[IMP] Give todays'date in default.

bzr revid: bth@tinyerp.com-20121207071910-p87eady1aiicguy2

addons/account/account_invoice.py

@@ -22,6 +22,7 @@
 import time
 from lxml import etree
 import decimal_precision as dp
+from datetime import datetime
 
 import netsvc
 import pooler
@@ -289,6 +290,7 @@ class account_invoice(osv.osv):
         'internal_number': False,
         'user_id': lambda s, cr, u, c: u,
         'sent': False,
+        'date_invoice': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     }
     _sql_constraints = [
         ('number_uniq', 'unique(number, company_id, journal_id, type)', 'Invoice Number must be unique per Company!'),

addons/sale/wizard/sale_make_invoice.py

@@ -21,6 +21,7 @@
 from osv import fields, osv
 from tools.translate import _
 import netsvc
+from datetime import datetime
 
 class sale_make_invoice(osv.osv_memory):
     _name = "sale.make.invoice"
@@ -30,7 +31,8 @@ class sale_make_invoice(osv.osv_memory):
         'invoice_date': fields.date('Invoice Date'),
     }
     _defaults = {
-        'grouped': False
+        'grouped': False,
+        'invoice_date': lambda *a:datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     }
 
     def view_init(self, cr, uid, fields_list, context=None):