def loadURL(self):
self.loadDefault()
self.cover_fetcher = ImageFetcher()
self.cover_fetcher.fetchComplete.connect(self.coverRemoteFetchComplete)
self.cover_fetcher.fetch(self.url_list[self.imageIndex])
def getIssueCoverMatchScore(
self,
comicVine,
issue_id,
primary_img_url,
primary_thumb_url,
page_url,
localCoverHashList,
useRemoteAlternates=False,
useLog=True):
# localHashes is a list of pre-calculated hashs.
# useRemoteAlternates - indicates to use alternate covers from CV
try:
url_image_data = ImageFetcher().fetch(
primary_thumb_url, blocking=True)
except ImageFetcherException:
self.log_msg(
"Network issue while fetching cover image from Comic Vine. Aborting...")
raise IssueIdentifierNetworkError
if self.cancel:
raise IssueIdentifierCancelled
# alert the GUI, if needed
if self.coverUrlCallback is not None:
self.coverUrlCallback(url_image_data)
remote_cover_list = []
item = dict()
item['url'] = primary_img_url
item['hash'] = self.calculateHash(url_image_data)
remote_cover_list.append(item)
if self.cancel:
raise IssueIdentifierCancelled
if useRemoteAlternates:
alt_img_url_list = comicVine.fetchAlternateCoverURLs(
issue_id, page_url)
for alt_url in alt_img_url_list:
try:
alt_url_image_data = ImageFetcher().fetch(
alt_url, blocking=True)
except ImageFetcherException:
self.log_msg(
"Network issue while fetching alt. cover image from Comic Vine. Aborting...")
raise IssueIdentifierNetworkError
if self.cancel:
raise IssueIdentifierCancelled
# alert the GUI, if needed
if self.coverUrlCallback is not None:
self.coverUrlCallback(alt_url_image_data)
item = dict()
item['url'] = alt_url
item['hash'] = self.calculateHash(alt_url_image_data)
remote_cover_list.append(item)
if self.cancel:
raise IssueIdentifierCancelled
if useLog and useRemoteAlternates:
self.log_msg(
"[{0} alt. covers]".format(len(remote_cover_list) - 1), False)
if useLog:
self.log_msg("[ ", False)
score_list = []
done = False
for local_cover_hash in localCoverHashList:
for remote_cover_item in remote_cover_list:
score = ImageHasher.hamming_distance(
local_cover_hash, remote_cover_item['hash'])
score_item = dict()
score_item['score'] = score
score_item['url'] = remote_cover_item['url']
score_item['hash'] = remote_cover_item['hash']
score_list.append(score_item)
if useLog:
self.log_msg("{0}".format(score), False)
if score <= self.strong_score_thresh:
# such a good score, we can quit now, since for sure we
# have a winner
done = True
break
if done:
break
if useLog:
self.log_msg(" ]", False)
best_score_item = min(score_list, key=lambda x: x['score'])
return best_score_item
def clearCache(self):
ImageFetcher().clearCache()
ComicVineCacher().clearCache()
QtGui.QMessageBox.information(self, self.name,
"Cache has been cleared.")
