Python 3 compatibility syntax error fixes (#10519)

* Use Python 3 style print function

* Use 'Exception as e' instead of 'Exception, e'

* Unpack tuple arguments explicitly in instead of relying on auto unpacking

* Use consistent indentation

* Use 0 if stock_frozen_upto_days is None

erpnext/patches/v4_2/fix_gl_entries_for_stock_transactions.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-from __future__ import unicode_literals
+from __future__ import print_function, unicode_literals
 import frappe
 from frappe.utils import flt
 
@@ -37,7 +37,7 @@ def execute():
 
 			if stock_bal and account_bal and abs(flt(stock_bal[0][0]) - flt(account_bal[0][0])) > 0.1:
 				try:
-					print voucher_type, voucher_no, stock_bal[0][0], account_bal[0][0]
+					print(voucher_type, voucher_no, stock_bal[0][0], account_bal[0][0])
 
 					frappe.db.sql("""delete from `tabGL Entry`
 						where voucher_type=%s and voucher_no=%s""", (voucher_type, voucher_no))
@@ -45,10 +45,10 @@ def execute():
 					voucher = frappe.get_doc(voucher_type, voucher_no)
 					voucher.make_gl_entries(repost_future_gle=False)
 					frappe.db.commit()
-				except Exception, e:
-					print frappe.get_traceback()
+				except Exception as e:
+					print(frappe.get_traceback())
 					rejected.append([voucher_type, voucher_no])
 					frappe.db.rollback()
 
-		print "Failed to repost: "
-		print rejected
+		print("Failed to repost: ")
+		print(rejected)

erpnext/patches/v4_2/party_model.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-from __future__ import unicode_literals
+from __future__ import print_function, unicode_literals
 import frappe
 
 def execute():
@@ -109,7 +109,7 @@ def delete_individual_party_account():
 		and exists(select gle.name from `tabGL Entry` gle where gle.account = tabAccount.name)""")
 		
 	if accounts_not_deleted:
-		print "Accounts not deleted: " + "\n".join(accounts_not_deleted)
+		print("Accounts not deleted: " + "\n".join(accounts_not_deleted))
 		
 
 def remove_customer_supplier_account_report():

erpnext/patches/v4_2/repost_sle_for_si_with_no_warehouse.py

@@ -1,7 +1,7 @@
 # Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-from __future__ import unicode_literals
+from __future__ import print_function, unicode_literals
 import frappe
 from erpnext.stock.stock_ledger import NegativeStockError
 
@@ -28,7 +28,7 @@ def execute():
 			frappe.local.stockledger_exceptions = None
 			frappe.db.rollback()
 
-	print "Failed to repost: ", failed_list
+	print("Failed to repost: ", failed_list)
 					
 		
 	

erpnext/patches/v4_2/set_company_country.py

@@ -1,13 +1,13 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
-from __future__ import unicode_literals
+from __future__ import print_function, unicode_literals
 import frappe
 
 def execute():
 	country = frappe.db.get_single_value("Global Defaults", "country")
 	if not country:
-		print "Country not specified in Global Defaults"
+		print("Country not specified in Global Defaults")
 		return
 
 	for company in frappe.db.sql_list("""select name from `tabCompany`