def test_png(self):
file = os.path.join('test', 'data', 'mb.png')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/png', '.png', 15692)
)
def test_gif(self):
file = os.path.join('test', 'data', 'mb.gif')
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/gif', '.gif', 5806)
)
def test_jpeg(self):
file = os.path.join('test', 'data', 'mb.jpg',)
with open(file, 'rb') as f:
self.assertEqual(
imageinfo.identify(f.read()),
(140, 96, 'image/jpeg', '.jpg', 8550)
)
def set_data(self, data):
"""Store image data in a file, if data already exists in such file
it will be re-used and no file write occurs
"""
if self.datahash:
self.datahash.delete_file()
self.datahash = None
try:
(self.width, self.height, self.mimetype, self.extension,
self.datalength) = imageinfo.identify(data)
except imageinfo.IdentificationError as e:
raise CoverArtImageIdentificationError(e)
try:
self.datahash = DataHash(data, suffix=self.extension)
except (OSError, IOError) as e:
raise CoverArtImageIOError(e)
def on_remote_image_fetched(self, url, data, reply, error, fallback_data=None):
mime = reply.header(QtNetwork.QNetworkRequest.ContentTypeHeader)
if mime in ('image/jpeg', 'image/png'):
self.load_remote_image(url, mime, data)
elif url.hasQueryItem("imgurl"):
# This may be a google images result, try to get the URL which is encoded in the query
url = QtCore.QUrl(url.queryItemValue("imgurl"))
self.fetch_remote_image(url)
else:
log.warning("Can't load remote image with MIME-Type %s", mime)
if fallback_data:
# Tests for image format obtained from file-magic
try:
mime = imageinfo.identify(fallback_data)[2]
except imageinfo.IdentificationError as e:
log.error("Unable to identify dropped data format: %s" % e)
else:
log.debug("Trying the dropped %s data", mime)
self.load_remote_image(url, mime, fallback_data)
def dropEvent(self, event):
accepted = False
# Chromium includes the actual data of the dragged image in the drop event. This
# is useful for Google Images, where the url links to the page that contains the image
# so we use it if the downloaded url is not an image.
mime_data = event.mimeData()
dropped_data = bytes(mime_data.data('application/octet-stream'))
if not dropped_data:
dropped_data = bytes(mime_data.data('application/x-qt-image'))
if dropped_data:
try:
mime = imageinfo.identify(dropped_data)[2]
if mime in ('image/jpeg', 'image/png'):
accepted = True
log.debug("Dropped %s mime data (%d bytes)", mime,
len(dropped_data or ''))
self.image_dropped.emit(QtCore.QUrl(''), dropped_data)
except imageinfo.IdentificationError as e:
log.debug("Image identification failed: %s", e)
if not accepted:
for url in event.mimeData().urls():
if url.scheme() in ('https', 'http', 'file'):
accepted = True
log.debug("Dropped %s url (with %d bytes of data)",
url.toString(), len(dropped_data or ''))
self.image_dropped.emit(url, dropped_data)
if not accepted:
if mime_data.hasImage():
image_bytes = QtCore.QByteArray()
image_buffer = QtCore.QBuffer(image_bytes)
mime_data.imageData().save(image_buffer, 'JPEG')
dropped_data = bytes(image_bytes)
accepted = True
log.debug("Dropped %d bytes of Qt image data", len(dropped_data))
self.image_dropped.emit(QtCore.QUrl(''), dropped_data)
if accepted:
event.acceptProposedAction()
def on_remote_image_fetched(self, url, data, reply, error, fallback_data=None):
mime = reply.header(QtNetwork.QNetworkRequest.ContentTypeHeader)
if mime in ('image/jpeg', 'image/png'):
self.load_remote_image(url, mime, data)
elif url.hasQueryItem("imgurl"):
# This may be a google images result, try to get the URL which is encoded in the query
url = QtCore.QUrl(url.queryItemValue("imgurl"))
self.fetch_remote_image(url)
else:
log.warning("Can't load remote image with MIME-Type %s", mime)
if fallback_data:
# Tests for image format obtained from file-magic
try:
mime = imageinfo.identify(fallback_data)[2]
except imageinfo.IdentificationError as e:
log.error("Unable to identify dropped data format: %s" % e)
else:
log.debug("Trying the dropped %s data", mime)
self.load_remote_image(url, mime, fallback_data)
def dropEvent(self, event):
accepted = False
# Chromium includes the actual data of the dragged image in the drop event. This
# is useful for Google Images, where the url links to the page that contains the image
# so we use it if the downloaded url is not an image.
dropped_data = event.mimeData().data('application/octet-stream')
try:
mime = imageinfo.identify(dropped_data)[2]
if mime in ('image/jpeg', 'image/png'):
accepted = True
self.image_dropped.emit(QtCore.QUrl(''), dropped_data)
except imageinfo.IdentificationError:
pass
for url in event.mimeData().urls():
if url.scheme() in ('https', 'http', 'file'):
accepted = True
self.image_dropped.emit(url, dropped_data)
if accepted:
event.acceptProposedAction()
def dropEvent(self, event):
accepted = False
# Chromium includes the actual data of the dragged image in the drop event. This
# is useful for Google Images, where the url links to the page that contains the image
# so we use it if the downloaded url is not an image.
dropped_data = event.mimeData().data('application/octet-stream')
try:
mime = imageinfo.identify(dropped_data)[2]
if mime in ('image/jpeg', 'image/png'):
accepted = True
self.image_dropped.emit(QtCore.QUrl(''), dropped_data)
except imageinfo.IdentificationError:
pass
for url in event.mimeData().urls():
if url.scheme() in ('https', 'http', 'file'):
accepted = True
self.image_dropped.emit(url, dropped_data)
if accepted:
event.acceptProposedAction()
def _load_fallback_data(self, url, data):
# Tests for image format obtained from file-magic
try:
mime = imageinfo.identify(data)[2]
except imageinfo.IdentificationError as e:
log.warning("Unable to identify dropped data format: %s" % e)
else:
log.debug("Trying the dropped %s data", mime)
self.load_remote_image(url, mime, data)
return
# Try getting image out of HTML (e.g. for Goole image search detail view)
try:
html = data.decode()
match = re.search(HTML_IMG_SRC_REGEX, html)
if match:
url = QtCore.QUrl(match.group(1))
except UnicodeDecodeError as e:
log.warning("Unable to decode dropped data format: %s" % e)
else:
log.debug("Trying URL parsed from HTML: %s", url.toString())
self.fetch_remote_image(url)
def on_remote_image_fetched(self,
url,
data,
reply,
error,
fallback_data=None):
if error:
log.error("Failed loading remote image from %s: %s", url,
reply.errorString())
if fallback_data:
self._load_fallback_data(url, fallback_data)
return
data = bytes(data)
mime = reply.header(QtNetwork.QNetworkRequest.ContentTypeHeader)
# Some sites return a mime type with encoding like "image/jpeg; charset=UTF-8"
mime = mime.split(';')[0]
url_query = QtCore.QUrlQuery(url.query())
# If mime indicates only binary data we can try to guess the real mime type
if mime in ('application/octet-stream', 'binary/data'):
mime = imageinfo.identify(data)[2]
if mime in ('image/jpeg', 'image/png'):
self.load_remote_image(url, mime, data)
elif url_query.hasQueryItem("imgurl"):
# This may be a google images result, try to get the URL which is encoded in the query
url = QtCore.QUrl(
url_query.queryItemValue("imgurl", QtCore.QUrl.FullyDecoded))
self.fetch_remote_image(url)
elif url_query.hasQueryItem("mediaurl"):
# Bing uses mediaurl
url = QtCore.QUrl(
url_query.queryItemValue("mediaurl", QtCore.QUrl.FullyDecoded))
self.fetch_remote_image(url)
else:
log.warning("Can't load remote image with MIME-Type %s", mime)
if fallback_data:
self._load_fallback_data(url, fallback_data)
def test_png(self):
file = os.path.join('test', 'data', 'mb.png')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/png', '.png', 11137))
def test_gif(self):
file = os.path.join('test', 'data', 'mb.gif')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/gif', '.gif', 5806))
def test_gif(self):
file = get_test_data_path('mb.gif')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/gif', '.gif', 5806))
def test_pdf(self):
file = os.path.join('test', 'data', 'mb.pdf')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(0, 0, 'application/pdf', '.pdf', 10362))
def test_jpeg(self):
file = os.path.join('test', 'data', 'mb.jpg')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/jpeg', '.jpg', 8550))
def test_pdf(self):
file = get_test_data_path('mb.pdf')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(0, 0, 'application/pdf', '.pdf', 10362))
def test_tiff(self):
file = get_test_data_path('mb.tiff')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/tiff', '.tiff', 12509))
def test_webp_vp8x(self):
file = get_test_data_path('mb-vp8x.webp')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/webp', '.webp', 6858))
def test_jpeg(self):
file = get_test_data_path('mb.jpg')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/jpeg', '.jpg', 8550))
def test_png(self):
file = get_test_data_path('mb.png')
with open(file, 'rb') as f:
self.assertEqual(imageinfo.identify(f.read()),
(140, 96, 'image/png', '.png', 11137))
