def hasRelatedMedia(self):
"""
Check that the canonical translation has some related images
or videos.
"""
context = self.context.getCanonical()
related_items = context.getRelatedItems()
media = [i for i in related_items if IATImage.providedBy(i)]
return media and True or False
def hasRelatedMedia(self):
"""
Check that the canonical translation has some related images
or videos.
"""
context = self.context.getCanonical()
related_items = context.getRelatedItems()
media = [i for i in related_items if IATImage.providedBy(i)]
return media and True or False
def getRelatedImages(self, obj, image_scale):
"""
Return html for a video, slideshow or image from the related
items of the canonical translation.
"""
scaled = list()
obj = obj.getCanonical()
related_items = obj.getRelatedItems()
images = [i for i in related_items if IATImage.providedBy(i)]
# Limit to three
images = images[:3]
for image in images:
scaled_img = image.getField('image').getScale(image,
scale=image_scale)
scaled.append(scaled_img.absolute_url())
return scaled
def getRelatedMedia(self, image_scale):
"""
Return html for a slideshow or image from the related items of
the canonical translation.
"""
context = self.context.getCanonical()
related_items = context.getRelatedItems()
self.image_scale = image_scale
if related_items:
self.images = [i for i in related_items if IATImage.providedBy(i)]
if len(self.images) == 1:
image = self.images[0]
return image.tag(scale=image_scale)
else:
return self.slideswitch_template()
def getRelatedImages(self, obj, image_scale):
"""
Return html for a video, slideshow or image from the related
items of the canonical translation.
"""
scaled = list()
obj = obj.getCanonical()
related_items = obj.getRelatedItems()
images = [i for i in related_items if IATImage.providedBy(i)]
# Limit to three
images = images[:3]
for image in images:
scaled_img = image.getField('image').getScale(image,
scale=image_scale)
scaled.append(scaled_img.absolute_url())
return scaled
def getRelatedMedia(self, image_scale):
"""
Return html for a slideshow or image from the related items of
the canonical translation.
"""
context = self.context.getCanonical()
related_items = context.getRelatedItems()
self.image_scale = image_scale
if related_items:
self.images = [
i for i in related_items if IATImage.providedBy(i)]
if len(self.images) == 1:
image = self.images[0]
return image.tag(scale=image_scale)
else:
return self.slideswitch_template()
def GrayscaleTransformations(event):
"""
Changing the response body by converting
the images to grayscale and changing the
css colors definitions to colors from gray
shades palette
"""
request = event.request
response = request.response
context = request.get('PUBLISHED')
resp_body = response.getBody()
resp_body = getattr(context, 'GET', lambda: '')()
if hasattr(context, 'im_self'):
context = context.im_self
if isinstance(context, ImageScale):
context = context.data
if hasattr(context, 'context'):
context = context.context
content_type = getattr(context, 'content_type', '')
if callable(content_type):
content_type = content_type() or ''
if not content_type:
content_type = response.headers.get('content-type') or ''
if isinstance(context, FilesystemFile):
resp_body = context().read()
content_type = context.getContentType().split(';')[0]
filename = getattr(context, 'getId', lambda: False)()
filename = getattr(context, 'filename', filename)
if not filename:
try:
filename = context.__name__
except AttributeError:
return
images_content_types = ['image/png', 'image/jpg', 'image/jpeg', 'image/gif']
browser_resource_image = False
if isinstance(context, browserresourcefile) and \
context.content_type.split(';')[0] in images_content_types:
browser_resource_image = True
if content_type:
content_type = content_type.split(';')[0].strip()
if 'javascript' in content_type:
return
if isinstance(context, FSImage) or \
IOFSImage.providedBy(context) or \
IATImage.providedBy(context) or \
content_type in images_content_types or \
browser_resource_image:
try:
path = '/'.join(context.getPhysicalPath())
except AttributeError:
path = filename
try:
resp_body = utils.get_resource(request, response, path)
except NotFound:
image_body = resp_body
if not image_body:
if hasattr(context, 'data'):
image_body = context.data
elif isinstance(context, FSImage):
image_body = context._readFile(True)
if image_body:
resp_body = utils.image_to_grayscale(image_body, path)
else:
log.debug('Image doesn\'t contain any data: %s' % (path))
if queryUtility(IResourceDirectory, name=u''):
utils.store_resource(path, resp_body)
elif IBrowserView.providedBy(request.get('PUBLISHED')) or \
content_type in ['text/html', 'text/css'] or \
isinstance(context, (File, FSFile, ATFile, FSPageTemplate)) and \
context.content_type.split(';')[0] in ['text/html', 'text/css']:
if hasattr(aq_base(context), 'data'):
resp_body = context.data
if hasattr(resp_body, 'data'):
resp_body = resp_body.data
if isinstance(context, FSFile):
resp_body = context._readFile(0)
if content_type == 'text/css' or \
isinstance(context, (File, FSFile, ATFile, FSPageTemplate)) and \
context.content_type.split(';')[0] == 'text/css':
try:
resp_body = utils.get_resource(request, response, filename)
except (NotFound, AttributeError):
resp_body = utils.transform_style_properties(resp_body)
resp_body = utils.transform_css_url(resp_body)
if queryUtility(IResourceDirectory, name=u''):
utils.store_resource(filename, resp_body)
else:
if not resp_body:
rendered_body = utils.render_object_html(context, request)
if rendered_body:
resp_body = rendered_body
resp_body = utils.add_bodyclass(resp_body)
resp_body = utils.transform_style_properties(resp_body)
resp_body = utils.transform_css_url(resp_body)
resp_body = utils.transform_img_src(resp_body)
response.setBody(resp_body)
