fix(auto-merge): fixed _mako_lookup method.

rhodecode/lib/partial_renderer.py

@@ -17,11 +17,17 @@
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 
+import os
 import logging
+from pathlib import Path
+from pkg_resources import resource_filename
+
 from mako import exceptions
+from pyramid.asset import resolve_asset_spec
 from pyramid.renderers import get_renderer
 
 log = logging.getLogger(__name__)
+TEMPLATES_PATH = ""
 
 
 def get_partial_renderer(request, tmpl_name):
@@ -50,8 +56,16 @@ class PyramidPartialRenderer(object):
         except ValueError:
             # TODO: this is a workaround for exception happening with auto-merge enabled, to be replaced with proper fix
             from mako.lookup import TemplateLookup
-            _tmpl_lookup = TemplateLookup(["rhodecode/templates", "rhodecode/templates/email_templates"])
-            self.tmpl_name = self.tmpl_name.replace("rhodecode:templates/", "")
+
+            global TEMPLATES_PATH
+
+            if not TEMPLATES_PATH:
+                package, filename = resolve_asset_spec(self.tmpl_name)
+                template_path = os.path.dirname(resource_filename(package, filename))
+                TEMPLATES_PATH = Path(template_path).as_posix()
+            log.debug(f"Using {TEMPLATES_PATH} path")
+            _tmpl_lookup = TemplateLookup([TEMPLATES_PATH])
+            self.tmpl_name = Path(self.tmpl_name).name
         return _tmpl_lookup.get_template(self.tmpl_name)
 
     def get_call_context(self):