def _tryGetBookInfo(self, isbn, library):
url = self._searchprefix + isbn + self._searchsuffix
try:
rssobj = urllib.urlopen(url)
except IOError:
print('Error: Could not read url ' + url)
return False
try:
rssdoc = parse(rssobj)
except xml.dom.DOMException:
print('Error: Could not read RSS')
return False
finally:
rssobj.close()
nodes = rssdoc.getElementsByTagName(el_item)
if(nodes.length < 0):
return False
for i in nodes:
link = getTextNodeValue(i, el_link)
try:
data = harvestBookInfo(link, library)
except Exception as e:
print('BlogPostItem ' + self._rawtitle + ':\n ' + e.value)
else:
self._selectShelf(data.shelves)
self.section = data.section
return True
return False
dims -- tuple containing normal width and height of the image
smalldims -- tuple containing small width and height of the image
library -- if not None only books from this library will be considered
xmlnode -- if not None the OpacBookItem will be loaded from this cache node
url -- if not None the OpacBookItem will be loaded from this url
"""
BookItem.__init__(self, dims, smalldims)
if(xmlnode is not None):
self._loadfromcache(xmlnode, dir)
self.author = xmlnode.attributes[attr_author].value
self._loadimage(dims, smalldims)
elif(url is not None):
try:
data = itemharvester.harvestBookInfo(url, library)
except:
self.valid = False
return
self._rawtitle = data.title
self.author = data.author
self._rawtext = data.rawtext
self.uid = data.isbn
self._selectShelf(data.shelves)
self.section = data.section
self.subjects = data.subjects
if(self.uid == ''):
self.valid = False
return
dims -- tuple containing normal width and height of the image
smalldims -- tuple containing small width and height of the image
library -- if not None only books from this library will be considered
xmlnode -- if not None the OpacBookItem will be loaded from this cache node
url -- if not None the OpacBookItem will be loaded from this url
"""
BookItem.__init__(self, dims, smalldims)
if (xmlnode is not None):
self._loadfromcache(xmlnode, dir)
self.author = xmlnode.attributes[attr_author].value
self._loadimage(dims, smalldims)
elif (url is not None):
try:
data = itemharvester.harvestBookInfo(url, library)
except:
self.valid = False
return
self._rawtitle = data.title
self.author = data.author
self._rawtext = data.rawtext
self.uid = data.isbn
self._selectShelf(data.shelves)
self.section = data.section
self.subjects = data.subjects
if (self.uid == ''):
self.valid = False
return
