def check_save(sender, **kwargs):
"""
Checks item type uniqueness, field applicability and multiplicity.
"""
tag = kwargs['instance']
obj = Tag.get_object(tag)
previous_tags = Tag.get_tags(obj)
err_uniq = check_item_type_uniqueness(tag, previous_tags)
err_appl = check_field_applicability(tag)
err_mult = check_field_multiplicity(tag, previous_tags)
err_msg = generate_error_message(tag, err_uniq, err_appl, err_mult)
if err_uniq or err_appl or err_mult:
raise TypeError(err_msg)
def delete_tags(sender, **kwargs):
"""
Delete the tags pointing to an object.
"""
try:
obj = kwargs.get('instance')
tags = Tag.get_tags(obj)
tags.delete()
except AttributeError:
pass
def render_meta(obj, vocabulary):
result = u'<link rel="schema.dc" href="http://purl.org/dc/elements/1.1/">'
tags = Tag.get_tags(obj)
if tags:
value = tags[0].item_type.type_name
meta_tag = u'<meta property="DC.type" content="%s"/>' % value
result = u'%s\n%s' % (result, meta_tag)
for tag in tags:
field = tag.field
name = field.namespaces.get(vocabulary, field.field_name)
value = tag.value
if name == 'identifier':
value = '%s %s' % (field.field_name.lower(), value)
meta_tag = u'<meta property="DC.%s" content="%s"/>' % (name, value)
result = u'%s\n%s' % (result, meta_tag)
return result
def render_meta(obj, vocabulary):
result = u'<link rel="schema.dc" href="http://purl.org/dc/elements/1.1/">'
tags = Tag.get_tags(obj)
if tags:
value = tags[0].item_type.type_name
meta_tag = u'<meta property="DC.type" content="%s"/>' % value
result = u'%s\n%s' % (result, meta_tag)
for tag in tags:
field = tag.field
name = field.namespaces.get(vocabulary, field.field_name)
value = tag.value
if name == 'identifier':
value = '%s %s' % (field.field_name.lower(), value)
meta_tag = u'<meta property="DC.%s" content="%s"/>' % (name, value)
result = u'%s\n%s' % (result, meta_tag)
return result
def clone_document(orig, new, options):
# Duplicate directories and files
orig = Document.objects.get(id=orig_id)
new = Document.objects.get(id=new_id)
orig_docfile_name = orig.docfile_basename
orig_docfile_path = orig.docfile.name
orig_dir_path = orig.get_root_path()
dest_dir_path = new.get_root_path()
orig_slug = orig.slug
dest_slug = new.slug
fss.clone_tree(
orig_docfile_name,
orig_docfile_path,
orig_dir_path,
dest_dir_path,
orig_slug,
dest_slug
)
# Clone pages
pages = orig.pages_set.all()
for page in pages:
new.pages_set.create(
page=page.page,
modified=page.modified,
)
# Clone annotations
if options['annotations']:
anns = orig.annotations_set.all()
for ann in anns:
new.annotations_set.create(
title=ann.title,
location=ann.location,
page=ann.page,
content=ann.content,
author=ann.author,
)
# Clone editions
if options['editions']:
clone_all_editions(orig, new)
else:
clone_only_primitive_editions(orig, new)
# Clone zotero tags
if options['zotero']:
z_tags = Tag.get_tags(orig)
for tag in z_tags:
new_t = deepcopy(tag)
new_t.id = None
new_t.pk = None
new_t.set_object(new)
# new_t.save() Not necessary - set_object saves the object
# Copy collaborators
if options['collaborators']:
collabs = orig.get_users_with_perms()
for collab in collabs:
assign_perm('documents.access_document', collab, new)
# Copy taggit tags
if options['tags']:
t_tags = orig.taggit_tags.all()
for tag in t_tags:
new.taggit_tags.add(tag.name)