diff --git a/erpnext/__version__.py b/erpnext/__version__.py
index 7a61e5f6dd..928ce49652 100644
--- a/erpnext/__version__.py
+++ b/erpnext/__version__.py
@@ -1,2 +1,2 @@
 from __future__ import unicode_literals
-__version__ = '6.0.0'
+__version__ = '6.0.1'
diff --git a/erpnext/controllers/item_variant.py b/erpnext/controllers/item_variant.py
new file mode 100644
index 0000000000..4edf52b645
--- /dev/null
+++ b/erpnext/controllers/item_variant.py
@@ -0,0 +1,168 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from frappe.utils import cstr, flt
+import json
+
+class ItemVariantExistsError(frappe.ValidationError): pass
+class InvalidItemAttributeValueError(frappe.ValidationError): pass
+class ItemTemplateCannotHaveStock(frappe.ValidationError): pass
+
+@frappe.whitelist()
+def get_variant(item, args):
+	"""Validates Attributes and their Values, then looks for an exactly matching Item Variant
+
+		:param item: Template Item
+		:param args: A dictionary with "Attribute" as key and "Attribute Value" as value
+	"""
+	if isinstance(args, basestring):
+		args = json.loads(args)
+
+	if not args:
+		frappe.throw(_("Please specify at least one attribute in the Attributes table"))
+
+	validate_item_variant_attributes(item, args)
+
+	return find_variant(item, args)
+
+def validate_item_variant_attributes(item, args):
+	attribute_values = {}
+	for t in frappe.get_all("Item Attribute Value", fields=["parent", "attribute_value"],
+		filters={"parent": ["in", args.keys()]}):
+		(attribute_values.setdefault(t.parent, [])).append(t.attribute_value)
+
+	numeric_attributes = frappe._dict((t.attribute, t) for t in \
+		frappe.db.sql("""select attribute, from_range, to_range, increment from `tabItem Variant Attribute`
+		where parent = %s and numeric_values=1""", (item), as_dict=1))
+
+	for attribute, value in args.items():
+		if attribute in numeric_attributes:
+			numeric_attribute = numeric_attributes[attribute]
+
+			from_range = numeric_attribute.from_range
+			to_range = numeric_attribute.to_range
+			increment = numeric_attribute.increment
+
+			if increment == 0:
+				# defensive validation to prevent ZeroDivisionError
+				frappe.throw(_("Increment for Attribute {0} cannot be 0").format(attribute))
+
+			is_in_range = from_range <= flt(value) <= to_range
+			precision = len(cstr(increment).split(".")[-1].rstrip("0"))
+			#avoid precision error by rounding the remainder
+			remainder = flt((flt(value) - from_range) % increment, precision)
+
+			is_incremental = remainder==0 or remainder==0 or remainder==increment
+
+			if not (is_in_range and is_incremental):
+				frappe.throw(_("Value for Attribute {0} must be within the range of {1} to {2} in the increments of {3}")\
+					.format(attribute, from_range, to_range, increment), InvalidItemAttributeValueError)
+
+		elif value not in attribute_values[attribute]:
+			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):
+	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()]
+
+	conditions = " or ".join(conditions)
+
+	# use approximate match and shortlist possible variant matches
+	# it is approximate because we are matching using OR condition
+	# and it need not be exact match at this stage
+	# this uses a simpler query instead of using multiple exists conditions
+	possible_variants = frappe.db.sql_list("""select name from `tabItem` item
+		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)
+
+	for variant in possible_variants:
+		variant = frappe.get_doc("Item", variant)
+
+		if len(args.keys()) == len(variant.get("attributes")):
+			# has the same number of attributes and values
+			# assuming no duplication as per the validation in Item
+			match_count = 0
+
+			for attribute, value in args.items():
+				for row in variant.attributes:
+					if row.attribute==attribute and row.attribute_value== cstr(value):
+						# this row matches
+						match_count += 1
+						break
+
+			if match_count == len(args.keys()):
+				return variant.name
+
+@frappe.whitelist()
+def create_variant(item, args):
+	if isinstance(args, basestring):
+		args = json.loads(args)
+
+	template = frappe.get_doc("Item", item)
+	variant = frappe.new_doc("Item")
+	variant_attributes = []
+
+	for d in template.attributes:
+		variant_attributes.append({
+			"attribute": d.attribute,
+			"attribute_value": args.get(d.attribute)
+		})
+
+	variant.set("attributes", variant_attributes)
+	copy_attributes_to_variant(template, variant)
+	make_variant_item_code(template, variant)
+
+	return variant
+
+def copy_attributes_to_variant(item, variant):
+	from frappe.model import no_value_fields
+	for field in item.meta.fields:
+		if field.fieldtype not in no_value_fields and (not field.no_copy)\
+			and field.fieldname not in ("item_code", "item_name"):
+			if variant.get(field.fieldname) != item.get(field.fieldname):
+				variant.set(field.fieldname, item.get(field.fieldname))
+	variant.variant_of = item.name
+	variant.has_variants = 0
+	variant.show_in_website = 0
+	if variant.attributes:
+		variant.description += "\n"
+		for d in variant.attributes:
+			variant.description += "<p>" + d.attribute + ": " + cstr(d.attribute_value) + "</p>"
+
+def make_variant_item_code(template, variant):
+	"""Uses template's item code and abbreviations to make variant's item code"""
+	if variant.item_code:
+		return
+
+	abbreviations = []
+	for attr in variant.attributes:
+		item_attribute = frappe.db.sql("""select i.numeric_values, v.abbr
+			from `tabItem Attribute` i left join `tabItem Attribute Value` v
+				on (i.name=v.parent)
+			where i.name=%(attribute)s and v.attribute_value=%(attribute_value)s""", {
+				"attribute": attr.attribute,
+				"attribute_value": attr.attribute_value
+			}, as_dict=True)
+
+		if not item_attribute:
+			# somehow an invalid item attribute got used
+			return
+
+		if item_attribute[0].numeric_values:
+			# don't generate item code if one of the attributes is numeric
+			return
+
+		abbreviations.append(item_attribute[0].abbr)
+
+	if abbreviations:
+		variant.item_code = "{0}-{1}".format(template.item_code, "-".join(abbreviations))
+
+	if variant.item_code:
+		variant.item_name = variant.item_code
diff --git a/erpnext/crm/doctype/opportunity/opportunity.json b/erpnext/crm/doctype/opportunity/opportunity.json
index f3291f2324..77e4e5dca7 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.json
+++ b/erpnext/crm/doctype/opportunity/opportunity.json
@@ -1,946 +1,945 @@
 {
- "allow_copy": 0, 
- "allow_import": 1, 
- "allow_rename": 0, 
- "autoname": "naming_series:", 
- "creation": "2013-03-07 18:50:30", 
- "custom": 0, 
- "description": "Potential Sales Deal", 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Document", 
+ "allow_copy": 0,
+ "allow_import": 1,
+ "allow_rename": 0,
+ "autoname": "naming_series:",
+ "creation": "2013-03-07 18:50:30",
+ "custom": 0,
+ "description": "Potential Sales Deal",
+ "docstatus": 0,
+ "doctype": "DocType",
+ "document_type": "Document",
  "fields": [
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "from_section", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "", 
-   "no_copy": 0, 
-   "options": "icon-user", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "from_section",
+   "fieldtype": "Section Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "",
+   "no_copy": 0,
+   "options": "icon-user",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "naming_series", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Series", 
-   "no_copy": 1, 
-   "oldfieldname": "naming_series", 
-   "oldfieldtype": "Select", 
-   "options": "OPTY-", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "naming_series",
+   "fieldtype": "Select",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Series",
+   "no_copy": 1,
+   "oldfieldname": "naming_series",
+   "oldfieldtype": "Select",
+   "options": "OPTY-",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "enquiry_from", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Opportunity From", 
-   "no_copy": 0, 
-   "oldfieldname": "enquiry_from", 
-   "oldfieldtype": "Select", 
-   "options": "\nLead\nCustomer", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "enquiry_from",
+   "fieldtype": "Select",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Opportunity From",
+   "no_copy": 0,
+   "oldfieldname": "enquiry_from",
+   "oldfieldtype": "Select",
+   "options": "\nLead\nCustomer",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 1, 
-   "collapsible": 0, 
-   "depends_on": "eval:doc.enquiry_from===\"Customer\"", 
-   "fieldname": "customer", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 1, 
-   "in_list_view": 0, 
-   "label": "Customer", 
-   "no_copy": 0, 
-   "oldfieldname": "customer", 
-   "oldfieldtype": "Link", 
-   "options": "Customer", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 1,
+   "collapsible": 0,
+   "depends_on": "eval:doc.enquiry_from===\"Customer\"",
+   "fieldname": "customer",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 1,
+   "in_list_view": 0,
+   "label": "Customer",
+   "no_copy": 0,
+   "oldfieldname": "customer",
+   "oldfieldtype": "Link",
+   "options": "Customer",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 1, 
-   "collapsible": 0, 
-   "depends_on": "eval:doc.enquiry_from===\"Lead\"", 
-   "fieldname": "lead", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 1, 
-   "in_list_view": 0, 
-   "label": "Lead", 
-   "no_copy": 0, 
-   "oldfieldname": "lead", 
-   "oldfieldtype": "Link", 
-   "options": "Lead", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 1,
+   "collapsible": 0,
+   "depends_on": "eval:doc.enquiry_from===\"Lead\"",
+   "fieldname": "lead",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 1,
+   "in_list_view": 0,
+   "label": "Lead",
+   "no_copy": 0,
+   "oldfieldname": "lead",
+   "oldfieldtype": "Link",
+   "options": "Lead",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "depends_on": "", 
-   "fieldname": "customer_name", 
-   "fieldtype": "Data", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Customer / Lead Name", 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 1, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "depends_on": "",
+   "fieldname": "customer_name",
+   "fieldtype": "Data",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Customer / Lead Name",
+   "no_copy": 0,
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 1,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "column_break0", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "no_copy": 0, 
-   "oldfieldtype": "Column Break", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "column_break0",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "no_copy": 0,
+   "oldfieldtype": "Column Break",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "50%"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "title", 
-   "fieldtype": "Data", 
-   "hidden": 1, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Title", 
-   "no_copy": 0, 
-   "options": "[{status}] {enquiry_type} from {customer}", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "title",
+   "fieldtype": "Data",
+   "hidden": 1,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Title",
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "default": "Sales", 
-   "fieldname": "enquiry_type", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Opportunity Type", 
-   "no_copy": 0, 
-   "oldfieldname": "enquiry_type", 
-   "oldfieldtype": "Select", 
-   "options": "Sales\nMaintenance", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "default": "Sales",
+   "fieldname": "enquiry_type",
+   "fieldtype": "Select",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Opportunity Type",
+   "no_copy": 0,
+   "oldfieldname": "enquiry_type",
+   "oldfieldtype": "Select",
+   "options": "Sales\nMaintenance",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "default": "Open", 
-   "fieldname": "status", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Status", 
-   "no_copy": 1, 
-   "oldfieldname": "status", 
-   "oldfieldtype": "Select", 
-   "options": "Open\nQuotation\nLost\nReplied\nClosed", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "default": "Open",
+   "fieldname": "status",
+   "fieldtype": "Select",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Status",
+   "no_copy": 1,
+   "oldfieldname": "status",
+   "oldfieldtype": "Select",
+   "options": "Open\nQuotation\nLost\nReplied\nClosed",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "depends_on": "eval:doc.status===\"Lost\"", 
-   "fieldname": "order_lost_reason", 
-   "fieldtype": "Small Text", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Lost Reason", 
-   "no_copy": 1, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 1, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "depends_on": "eval:doc.status===\"Lost\"",
+   "fieldname": "order_lost_reason",
+   "fieldtype": "Small Text",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
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-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "column_break1",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "no_copy": 0,
+   "oldfieldtype": "Column Break",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "50%"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "company", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 1, 
-   "in_list_view": 0, 
-   "label": "Company", 
-   "no_copy": 0, 
-   "oldfieldname": "company", 
-   "oldfieldtype": "Link", 
-   "options": "Company", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 1, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "company",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 1,
+   "in_list_view": 0,
+   "label": "Company",
+   "no_copy": 0,
+   "oldfieldname": "company",
+   "oldfieldtype": "Link",
+   "options": "Company",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 1,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "default": "Today", 
-   "fieldname": "transaction_date", 
-   "fieldtype": "Date", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Opportunity Date", 
-   "no_copy": 0, 
-   "oldfieldname": "transaction_date", 
-   "oldfieldtype": "Date", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "default": "Today",
+   "fieldname": "transaction_date",
+   "fieldtype": "Date",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Opportunity Date",
+   "no_copy": 0,
+   "oldfieldname": "transaction_date",
+   "oldfieldtype": "Date",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "50px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "fiscal_year", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 1, 
-   "in_list_view": 0, 
-   "label": "Fiscal Year", 
-   "no_copy": 0, 
-   "oldfieldname": "fiscal_year", 
-   "oldfieldtype": "Select", 
-   "options": "Fiscal Year", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 1, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "fiscal_year",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 1,
+   "in_list_view": 0,
+   "label": "Fiscal Year",
+   "no_copy": 0,
+   "oldfieldname": "fiscal_year",
+   "oldfieldtype": "Select",
+   "options": "Fiscal Year",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 1,
+   "search_index": 1,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 1, 
-   "collapsible_depends_on": "contact_by", 
-   "fieldname": "next_contact", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Next Contact", 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 1,
+   "collapsible_depends_on": "contact_by",
+   "fieldname": "next_contact",
+   "fieldtype": "Section Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Next Contact",
+   "no_copy": 0,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "description": "Your sales person who will contact the customer in future", 
-   "fieldname": "contact_by", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 1, 
-   "in_list_view": 0, 
-   "label": "Next Contact By", 
-   "no_copy": 0, 
-   "oldfieldname": "contact_by", 
-   "oldfieldtype": "Link", 
-   "options": "User", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "description": "Your sales person who will contact the customer in future",
+   "fieldname": "contact_by",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 1,
+   "in_list_view": 0,
+   "label": "Next Contact By",
+   "no_copy": 0,
+   "oldfieldname": "contact_by",
+   "oldfieldtype": "Link",
+   "options": "User",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "75px"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "description": "Your sales person will get a reminder on this date to contact the customer", 
-   "fieldname": "contact_date", 
-   "fieldtype": "Datetime", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Next Contact Date", 
-   "no_copy": 0, 
-   "oldfieldname": "contact_date", 
-   "oldfieldtype": "Date", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "description": "Your sales person will get a reminder on this date to contact the customer",
+   "fieldname": "contact_date",
+   "fieldtype": "Datetime",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Next Contact Date",
+   "no_copy": 0,
+   "oldfieldname": "contact_date",
+   "oldfieldtype": "Date",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "column_break2", 
-   "fieldtype": "Column Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "no_copy": 0, 
-   "oldfieldtype": "Column Break", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "column_break2",
+   "fieldtype": "Column Break",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "no_copy": 0,
+   "oldfieldtype": "Column Break",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "50%"
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "to_discuss", 
-   "fieldtype": "Small Text", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "To Discuss", 
-   "no_copy": 1, 
-   "oldfieldname": "to_discuss", 
-   "oldfieldtype": "Small Text", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "to_discuss",
+   "fieldtype": "Small Text",
+   "hidden": 0,
+   "ignore_user_permissions": 0,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "To Discuss",
+   "no_copy": 1,
+   "oldfieldname": "to_discuss",
+   "oldfieldtype": "Small Text",
+   "permlevel": 0,
+   "print_hide": 0,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
    "unique": 0
-  }, 
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "amended_from", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 1, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Amended From", 
-   "no_copy": 1, 
-   "oldfieldname": "amended_from", 
-   "oldfieldtype": "Data", 
-   "options": "Opportunity", 
-   "permlevel": 0, 
-   "print_hide": 1, 
-   "read_only": 1, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "fieldname": "amended_from",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "ignore_user_permissions": 1,
+   "in_filter": 0,
+   "in_list_view": 0,
+   "label": "Amended From",
+   "no_copy": 1,
+   "oldfieldname": "amended_from",
+   "oldfieldtype": "Data",
+   "options": "Opportunity",
+   "permlevel": 0,
+   "print_hide": 1,
+   "read_only": 1,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "set_only_once": 0,
+   "unique": 0,
    "width": "150px"
   }
- ], 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "icon": "icon-info-sign", 
- "idx": 1, 
- "in_create": 0, 
- "in_dialog": 0, 
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 0, 
- "modified": "2015-08-26 06:56:09.914606", 
- "modified_by": "Administrator", 
- "module": "CRM", 
- "name": "Opportunity", 
- "owner": "Administrator", 
+ ],
+ "hide_heading": 0,
+ "hide_toolbar": 0,
+ "icon": "icon-info-sign",
+ "idx": 1,
+ "in_create": 0,
+ "in_dialog": 0,
+ "is_submittable": 0,
+ "issingle": 0,
+ "istable": 0,
+ "modified": "2015-08-26 06:56:09.914607",
+ "modified_by": "Administrator",
+ "module": "CRM",
+ "name": "Opportunity",
+ "owner": "Administrator",
  "permissions": [
   {
-   "amend": 0, 
-   "apply_user_permissions": 1, 
-   "cancel": 0, 
-   "create": 1, 
-   "delete": 1, 
-   "email": 1, 
-   "export": 0, 
-   "if_owner": 0, 
-   "import": 0, 
-   "permlevel": 0, 
-   "print": 1, 
-   "read": 1, 
-   "report": 1, 
-   "role": "Sales User", 
-   "set_user_permissions": 0, 
-   "share": 1, 
-   "submit": 0, 
+   "amend": 0,
+   "apply_user_permissions": 1,
+   "cancel": 0,
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 0,
+   "if_owner": 0,
+   "import": 0,
+   "permlevel": 0,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "Sales User",
+   "set_user_permissions": 0,
+   "share": 1,
+   "submit": 0,
    "write": 1
-  }, 
+  },
   {
-   "amend": 0, 
-   "apply_user_permissions": 0, 
-   "cancel": 0, 
-   "create": 1, 
-   "delete": 1, 
-   "email": 1, 
-   "export": 0, 
-   "if_owner": 0, 
-   "import": 0, 
-   "permlevel": 0, 
-   "print": 1, 
-   "read": 1, 
-   "report": 1, 
-   "role": "Sales Manager", 
-   "set_user_permissions": 0, 
-   "share": 1, 
-   "submit": 0, 
+   "amend": 0,
+   "apply_user_permissions": 0,
+   "cancel": 0,
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "export": 0,
+   "if_owner": 0,
+   "import": 0,
+   "permlevel": 0,
+   "print": 1,
+   "read": 1,
+   "report": 1,
+   "role": "Sales Manager",
+   "set_user_permissions": 0,
+   "share": 1,
+   "submit": 0,
    "write": 1
   }
- ], 
- "read_only": 0, 
- "read_only_onload": 0, 
- "search_fields": "status,transaction_date,customer,lead,enquiry_type,territory,company", 
- "sort_field": "modified", 
- "sort_order": "DESC", 
+ ],
+ "read_only": 0,
+ "read_only_onload": 0,
+ "search_fields": "status,transaction_date,customer,lead,enquiry_type,territory,company",
+ "sort_field": "modified",
+ "sort_order": "DESC",
  "title_field": "title"
-}
\ No newline at end of file
+}
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index f7f9197398..ed1e74a47f 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -27,7 +27,7 @@ blogs.
 """
 app_icon = "icon-th"
 app_color = "#e74c3c"
-app_version = "6.0.0"
+app_version = "6.0.1"
 github_link = "https://github.com/frappe/erpnext"
 
 error_report_email = "support@erpnext.com"
diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index 7aa5a03897..06a115fa8d 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -231,7 +231,7 @@ $.extend(erpnext.item, {
 			args = d.get_values();
 			if(!args) return;
 			frappe.call({
-				method:"erpnext.stock.doctype.item.item.get_variant",
+				method:"erpnext.controllers.item_variant.get_variant",
 				args: {
 					"item": cur_frm.doc.name,
 					"args": d.get_values()
@@ -253,7 +253,7 @@ $.extend(erpnext.item, {
 					} else {
 						d.hide();
 						frappe.call({
-							method:"erpnext.stock.doctype.item.item.create_variant",
+							method:"erpnext.controllers.item_variant.create_variant",
 							args: {
 								"item": cur_frm.doc.name,
 								"args": d.get_values()
diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index d445582f72..d8d21ff09f 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -3,18 +3,15 @@
 
 from __future__ import unicode_literals
 import frappe
-import json
 from frappe import msgprint, _
 from frappe.utils import cstr, flt, cint, getdate, now_datetime, formatdate
 from frappe.website.website_generator import WebsiteGenerator
 from erpnext.setup.doctype.item_group.item_group import invalidate_cache_for, get_parent_item_groups
 from frappe.website.render import clear_cache
 from frappe.website.doctype.website_slideshow.website_slideshow import get_slideshow
+from erpnext.controllers.item_variant import get_variant, copy_attributes_to_variant, ItemVariantExistsError
 
 class WarehouseNotSet(frappe.ValidationError): pass
-class ItemTemplateCannotHaveStock(frappe.ValidationError): pass
-class ItemVariantExistsError(frappe.ValidationError): pass
-class InvalidItemAttributeValueError(frappe.ValidationError): pass
 
 class Item(WebsiteGenerator):
 	website = frappe._dict(
@@ -63,8 +60,8 @@ class Item(WebsiteGenerator):
 		self.validate_warehouse_for_reorder()
 		self.update_item_desc()
 		self.synced_with_hub = 0
+
 		self.validate_has_variants()
-		# self.validate_stock_for_template_must_be_zero()
 		self.validate_attributes()
 		self.validate_variant_attributes()
 
@@ -314,14 +311,6 @@ class Item(WebsiteGenerator):
 			if frappe.db.exists("Item", {"variant_of": self.name}):
 				frappe.throw(_("Item has variants."))
 
-	def validate_stock_for_template_must_be_zero(self):
-		if self.has_variants:
-			stock_in = frappe.db.sql_list("""select warehouse from tabBin
-				where item_code=%s and (ifnull(actual_qty, 0) > 0 or ifnull(ordered_qty, 0) > 0
-				or ifnull(reserved_qty, 0) > 0 or ifnull(indented_qty, 0) > 0 or ifnull(planned_qty, 0) > 0)""", self.name)
-			if stock_in:
-				frappe.throw(_("Item Template cannot have stock or Open Sales/Purchase/Production Orders."), ItemTemplateCannotHaveStock)
-
 	def validate_uom(self):
 		if not self.get("__islocal"):
 			check_stock_uom_with_bin(self.name, self.stock_uom)
@@ -490,158 +479,3 @@ def check_stock_uom_with_bin(item, stock_uom):
 			you have already made some transaction(s) with another UOM. To change default UOM, \
 			use 'UOM Replace Utility' tool under Stock module.").format(item))
 
-@frappe.whitelist()
-def get_variant(item, args):
-	"""Validates Attributes and their Values, then looks for an exactly matching Item Variant
-
-		:param item: Template Item
-		:param args: A dictionary with "Attribute" as key and "Attribute Value" as value
-	"""
-	if isinstance(args, basestring):
-		args = json.loads(args)
-
-	if not args:
-		frappe.throw(_("Please specify at least one attribute in the Attributes table"))
-
-	validate_item_variant_attributes(item, args)
-
-	return find_variant(item, args)
-
-def validate_item_variant_attributes(item, args):
-	attribute_values = {}
-	for t in frappe.get_all("Item Attribute Value", fields=["parent", "attribute_value"],
-		filters={"parent": ["in", args.keys()]}):
-		(attribute_values.setdefault(t.parent, [])).append(t.attribute_value)
-
-	numeric_attributes = frappe._dict((t.attribute, t) for t in \
-		frappe.db.sql("""select attribute, from_range, to_range, increment from `tabItem Variant Attribute` 
-		where parent = %s and numeric_values=1""", (item), as_dict=1))
-		
-	for attribute, value in args.items():
-
-		if attribute in numeric_attributes:
-			numeric_attribute = numeric_attributes[attribute]
-
-			from_range = numeric_attribute.from_range
-			to_range = numeric_attribute.to_range
-			increment = numeric_attribute.increment
-
-			if increment == 0:
-				# defensive validation to prevent ZeroDivisionError
-				frappe.throw(_("Increment for Attribute {0} cannot be 0").format(attribute))
-			
-			is_in_range = from_range <= flt(value) <= to_range
-			precision = len(cstr(increment).split(".")[-1].rstrip("0"))
-			#avoid precision error by rounding the remainder
-			remainder = flt((flt(value) - from_range) % increment, precision)
-
-			is_incremental = remainder==0 or remainder==0 or remainder==increment
-
-			if not (is_in_range and is_incremental):
-				frappe.throw(_("Value for Attribute {0} must be within the range of {1} to {2} in the increments of {3}")\
-					.format(attribute, from_range, to_range, increment), InvalidItemAttributeValueError)
-
-		elif value not in attribute_values[attribute]:
-			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):
-	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()]
-
-	conditions = " or ".join(conditions)
-
-	# use approximate match and shortlist possible variant matches
-	# it is approximate because we are matching using OR condition
-	# and it need not be exact match at this stage
-	# this uses a simpler query instead of using multiple exists conditions
-	possible_variants = frappe.db.sql_list("""select name from `tabItem` item
-		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)
-
-	for variant in possible_variants:
-		variant = frappe.get_doc("Item", variant)
-
-		if len(args.keys()) == len(variant.get("attributes")):
-			# has the same number of attributes and values
-			# assuming no duplication as per the validation in Item
-			match_count = 0
-
-			for attribute, value in args.items():
-				for row in variant.attributes:
-					if row.attribute==attribute and row.attribute_value== cstr(value):
-						# this row matches
-						match_count += 1
-						break
-
-			if match_count == len(args.keys()):
-				return variant.name
-
-@frappe.whitelist()
-def create_variant(item, args):
-	if isinstance(args, basestring):
-		args = json.loads(args)
-
-	variant = frappe.new_doc("Item")
-	variant_attributes = []
-	for d in args:
-		variant_attributes.append({
-			"attribute": d,
-			"attribute_value": args[d]
-		})
-
-	variant.set("attributes", variant_attributes)
-	template = frappe.get_doc("Item", item)
-	copy_attributes_to_variant(template, variant)
-	make_variant_item_code(template, variant)
-
-	return variant
-
-def copy_attributes_to_variant(item, variant):
-	from frappe.model import no_value_fields
-	for field in item.meta.fields:
-		if field.fieldtype not in no_value_fields and (not field.no_copy)\
-			and field.fieldname not in ("item_code", "item_name"):
-			if variant.get(field.fieldname) != item.get(field.fieldname):
-				variant.set(field.fieldname, item.get(field.fieldname))
-	variant.variant_of = item.name
-	variant.has_variants = 0
-	variant.show_in_website = 0
-	if variant.attributes:
-		variant.description += "\n"
-		for d in variant.attributes:
-			variant.description += "<p>" + d.attribute + ": " + cstr(d.attribute_value) + "</p>"
-
-def make_variant_item_code(template, variant):
-	"""Uses template's item code and abbreviations to make variant's item code"""
-	if variant.item_code:
-		return
-
-	abbreviations = []
-	for attr in variant.attributes:
-		item_attribute = frappe.db.sql("""select i.numeric_values, v.abbr
-			from `tabItem Attribute` i left join `tabItem Attribute Value` v
-				on (i.name=v.parent)
-			where i.name=%(attribute)s and v.attribute_value=%(attribute_value)s""", {
-				"attribute": attr.attribute,
-				"attribute_value": attr.attribute_value
-			}, as_dict=True)
-
-		if not item_attribute:
-			# somehow an invalid item attribute got used
-			return
-
-		if item_attribute[0].numeric_values:
-			# don't generate item code if one of the attributes is numeric
-			return
-
-		abbreviations.append(item_attribute[0].abbr)
-
-	if abbreviations:
-		variant.item_code = "{0}-{1}".format(template.item_code, "-".join(abbreviations))
-
-	if variant.item_code:
-		variant.item_name = variant.item_code
diff --git a/erpnext/stock/doctype/item/test_item.py b/erpnext/stock/doctype/item/test_item.py
index 916101516f..bd6fe285a1 100644
--- a/erpnext/stock/doctype/item/test_item.py
+++ b/erpnext/stock/doctype/item/test_item.py
@@ -6,8 +6,8 @@ import unittest
 import frappe
 
 from frappe.test_runner import make_test_records
-from erpnext.stock.doctype.item.item import (WarehouseNotSet, create_variant,
-	ItemVariantExistsError, InvalidItemAttributeValueError)
+from erpnext.stock.doctype.item.item import WarehouseNotSet
+from erpnext.controllers.item_variant import create_variant, ItemVariantExistsError, InvalidItemAttributeValueError
 
 test_ignore = ["BOM"]
 test_dependencies = ["Warehouse"]
@@ -132,7 +132,7 @@ class TestItem(unittest.TestCase):
 					"attribute": "Test Size"
 				},
 				{
-					"attribute": "Test Item Length", 
+					"attribute": "Test Item Length",
 					"numeric_values": 1,
 					"from_range": 0.0,
 					"to_range": 100.0,
diff --git a/erpnext/stock/doctype/item_attribute/item_attribute.py b/erpnext/stock/doctype/item_attribute/item_attribute.py
index 8310288e47..f2d53451d0 100644
--- a/erpnext/stock/doctype/item_attribute/item_attribute.py
+++ b/erpnext/stock/doctype/item_attribute/item_attribute.py
@@ -41,6 +41,10 @@ class ItemAttribute(Document):
 			abbrs.append(d.abbr)
 
 	def validate_attribute_values(self):
+		# don't validate numeric values
+		if self.numeric_values:
+			return
+
 		attribute_values = []
 		for d in self.item_attribute_values:
 			attribute_values.append(d.attribute_value)
diff --git a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
index 797b2a0a89..33fc6586a2 100644
--- a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
+++ b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
@@ -8,7 +8,7 @@ from frappe import _
 from frappe.utils import flt, getdate, add_days, formatdate
 from frappe.model.document import Document
 from datetime import date
-from erpnext.stock.doctype.item.item import ItemTemplateCannotHaveStock
+from erpnext.controllers.item_variant import ItemTemplateCannotHaveStock
 
 class StockFreezeError(frappe.ValidationError): pass
 
diff --git a/setup.py b/setup.py
index bfa2fa7ab7..b3a16ce85a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = "6.0.0"
+version = "6.0.1"
 
 with open("requirements.txt", "r") as f:
 	install_requires = f.readlines()