def create_crop(self, original_image, crop_name, crop_data):
"""Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: rendition
"""
original_file = superdesk.app.media.fetch_rendition(original_image)
if not original_file:
raise SuperdeskApiError.badRequestError('Original file couldn\'t be found')
try:
cropped, out = crop_image(original_file, crop_name, crop_data)
crop = self.get_crop_by_name(crop_name)
if not cropped:
raise SuperdeskApiError.badRequestError('Saving crop failed.')
# resize if needed
if crop.get('width') or crop.get('height'):
out, width, height = _resize_image(out,
size=(crop.get('width'), crop.get('height')),
keepProportions=crop.get('keep_proportions', True))
crop['width'] = width
crop['height'] = height
out.seek(0)
return self._save_cropped_image(out, original_image, crop_data)
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError('Generating crop failed: {}'.format(str(ex)))
def store_file(self, doc, content, filename, content_type):
res = process_file_from_stream(content,
filename=filename,
content_type=content_type)
file_name, content_type, metadata = res
cropping_data = self.get_cropping_data(doc)
_, out = crop_image(content, filename, cropping_data)
metadata['length'] = json.dumps(len(out.getvalue()))
try:
logger.debug('Going to save media file with %s ' % file_name)
out.seek(0)
id = app.media.put(out,
filename=file_name,
content_type=content_type,
metadata=metadata)
doc['media'] = id
doc['mime_type'] = content_type
doc['filemeta'] = decode_metadata(metadata)
inserted = [doc['media']]
file_type = content_type.split('/')[0]
rendition_spec = config.RENDITIONS['avatar']
renditions = generate_renditions(out, doc['media'], inserted,
file_type, content_type,
rendition_spec, url_for_media)
doc['renditions'] = renditions
except Exception as io:
logger.exception(io)
for file_id in inserted:
delete_file_on_error(doc, file_id)
raise SuperdeskError(message='Generating renditions failed')
def crop_and_store_file(self, doc, content, filename, content_type):
# retrieve file name and metadata from file
file_name, content_type, metadata = process_file_from_stream(content, content_type=content_type)
# crop the file if needed, can change the image size
was_cropped, out = crop_image(content, filename, doc)
# the length in metadata could be updated if it was cropped
if was_cropped:
file_name, content_type, metadata_after_cropped = process_file_from_stream(out, content_type=content_type)
# when cropped, metadata are reseted. Then we update the previous metadata variable
metadata['length'] = metadata_after_cropped['length']
try:
logger.debug('Going to save media file with %s ' % file_name)
out.seek(0)
file_id = app.media.put(out, filename=file_name, content_type=content_type,
resource=self.datasource, metadata=metadata)
doc['media'] = file_id
doc['mimetype'] = content_type
doc['filemeta'] = decode_metadata(metadata)
inserted = [doc['media']]
file_type = content_type.split('/')[0]
rendition_spec = config.RENDITIONS['avatar']
renditions = generate_renditions(out, file_id, inserted, file_type,
content_type, rendition_spec, url_for_media)
doc['renditions'] = renditions
except Exception as io:
logger.exception(io)
for file_id in inserted:
delete_file_on_error(doc, file_id)
raise SuperdeskApiError.internalError('Generating renditions failed')
def create_crop(self, original_image, crop_name, crop_data):
"""Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: rendition
"""
original_file = app.media.fetch_rendition(original_image)
if not original_file:
raise SuperdeskApiError.badRequestError("Original file couldn't be found")
try:
cropped, out = crop_image(original_file, crop_name, crop_data)
crop = self.get_crop_by_name(crop_name)
if not cropped:
raise SuperdeskApiError.badRequestError("Saving crop failed.")
# resize if needed
if crop.get("width") or crop.get("height"):
out, width, height = _resize_image(
out,
size=(crop.get("width"), crop.get("height")),
keepProportions=crop.get("keep_proportions", True),
)
crop["width"] = width
crop["height"] = height
out.seek(0)
return self._save_cropped_image(out, original_image, crop_data)
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError("Generating crop failed: {}".format(str(ex)))
def create_crop(self, original_image, crop_name, crop_data):
"""
Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: rendition
"""
original_file = superdesk.app.media.fetch_rendition(original_image)
if not original_file:
raise SuperdeskApiError.badRequestError(
'Original file couldn\'t be found')
try:
cropped, out = crop_image(original_file, crop_name, crop_data)
crop = self.get_crop_by_name(crop_name)
if not cropped:
raise SuperdeskApiError.badRequestError('Saving crop failed.')
# resize if needed
if crop.get('width') or crop.get('height'):
out, width, height = _resize_image(out,
size=(crop.get('width'),
crop.get('height')))
crop['width'] = width
crop['height'] = height
out.seek(0)
return self._save_cropped_image(out, original_image, crop_data)
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError(
'Generating crop failed: {}'.format(str(ex)))
def store_file(self, doc, content, filename, content_type):
res = process_file_from_stream(content, filename=filename, content_type=content_type)
file_name, content_type, metadata = res
cropping_data = self.get_cropping_data(doc)
_, out = crop_image(content, filename, cropping_data)
metadata['length'] = json.dumps(len(out.getvalue()))
try:
logger.debug('Going to save media file with %s ' % file_name)
out.seek(0)
id = app.media.put(out, filename=file_name, content_type=content_type, metadata=metadata)
doc['media'] = id
doc['mime_type'] = content_type
doc['filemeta'] = decode_metadata(metadata)
inserted = [doc['media']]
file_type = content_type.split('/')[0]
rendition_spec = config.RENDITIONS['avatar']
renditions = generate_renditions(out, doc['media'], inserted, file_type,
content_type, rendition_spec, url_for_media)
doc['renditions'] = renditions
except Exception as io:
logger.exception(io)
for file_id in inserted:
delete_file_on_error(doc, file_id)
raise SuperdeskError(message='Generating renditions failed')
def create(self, docs, **kwargs):
ids = []
for doc in docs:
item = doc.pop("item")
crop = doc.pop("crop")
orig = item["renditions"]["original"]
size = get_crop_size(crop, orig.get("width", 800),
orig.get("height", 600))
orig_file = get_file(orig, item)
filename = get_random_string()
ok, output = crop_image(orig_file, filename, crop, size)
if ok:
metadata = encode_metadata(process_image(orig_file))
metadata.update({"length": json.dumps(len(output.getvalue()))})
output = fix_orientation(output)
media = app.media.put(output,
filename=filename,
content_type=orig["mimetype"],
metadata=metadata)
doc["href"] = app.media.url_for_media(media, orig["mimetype"])
doc["width"] = output.width
doc["height"] = output.height
doc["metadata"] = metadata
ids.append(media)
return ids
def publish_images(images, original, item):
orig_file = get_file(original, item)
for image in images:
content_type = original['mimetype']
ok, output = crop_image(orig_file, image['file_name'], image['crop'], image['spec'])
if ok:
app.media.put(output, image['file_name'], content_type, _id=image['media'])
def create_crop(self, original, crop_name, crop_data):
"""
Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: modified renditions
"""
renditions = original.get('renditions', {})
original_crop = renditions.get(crop_name, {})
fields = ('CropLeft', 'CropTop', 'CropRight', 'CropBottom')
crop_created = False
if any(crop_data.get(name) != original_crop.get(name) for name in fields):
original_image = renditions.get('original', {})
original_file = superdesk.app.media.fetch_rendition(original_image)
if not original_file:
raise SuperdeskApiError.badRequestError('Original file couldn\'t be found')
try:
cropped, out = crop_image(original_file, crop_name, crop_data)
if not cropped:
raise SuperdeskApiError.badRequestError('Saving crop failed.')
renditions[crop_name] = self._save_cropped_image(out, original_image, crop_data)
crop_created = True
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError('Generating crop failed: {}'.format(str(ex)))
return renditions, crop_created
def crop_and_store_file(self, doc, content, filename, content_type):
# retrieve file name and metadata from file
file_name, content_type, metadata = process_file_from_stream(
content, content_type=content_type)
# crop the file if needed, can change the image size
was_cropped, out = crop_image(content, filename, doc)
# the length in metadata could be updated if it was cropped
if was_cropped:
file_name, content_type, metadata_after_cropped = process_file_from_stream(
out, content_type=content_type)
# when cropped, metadata are reseted. Then we update the previous metadata variable
metadata['length'] = metadata_after_cropped['length']
try:
logger.debug('Going to save media file with %s ' % file_name)
out.seek(0)
file_id = app.media.put(out,
filename=file_name,
content_type=content_type,
resource=self.datasource,
metadata=metadata)
doc['media'] = file_id
doc['mimetype'] = content_type
set_filemeta(doc, decode_metadata(metadata))
inserted = [doc['media']]
file_type = content_type.split('/')[0]
rendition_spec = config.RENDITIONS['avatar']
renditions = generate_renditions(out, file_id, inserted, file_type,
content_type, rendition_spec,
url_for_media)
doc['renditions'] = renditions
except Exception as io:
for file_id in inserted:
delete_file_on_error(doc, file_id)
raise SuperdeskApiError.internalError(
'Generating renditions failed', exception=io)
def test_crop_image_resize(self):
with open(self.img, mode="rb") as f:
status, output = crop_image(f, "test", self.crop_data, {
"width": 4,
"height": 3
})
self.assertEqual(True, status)
self.assertEqual(4, output.width)
self.assertEqual(3, output.height)
def test_crop_image_exact_size(self):
img = get_picture_fixture()
size = {'width': '300', 'height': '200'}
crop = {'CropTop': '0', 'CropRight': '300', 'CropBottom': '200', 'CropLeft': '0'}
with open(img, 'rb') as imgfile:
res = crop_image(imgfile, img, crop, size)
self.assertTrue(res[0])
self.assertEqual(300, res[1].width)
self.assertEqual(200, res[1].height)
def test_crop_image_resize(self):
with open(self.img, mode='rb') as f:
status, output = crop_image(f, 'test', self.crop_data, {
'width': 4,
'height': 3
})
self.assertEqual(True, status)
self.assertEqual(4, output.width)
self.assertEqual(3, output.height)
def test_crop_image_exact_size(self):
img = get_picture_fixture()
size = {'width': '300', 'height': '200'}
crop = {
'CropTop': '0',
'CropRight': '300',
'CropBottom': '200',
'CropLeft': '0'
}
with open(img, 'rb') as imgfile:
res = crop_image(imgfile, img, crop, size)
self.assertTrue(res[0])
self.assertEqual(300, res[1].width)
self.assertEqual(200, res[1].height)
def test_crop_image_exact_size(self):
img = get_picture_fixture()
size = {"width": "300", "height": "200"}
crop = {
"CropTop": "0",
"CropRight": "300",
"CropBottom": "200",
"CropLeft": "0"
}
with open(img, "rb") as imgfile:
res = crop_image(imgfile, img, crop, size)
self.assertTrue(res[0])
self.assertEqual(300, res[1].width)
self.assertEqual(200, res[1].height)
def create(self, docs, **kwargs):
ids = []
for doc in docs:
item = doc.pop('item')
crop = doc.pop('crop')
size = get_crop_size(crop)
orig = item['renditions']['original']
orig_file = get_file(orig, item)
filename = get_random_string()
ok, output = crop_image(orig_file, filename, crop, size)
if ok:
media = app.media.put(output, filename, orig['mimetype'])
doc['href'] = app.media.url_for_media(media, orig['mimetype'])
doc['width'] = output.width
doc['height'] = output.height
ids.append(media)
return ids
def create(self, docs, **kwargs):
ids = []
for doc in docs:
item = doc.pop('item')
crop = doc.pop('crop')
size = get_crop_size(crop)
orig = item['renditions']['original']
orig_file = get_file(orig, item)
filename = get_random_string()
ok, output = crop_image(orig_file, filename, crop, size)
if ok:
media = app.media.put(output, filename, orig['mimetype'])
doc['href'] = app.media.url_for_media(media, orig['mimetype'])
doc['width'] = output.width
doc['height'] = output.height
ids.append(media)
return ids
def create_crop(self, original, crop_name, doc):
"""
Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: modified renditions
"""
renditions = original.get('renditions', {})
crop_data = UploadService().get_cropping_data(doc)
original_crop = renditions.get(crop_name, {})
fields = ('CropLeft', 'CropTop', 'CropRight', 'CropBottom')
crop_created = False
if any(crop_data[i] != original_crop.get(name)
for i, name in enumerate(fields)):
original_image = renditions.get('original', {})
original_file = superdesk.app.media.get(
original_image.get('media'), 'upload')
if not original_file:
raise SuperdeskApiError.badRequestError(
'Original file couldn\'t be found')
try:
cropped, out = crop_image(original_file, original_file.name,
crop_data)
if not cropped:
raise SuperdeskApiError.badRequestError(
'Saving crop failed.')
renditions[crop_name] = self._save_cropped_image(
out, original_file, doc)
crop_created = True
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError(
'Generating crop failed: {}'.format(str(ex)))
return renditions, crop_created
def create_crop(self, original, crop_name, crop_data):
"""
Create a new crop based on the crop co-ordinates
:param original: Article to add the crop
:param crop_name: Name of the crop
:param doc: Crop details
:raises SuperdeskApiError.badRequestError
:return dict: modified renditions
"""
renditions = original.get('renditions', {})
original_crop = renditions.get(crop_name, {})
fields = ('CropLeft', 'CropTop', 'CropRight', 'CropBottom')
crop_created = False
if any(
crop_data.get(name) != original_crop.get(name)
for name in fields):
original_image = renditions.get('original', {})
original_file = superdesk.app.media.fetch_rendition(original_image)
if not original_file:
raise SuperdeskApiError.badRequestError(
'Original file couldn\'t be found')
try:
cropped, out = crop_image(original_file, crop_name, crop_data)
crop = self.get_crop_by_name(crop_name)
if not cropped:
raise SuperdeskApiError.badRequestError(
'Saving crop failed.')
# resize if needed
if crop.get('width') or crop.get('height'):
out, width, height = _resize_image(
out, size=(crop.get('width'), crop.get('height')))
crop['width'] = width
crop['height'] = height
out.seek(0)
renditions[crop_name] = self._save_cropped_image(
out, original_image, crop_data)
crop_created = True
except SuperdeskApiError:
raise
except Exception as ex:
raise SuperdeskApiError.badRequestError(
'Generating crop failed: {}'.format(str(ex)))
return renditions, crop_created
def create(self, docs, **kwargs):
ids = []
for doc in docs:
item = doc.pop('item')
crop = doc.pop('crop')
orig = item['renditions']['original']
size = get_crop_size(crop, orig.get('width', 800), orig.get('height', 600))
orig_file = get_file(orig, item)
filename = get_random_string()
ok, output = crop_image(orig_file, filename, crop, size)
if ok:
metadata = encode_metadata(process_image(orig_file))
metadata.update({'length': json.dumps(len(output.getvalue()))})
output = fix_orientation(output)
media = app.media.put(output, filename, orig['mimetype'], metadata=metadata)
doc['href'] = app.media.url_for_media(media, orig['mimetype'])
doc['width'] = output.width
doc['height'] = output.height
ids.append(media)
return ids
def create(self, docs, **kwargs):
ids = []
for doc in docs:
item = doc.pop('item')
crop = doc.pop('crop')
size = get_crop_size(crop)
orig = item['renditions']['original']
orig_file = get_file(orig, item)
filename = get_random_string()
ok, output = crop_image(orig_file, filename, crop, size)
if ok:
metadata = encode_metadata(process_image(orig_file))
metadata.update({'length': json.dumps(len(output.getvalue()))})
output = fix_orientation(output)
media = app.media.put(output, filename, orig['mimetype'], metadata=metadata)
doc['href'] = app.media.url_for_media(media, orig['mimetype'])
doc['width'] = output.width
doc['height'] = output.height
ids.append(media)
return ids
def test_crop_image_resize(self):
with open(self.img, mode='rb') as f:
status, output = crop_image(f, 'test', self.crop_data, {'width': 4, 'height': 3})
self.assertEqual(True, status)
self.assertEqual(4, output.width)
self.assertEqual(3, output.height)
def test_crop_image(self):
with open(self.img, mode='rb') as f:
status, output = crop_image(f, 'test', self.crop_data)
self.assertEqual(True, status)
self.assertEqual(8, output.width)
self.assertEqual(6, output.height)
def test_crop_image(self):
with open(self.img, mode="rb") as f:
status, output = crop_image(f, "test", self.crop_data)
self.assertEqual(True, status)
self.assertEqual(8, output.width)
self.assertEqual(6, output.height)
