def image_detail(imageid):
"""
function that is when a specific image is requested
the metadata of the requested image is loaded (if there is one)
and given to the template
"""
try:
image = Image.get(id=imageid)
imgfrag = ImageFragment.get(image=image, x=0, y=0, visible=True)
imgmeta = Metadata.get(imgfrag=imgfrag, namespace="http://www.w3.org/ns/ma-ont#")
annos = Annotation.get(imgmeta=imgmeta)
return render_template('image_detail.html', img=image,imgmeta=imgmeta)
except Imageuri.DoesNotExist:
flash('Die Bildnummer wurde nicht gefunden. Bitte waehle ein anderes Bild.', 'error')
return render_template('images.html')
except ImageFragment.DoesNotExist:
return render_template('image_detail.html', img=image)
def add_metadata(self, fragment, nasp):
""" Adds metadata to a given fragment
with an optional namespace attribute
"""
try:
imgmeta = Metadata.get(imgfrag=fragment, namespace=nasp)
newimgmetaversion = imgmeta.version
newimgmetaversion = newimgmetaversion + 1
up_query = Metadata.update(version=newimgmetaversion).where(imgfrag=fragment, namespace=nasp)
up_query.execute()
return imgmeta
except Metadata.DoesNotExist:
imgmeta = Metadata.create(
imgfrag = fragment,
version = 1,
namespace = nasp,)
imgmeta.save()
return imgmeta
