本文整理汇总了Python中books.models.Book.pk方法的典型用法代码示例。如果您正苦于以下问题：Python Book.pk方法的具体用法？Python Book.pk怎么用？Python Book.pk使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类books.models.Book的用法示例。
在下文中一共展示了Book.pk方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: process_books_summary
# 需要导入模块: from books.models import Book [as 别名]
# 或者: from books.models.Book import pk [as 别名]
def process_books_summary(self, session, user, book_list):
seller_book_list = []
amounts = {}
for book in book_list:
amount = book['amount']
del book['amount']
dbbook = Book(owner=user, accepted=False, sold=False)
if 'pk' in book:
dbbook.book_type_id = book['pk']
seller_book_list.append(book['pk'])
amounts[book['pk']] = amount
else:
book['isbn'] = re.sub(r'[^\dX]+', '', book['isbn'].upper())
book['price'] = Decimal(book['price'])
if book['publication_year'] == "":
book['publication_year'] = 1970
book_type = BookType(**book)
book_type.save()
dbbook.book_type = book_type
seller_book_list.append(book_type.pk)
amounts[book_type.pk] = amount
dbbook_list = []
for i in range(0, amount):
dbbook.pk = None
dbbook_list.append(dbbook)
Book.objects.bulk_create(dbbook_list)
session['seller_books'] = (seller_book_list, amounts)
return True, None示例2: accept_books
# 需要导入模块: from books.models import Book [as 别名]
# 或者: from books.models.Book import pk [as 别名]
def accept_books(request, user_pk):
user = get_object_or_404(AppUser, pk=user_pk)
books = Book.objects.filter(owner=user, accepted=False).select_related('book_type')
d = dict()
for book in books:
d[book.book_type] = d.setdefault(book.book_type, 0) + 1
book_type_list = []
correct_book_list = []
for book_type, amount in d.items():
book_type.amount = amount
book_type_list.append(book_type)
if not books:
raise Http404("There's no books of that user.")
if request.method == 'POST':
with transaction.atomic():
books_count = 0
books.update(accepted=True, accept_date=timezone.now())
for book_type in book_type_list:
if not book_type.visible:
book_type.price = Decimal(request.POST.get('price-' + str(book_type.pk), 1))
book_type.visible = True
book_type.save()
new_amount = int(request.POST.get('amount-' + str(book_type.pk), -1))
if new_amount < 0:
return HttpResponseBadRequest()
if new_amount < book_type.amount:
books_list = Book.objects.filter(owner=user, book_type=book_type)
books_to_keep = books_list[:new_amount]
books_list.exclude(pk__in=books_to_keep).delete()
elif new_amount > book_type.amount:
amount_difference = new_amount - book_type.amount
book = Book(book_type=book_type, owner=user)
book_list = []
for i in range(0, amount_difference):
book.pk = None
book.accepted = True
book.accept_date = timezone.now()
book_list.append(book)
Book.objects.bulk_create(book_list)
if new_amount > 0:
correct_book_list.append(book_type)
book_type.amount = new_amount
books_count += new_amount
# Seller id shown to the user
seller_id = timezone.now().strftime("%Y%m%d") + "-" + str(user.pk) + "-" + str(books_count)
return render(request, 'sellers/success.html',
{'seller': user, 'seller_ID': seller_id, 'given_book_list': correct_book_list})
else:
hide_actions = True
for book_type in book_type_list:
if not book_type.visible:
hide_actions = False
break
return render(request, 'sellers/accept.html',
{'user_name': user.user_name(), 'book_list': book_type_list,
'hide_actions': hide_actions, 'student_pk': user_pk,
'currency': getattr(settings, 'CURRENCY', 'USD')})