Added older provider interface back for tests to pass.

Added back few older files.
Replaced test_client with newer test code.
Will need to port the older provider files
to the new format. Till then keeping the
older provider interface related tests.

Author: rohit-rptless

aisuite/client.py

@@ -51,11 +51,12 @@ def chat(self):
 class Chat:
     def __init__(self, client: "Client"):
         self.client = client
+        self._completions = Completions(self.client)
 
     @property
     def completions(self):
         """Return the completions interface."""
-        return Completions(self.client)
+        return self._completions
 
 
 class Completions:

aisuite/framework/__init__.py

@@ -1 +1,2 @@
+from .provider_interface import ProviderInterface
 from .chat_completion_response import ChatCompletionResponse

aisuite/framework/provider_interface.py

@@ -0,0 +1,25 @@
+"""The shared interface for model providers."""
+
+
+class ProviderInterface:
+    """Defines the expected behavior for provider-specific interfaces."""
+
+    def chat_completion_create(self, messages=None, model=None, temperature=0) -> None:
+        """Create a chat completion using the specified messages, model, and temperature.
+
+        This method must be implemented by subclasses to perform completions.
+
+        Args:
+        ----
+            messages (list): The chat history.
+            model (str): The identifier of the model to be used in the completion.
+            temperature (float): The temperature to use in the completion.
+
+        Raises:
+        ------
+            NotImplementedError: If this method has not been implemented by a subclass.
+
+        """
+        raise NotImplementedError(
+            "Provider Interface has not implemented chat_completion_create()"
+        )

aisuite/old_providers/__init__.py

@@ -1 +1,13 @@
-# Empty __init__.py
+"""Provides the individual provider interfaces for each FM provider."""
+
+from .anthropic_interface import AnthropicInterface
+from .aws_bedrock_interface import AWSBedrockInterface
+from .fireworks_interface import FireworksInterface
+from .groq_interface import GroqInterface
+from .mistral_interface import MistralInterface
+from .octo_interface import OctoInterface
+from .ollama_interface import OllamaInterface
+from .openai_interface import OpenAIInterface
+from .replicate_interface import ReplicateInterface
+from .together_interface import TogetherInterface
+from .google_interface import GoogleInterface