refactor: pick list from material request

erpnext/controllers/status_updater.py

@@ -393,12 +393,16 @@ class StatusUpdater(Document):
 			self.item_allowance,
 			self.global_qty_allowance,
 			self.global_amount_allowance,
-		) = get_allowance_for(
-			item["item_code"],
-			self.item_allowance,
-			self.global_qty_allowance,
-			self.global_amount_allowance,
-			qty_or_amount,
+		) = (
+			get_allowance_for(
+				item["item_code"],
+				self.item_allowance,
+				self.global_qty_allowance,
+				self.global_amount_allowance,
+				qty_or_amount,
+			)
+			if args["source_dt"] != "Pick List Item"
+			else (0, {}, None, None)
 		)
 
 		role_allowed_to_over_deliver_receive = frappe.get_single_value(
@@ -436,14 +440,17 @@ class StatusUpdater(Document):
 		):
 			return
 
-		if qty_or_amount == "qty":
-			action_msg = _(
-				'To allow over receipt / delivery, update "Over Receipt/Delivery Allowance" in Stock Settings or the Item.'
-			)
+		if args["source_dt"] != "Pick List Item":
+			if qty_or_amount == "qty":
+				action_msg = _(
+					'To allow over receipt / delivery, update "Over Receipt/Delivery Allowance" in Stock Settings or the Item.'
+				)
+			else:
+				action_msg = _(
+					'To allow over billing, update "Over Billing Allowance" in Accounts Settings or the Item.'
+				)
 		else:
-			action_msg = _(
-				'To allow over billing, update "Over Billing Allowance" in Accounts Settings or the Item.'
-			)
+			action_msg = None
 
 		frappe.throw(
 			_(
@@ -455,8 +462,7 @@ class StatusUpdater(Document):
 				frappe.bold(_(self.doctype)),
 				frappe.bold(item.get("item_code")),
 			)
-			+ "<br><br>"
-			+ action_msg,
+			+ ("<br><br>" + action_msg if action_msg else ""),
 			OverAllowanceError,
 			title=_("Limit Crossed"),
 		)

erpnext/stock/doctype/material_request/material_request.js

@@ -139,11 +139,13 @@ frappe.ui.form.on("Material Request", {
 
 			if (flt(frm.doc.per_ordered, precision) < 100) {
 				let add_create_pick_list_button = () => {
-					frm.add_custom_button(
-						__("Pick List"),
-						() => frm.events.create_pick_list(frm),
-						__("Create")
-					);
+					if (frm.doc.items.some((item) => item.stock_qty - item.picked_qty > 0)) {
+						frm.add_custom_button(
+							__("Pick List"),
+							() => frm.events.create_pick_list(frm),
+							__("Create")
+						);
+					}
 				};
 
 				if (frm.doc.material_request_type === "Material Transfer") {

erpnext/stock/doctype/material_request/material_request.py

@@ -911,11 +911,7 @@ def raise_work_orders(material_request, company):
 @frappe.whitelist()
 def create_pick_list(source_name, target_doc=None):
 	def update_item(obj, target, source_parent):
-		qty = (
-			flt(flt(obj.stock_qty) - flt(obj.ordered_qty)) / target.conversion_factor
-			if flt(obj.stock_qty) > flt(obj.ordered_qty)
-			else 0
-		)
+		qty = flt((obj.stock_qty - obj.picked_qty) / target.conversion_factor, obj.precision("qty"))
 		target.qty = qty
 		target.stock_qty = qty * obj.conversion_factor
 		target.conversion_factor = obj.conversion_factor
@@ -931,11 +927,15 @@ def create_pick_list(source_name, target_doc=None):
 			},
 			"Material Request Item": {
 				"doctype": "Pick List Item",
-				"field_map": {"name": "material_request_item", "stock_qty": "stock_qty"},
+				"field_map": {
+					"name": "material_request_item",
+					"stock_qty": "stock_qty",
+					"from_warehouse": "warehouse",
+				},
 				"postprocess": update_item,
 				"condition": lambda doc: (
-					flt(doc.ordered_qty, doc.precision("ordered_qty"))
-					< flt(doc.stock_qty, doc.precision("ordered_qty"))
+					flt(doc.picked_qty, doc.precision("picked_qty"))
+					< flt(doc.stock_qty, doc.precision("stock_qty"))
 				),
 			},
 		},

erpnext/stock/doctype/material_request_item/material_request_item.json

@@ -29,6 +29,7 @@
   "qty_info_sec_break",
   "min_order_qty",
   "projected_qty",
+  "picked_qty",
   "qty_info_col_break",
   "actual_qty",
   "ordered_qty",
@@ -518,13 +519,22 @@
    "fieldtype": "Float",
    "label": "Projected On Hand",
    "read_only": 1
+  },
+  {
+   "fieldname": "picked_qty",
+   "fieldtype": "Float",
+   "hidden": 1,
+   "label": "Picked Qty",
+   "no_copy": 1,
+   "non_negative": 1,
+   "read_only": 1
   }
  ],
  "idx": 1,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-12-02 14:14:45.972664",
+ "modified": "2025-12-17 13:47:27.317226",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Material Request Item",

erpnext/stock/doctype/material_request_item/material_request_item.py

@@ -41,6 +41,7 @@ class MaterialRequestItem(Document):
 		parent: DF.Data
 		parentfield: DF.Data
 		parenttype: DF.Data
+		picked_qty: DF.Float
 		price_list_rate: DF.Currency
 		production_plan: DF.Link | None
 		project: DF.Link | None

erpnext/stock/doctype/pick_list/pick_list.py

@@ -19,7 +19,6 @@ from erpnext.selling.doctype.sales_order.sales_order import (
 )
 from erpnext.stock.doctype.serial_and_batch_bundle.serial_and_batch_bundle import (
 	get_auto_batch_nos,
-	get_picked_serial_nos,
 )
 from erpnext.stock.get_item_details import get_company_total_stock, get_conversion_factor
 from erpnext.stock.serial_batch_bundle import (
@@ -66,6 +65,21 @@ class PickList(TransactionBase):
 		work_order: DF.Link | None
 	# end: auto-generated types
 
+	def __init__(self, *args, **kwargs):
+		super().__init__(*args, **kwargs)
+		self.status_updater = [
+			{
+				"source_dt": "Pick List Item",
+				"target_dt": "Material Request Item",
+				"target_field": "picked_qty",
+				"target_parent_dt": "Material Request",
+				"target_parent_field": "",
+				"join_field": "material_request_item",
+				"target_ref_field": "stock_qty",
+				"source_field": "stock_qty",
+			}
+		]
+
 	def onload(self) -> None:
 		if frappe.get_cached_value("Stock Settings", None, "enable_stock_reservation"):
 			if self.has_unreserved_stock():
@@ -228,6 +242,7 @@ class PickList(TransactionBase):
 		self.update_bundle_picked_qty()
 		self.update_reference_qty()
 		self.update_sales_order_picking_status()
+		self.update_prevdoc_status()
 
 	def validate_expired_batches(self):
 		batches = []
@@ -305,6 +320,7 @@ class PickList(TransactionBase):
 		self.update_reference_qty()
 		self.update_sales_order_picking_status()
 		self.delink_serial_and_batch_bundle()
+		self.update_prevdoc_status()
 
 	def delink_serial_and_batch_bundle(self):
 		for row in self.locations: