
filename.update(repr(keyword))
filename = filename.hexdigest() + ".json"
filename = os.path.join(self.settings.get('tempfolder'), filename)
if os.path.exists(filename) and self.settings.getUser('refresh-content') > 0: # Check age!
age = math.floor( (time.time() - os.path.getctime(filename)) / 3600)
if age >= self.settings.getUser('refresh-content'):
logging.debug('File too old, %dh > %dh, refreshing' % (age, self.settings.getUser('refresh-content')))
os.remove(filename)
# Make sure we don't remember since we're refreshing
memory = remember(filename, 0)
memory.forget()
if not os.path.exists(filename):
# check if keyword is album
'''url = 'https://photoslibrary.googleapis.com/v1/albums'
data = self.oauth.request(url).json()
albumid = None
picturecount = self.settings.getUser('picturecount')
for i in range(len(data['albums'])):
if 'title' in data['albums'][i] and data['albums'][i]['title'] == keyword:
albumid = data['albums'][i]['id']
if albumid is None:
url = 'https://photoslibrary.googleapis.com/v1/sharedAlbums'
data = self.oauth.request(url).json()
for i in range(len(data['sharedAlbums'])):
if 'title' in data['sharedAlbums'][i] and data['sharedAlbums'][i]['title'] == keyword:
albumid = data['sharedAlbums'][i]['id']
# fallback to all pictures if album not available
if albumid is not None:
logging.debug('Got album: %s' % keyword)
params = {
'albumId' : albumid,
'pageSize' : picturecount,
}
else:
logging.debug('Couldn\'t get album: %s falling back to all images.' % keyword)
params = {
'pageSize' : picturecount,
'filters': {
'mediaTypeFilter': {
'mediaTypes': [
'PHOTO'
]
}
}
}
# Request albums
url = 'https://photoslibrary.googleapis.com/v1/mediaItems:search'
#logging.debug('Downloading image list for %s...' % keyword)
data = self.oauth.request(url, params=params,post=True)
'''
albumid = None
albumid = self.checkForOwnAlbum(keyword)
if albumid is None:
albumid = self.checkForSharedAlbum(keyword)
data = self.getPhotoList(albumid)
if len(data) == 0:
logging.warning('Requesting photo failed with status code %d (%s)', data.status_code, data.reason)
return None, filename
with open(filename, 'w') as f:
json.dump(data,f)
images = None
try:
with open(filename) as f:
images = json.load(f)
logging.debug('Loaded %d images into list' % len(images))
return images, filename
except:
logging.exception('Failed to load images')
os.remove(filename)
return None, filename
