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reimplement relation-based collection attributes

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git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2845 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2008-08-24 08:30:44 +00:00
parent cb7c2927a1
commit 2cd4877488
2 changed files with 13 additions and 17 deletions
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24
commerce/README.txt
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@ -17,10 +17,10 @@ Let's start with two shops:
Now we add products to the shops. Now we add products to the shops.
>>> from cybertools.commerce.product import Product >>> from cybertools.commerce.product import Product
>>> p001 = Product(u'p001', u'Silent Case') >>> p001 = Product(u'001', u'Silent Case')
>>> p002 = Product(u'p002', u'Portable Projector') >>> p002 = Product(u'002', u'Portable Projector')
>>> p003 = Product(u'p003', u'HD Flatscreen Monitor') >>> p003 = Product(u'003', u'HD Flatscreen Monitor')
>>> p004 = Product(u'p004', u'Giga Mainboard') >>> p004 = Product(u'004', u'Giga Mainboard')
>>> shop1.products.add(p001) >>> shop1.products.add(p001)
>>> shop1.products.add(p003) >>> shop1.products.add(p003)
@ -29,8 +29,8 @@ Now we add products to the shops.
>>> shop2.products.add(p003) >>> shop2.products.add(p003)
>>> sorted((p.productId, p.title) for p in shop1.products) >>> sorted((p.productId, p.title) for p in shop1.products)
[(u'p001', u'Silent Case'), (u'p003', u'HD Flatscreen Monitor'), [(u'001', u'Silent Case'), (u'003', u'HD Flatscreen Monitor'),
(u'p004', u'Giga Mainboard')] (u'004', u'Giga Mainboard')]
Let's have a look at the product - it should correctly reference the shops Let's have a look at the product - it should correctly reference the shops
it belongs to. it belongs to.
@ -43,10 +43,10 @@ Customers
========= =========
>>> from cybertools.commerce.customer import Customer >>> from cybertools.commerce.customer import Customer
>>> c001 = Customer(u'c001', u'Your Local Computer Store') >>> c001 = Customer(u'001', u'Your Local Computer Store')
>>> c002 = Customer(u'c002', u'Speedy Gonzales') >>> c002 = Customer(u'002', u'Speedy Gonzales')
>>> c003 = Customer(u'c003', u'TeeVee') >>> c003 = Customer(u'003', u'TeeVee')
>>> c004 = Customer(u'c004', u'MacVideo') >>> c004 = Customer(u'004', u'MacVideo')
>>> shop1.customers.add(c001) >>> shop1.customers.add(c001)
>>> shop1.customers.add(c002) >>> shop1.customers.add(c002)
@ -56,8 +56,8 @@ Customers
>>> shop2.customers.add(c004) >>> shop2.customers.add(c004)
>>> sorted((c.customerId, c.title) for c in shop1.customers) >>> sorted((c.customerId, c.title) for c in shop1.customers)
[(u'c001', u'Your Local Computer Store'), (u'c002', u'Speedy Gonzales'), [(u'001', u'Your Local Computer Store'), (u'002', u'Speedy Gonzales'),
(u'c004', u'MacVideo')] (u'004', u'MacVideo')]
>>> sorted((s.name, s.title) for s in c002.shops) >>> sorted((s.name, s.title) for s in c002.shops)
[(u'shop1', u'PC up Ltd'), (u'shop2', u'Video up Ltd')] [(u'shop1', u'PC up Ltd'), (u'shop2', u'Video up Ltd')]

6
commerce/common.py
View file

@ -36,11 +36,7 @@ class RelationSet(object):
relatedData[self.parent.name] = self.parent relatedData[self.parent.name] = self.parent
def remove(self, related): def remove(self, related):
if isinstance(related, basestring): name = related.name
name = related
related = self[name]
else:
name = related.name
del self.data[name] del self.data[name]
relatedData = getattr(related, self.attributeName).data relatedData = getattr(related, self.attributeName).data
del relatedData[self.parent.name] del relatedData[self.parent.name]