def get_book_inf(xml, messages=None):
'''
Reads information from xml, finds or creates the book author,
the book files, annotations, etc
Returns tupel of
(NOT saved models.Book with information about it in its fileds,
list of authors, list of book files, list of annotations)
Or raises InputDataServerException, if the book title not found.
'''
if messages == None:
messages = []
book = Book(title='', lang='')
authors = []
book_files = []
annotations = []
# unused flag
#is_author_created = False
for node in xml.getchildren():
if node.tag == 'title':
book.title = strip_str(node.text)
if node.tag == 'lang':
book.language = get_language(node.text)
if node.tag == 'authors' and book.title:
(authors, is_author_created) = get_authors(node, messages)
if node.tag == 'files' and book.title:
book_files = get_files(node)
if node.tag == 'annotation' and book.title:
annotation_txt = strip_str(node.text)
if annotation_txt:
annotation = \
Annotation.objects.get_or_create(name=annotation_txt)[0]
annotations.append(annotation)
# if there are not the title of the book, raise exception
if not book.title:
analyzer_log.warning('In request there is not the title of the book')
raise InputDataServerException(
'In request there is not the title of the book')
# if there are not the book_file, raise exception
elif not book_files:
analyzer_log.warning('In request there is not the book_file')
raise InputDataServerException('In request there is not the book_file')
return (book, authors, book_files, annotations)
def get_book_inf(xml, messages=None):
'''
Reads information from xml, finds or creates the book author,
the book files, annotations, etc
Returns tupel of
(NOT saved models.Book with information about it in its fileds,
list of authors, list of book files, list of annotations)
Or raises InputDataServerException, if the book title not found.
'''
if messages == None:
messages = []
book = Book(title='', lang='')
authors = []
book_files = []
annotations = []
# unused flag
#is_author_created = False
for node in xml.getchildren():
if node.tag == 'title':
book.title = strip_str(node.text)
if node.tag == 'lang':
book.language = get_language(node.text)
if node.tag == 'authors' and book.title:
(authors, is_author_created) = get_authors(node, messages)
if node.tag == 'files' and book.title:
book_files = get_files(node)
if node.tag == 'annotation' and book.title:
annotation_txt = strip_str(node.text)
if annotation_txt:
annotation = \
Annotation.objects.get_or_create(name=annotation_txt)[0]
annotations.append(annotation)
# if there are not the title of the book, raise exception
if not book.title:
analyzer_log.warning('In request there is not the title of the book')
raise InputDataServerException(
'In request there is not the title of the book')
# if there are not the book_file, raise exception
elif not book_files:
analyzer_log.warning('In request there is not the book_file')
raise InputDataServerException('In request there is not the book_file')
return (book, authors, book_files, annotations)
def update_book(xml):
"Executes xml, creates book or updates inf about it."
entity_id = get_id(xml)
now_created = False
if entity_id:
# Modify existing book
book = Book.objects.get(id=entity_id)
else:
# Create new book
book = Book()
now_created = True
title = get_tag_text(xml, 'title')
lang = get_tag_text(xml, 'lang')
lang = get_language(lang)
try:
credit_str = get_tag_text(xml, 'credit')
if credit_str:
book.credit = int(credit_str)
except ValueError, ex:
raise InputDataServerException(ex)
