fix: Improve JSON export format readability (#19429)

* Improve JSON export format readability

* fix: Enable ensure_ascii flag on export_json

* style: fmt

[skip ci]

Co-authored-by: Alfredo Altamirano <Ahuahuachi@users.noreply.github.com>
Co-authored-by: Ankush Menat <ankush@frappe.io>

frappe/__init__.py

@@ -1907,7 +1907,7 @@ def get_value(*args, **kwargs):
 	return db.get_value(*args, **kwargs)
 
 
-def as_json(obj: dict | list, indent=1, separators=None) -> str:
+def as_json(obj: dict | list, indent=1, separators=None, ensure_ascii=True) -> str:
 	from frappe.utils.response import json_handler
 
 	if separators is None:
@@ -1915,13 +1915,24 @@ def as_json(obj: dict | list, indent=1, separators=None) -> str:
 
 	try:
 		return json.dumps(
-			obj, indent=indent, sort_keys=True, default=json_handler, separators=separators
+			obj,
+			indent=indent,
+			sort_keys=True,
+			default=json_handler,
+			separators=separators,
+			ensure_ascii=ensure_ascii,
 		)
 	except TypeError:
 		# this would break in case the keys are not all os "str" type - as defined in the JSON
 		# adding this to ensure keys are sorted (expected behaviour)
 		sorted_obj = dict(sorted(obj.items(), key=lambda kv: str(kv[0])))
-		return json.dumps(sorted_obj, indent=indent, default=json_handler, separators=separators)
+		return json.dumps(
+			sorted_obj,
+			indent=indent,
+			default=json_handler,
+			separators=separators,
+			ensure_ascii=ensure_ascii,
+		)
 
 
 def are_emails_muted():

frappe/core/doctype/data_import/data_import.py

@@ -260,7 +260,7 @@ def export_json(doctype, path, filters=None, or_filters=None, name=None, order_b
 		path = os.path.join("..", path)
 
 	with open(path, "w") as outfile:
-		outfile.write(frappe.as_json(out))
+		outfile.write(frappe.as_json(out, ensure_ascii=False))
 
 
 def export_csv(doctype, path):