def fetch_and_create_tags(tag_names):
"""Return a list of Tag instances that match the given names.
Tag names that don't yet exist are created automatically and
returned alongside the results that did already exist.
If you try to create a new tag that would have the same slug
as an already existing tag, the existing tag is used instead.
:param tag_names: The display :attr:`Tag.name`
:type tag_names: list
:returns: A list of :class:`Tag` instances.
:rtype: :class:`TagList` instance
"""
lower_names = [name.lower() for name in tag_names]
slugs = [slugify(name) for name in lower_names]
# Grab all the tags that exist already, whether its the name or slug
# that matches. Slugs can be changed by the tag settings UI so we can't
# rely on each tag name evaluating to the same slug every time.
results = Tag.query.filter(
sql.or_(func.lower(Tag.name).in_(lower_names),
Tag.slug.in_(slugs))).all()
# Filter out any tag names that already exist (case insensitive), and
# any tag names evaluate to slugs that already exist.
for tag in results:
# Remove the match from our three lists until its completely gone
while True:
try:
try:
index = slugs.index(tag.slug)
except ValueError:
index = lower_names.index(tag.name.lower())
tag_names.pop(index)
lower_names.pop(index)
slugs.pop(index)
except ValueError:
break
# Any remaining tag names need to be created.
if tag_names:
# We may still have multiple tag names which evaluate to the same slug.
# Load it into a dict so that duplicates are overwritten.
uniques = dict((slug, name) for slug, name in izip(slugs, tag_names))
# Do a bulk insert to create the tag rows.
new_tags = [{'name': n, 'slug': s} for s, n in uniques.iteritems()]
DBSession.execute(tags.insert(), new_tags)
DBSession.flush()
# Query for our newly created rows and append them to our result set.
results += Tag.query.filter(Tag.slug.in_(uniques.keys())).all()
return results
def fetch_and_create_tags(tag_names):
"""Return a list of Tag instances that match the given names.
Tag names that don't yet exist are created automatically and
returned alongside the results that did already exist.
If you try to create a new tag that would have the same slug
as an already existing tag, the existing tag is used instead.
:param tag_names: The display :attr:`Tag.name`
:type tag_names: list
:returns: A list of :class:`Tag` instances.
:rtype: :class:`TagList` instance
"""
lower_names = [name.lower() for name in tag_names]
slugs = [slugify(name) for name in lower_names]
# Grab all the tags that exist already, whether its the name or slug
# that matches. Slugs can be changed by the tag settings UI so we can't
# rely on each tag name evaluating to the same slug every time.
results = Tag.query.filter(sql.or_(func.lower(Tag.name).in_(lower_names),
Tag.slug.in_(slugs))).all()
# Filter out any tag names that already exist (case insensitive), and
# any tag names evaluate to slugs that already exist.
for tag in results:
# Remove the match from our three lists until its completely gone
while True:
try:
try:
index = slugs.index(tag.slug)
except ValueError:
index = lower_names.index(tag.name.lower())
tag_names.pop(index)
lower_names.pop(index)
slugs.pop(index)
except ValueError:
break
# Any remaining tag names need to be created.
if tag_names:
# We may still have multiple tag names which evaluate to the same slug.
# Load it into a dict so that duplicates are overwritten.
uniques = dict((slug, name) for slug, name in izip(slugs, tag_names))
# Do a bulk insert to create the tag rows.
new_tags = [{'name': n, 'slug': s} for s, n in uniques.iteritems()]
DBSession.execute(tags.insert(), new_tags)
DBSession.flush()
# Query for our newly created rows and append them to our result set.
results += Tag.query.filter(Tag.slug.in_(uniques.keys())).all()
return results
def save(self, id, slug, title, author_name, author_email,
description, notes, podcast, tags, categories,
delete=None, **kwargs):
"""Save changes or create a new :class:`~mediadrop.model.media.Media` instance.
Form handler the :meth:`edit` action and the
:class:`~mediadrop.forms.admin.media.MediaForm`.
Redirects back to :meth:`edit` after successful editing
and :meth:`index` after successful deletion.
"""
media = fetch_row(Media, id)
if delete:
self._delete_media(media)
redirect(action='index', id=None)
if not slug:
slug = slugify(title)
elif slug.startswith('_stub_'):
slug = slug[len('_stub_'):]
if slug != media.slug:
media.slug = get_available_slug(Media, slug, media)
media.title = title
media.author = Author(author_name, author_email)
media.description = description
media.notes = notes
media.podcast_id = podcast
media.set_tags(tags)
media.set_categories(categories)
media.update_status()
DBSession.add(media)
DBSession.flush()
if id == 'new' and not has_thumbs(media):
create_default_thumbs_for(media)
if request.is_xhr:
status_form_xhtml = unicode(update_status_form.display(
action=url_for(action='update_status', id=media.id),
media=media))
return dict(
media_id = media.id,
values = {'slug': slug},
link = url_for(action='edit', id=media.id),
status_form = status_form_xhtml,
)
else:
redirect(action='edit', id=media.id)
def save(self, id, slug, title, author_name, author_email,
description, notes, podcast, tags, categories,
delete=None, **kwargs):
"""Save changes or create a new :class:`~mediadrop.model.media.Media` instance.
Form handler the :meth:`edit` action and the
:class:`~mediadrop.forms.admin.media.MediaForm`.
Redirects back to :meth:`edit` after successful editing
and :meth:`index` after successful deletion.
"""
media = fetch_row(Media, id)
if delete:
self._delete_media(media)
redirect(action='index', id=None)
if not slug:
slug = slugify(title)
elif slug.startswith('_stub_'):
slug = slug[len('_stub_'):]
if slug != media.slug:
media.slug = get_available_slug(Media, slug, media)
media.title = title
media.author = Author(author_name, author_email)
media.description = description
media.notes = notes
media.podcast_id = podcast
media.set_tags(tags)
media.set_categories(categories)
media.update_status()
DBSession.add(media)
DBSession.flush()
if id == 'new' and not has_thumbs(media):
create_default_thumbs_for(media)
if request.is_xhr:
status_form_xhtml = unicode(update_status_form.display(
action=url_for(action='update_status', id=media.id),
media=media))
return dict(
media_id = media.id,
values = {'slug': slug},
link = url_for(action='edit', id=media.id),
status_form = status_form_xhtml,
)
else:
redirect(action='edit', id=media.id)
def validate_slug(self, key, slug):
return slugify(slug)
def validate_slug(self, key, slug):
return slugify(slug)
