[FIX] base, website: Avoid .cache confusion with Environment

The attribute cache is mainly used from the Environment class. The
ormcache attribute using the same name leads to confusion.

Related task:
task-3818968

closes odoo/odoo#155264

Signed-off-by: Rémy Voet (ryv) <ryv@odoo.com>

addons/website/models/ir_http.py

@@ -90,7 +90,7 @@ class Http(models.AbstractModel):
         website_id = request.website_routing
         logger.debug("_generate_routing_rules for website: %s", website_id)
         rewrites = self._get_rewrites(website_id)
-        self._rewrite_len.cache.add_value(self, website_id, cache_value=len(rewrites))
+        self._rewrite_len.__cache__.add_value(self, website_id, cache_value=len(rewrites))
 
         for url, endpoint in super()._generate_routing_rules(modules, converters):
             if url in rewrites:

odoo/addons/base/models/ir_model.py

@@ -2279,7 +2279,7 @@ class IrModelData(models.Model):
                     for module, name, model, res_id, create_date, write_date in result:
                         # small optimisation: during install a lot of xmlid are created/updated.
                         # Instead of clearing the cache, set the correct value in the cache to avoid a bunch of query
-                        self._xmlid_lookup.cache.add_value(self, f"{module}.{name}", cache_value=(model, res_id))
+                        self._xmlid_lookup.__cache__.add_value(self, f"{module}.{name}", cache_value=(model, res_id))
                         if create_date != write_date:
                             # something was updated, notify other workers
                             # it is possible that create_date and write_date

odoo/tools/cache.py

@@ -59,7 +59,7 @@ class ormcache(object):
         self.method = method
         self.determine_key()
         lookup = decorator(self.lookup, method)
-        lookup.cache = self
+        lookup.__cache__ = self
         return lookup
 
     def add_value(self, *args, cache_value=None, **kwargs):
@@ -173,7 +173,7 @@ def log_ormcache_stats(sig=None, frame=None):
 def get_cache_key_counter(bound_method, *args, **kwargs):
     """ Return the cache, key and stat counter for the given call. """
     model = bound_method.__self__
-    ormcache = bound_method.cache
+    ormcache = bound_method.__cache__
     cache, key0, counter = ormcache.lru(model)
     key = key0 + ormcache.key(model, *args, **kwargs)
     return cache, key, counter