def assert_publishable(self):
from librarian.picture import WLPicture
from librarian import NoDublinCore, ParseError, ValidationError
class SelfImageStore(object):
def path(self_, slug, mime_type):
"""Returns own file object. Ignores slug ad mime_type."""
return open(self.image.path)
publishable = self.publishable()
assert publishable, _("There is no publishable revision")
picture_xml = publishable.materialize()
try:
picture = WLPicture.from_bytes(
picture_xml.encode('utf-8'),
image_store=SelfImageStore)
except ParseError as e:
raise AssertionError(_('Invalid XML') + ': ' + str(e))
except NoDublinCore:
raise AssertionError(_('No Dublin Core found.'))
except ValidationError as e:
raise AssertionError(_('Invalid Dublin Core') + ': ' + str(e))
valid_about = self.correct_about()
assert picture.picture_info.about in valid_about, \
_("rdf:about is not") + " " + valid_about[0]
def assert_publishable(self):
from librarian.picture import WLPicture
from librarian import NoDublinCore, ParseError, ValidationError
class SelfImageStore(object):
def path(self_, slug, mime_type):
"""Returns own file object. Ignores slug ad mime_type."""
return open(self.image.path)
publishable = self.publishable()
assert publishable, _("There is no publishable revision")
picture_xml = publishable.materialize()
try:
picture = WLPicture.from_string(picture_xml.encode('utf-8'),
image_store=SelfImageStore)
except ParseError, e:
raise AssertionError(_('Invalid XML') + ': ' + str(e))
def from_xml_file(cls, xml_file, image_file=None, overwrite=False):
"""
Import xml and it's accompanying image file.
If image file is missing, it will be fetched by librarian.picture.ImageStore
which looks for an image file in the same directory the xml is, with extension matching
its mime type.
"""
from sortify import sortify
from django.core.files import File
from librarian.picture import WLPicture, ImageStore
close_xml_file = False
close_image_file = False
# class SimpleImageStore(object):
# def path(self_, slug, mime_type):
# """Returns the image file. Ignores slug ad mime_type."""
# return image_file
if image_file is not None and not isinstance(image_file, File):
image_file = File(open(image_file))
close_image_file = True
if not isinstance(xml_file, File):
xml_file = File(open(xml_file))
close_xml_file = True
try:
# use librarian to parse meta-data
picture_xml = WLPicture.from_file(xml_file, image_store=ImageStore(picture_storage.path("images")))
# image_store=SimpleImageStore
picture, created = Picture.objects.get_or_create(slug=picture_xml.slug)
if not created and not overwrite:
raise Picture.AlreadyExists("Picture %s already exists" % picture_xml.slug)
picture.title = picture_xml.picture_info.title
motif_tags = set()
for part in picture_xml.partiter():
for motif in part["themes"]:
tag, created = catalogue.models.Tag.objects.get_or_create(slug=slughifi(motif), category="theme")
if created:
tag.name = motif
tag.sort_key = sortify(tag.name)
tag.save()
motif_tags.add(tag)
picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + list(motif_tags)
if image_file is not None:
img = image_file
else:
img = picture_xml.image_file()
# FIXME: hardcoded extension
picture.image_file.save(path.basename(picture_xml.image_path), File(img))
picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
picture.save()
finally:
if close_xml_file:
xml_file.close()
if close_image_file:
image_file.close()
return picture
def from_xml_file(cls, xml_file, image_file=None, overwrite=False):
"""
Import xml and it's accompanying image file.
If image file is missing, it will be fetched by librarian.picture.ImageStore
which looks for an image file in the same directory the xml is, with extension matching
its mime type.
"""
from sortify import sortify
from django.core.files import File
from librarian.picture import WLPicture, ImageStore
close_xml_file = False
close_image_file = False
# class SimpleImageStore(object):
# def path(self_, slug, mime_type):
# """Returns the image file. Ignores slug ad mime_type."""
# return image_file
if image_file is not None and not isinstance(image_file, File):
image_file = File(open(image_file))
close_image_file = True
if not isinstance(xml_file, File):
xml_file = File(open(xml_file))
close_xml_file = True
try:
# use librarian to parse meta-data
picture_xml = WLPicture.from_file(
xml_file,
image_store=ImageStore(picture_storage.path('images')))
# image_store=SimpleImageStore
picture, created = Picture.objects.get_or_create(
slug=picture_xml.slug)
if not created and not overwrite:
raise Picture.AlreadyExists('Picture %s already exists' %
picture_xml.slug)
picture.title = picture_xml.picture_info.title
motif_tags = set()
for part in picture_xml.partiter():
for motif in part['themes']:
tag, created = catalogue.models.Tag.objects.get_or_create(
slug=slughifi(motif), category='theme')
if created:
tag.name = motif
tag.sort_key = sortify(tag.name)
tag.save()
motif_tags.add(tag)
picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \
list(motif_tags)
if image_file is not None:
img = image_file
else:
img = picture_xml.image_file()
# FIXME: hardcoded extension
picture.image_file.save(path.basename(picture_xml.image_path),
File(img))
picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
picture.save()
finally:
if close_xml_file:
xml_file.close()
if close_image_file:
image_file.close()
return picture
def from_xml_file(cls, xml_file, image_file=None, image_store=None, overwrite=False):
"""
Import xml and it's accompanying image file.
If image file is missing, it will be fetched by librarian.picture.ImageStore
which looks for an image file in the same directory the xml is, with extension matching
its mime type.
"""
from sortify import sortify
from django.core.files import File
from librarian.picture import WLPicture, ImageStore
close_xml_file = False
close_image_file = False
if image_file is not None and not isinstance(image_file, File):
image_file = File(open(image_file))
close_image_file = True
if not isinstance(xml_file, File):
xml_file = File(open(xml_file))
close_xml_file = True
with transaction.atomic():
# use librarian to parse meta-data
if image_store is None:
image_store = ImageStore(picture_storage.path('images'))
picture_xml = WLPicture.from_file(xml_file, image_store=image_store)
picture, created = Picture.objects.get_or_create(slug=picture_xml.slug[:120])
if not created and not overwrite:
raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
picture.areas.all().delete()
picture.title = unicode(picture_xml.picture_info.title)
picture.extra_info = picture_xml.picture_info.to_dict()
picture_tags = set(catalogue.models.Tag.tags_from_info(picture_xml.picture_info))
motif_tags = set()
thing_tags = set()
area_data = {'themes': {}, 'things': {}}
# Treat all names in picture XML as in default language.
lang = settings.LANGUAGE_CODE
for part in picture_xml.partiter():
if picture_xml.frame:
c = picture_xml.frame[0]
part['coords'] = [[p[0] - c[0], p[1] - c[1]] for p in part['coords']]
if part.get('object', None) is not None:
_tags = set()
for objname in part['object'].split(','):
objname = objname.strip().capitalize()
tag, created = catalogue.models.Tag.objects.get_or_create(
slug=slughifi(objname), category='thing')
if created:
tag.name = objname
setattr(tag, 'name_%s' % lang, tag.name)
tag.sort_key = sortify(tag.name)
tag.save()
# thing_tags.add(tag)
area_data['things'][tag.slug] = {
'object': objname,
'coords': part['coords'],
}
_tags.add(tag)
area = PictureArea.rectangle(picture, 'thing', part['coords'])
area.save()
area.tags = _tags
else:
_tags = set()
for motifs in part['themes']:
for motif in motifs.split(','):
tag, created = catalogue.models.Tag.objects.get_or_create(
slug=slughifi(motif), category='theme')
if created:
tag.name = motif
tag.sort_key = sortify(tag.name)
tag.save()
# motif_tags.add(tag)
_tags.add(tag)
area_data['themes'][tag.slug] = {
'theme': motif,
'coords': part['coords']
}
logging.debug("coords for theme: %s" % part['coords'])
area = PictureArea.rectangle(picture, 'theme', part['coords'])
area.save()
area.tags = _tags.union(picture_tags)
picture.tags = picture_tags.union(motif_tags).union(thing_tags)
picture.areas_json = area_data
if image_file is not None:
img = image_file
else:
img = picture_xml.image_file()
modified = cls.crop_to_frame(picture_xml, img)
modified = cls.add_source_note(picture_xml, modified)
picture.width, picture.height = modified.size
modified_file = StringIO()
modified.save(modified_file, format='JPEG', quality=95)
# FIXME: hardcoded extension - detect from DC format or orginal filename
picture.image_file.save(path.basename(picture_xml.image_path), File(modified_file))
picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
picture.save()
tasks.generate_picture_html(picture.id)
if close_xml_file:
xml_file.close()
if close_image_file:
image_file.close()
return picture