refactor(utilities): type annotations for whitelisted methods

erpnext/utilities/bulk_transaction.py

@@ -7,7 +7,9 @@ from frappe.utils import get_link_to_form, today
 
 
 @frappe.whitelist()
-def transaction_processing(data, from_doctype, to_doctype, args=None):
+def transaction_processing(
+	data: str | list, from_doctype: str, to_doctype: str, args: str | frappe._dict | None = None
+):
 	frappe.has_permission(from_doctype, "read", throw=True)
 	frappe.has_permission(to_doctype, "create", throw=True)
 

erpnext/utilities/doctype/rename_tool/rename_tool.py

@@ -36,7 +36,7 @@ def get_doctypes():
 
 
 @frappe.whitelist()
-def upload(select_doctype=None, rows=None):
+def upload(select_doctype: str | None = None):
 	from frappe.utils.csvutils import read_csv_content_from_attached_file
 
 	if not select_doctype:

erpnext/utilities/doctype/video/video.py

@@ -105,7 +105,7 @@ def get_formatted_ids(video_list):
 
 
 @frappe.whitelist()
-def get_id_from_url(url):
+def get_id_from_url(url: str):
 	"""
 	Returns video id from url
 	:param youtube url: String URL

erpnext/utilities/transaction_base.py

@@ -292,7 +292,7 @@ class TransactionBase(StatusUpdater):
 		)
 
 	@frappe.whitelist()
-	def process_item_selection(self, item_idx):
+	def process_item_selection(self, item_idx: int):
 		# Server side 'item' doc. Update this to reflect in UI
 		item_obj = self.get("items", {"idx": item_idx})[0]