improve config generation action

common/actions.py

@@ -20,7 +20,7 @@ def branch_to_actions() -> bool:
             )
 
     elif config.actions.export_config:
-        generate_config_file(config.actions.config_export_path)
+        generate_config_file(filename=config.actions.config_export_path)
 
     else:
         # did not branch

common/config_models.py

@@ -1,11 +1,25 @@
-from pydantic import AliasChoices, BaseModel, ConfigDict, Field
+from pydantic import AliasChoices, BaseModel, ConfigDict, Field, PrivateAttr
 from typing import List, Literal, Optional, Union
 from pathlib import Path
 
+from pydantic_core import PydanticUndefined
+
 CACHE_SIZES = Literal["FP16", "Q8", "Q6", "Q4"]
 
 
-class ConfigOverrideConfig(BaseModel):
+class Metadata(BaseModel):
+    """metadata model for config options"""
+
+    include_in_config: Optional[bool] = Field(True)
+
+
+class BaseConfigModel(BaseModel):
+    """Base model for config models with added metadata"""
+
+    _metadata: Metadata = PrivateAttr(Metadata())
+
+
+class ConfigOverrideConfig(BaseConfigModel):
     """Model for overriding a provided config file."""
 
     # TODO: convert this to a pathlib.path?
@@ -13,8 +27,10 @@ class ConfigOverrideConfig(BaseModel):
         None, description=("Path to an overriding config.yml file")
     )
 
+    _metadata: Metadata = PrivateAttr(Metadata(include_in_config=False))
 
-class UtilityActions(BaseModel):
+
+class UtilityActions(BaseConfigModel):
     """Model used for arg actions."""
 
     # YAML export options
@@ -33,8 +49,10 @@ class UtilityActions(BaseModel):
         "openapi.json", description="path to export openapi schema to"
     )
 
+    _metadata: Metadata = PrivateAttr(Metadata(include_in_config=False))
 
-class NetworkConfig(BaseModel):
+
+class NetworkConfig(BaseConfigModel):
     """Model for network configuration."""
 
     host: Optional[str] = Field("127.0.0.1", description=("The IP to host on"))
@@ -54,7 +72,7 @@ class NetworkConfig(BaseModel):
 
 # TODO: Migrate config.yml to have the log_ prefix
 # This is a breaking change.
-class LoggingConfig(BaseModel):
+class LoggingConfig(BaseConfigModel):
     """Model for logging configuration."""
 
     log_prompt: Optional[bool] = Field(
@@ -74,7 +92,7 @@ class LoggingConfig(BaseModel):
     )
 
 
-class ModelConfig(BaseModel):
+class ModelConfig(BaseConfigModel):
     """Model for LLM configuration."""
 
     # TODO: convert this to a pathlib.path?
@@ -219,10 +237,11 @@ class ModelConfig(BaseModel):
         ),
     )
 
+    _metadata: Metadata = PrivateAttr(Metadata())
     model_config = ConfigDict(protected_namespaces=())
 
 
-class DraftModelConfig(BaseModel):
+class DraftModelConfig(BaseConfigModel):
     """Model for draft LLM model configuration."""
 
     # TODO: convert this to a pathlib.path?
@@ -262,7 +281,7 @@ class DraftModelConfig(BaseModel):
     )
 
 
-class LoraInstanceModel(BaseModel):
+class LoraInstanceModel(BaseConfigModel):
     """Model representing an instance of a Lora."""
 
     name: str = Field(..., description=("Name of the LoRA model"))
@@ -273,7 +292,7 @@ class LoraInstanceModel(BaseModel):
     )
 
 
-class LoraConfig(BaseModel):
+class LoraConfig(BaseConfigModel):
     """Model for lora configuration."""
 
     # TODO: convert this to a pathlib.path?
@@ -289,7 +308,7 @@ class LoraConfig(BaseModel):
     )
 
 
-class SamplingConfig(BaseModel):
+class SamplingConfig(BaseConfigModel):
     """Model for sampling (overrides) config."""
 
     override_preset: Optional[str] = Field(
@@ -297,7 +316,7 @@ class SamplingConfig(BaseModel):
     )
 
 
-class DeveloperConfig(BaseModel):
+class DeveloperConfig(BaseConfigModel):
     """Model for developer settings configuration."""
 
     unsafe_launch: Optional[bool] = Field(
@@ -321,7 +340,7 @@ class DeveloperConfig(BaseModel):
     )
 
 
-class EmbeddingsConfig(BaseModel):
+class EmbeddingsConfig(BaseConfigModel):
     """Model for embeddings configuration."""
 
     # TODO: convert this to a pathlib.path?
@@ -366,30 +385,29 @@ class TabbyConfigModel(BaseModel):
     model_config = ConfigDict(validate_assignment=True, protected_namespaces=())
 
 
-def generate_config_file(filename="config_sample.yml", indentation=2):
+def generate_config_file(
+    model: BaseConfigModel = None,
+    filename: str = "config_sample.yml",
+    indentation: int = 2,
+) -> None:
     """Creates a config.yml file from Pydantic models."""
 
-    schema = TabbyConfigModel.model_json_schema()
-
-    def dump_def(id: str, indent=2):
-        yaml = ""
-        indent = " " * indentation * indent
-        id = id.split("/")[-1]
-
-        section = schema["$defs"][id]["properties"]
-        for property in section.keys():  # get type
-            comment = section[property]["description"]
-            yaml += f"{indent}# {comment}\n"
-
-            value = section[property].get("default", "")
-            yaml += f"{indent}{property}: {value}\n\n"
-
-        return yaml + "\n"
-
+    schema = model if model else TabbyConfigModel()
     yaml = ""
-    for section in schema["properties"].keys():
-        yaml += f"{section}:\n"
-        yaml += dump_def(schema["properties"][section]["$ref"])
+
+    for field, field_data in schema.model_fields.items():
+        subfield_model = field_data.default_factory()
+        if not subfield_model._metadata.include_in_config:
+            continue
+
+        yaml += f"# {subfield_model.__doc__}\n"
+        yaml += f"{field}:\n"
+        for subfield, subfield_data in subfield_model.model_fields.items():
+            value = subfield_data.default
+            value = value if value is not None else ""
+            value = value if value is not PydanticUndefined else ""
+            yaml += f"{' ' * indentation}# {subfield_data.description}\n"
+            yaml += f"{' ' * indentation}{subfield}: {value}\n"
         yaml += "\n"
 
     with open(filename, "w") as f: