[fix] allow context in frappe.respond_as_web_page

frappe/__init__.py

@@ -884,7 +884,7 @@ def compare(val1, condition, val2):
 	import frappe.utils
 	return frappe.utils.compare(val1, condition, val2)
 
-def respond_as_web_page(title, html, success=None, http_status_code=None):
+def respond_as_web_page(title, html, success=None, http_status_code=None, context=None):
 	"""Send response as a web page with a message rather than JSON. Used to show permission errors etc.
 
 	:param title: Page title and heading.
@@ -899,6 +899,9 @@ def respond_as_web_page(title, html, success=None, http_status_code=None):
 	if http_status_code:
 		local.response['http_status_code'] = http_status_code
 
+	if context:
+		local.response['context'] = context
+
 def build_match_conditions(doctype, as_condition=True):
 	"""Return match (User permissions) for given doctype as list or SQL."""
 	import frappe.desk.reportview

frappe/website/context.py

@@ -16,6 +16,10 @@ def get_context(path, args=None):
 	context = build_context(context)
 	context["path"] = path
 
+	# set using frappe.respond_as_web_page
+	if hasattr(frappe.local, 'response') and frappe.local.response.get('context'):
+		context.update(frappe.local.response.context)
+
 	return context
 
 def build_context(context):