Merge pull request #15418 from Don-Leopardo/fix_html_custom_print_fotmat

fix: Module path for external print formats

frappe/www/printview.py

@@ -2,9 +2,8 @@
 # License: MIT. See LICENSE
 
 import frappe, os, copy, json, re
-from frappe import _
+from frappe import _, get_module_path
 
-from frappe.modules import get_doc_path
 from frappe.core.doctype.access_log.access_log import make_access_log
 from frappe.utils import cint, sanitize_html, strip_html
 from frappe.utils.jinja_globals import is_rtl
@@ -251,8 +250,9 @@ def get_print_format(doctype, print_format):
 			frappe.DoesNotExistError)
 
 	# server, find template
-	path = os.path.join(get_doc_path(frappe.db.get_value("DocType", doctype, "module"),
-		"Print Format", print_format.name), frappe.scrub(print_format.name) + ".html")
+	module = print_format.module or frappe.db.get_value("DocType", doctype, "module")
+	path = os.path.join(get_module_path(module, "Print Format", print_format.name),
+		frappe.scrub(print_format.name) + ".html")
 
 	if os.path.exists(path):
 		with open(path, "r") as pffile: