Merge pull request #31175 from ankush/recursive_non_explosive_bom

fix: allow recursive BOMs as long as they don't recursively explode
This commit is contained in:
rohitwaghchaure 2022-05-30 13:27:16 +05:30 committed by GitHub
commit 2cbc665d19
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3 changed files with 40 additions and 47 deletions

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@ -93,6 +93,11 @@ frappe.ui.form.on("BOM", {
});
}
frm.add_custom_button(__("New Version"), function() {
let new_bom = frappe.model.copy_doc(frm.doc);
frappe.set_route("Form", "BOM", new_bom.name);
});
if(frm.doc.docstatus==1) {
frm.add_custom_button(__("Work Order"), function() {
frm.trigger("make_work_order");

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@ -22,6 +22,10 @@ from erpnext.stock.get_item_details import get_conversion_factor, get_price_list
form_grid_templates = {"items": "templates/form_grid/item_grid.html"}
class BOMRecursionError(frappe.ValidationError):
pass
class BOMTree:
"""Full tree representation of a BOM"""
@ -251,9 +255,8 @@ class BOM(WebsiteGenerator):
for item in self.get("items"):
self.validate_bom_currency(item)
if item.do_not_explode:
item.bom_no = ""
if not item.do_not_explode:
item.bom_no = item.bom_no
ret = self.get_bom_material_detail(
{
@ -555,35 +558,27 @@ class BOM(WebsiteGenerator):
"""Check whether recursion occurs in any bom"""
def _throw_error(bom_name):
frappe.throw(_("BOM recursion: {0} cannot be parent or child of {0}").format(bom_name))
frappe.throw(
_("BOM recursion: {1} cannot be parent or child of {0}").format(self.name, bom_name),
exc=BOMRecursionError,
)
bom_list = self.traverse_tree()
child_items = (
frappe.get_all(
child_items = frappe.get_all(
"BOM Item",
fields=["bom_no", "item_code"],
filters={"parent": ("in", bom_list), "parenttype": "BOM"},
)
or []
)
child_bom = {d.bom_no for d in child_items}
child_items_codes = {d.item_code for d in child_items}
if self.name in child_bom:
for item in child_items:
if self.name == item.bom_no:
_throw_error(self.name)
if self.item == item.item_code and item.bom_no:
# Same item but with different BOM should not be allowed.
# Same item can appear recursively once as long as it doesn't have BOM.
_throw_error(item.bom_no)
if self.item in child_items_codes:
_throw_error(self.item)
bom_nos = (
frappe.get_all(
"BOM Item", fields=["parent"], filters={"bom_no": self.name, "parenttype": "BOM"}
)
or []
)
if self.name in {d.parent for d in bom_nos}:
if self.name in {d.bom_no for d in self.items}:
_throw_error(self.name)
def traverse_tree(self, bom_list=None):

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@ -10,7 +10,7 @@ from frappe.tests.utils import FrappeTestCase
from frappe.utils import cstr, flt
from erpnext.buying.doctype.purchase_order.test_purchase_order import create_purchase_order
from erpnext.manufacturing.doctype.bom.bom import item_query, make_variant_bom
from erpnext.manufacturing.doctype.bom.bom import BOMRecursionError, item_query, make_variant_bom
from erpnext.manufacturing.doctype.bom_update_tool.bom_update_tool import update_cost
from erpnext.stock.doctype.item.test_item import make_item
from erpnext.stock.doctype.stock_reconciliation.test_stock_reconciliation import (
@ -324,43 +324,36 @@ class TestBOM(FrappeTestCase):
def test_bom_recursion_1st_level(self):
"""BOM should not allow BOM item again in child"""
item_code = "_Test BOM Recursion"
make_item(item_code, {"is_stock_item": 1})
item_code = make_item(properties={"is_stock_item": 1}).name
bom = frappe.new_doc("BOM")
bom.item = item_code
bom.append("items", frappe._dict(item_code=item_code))
with self.assertRaises(frappe.ValidationError) as err:
bom.save()
with self.assertRaises(BOMRecursionError):
bom.items[0].bom_no = bom.name
bom.save()
self.assertTrue("recursion" in str(err.exception).lower())
frappe.delete_doc("BOM", bom.name, ignore_missing=True)
def test_bom_recursion_transitive(self):
item1 = "_Test BOM Recursion"
item2 = "_Test BOM Recursion 2"
make_item(item1, {"is_stock_item": 1})
make_item(item2, {"is_stock_item": 1})
item1 = make_item(properties={"is_stock_item": 1}).name
item2 = make_item(properties={"is_stock_item": 1}).name
bom1 = frappe.new_doc("BOM")
bom1.item = item1
bom1.append("items", frappe._dict(item_code=item2))
bom1.save()
bom1.submit()
bom2 = frappe.new_doc("BOM")
bom2.item = item2
bom2.append("items", frappe._dict(item_code=item1))
with self.assertRaises(frappe.ValidationError) as err:
bom2.save()
bom2.submit()
self.assertTrue("recursion" in str(err.exception).lower())
bom2.items[0].bom_no = bom1.name
bom1.items[0].bom_no = bom2.name
bom1.cancel()
frappe.delete_doc("BOM", bom1.name, ignore_missing=True, force=True)
frappe.delete_doc("BOM", bom2.name, ignore_missing=True, force=True)
with self.assertRaises(BOMRecursionError):
bom1.save()
bom2.save()
def test_bom_with_process_loss_item(self):
fg_item_non_whole, fg_item_whole, bom_item = create_process_loss_bom_items()