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product.py
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product.py
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# -*- coding: utf-8 -*-
'''
icecat
:copyright: (c) 2013 by Openlabs Technologies & Consulting (P) Ltd.
:license: BSD, see LICENSE for more details
'''
from decimal import Decimal
from trytond.wizard import Wizard, StateView, Button, StateAction
from trytond.model import ModelView, fields
from trytond.pool import Pool, PoolMeta
from trytond.exceptions import UserError
from trytond.transaction import Transaction
from trytond.config import CONFIG
from trytond.pyson import Eval
from lxml import objectify
import requests
__all__ = [
'AddIcecatProductView', 'ImportIcecatProduct', 'Product',
]
__metaclass__ = PoolMeta
class Product:
__name__ = 'product.product'
def save_icecat_alternate_lang_data(self, language, data):
"""
Extract alternate langauge data from the xml and save it
:param lanaguge: Active record of the language
:param data: lxml objectified record of the product
"""
with Transaction().set_context(language=language.code):
try:
expression = '//ProductDescription[@langid="%d"]'
prod_description, = data.Product.xpath(
expression % language.icecat_id
)
except ValueError:
pass
else:
self.write(
[self],
{'description': prod_description.attrib.get('LongDesc')}
)
@classmethod
def create_from_icecat_data(cls, data):
"""
Create a product from the given XML data object
:param data: Objectified XML data for a specific product
"""
Template = Pool().get('product.template')
IrLang = Pool().get('ir.lang')
UOM = Pool().get('product.uom')
unit, = UOM.search([('symbol', '=', 'u')])
with Transaction().set_context(language='en_US'):
# Create the product first
template, = Template.create([{
'name': data.Product.attrib['Title'],
# Assume it is units
'default_uom': unit,
# List and cost price is not obtained from here
'cost_price': Decimal('0'),
'list_price': Decimal('0'),
# Do not create variants
'products': [],
}])
# get the description in en_US from ProductDescription
# attribute
try:
expression = '//ProductDescription[@langid="1"]'
prod_description, = data.Product.xpath(expression)
except ValueError:
description = None
else:
description = prod_description.attrib.get('LongDesc')
product, = cls.create([{
'template': template.id,
'code': data.Product.attrib['Prod_id'],
'description': description,
}])
# Set the translations for translatable fields
languages = IrLang.search([
('translatable', '=', True),
('icecat_id', '!=', None),
])
for lanuage in languages:
product.save_icecat_alternate_lang_data(lanuage, data)
return product
class AddIcecatProductView(ModelView):
"Add IceCat product view"
__name__ = "product.icecat.import.start"
mode = fields.Selection([
('url', 'XML URL'),
('product_id', 'Product ID'),
], 'Mode', required=True)
url = fields.Char(
'XML URL', states={
'required': Eval('mode') == 'url',
'invisible': Eval('mode') != 'url',
}
)
product_id = fields.Integer(
'Product ID', states={
'required': Eval('mode') == 'product_id',
'invisible': Eval('mode') != 'product_id',
}
)
@staticmethod
def default_mode():
return 'product_id'
class ImportIcecatProduct(Wizard):
"Import a product from Icecat"
__name__ = "product.icecat.import"
start = StateView(
"product.icecat.import.start",
"product_icecat.import_start_view_form", [
Button('Cancel', 'end', 'tryton-cancel'),
Button('Import', 'import_', 'tryton-ok', default=True),
]
)
import_ = StateAction('product.act_product_form')
@classmethod
def get_objectified_xml(cls, url):
"""
Return the objectified XML for the url
"""
if ('icecat_username' not in CONFIG.options) or \
('icecat_password' not in CONFIG.options):
raise UserError('Icecat username or password not in config')
return objectify.fromstring(
requests.get(
url,
auth=(CONFIG['icecat_username'], CONFIG['icecat_password'])
).content
)
def do_import_(self, action):
"""
Import the product and close the wizard
TODO: Take the user to the imported product
"""
Product = Pool().get('product.product')
if self.start.mode == 'url':
url = self.start.url
elif self.start.mode == 'product_id':
url = 'http://data.icecat.biz/export/freexml/INT/%d.xml' % (
self.start.product_id
)
data = self.get_objectified_xml(url)
product = Product.create_from_icecat_data(data)
action['views'].reverse()
return action, {'res_id': [product.id]}