[fix] Remove party_account_currency from Customer and Supplier, and use currency derived from get_party_account

erpnext/accounts/doctype/gl_entry/gl_entry.py

@@ -3,11 +3,10 @@
 
 from __future__ import unicode_literals
 import frappe
-
-from frappe.utils import flt, fmt_money, getdate, formatdate
 from frappe import _
-
+from frappe.utils import flt, fmt_money, getdate, formatdate
 from frappe.model.document import Document
+from erpnext.accounts.party import get_party_account_currency
 
 class CustomerFrozen(frappe.ValidationError): pass
 class InvalidCurrency(frappe.ValidationError): pass
@@ -101,7 +100,7 @@ class GLEntry(Document):
 			if not frozen_accounts_modifier in frappe.get_roles():
 				if frappe.db.get_value(self.party_type, self.party, "is_frozen"):
 					frappe.throw("{0} {1} is frozen".format(self.party_type, self.party), CustomerFrozen)
-					
+
 	def validate_currency(self):
 		company_currency = frappe.db.get_value("Company", self.company, "default_currency")
 		account_currency = frappe.db.get_value("Account", self.account, "account_currency") or company_currency
@@ -111,15 +110,14 @@ class GLEntry(Document):
 		if account_currency != self.account_currency:
 			frappe.throw(_("Accounting Entry for {0} can only be made in currency: {1}")
 				.format(self.account, (account_currency or company_currency)), InvalidAccountCurrency)
-				
-		
+
+
 		if self.party_type and self.party:
-			party_account_currency = frappe.db.get_value(self.party_type, self.party, "party_account_currency") \
-				or company_currency
+			party_account_currency = get_party_account_currency(self.party_type, self.party, self.company)
 
 			if party_account_currency != self.account_currency:
 				frappe.throw(_("Accounting Entry for {0}: {1} can only be made in currency: {2}")
-					.format(self.party_type, self.party, party_account_currency), InvalidAccountCurrency)					
+					.format(self.party_type, self.party, party_account_currency), InvalidAccountCurrency)
 
 def validate_balance_type(account, adv_adj=False):
 	if not adv_adj and account:
@@ -159,7 +157,7 @@ def update_outstanding_amt(account, party_type, party, against_voucher_type, aga
 		where against_voucher_type=%s and against_voucher=%s
 		and account = %s {0}""".format(party_condition),
 		(against_voucher_type, against_voucher, account))[0][0] or 0.0)
-		
+
 	if against_voucher_type == 'Purchase Invoice':
 		bal = -bal
 	elif against_voucher_type == "Journal Entry":

erpnext/accounts/doctype/journal_entry/journal_entry.py

@@ -7,6 +7,7 @@ from frappe.utils import cstr, flt, fmt_money, formatdate
 from frappe import msgprint, _, scrub
 from erpnext.controllers.accounts_controller import AccountsController
 from erpnext.accounts.utils import get_balance_on
+from erpnext.accounts.party import get_party_account_currency
 from erpnext.setup.utils import get_company_currency
 
 
@@ -212,7 +213,7 @@ class JournalEntry(AccountsController):
 				if cstr(order.status) == "Stopped":
 					frappe.throw(_("{0} {1} is stopped").format(reference_type, reference_name))
 
-				party_account_currency = frappe.db.get_value(party_type, party, "party_account_currency")
+				party_account_currency = get_party_account_currency(party_type, party, self.company)
 				if party_account_currency == self.company_currency:
 					voucher_total = order.base_grand_total
 				else:
@@ -609,7 +610,7 @@ def get_payment_entry_from_sales_order(sales_order):
 	jv = get_payment_entry(so)
 	jv.remark = 'Advance payment received against Sales Order {0}.'.format(so.name)
 
-	party_account = get_party_account(so.company, so.customer, "Customer")
+	party_account = get_party_account("Customer", so.customer, so.company)
 	party_account_currency = frappe.db.get_value("Account", party_account, "account_currency")
 
 	exchange_rate = get_exchange_rate(party_account, party_account_currency, so.company)
@@ -660,7 +661,7 @@ def get_payment_entry_from_purchase_order(purchase_order):
 	jv = get_payment_entry(po)
 	jv.remark = 'Advance payment made against Purchase Order {0}.'.format(po.name)
 
-	party_account = get_party_account(po.company, po.supplier, "Supplier")
+	party_account = get_party_account("Supplier", po.supplier, po.company)
 	party_account_currency = frappe.db.get_value("Account", party_account, "account_currency")
 
 	exchange_rate = get_exchange_rate(party_account, party_account_currency, po.company)
@@ -779,7 +780,7 @@ def get_party_account_and_balance(company, party_type, party):
 		frappe.msgprint(_("No Permission"), raise_exception=1)
 
 	from erpnext.accounts.party import get_party_account
-	account = get_party_account(company, party, party_type)
+	account = get_party_account(party_type, party, company)
 
 	account_balance = get_balance_on(account=account)
 	party_balance = get_balance_on(party_type=party_type, party=party)

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -66,7 +66,7 @@ class PurchaseInvoice(BuyingController):
 
 	def set_missing_values(self, for_validate=False):
 		if not self.credit_to:
-			self.credit_to = get_party_account(self.company, self.supplier, "Supplier")
+			self.credit_to = get_party_account("Supplier", self.supplier, self.company)
 		if not self.due_date:
 			self.due_date = get_due_date(self.posting_date, "Supplier", self.supplier, self.company)
 
@@ -91,7 +91,7 @@ class PurchaseInvoice(BuyingController):
 			throw(_("Conversion rate cannot be 0 or 1"))
 
 	def validate_credit_to_acc(self):
-		account = frappe.db.get_value("Account", self.credit_to, 
+		account = frappe.db.get_value("Account", self.credit_to,
 			["account_type", "report_type", "account_currency"], as_dict=True)
 
 		if account.report_type != "Balance Sheet":
@@ -99,7 +99,7 @@ class PurchaseInvoice(BuyingController):
 
 		if self.supplier and account.account_type != "Payable":
 			frappe.throw(_("Credit To account must be a Payable account"))
-			
+
 		self.party_account_currency = account.account_currency
 
 	def check_for_stopped_status(self):
@@ -251,7 +251,7 @@ class PurchaseInvoice(BuyingController):
 		expenses_included_in_valuation = self.get_company_default("expenses_included_in_valuation")
 
 		gl_entries = []
-		
+
 		# parent's gl entry
 		if self.base_grand_total:
 			gl_entries.append(
@@ -273,9 +273,9 @@ class PurchaseInvoice(BuyingController):
 		for tax in self.get("taxes"):
 			if tax.category in ("Total", "Valuation and Total") and flt(tax.base_tax_amount_after_discount_amount):
 				account_currency = frappe.db.get_value("Account", tax.account_head, "account_currency")
-				
+
 				dr_or_cr = "debit" if tax.add_deduct_tax == "Add" else "credit"
-				
+
 				gl_entries.append(
 					self.get_gl_dict({
 						"account": tax.account_head,
@@ -364,7 +364,7 @@ class PurchaseInvoice(BuyingController):
 		# and the amount that is paid
 		if self.write_off_account and flt(self.write_off_amount):
 			write_off_account_currency = frappe.db.get_value("Account", self.write_off_account, "account_currency")
-			
+
 			gl_entries.append(
 				self.get_gl_dict({
 					"account": self.credit_to,

erpnext/accounts/doctype/sales_invoice/sales_invoice.py

@@ -186,7 +186,7 @@ class SalesInvoice(SellingController):
 		pos = self.set_pos_fields(for_validate)
 
 		if not self.debit_to:
-			self.debit_to = get_party_account(self.company, self.customer, "Customer")
+			self.debit_to = get_party_account("Customer", self.customer, self.company)
 		if not self.due_date and self.customer:
 			self.due_date = get_due_date(self.posting_date, "Customer", self.customer, self.company)
 

erpnext/accounts/party.py

@@ -142,7 +142,7 @@ def set_account_and_due_date(party, account, party_type, company, posting_date,
 		}
 
 	if party:
-		account = get_party_account(company, party, party_type)
+		account = get_party_account(party_type, party, company)
 
 	account_fieldname = "debit_to" if party_type=="Customer" else "credit_to"
 
@@ -153,44 +153,6 @@ def set_account_and_due_date(party, account, party_type, company, posting_date,
 	}
 	return out
 
-def validate_accounting_currency(party):
-	party_account_currency_in_db = frappe.db.get_value(party.doctype, party.name, "party_account_currency")
-	if party_account_currency_in_db != party.party_account_currency:
-		existing_gle = frappe.db.get_value("GL Entry", {"party_type": party.doctype,
-			"party": party.name}, ["name", "account_currency"], as_dict=1)
-		if existing_gle:
-			if party_account_currency_in_db:
-				frappe.throw(_("Accounting Currency cannot be changed, as GL Entry exists for this {0}")
-					.format(party.doctype), InvalidCurrency)
-			else:
-				party.party_account_currency = existing_gle.account_currency
-
-
-def validate_party_account(party):
-	company_currency = get_company_currency()
-	if party.party_account_currency:
-		companies_with_different_currency = []
-		for company, currency in company_currency.items():
-			if currency != party.party_account_currency:
-				companies_with_different_currency.append(company)
-
-		for d in party.get("accounts"):
-			if d.company in companies_with_different_currency:
-				companies_with_different_currency.remove(d.company)
-
-			selected_account_currency = frappe.db.get_value("Account", d.account, "account_currency")
-			if selected_account_currency != party.party_account_currency:
-				frappe.throw(_("Account {0} is invalid, account currency must be {1}")
-					.format(d.account, selected_account_currency), InvalidAccountCurrency)
-
-		if companies_with_different_currency:
-			frappe.msgprint(_("Please mention Default {0} Account for the following companies, as accounting currency is different from company's default currency: {1}")
-				.format(
-					"Receivable" if party.doctype=="Customer" else "Payable",
-					"\n" + "\n".join(companies_with_different_currency)
-				)
-			)
-
 def get_company_currency():
 	company_currency = frappe._dict()
 	for d in frappe.get_all("Company", fields=["name", "default_currency"]):
@@ -199,13 +161,13 @@ def get_company_currency():
 	return company_currency
 
 @frappe.whitelist()
-def get_party_account(company, party, party_type):
+def get_party_account(party_type, party, company):
 	"""Returns the account for the given `party`.
 		Will first search in party (Customer / Supplier) record, if not found,
 		will search in group (Customer Group / Supplier Type),
 		finally will return default."""
 	if not company:
-		frappe.throw(_("Please select company first."))
+		frappe.throw(_("Please select a Company"))
 
 	if party:
 		account = frappe.db.get_value("Party Account",
@@ -223,6 +185,13 @@ def get_party_account(company, party, party_type):
 
 		return account
 
+def get_party_account_currency(party_type, party, company):
+	def generator():
+		party_account = get_party_account(party_type, party, company)
+		return frappe.db.get_value("Account", party_account, "account_currency")
+
+	return frappe.local_cache("party_account_currency", (party_type, party, company), generator)
+
 @frappe.whitelist()
 def get_due_date(posting_date, party_type, party, company):
 	"""Set Due Date = Posting Date + Credit Days"""

erpnext/buying/doctype/supplier/supplier.py

@@ -8,7 +8,6 @@ from frappe import msgprint, _
 from frappe.model.naming import make_autoname
 from erpnext.utilities.address_and_contact import load_address_and_contact
 from erpnext.utilities.transaction_base import TransactionBase
-from erpnext.accounts.party import validate_accounting_currency, validate_party_account
 
 class Supplier(TransactionBase):
 	def get_feed(self):
@@ -45,9 +44,6 @@ class Supplier(TransactionBase):
 		if frappe.defaults.get_global_default('supp_master_name') == 'Naming Series':
 			if not self.naming_series:
 				msgprint(_("Series is mandatory"), raise_exception=1)
-				
-		validate_accounting_currency(self)
-		validate_party_account(self)
 
 	def get_contacts(self,nm):
 		if nm:
@@ -96,14 +92,14 @@ def get_dashboard_info(supplier):
 	billing_this_year = frappe.db.sql("""
 		select sum(ifnull(credit_in_account_currency, 0)) - sum(ifnull(debit_in_account_currency, 0))
 		from `tabGL Entry`
-		where voucher_type='Purchase Invoice' and party_type = 'Supplier' 
-			and party=%s and fiscal_year = %s""", 
+		where voucher_type='Purchase Invoice' and party_type = 'Supplier'
+			and party=%s and fiscal_year = %s""",
 		(supplier, frappe.db.get_default("fiscal_year")))
-			
+
 	total_unpaid = frappe.db.sql("""select sum(outstanding_amount)
 		from `tabPurchase Invoice`
 		where supplier=%s and docstatus = 1""", supplier)
-	
+
 
 	out["billing_this_year"] = billing_this_year[0][0] if billing_this_year else 0
 	out["total_unpaid"] = total_unpaid[0][0] if total_unpaid else 0

erpnext/buying/doctype/supplier/test_records.json

@@ -1,22 +1,21 @@
 [
  {
-  "doctype": "Supplier", 
-  "supplier_name": "_Test Supplier", 
+  "doctype": "Supplier",
+  "supplier_name": "_Test Supplier",
   "supplier_type": "_Test Supplier Type"
  },
  {
-  "doctype": "Supplier", 
-  "supplier_name": "_Test Supplier 1", 
+  "doctype": "Supplier",
+  "supplier_name": "_Test Supplier 1",
   "supplier_type": "_Test Supplier Type"
  },
  {
-  "doctype": "Supplier", 
-  "supplier_name": "_Test Supplier USD", 
+  "doctype": "Supplier",
+  "supplier_name": "_Test Supplier USD",
   "supplier_type": "_Test Supplier Type",
-  "party_account_currency": "USD",
   "accounts": [{
     "company": "_Test Company",
     "account": "_Test Payable USD - _TC"
   }]
  }
-]
+]

erpnext/controllers/accounts_controller.py

@@ -10,6 +10,7 @@ from erpnext.accounts.utils import get_fiscal_year, validate_fiscal_year
 from erpnext.utilities.transaction_base import TransactionBase
 from erpnext.controllers.recurring_document import convert_to_recurring, validate_recurring_document
 from erpnext.controllers.sales_and_purchase_return import validate_return
+from erpnext.accounts.party import get_party_account_currency
 
 force_item_fields = ("item_group", "barcode", "brand", "stock_uom")
 
@@ -427,8 +428,7 @@ class AccountsController(TransactionBase):
 		if self.get("currency"):
 			party_type, party = self.get_party()
 			if party_type and party:
-				party_account_currency = frappe.db.get_value(party_type, party, "party_account_currency") \
-					or self.company_currency
+				party_account_currency = get_party_account_currency(party_type, party, self.company)
 
 				if party_account_currency != self.company_currency and self.currency != party_account_currency:
 					frappe.throw(_("Accounting Entry for {0}: {1} can only be made in currency: {2}")

erpnext/crm/doctype/opportunity/opportunity.py

@@ -7,8 +7,8 @@ from frappe.utils import cstr, cint
 from frappe import msgprint, _
 from frappe.model.mapper import get_mapped_doc
 from erpnext.setup.utils import get_exchange_rate
-
 from erpnext.utilities.transaction_base import TransactionBase
+from erpnext.accounts.party import get_party_account_currency
 
 subject_field = "title"
 sender_field = "contact_email"
@@ -180,9 +180,10 @@ def get_item_details(item_code):
 def make_quotation(source_name, target_doc=None):
 	def set_missing_values(source, target):
 		quotation = frappe.get_doc(target)
-		
+
 		company_currency = frappe.db.get_value("Company", quotation.company, "default_currency")
-		party_account_currency = frappe.db.get_value("Customer", quotation.customer, "party_account_currency")
+		party_account_currency = get_party_account_currency("Customer", quotation.customer, quotation.company)
+
 		if company_currency == party_account_currency:
 			exchange_rate = 1
 		else:
@@ -190,7 +191,7 @@ def make_quotation(source_name, target_doc=None):
 
 		quotation.currency = party_account_currency or company_currency
 		quotation.conversion_rate = exchange_rate
-		
+
 		quotation.run_method("set_missing_values")
 		quotation.run_method("calculate_taxes_and_totals")
 

erpnext/patches/v6_0/multi_currency.py

@@ -63,56 +63,3 @@ def execute():
 			where
 				company=%s
 		""", (company.default_currency, company.name))
-
-	# Set party account if default currency of party other than company's default currency
-	for dt in ("Customer", "Supplier"):
-		parties = frappe.get_all(dt, filters={"docstatus": 0})
-		for p in parties:
-			party = frappe.get_doc(dt, p.name)
-			party_accounts = []
-
-			for company in company_list:
-				# Get party GL Entries
-				party_gle = frappe.db.get_value("GL Entry", {"party_type": dt, "party": p.name,
-					"company": company.name}, ["account", "account_currency", "name"], as_dict=True)
-
-				# set party account currency
-				if party_gle:
-					party.party_account_currency = party_gle.account_currency
-				elif not party.party_account_currency:
-					party.party_account_currency = company.default_currency
-
-				# Add default receivable /payable account if not exists
-				# and currency is other than company currency
-				if party.party_account_currency and party.party_account_currency != company.default_currency:
-					party_account_exists_for_company = False
-					for d in party.get("accounts"):
-						if d.company == company.name:
-							account_currency = frappe.db.get_value("Account", d.account, "account_currency")
-							if account_currency == party.party_account_currency:
-								party_accounts.append({
-									"company": d.company,
-									"account": d.account
-								})
-								party_account_exists_for_company = True
-								break
-
-					if not party_account_exists_for_company:
-						party_account = None
-						if party_gle:
-							party_account = party_gle.account
-						else:
-							default_receivable_account_currency = frappe.db.get_value("Account",
-								company.default_receivable_account, "account_currency")
-							if default_receivable_account_currency != company.default_currency:
-								party_account = company.default_receivable_account
-
-						if party_account:
-							party_accounts.append({
-								"company": company.name,
-								"account": party_account
-							})
-
-			party.set("accounts", party_accounts)
-			party.flags.ignore_mandatory = True
-			party.save()

erpnext/selling/doctype/customer/customer.py

@@ -10,7 +10,6 @@ from frappe.utils import flt
 
 from erpnext.utilities.transaction_base import TransactionBase
 from erpnext.utilities.address_and_contact import load_address_and_contact
-from erpnext.accounts.party import validate_accounting_currency, validate_party_account
 from frappe.desk.reportview import build_match_conditions
 
 class Customer(TransactionBase):
@@ -33,8 +32,6 @@ class Customer(TransactionBase):
 
 	def validate(self):
 		self.flags.is_new_doc = self.is_new()
-		validate_accounting_currency(self)
-		validate_party_account(self)
 
 	def update_lead_status(self):
 		if self.lead_name:

erpnext/selling/doctype/customer/test_records.json

@@ -33,7 +33,6 @@
   "customer_type": "Individual",
   "doctype": "Customer",
   "territory": "_Test Territory",
-  "party_account_currency": "USD",
   "accounts": [{
 	  "company": "_Test Company",
 	  "account": "_Test Receivable USD - _TC"