Added --require-model-info

aider/commands.py

@@ -197,7 +197,10 @@ class Commands:
         self.io.tool_output("=" * (width + cost_width + 1))
         self.io.tool_output(f"${total_cost:7.4f} {fmt(total)} tokens total")
 
-        limit = self.coder.main_model.info.get("max_input_tokens")
+        limit = self.coder.main_model.info.get("max_input_tokens", 0)
+        if not limit:
+            return
+
         remaining = limit - total
         if remaining > 1024:
             self.io.tool_output(f"{cost_pad}{fmt(remaining)} tokens remaining in context window")
@@ -207,7 +210,10 @@ class Commands:
                 " /clear to make space)"
             )
         else:
-            self.io.tool_error(f"{cost_pad}{fmt(remaining)} tokens remaining, window exhausted!")
+            self.io.tool_error(
+                f"{cost_pad}{fmt(remaining)} tokens remaining, window exhausted (use /drop or"
+                " /clear to make space)"
+            )
         self.io.tool_output(f"{cost_pad}{fmt(limit)} tokens max context window size")
 
     def cmd_undo(self, args):

aider/main.py

@@ -276,6 +276,12 @@ def main(argv=None, input=None, output=None, force_git_root=None):
             " depends on --model)"
         ),
     )
+    model_group.add_argument(
+        "--require-model-info",
+        action=argparse.BooleanOptionalAction,
+        default=True,
+        help="Only work with models that have meta-data available (default: True)",
+    )
     model_group.add_argument(
         "--map-tokens",
         type=int,
@@ -606,13 +612,15 @@ def main(argv=None, input=None, output=None, force_git_root=None):
         for key in missing_keys:
             io.tool_error(f"- {key}")
         return 1
-    elif not res["keys_in_environment"]:
+    elif not res["keys_in_environment"] and args.require_model_info:
         io.tool_error(models.check_model_name(args.model))
         return 1
 
     # Check in advance that we have model metadata
     try:
-        main_model = models.Model(args.model, weak_model=args.weak_model)
+        main_model = models.Model(
+            args.model, weak_model=args.weak_model, require_model_info=args.require_model_info
+        )
     except models.NoModelInfo as err:
         io.tool_error(str(err))
         return 1

aider/models.py

@@ -123,13 +123,15 @@ class Model:
     max_chat_history_tokens = 1024
     weak_model = None
 
-    def __init__(self, model, weak_model=None):
+    def __init__(self, model, weak_model=None, require_model_info=True):
         self.name = model
 
         try:
             self.info = litellm.get_model_info(model)
         except Exception:
-            raise NoModelInfo(model)
+            if require_model_info:
+                raise NoModelInfo(model)
+            self.info = dict()
 
         if self.info.get("max_input_tokens", 0) < 32 * 1024:
             self.max_chat_history_tokens = 1024
@@ -137,7 +139,7 @@ class Model:
             self.max_chat_history_tokens = 2 * 1024
 
         self.configure_model_settings(model)
-        self.get_weak_model(weak_model)
+        self.get_weak_model(weak_model, require_model_info)
 
     def configure_model_settings(self, model):
         for ms in MODEL_SETTINGS:
@@ -161,7 +163,7 @@ class Model:
     def __str__(self):
         return self.name
 
-    def get_weak_model(self, provided_weak_model_name):
+    def get_weak_model(self, provided_weak_model_name, require_model_info):
         # If weak_model_name is provided, override the model settings
         if provided_weak_model_name:
             self.weak_model_name = provided_weak_model_name
@@ -170,7 +172,11 @@ class Model:
             self.weak_model = self
             return
 
-        self.weak_model = Model(self.weak_model_name)
+        self.weak_model = Model(
+            self.weak_model_name,
+            weak_model=self.weak_model_name,
+            require_model_info=require_model_info,
+        )
         return self.weak_model
 
     def commit_message_models(self):

aider/repo.py

@@ -22,7 +22,13 @@ class GitRepo:
         if models:
             self.models = models
         else:
-            self.models = [Model(DEFAULT_WEAK_MODEL_NAME)]
+            self.models = [
+                Model(
+                    DEFAULT_WEAK_MODEL_NAME,
+                    weak_model=DEFAULT_WEAK_MODEL_NAME,
+                    require_model_info=False,
+                )
+            ]
 
         if git_dname:
             check_fnames = [git_dname]