[16.0][IMP] make odoo start up (much) faster

odoo/addons/base/models/ir_asset.py

@@ -202,7 +202,7 @@ def process_path(directive, target, path_def):
 
         # 2. Process all addons' manifests.
         for addon in self._topological_sort(tuple(addons)):
-            for command in odoo.modules.module._get_manifest_cached(addon)['assets'].get(bundle, ()):
+            for command in odoo.modules.module._get_manifest_cached(addon, None)['assets'].get(bundle, ()):
                 directive, target, path_def = self._process_command(command)
                 process_path(directive, target, path_def)
 
@@ -257,7 +257,7 @@ def _topological_sort(self, addons_tuple):
         IrModule = self.env['ir.module.module']
 
         def mapper(addon):
-            manif = odoo.modules.module._get_manifest_cached(addon)
+            manif = odoo.modules.module._get_manifest_cached(addon, None)
             from_terp = IrModule.get_values_from_terp(manif)
             from_terp['name'] = addon
             from_terp['depends'] = manif.get('depends', ['base'])
@@ -302,7 +302,7 @@ def _get_paths(self, path_def, installed, extensions=None):
         path_url = fs2web(path_def)
         path_parts = [part for part in path_url.split('/') if part]
         addon = path_parts[0]
-        addon_manifest = odoo.modules.module._get_manifest_cached(addon)
+        addon_manifest = odoo.modules.module._get_manifest_cached(addon, None)
 
         safe_path = True
         if addon_manifest:

odoo/http.py

@@ -159,7 +159,7 @@
 
 import odoo
 from .exceptions import UserError, AccessError, AccessDenied
-from .modules.module import get_manifest
+from .modules.module import get_manifest, get_module_path
 from .modules.registry import Registry
 from .service import security, model as service_model
 from .tools import (config, consteq, date_utils, file_path, parse_version,
@@ -2117,6 +2117,41 @@ def _response(self, result=None, error=None):
         return self.request.make_json_response(response)
 
 
+class ModuleStaticPathMap:
+    def __init__(self):
+        self._static_path_map = {}
+
+    def get(self, module):
+        static_path = self._static_path_map.get(module)
+        if static_path:
+            return static_path
+        module_path = get_module_path(module)
+        if not module_path:
+            return None
+        # not passing module_path to get_manifest(), to take advantage of
+        # the cached values (in _get_manifest_cached()), as no code calls
+        # get_manifest() with a module_path.
+        manifest = get_manifest(module)
+        static_path = opj(module_path, "static")
+        if (
+            manifest
+            and (manifest["installable"] or manifest["assets"])
+            and os.path.isdir(static_path)
+        ):
+            self._static_path_map[module] = static_path
+            return static_path
+        return None
+
+    def __getitem__(self, key):
+        static_path = self.get(key)
+        if static_path is not None:
+            return static_path
+        raise KeyError(key)
+
+    def __contains__(self, value):
+        return self.get(value) is not None
+
+
 # =========================================================
 # WSGI Entry Point
 # =========================================================
@@ -2131,16 +2166,7 @@ def statics(self):
         Map module names to their absolute ``static`` path on the file
         system.
         """
-        mod2path = {}
-        for addons_path in odoo.addons.__path__:
-            for module in os.listdir(addons_path):
-                manifest = get_manifest(module)
-                static_path = opj(addons_path, module, 'static')
-                if (manifest
-                        and (manifest['installable'] or manifest['assets'])
-                        and os.path.isdir(static_path)):
-                    mod2path[module] = static_path
-        return mod2path
+        return ModuleStaticPathMap()
 
     def get_static_file(self, url, host=''):
         """

odoo/modules/module.py

@@ -446,7 +446,7 @@ def get_manifest(module, mod_path=None):
     return copy.deepcopy(_get_manifest_cached(module, mod_path))
 
 @functools.lru_cache(maxsize=None)
-def _get_manifest_cached(module, mod_path=None):
+def _get_manifest_cached(module, mod_path):
     return load_manifest(module, mod_path)
 
 def load_information_from_description_file(module, mod_path=None):