def get_opds_navcatalog(self, which, page_url, up_url, offset=0):
categories = self.db.get_categories()
if which not in categories:
raise web.HTTPError(404, reason='Category %r not found' % which)
items = categories[which]
updated = self.db.last_modified()
category_meta = self.db.field_metadata
meta = category_meta.get(which, {})
category_name = meta.get('name', which)
feed_title = default_feed_title + ' :: ' + _('By %s') % category_name
id_ = 'calibre-category-feed:' + which
MAX_ITEMS = CONF['max_opds_ungrouped_items']
if len(items) <= MAX_ITEMS:
max_items = CONF['max_opds_items']
offsets = Offsets(offset, max_items, len(items))
items = list(items)[offsets.offset:offsets.offset + max_items]
ans = CategoryFeed(items,
which,
id_,
updated,
offsets,
page_url,
up_url,
self.db,
title=feed_title)
else:
class Group:
def __init__(self, text, count):
self.text, self.count = text, count
groups = defaultdict(int)
for x in items:
c = first_char(x)
groups[c.upper()] += 1
items = []
for c in sorted(groups.keys(), key=sort_key):
items.append(Group(c, groups[c]))
max_items = CONF['max_opds_items']
offsets = Offsets(offset, max_items, len(items))
items = items[offsets.offset:offsets.offset + max_items]
ans = CategoryGroupFeed(items,
which,
id_,
updated,
offsets,
page_url,
up_url,
title=feed_title)
self.set_header('Last-Modified', self.last_modified(updated))
self.set_header('Content-Type', 'application/atom+xml; charset=UTF-8')
return str(ans)
def get_opds_navcatalog(self,
which,
page_url,
up_url,
version=0,
offset=0):
categories = self.categories_cache(
self.get_opds_allowed_ids_for_version(version))
if which not in categories:
raise cherrypy.HTTPError(404, 'Category %r not found' % which)
items = categories[which]
updated = self.db.last_modified()
id_ = 'calibre-category-feed:' + which
MAX_ITEMS = self.opts.max_opds_ungrouped_items
if len(items) <= MAX_ITEMS:
max_items = self.opts.max_opds_items
offsets = Offsets(offset, max_items, len(items))
items = list(items)[offsets.offset:offsets.offset + max_items]
ans = CategoryFeed(items, which, id_, updated, version, offsets,
page_url, up_url, self.db)
else:
class Group:
def __init__(self, text, count):
self.text, self.count = text, count
starts = set([])
for x in items:
val = getattr(x, 'sort', x.name)
if not val:
val = 'A'
starts.add(val[0].upper())
category_groups = OrderedDict()
for x in sorted(starts, key=sort_key):
category_groups[x] = len([
y for y in items
if getattr(y, 'sort', y.name).startswith(x)
])
items = [Group(x, y) for x, y in category_groups.items()]
max_items = self.opts.max_opds_items
offsets = Offsets(offset, max_items, len(items))
items = items[offsets.offset:offsets.offset + max_items]
ans = CategoryGroupFeed(items, which, id_, updated, version,
offsets, page_url, up_url)
cherrypy.response.headers['Last-Modified'] = self.last_modified(
updated)
cherrypy.response.headers['Content-Type'] = 'application/atom+xml'
return str(ans)
def get_opds_acquisition_feed(self,
ids,
offset,
page_url,
up_url,
id_,
sort_by='title',
ascending=True,
version=0,
feed_title=None):
idx = self.db.FIELD_MAP['id']
ids &= self.get_opds_allowed_ids_for_version(version)
if not ids:
raise cherrypy.HTTPError(404, 'No books found')
items = [x for x in self.db.data.iterall() if x[idx] in ids]
self.sort(items, sort_by, ascending)
max_items = self.opts.max_opds_items
offsets = Offsets(offset, max_items, len(items))
items = items[offsets.offset:offsets.offset + max_items]
updated = self.db.last_modified()
cherrypy.response.headers['Last-Modified'] = self.last_modified(
updated)
cherrypy.response.headers[
'Content-Type'] = 'application/atom+xml;profile=opds-catalog'
return str(
AcquisitionFeed(updated,
id_,
items,
offsets,
page_url,
up_url,
version,
self.db,
self.opts.url_prefix,
title=feed_title))
def get_opds_acquisition_feed(self,
ids,
offset,
page_url,
up_url,
id_,
sort_by='title',
ascending=True,
feed_title=None):
idx = self.db.FIELD_MAP['id']
if not ids:
raise web.HTTPError(404, reason='No books found')
items = [x for x in self.db.data.iterall() if x[idx] in ids]
self.sort(items, sort_by, ascending)
max_items = CONF['max_opds_items']
offsets = Offsets(offset, max_items, len(items))
items = items[offsets.offset:offsets.offset + max_items]
updated = self.db.last_modified()
self.set_header('Last-Modified', self.last_modified(updated))
self.set_header('Content-Type',
'application/atom+xml; profile=opds-catalog')
return str(
AcquisitionFeed(updated,
id_,
items,
offsets,
page_url,
up_url,
self.db,
CONF['url_prefix'],
title=feed_title))
def opds_category_group(self, category=None, which=None, offset=0):
try:
offset = int(offset)
except:
raise web.HTTPError(404, reason='Not found')
if not which or not category:
raise web.HTTPError(404, reason='Not found')
categories = self.db.get_categories()
page_url = url_for('opdscategorygroup', category=category, which=which)
category = unhexlify(category)
if category not in categories:
raise web.HTTPError(404, reason='Category %r not found' % which)
category_meta = self.db.field_metadata
meta = category_meta.get(category, {})
category_name = meta.get('name', which)
which = unhexlify(which)
feed_title = default_feed_title + ' :: ' + (_('By {0} :: {1}').format(
category_name, which))
owhich = hexlify('N' + which)
up_url = url_for('opdsnavcatalog', which=owhich)
items = categories[category]
def belongs(x, which):
return first_char(x).lower() == which.lower()
items = [x for x in items if belongs(x, which)]
if not items:
raise web.HTTPError(404,
reason='No items in group %r:%r' %
(category, which))
updated = self.db.last_modified()
id_ = 'calibre-category-group-feed:' + category + ':' + which
max_items = CONF['max_opds_items']
offsets = Offsets(offset, max_items, len(items))
items = list(items)[offsets.offset:offsets.offset + max_items]
self.set_header('Last-Modified', self.last_modified(updated))
self.set_header('Content-Type', 'application/atom+xml; charset=UTF-8')
return str(
CategoryFeed(items,
category,
id_,
updated,
offsets,
page_url,
up_url,
self.db,
title=feed_title))
def opds_category_group(self,
category=None,
which=None,
version=0,
offset=0):
try:
offset = int(offset)
version = int(version)
except:
raise cherrypy.HTTPError(404, 'Not found')
if not which or not category or version not in BASE_HREFS:
raise cherrypy.HTTPError(404, 'Not found')
categories = self.categories_cache(
self.get_opds_allowed_ids_for_version(version))
page_url = url_for('opdscategorygroup',
version,
category=category,
which=which)
category = unhexlify(category)
if category not in categories:
raise cherrypy.HTTPError(404, 'Category %r not found' % which)
which = unhexlify(which)
owhich = hexlify('N' + which)
up_url = url_for('opdsnavcatalog', version, which=owhich)
items = categories[category]
def belongs(x, which):
return getattr(x, 'sort', x.name).lower().startswith(which.lower())
items = [x for x in items if belongs(x, which)]
if not items:
raise cherrypy.HTTPError(
404, 'No items in group %r:%r' % (category, which))
updated = self.db.last_modified()
id_ = 'calibre-category-group-feed:' + category + ':' + which
max_items = self.opts.max_opds_items
offsets = Offsets(offset, max_items, len(items))
items = list(items)[offsets.offset:offsets.offset + max_items]
cherrypy.response.headers['Last-Modified'] = self.last_modified(
updated)
cherrypy.response.headers['Content-Type'] = 'application/atom+xml'
return str(
CategoryFeed(items, category, id_, updated, version, offsets,
page_url, up_url, self.db))
