def generate_deep_zoom(self, jekyll_site_dir):
self.log_status('Downloading deep zoom images')
imagedir = os.path.join(jekyll_site_dir, self.image_dir)
# If exporting to GitHub, add the repo name to the path.
_prefix = os.path.join(os.sep, self.github_repo, self.image_dir) if self.github_repo else os.path.join(os.sep, self.image_dir)
staticgen = IIIFStatic(dst=imagedir, prefix=_prefix)
for teipage in self.tei.page_list:
for graphic in teipage.graphics:
if graphic.rend == 'full':
imgsrc = os.path.join(jekyll_site_dir, graphic.url)
iiif_img = IIIFImageClient.init_from_url(graphic.url)
staticgen.generate(imgsrc, identifier=iiif_img.image_id)
def generate_deep_zoom(self, jekyll_site_dir):
self.log_status('Downloading deep zoom images')
imagedir = os.path.join(jekyll_site_dir, self.image_dir)
# If exporting to GitHub, add the repo name to the path.
_prefix = os.path.join(
os.sep, self.github_repo,
self.image_dir) if self.github_repo else os.path.join(
os.sep, self.image_dir)
staticgen = IIIFStatic(dst=imagedir, prefix=_prefix)
for teipage in self.tei.page_list:
for graphic in teipage.graphics:
if graphic.rend == 'full':
imgsrc = os.path.join(jekyll_site_dir, graphic.url)
iiif_img = IIIFImageClient.init_from_url(graphic.url)
staticgen.generate(imgsrc, identifier=iiif_img.image_id)
def get_image_url_from_iiif_url(iiif_url, input_size=224):
try:
image = IIIFImageClient.init_from_url(iiif_url)
except ParseError:
raise ValueError(f"{iiif_url} is not a valid iiif URL")
if "dlcs" in image.api_endpoint:
# DLCS provides a thumbnails service which only serves certain sizes of
# image. Requests for these don't touch the image server and so, as
# we're performing lots of requests, we use 400x400 thumbnails and
# resize them ourselves later on.
image.api_endpoint = image.api_endpoint.replace("iiif-img", "thumbs")
# `exact=True` equates to a `/!400,400/` image request
# https://iiif.io/api/image/1.0/#4-2-size
return str(image.size(width=400, height=400, exact=True))
return str(image.size(width=input_size, height=input_size, exact=False))
def iiif_url_to_local_path(self, imgurl):
'''Convert an IIIF Image API url to a local path that can be
referenced within the jekyll site.
'''
# check if we have an info url, so that it can be duplicated
is_info = imgurl.endswith('info.json')
iiif_img = IIIFImageClient.init_from_url(imgurl)
# convert api endpoint to local path
iiif_img.api_endpoint = self.image_dir
# simplify image id: strip out iiif id prefix and pidspace
# prefix, if possible
# (leaving any id suffix, since those are likely needed to
# guarantee uniqueness)
iiif_img.image_id = iiif_img.image_id \
.replace(settings.IIIF_ID_PREFIX, '') \
.replace('%s:' % settings.FEDORA_PIDSPACE, '')
# serialize updated iiif image url for use as local image path
if is_info:
return unicode(iiif_img.info())
return unicode(iiif_img)
def iiif_url_to_local_path(self, imgurl):
'''Convert an IIIF Image API url to a local path that can be
referenced within the jekyll site.
'''
# check if we have an info url, so that it can be duplicated
is_info = imgurl.endswith('info.json')
iiif_img = IIIFImageClient.init_from_url(imgurl)
# convert api endpoint to local path
iiif_img.api_endpoint = self.image_dir
# simplify image id: strip out iiif id prefix and pidspace
# prefix, if possible
# (leaving any id suffix, since those are likely needed to
# guarantee uniqueness)
iiif_img.image_id = iiif_img.image_id \
.replace(settings.IIIF_ID_PREFIX, '') \
.replace('%s:' % settings.FEDORA_PIDSPACE, '')
# serialize updated iiif image url for use as local image path
if is_info:
return unicode(iiif_img.info())
return unicode(iiif_img)