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[minor] optimize item attribute validation for #5756

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This commit is contained in:
Rushabh Mehta
2016-07-15 12:40:47 +05:30
parent cd2ee8940b
commit b8bdfbcead
2 changed files with 20 additions and 12 deletions
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26
erpnext/controllers/item_variant.py
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@@ -28,16 +28,14 @@ def get_variant(template, args, variant=None):
return find_variant(template, args, variant)
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()]}):
def validate_item_variant_attributes(item, args=None):
if not args:
args = {d.attribute:d.attribute_value for d in item.attributes}
(attribute_values.setdefault(t.parent.lower(), [])).append(t.attribute_value)
attribute_values = get_attribute_values()
numeric_attributes = frappe._dict((t.attribute.lower(), 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))
numeric_attributes = frappe._dict({d.attribute: d for d
in item.attributes if d.numeric_values==1})
for attribute, value in args.items():
if attribute.lower() in numeric_attributes:
@@ -56,7 +54,7 @@ def validate_item_variant_attributes(item, args):
#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
is_incremental = 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}")\
@@ -66,6 +64,16 @@ def validate_item_variant_attributes(item, args):
frappe.throw(_("Value {0} for Attribute {1} does not exist in the list of valid Item Attribute Values").format(
value, attribute), InvalidItemAttributeValueError)
def get_attribute_values():
if not frappe.flags.attribute_values:
attribute_values = {}
for t in frappe.get_all("Item Attribute Value", fields=["parent", "attribute_value"]):
(attribute_values.setdefault(t.parent.lower(), [])).append(t.attribute_value)
frappe.flags.attribute_values = attribute_values
return frappe.flags.attribute_values
def find_variant(template, args, variant_item_code=None):
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()]