Merge pull request #4554 from umairsy/develop

Updated Articles
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index b10b72f..2a6ab88 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -140,7 +140,7 @@
 		clear_doctype_notifications(self)
 
 	def on_submit(self):
-		if self.has_drop_ship_item():
+		if self.is_against_so():
 			self.update_status_updater()
 
 		super(PurchaseOrder, self).on_submit()
@@ -157,8 +157,10 @@
 		purchase_controller.update_last_purchase_rate(self, is_submit = 1)
 
 	def on_cancel(self):
-		if self.has_drop_ship_item():
+		if self.is_against_so():
 			self.update_status_updater()
+			
+		if self.has_drop_ship_item():
 			self.update_delivered_qty_in_sales_order()
 
 		pc_obj = frappe.get_doc('Purchase Common')
@@ -222,13 +224,10 @@
 			so.notify_update()
 
 	def has_drop_ship_item(self):
-		is_drop_ship = False
-
-		for item in self.items:
-			if item.delivered_by_supplier == 1:
-				is_drop_ship = True
-
-		return is_drop_ship
+		return any([d.delivered_by_supplier for d in self.items])
+		
+	def is_against_so(self):
+		return any([d.prevdoc_doctype for d in self.items if d.prevdoc_doctype=="Sales Order"])
 
 	def set_received_qty_for_drop_ship_items(self):
 		for item in self.items:
diff --git a/erpnext/controllers/item_variant.py b/erpnext/controllers/item_variant.py
index 5890b5d..a8f69ca 100644
--- a/erpnext/controllers/item_variant.py
+++ b/erpnext/controllers/item_variant.py
@@ -12,7 +12,7 @@
 class ItemTemplateCannotHaveStock(frappe.ValidationError): pass
 
 @frappe.whitelist()
-def get_variant(item, args):
+def get_variant(variant, template, args):
 	"""Validates Attributes and their Values, then looks for an exactly matching Item Variant
 
 		:param item: Template Item
@@ -24,9 +24,9 @@
 	if not args:
 		frappe.throw(_("Please specify at least one attribute in the Attributes table"))
 
-	validate_item_variant_attributes(item, args)
+	validate_item_variant_attributes(template, args)
 
-	return find_variant(item, args)
+	return find_variant(variant, template, args)
 
 def validate_item_variant_attributes(item, args):
 	attribute_values = {}
@@ -65,7 +65,7 @@
 			frappe.throw(_("Value {0} for Attribute {1} does not exist in the list of valid Item Attribute Values").format(
 				value, attribute))
 
-def find_variant(item, args):
+def find_variant(variant_item_code, template, args):
 	conditions = ["""(iv_attribute.attribute="{0}" and iv_attribute.attribute_value="{1}")"""\
 		.format(frappe.db.escape(key), frappe.db.escape(cstr(value))) for key, value in args.items()]
 
@@ -79,8 +79,8 @@
 		where variant_of=%s and exists (
 			select name from `tabItem Variant Attribute` iv_attribute
 				where iv_attribute.parent=item.name
-				and ({conditions})
-		)""".format(conditions=conditions), item)
+				and ({conditions}) and parent != %s
+		)""".format(conditions=conditions), (template, variant_item_code))
 
 	for variant in possible_variants:
 		variant = frappe.get_doc("Item", variant)
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index 8e6b2c6..e3c275a 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -23,6 +23,7 @@
 setup_wizard_requires = "assets/erpnext/js/setup_wizard.js"
 setup_wizard_complete = "erpnext.setup.setup_wizard.setup_wizard.setup_complete"
 
+before_install = "erpnext.setup.install.check_setup_wizard_not_completed"
 after_install = "erpnext.setup.install.after_install"
 
 boot_session = "erpnext.startup.boot.boot_session"
diff --git a/erpnext/setup/install.py b/erpnext/setup/install.py
index dcb6eb3..b4e19da 100644
--- a/erpnext/setup/install.py
+++ b/erpnext/setup/install.py
@@ -17,6 +17,14 @@
 	add_web_forms()
 	frappe.db.commit()
 
+def check_setup_wizard_not_completed():
+	if frappe.db.get_default('desktop:home_page') == 'desktop':
+		print
+		print "ERPNext can only be installed on a fresh site where the setup wizard is not completed"
+		print "You can reinstall this site (after saving your data) using: bench --site [sitename] reinstall"
+		print
+		return False
+
 def feature_setup():
 	"""save global defaults and features setup"""
 	doc = frappe.get_doc("Features Setup", "Features Setup")
diff --git a/erpnext/setup/setup_wizard/setup_wizard.py b/erpnext/setup/setup_wizard/setup_wizard.py
index 4d4cc6d..9892e71 100644
--- a/erpnext/setup/setup_wizard/setup_wizard.py
+++ b/erpnext/setup/setup_wizard/setup_wizard.py
@@ -106,8 +106,23 @@
 	}).insert()
 
 	# Bank Account
+	create_bank_account(args)
 
 	args["curr_fiscal_year"] = curr_fiscal_year
+	
+def create_bank_account(args):
+	if args.get("bank_account"):
+		bank_account_group =  frappe.db.get_value("Account", 
+			{"account_type": "Bank", "is_group": 1, "root_type": "Asset"})
+		if bank_account_group:
+			frappe.get_doc({
+				"doctype": "Account",
+				'account_name': args.get("bank_account"),
+				'parent_account': bank_account_group,
+				'is_group':0,
+				'company':args.get('company_name').strip(),
+				"account_type": "Bank",
+			}).insert()
 
 def create_price_lists(args):
 	for pl_type, pl_name in (("Selling", _("Standard Selling")), ("Buying", _("Standard Buying"))):
diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index 55295f4..d6e4748 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -320,6 +320,10 @@
 		frm.toggle_display("attributes", frm.doc.has_variants || frm.doc.variant_of);
 		frm.fields_dict.attributes.grid.toggle_reqd("attribute_value", frm.doc.variant_of ? 1 : 0);
 		frm.fields_dict.attributes.grid.set_column_disp("attribute_value", frm.doc.variant_of ? 1 : 0);
+		
+		frm.toggle_enable("attributes", !frm.doc.variant_of);
+		frm.fields_dict.attributes.grid.toggle_enable("attribute", !frm.doc.variant_of);
+		frm.fields_dict.attributes.grid.toggle_enable("attribute_value", !frm.doc.variant_of);
 	}
 });
 
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index dfe17e8..1004f91 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -563,11 +563,10 @@
 					frappe.throw(_("Please specify Attribute Value for attribute {0}").format(d.attribute))
 				args[d.attribute] = d.attribute_value
 
-			if self.variant_of:
-				# test this during insert because naming is based on item_code and we cannot use condition like self.name != variant
-				variant = get_variant(self.variant_of, args)
-				if variant and self.get("__islocal"):
-					frappe.throw(_("Item variant {0} exists with same attributes").format(variant), ItemVariantExistsError)
+			variant = get_variant(self.name, self.variant_of, args)
+			if variant:
+				frappe.throw(_("Item variant {0} exists with same attributes")
+					.format(variant), ItemVariantExistsError)
 
 def validate_end_of_life(item_code, end_of_life=None, disabled=None, verbose=1):
 	if (not end_of_life) or (disabled is None):
diff --git a/erpnext/stock/doctype/item/test_item.py b/erpnext/stock/doctype/item/test_item.py
index bd6fe28..f8b6393 100644
--- a/erpnext/stock/doctype/item/test_item.py
+++ b/erpnext/stock/doctype/item/test_item.py
@@ -107,6 +107,7 @@
 
 		# doing it again should raise error
 		variant = create_variant("_Test Variant Item", {"Test Size": "Large"})
+		variant.item_code = "_Test Variant Item-L-duplicate"
 		self.assertRaises(ItemVariantExistsError, variant.save)
 
 	def test_make_item_variant_with_numeric_values(self):