OverAllowanceError (status_updater.py)

Custom exception class for validation errors when allowances are exceeded in POS retail status management.

import frappe
from frappe.utils import comma_or, nowdate, getdate
from frappe import _
from frappe.model.document import Document

class OverAllowanceError(frappe.ValidationError): pass

def validate_status(status, options):
	if status not in options:
		frappe.throw(_("Status must be one of {0}").format(comma_or(options)))

status_map = {
	"POS Opening Shift": [
		["Draft", None],
		["Open", "eval:self.docstatus == 1 and not self.pos_closing_shift"],
		["Closed", "eval:self.docstatus == 1 and self.pos_closing_shift"],
		["Cancelled", "eval:self.docstatus == 2"],
	]
}

class StatusUpdater(Document):

	def set_status(self, update=False, status=None, update_modified=True):
		if self.is_new():
			if self.get('amended_from'):
				self.status = 'Draft'
			return

		if self.doctype in status_map:

... (truncated -- full source via MCP)