llama_toolchain/distribution -> llama_toolchain/core

llama_toolchain/core/distribution.py

@@ -0,0 +1,101 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+import inspect
+from typing import Dict, List
+
+from llama_toolchain.agentic_system.api import AgenticSystem
+from llama_toolchain.agentic_system.providers import available_agentic_system_providers
+from llama_toolchain.inference.api import Inference
+from llama_toolchain.inference.providers import available_inference_providers
+from llama_toolchain.memory.api import Memory
+from llama_toolchain.memory.providers import available_memory_providers
+from llama_toolchain.safety.api import Safety
+from llama_toolchain.safety.providers import available_safety_providers
+
+from .datatypes import (
+    Api,
+    ApiEndpoint,
+    DistributionSpec,
+    InlineProviderSpec,
+    ProviderSpec,
+    remote_provider_spec,
+)
+
+# These are the dependencies needed by the distribution server.
+# `llama-toolchain` is automatically installed by the installation script.
+SERVER_DEPENDENCIES = [
+    "fastapi",
+    "uvicorn",
+]
+
+
+def distribution_dependencies(distribution: DistributionSpec) -> List[str]:
+    # only consider InlineProviderSpecs when calculating dependencies
+    return [
+        dep
+        for provider_spec in distribution.provider_specs.values()
+        if isinstance(provider_spec, InlineProviderSpec)
+        for dep in provider_spec.pip_packages
+    ] + SERVER_DEPENDENCIES
+
+
+def stack_apis() -> List[Api]:
+    return [Api.inference, Api.safety, Api.agentic_system, Api.memory]
+
+
+def api_endpoints() -> Dict[Api, List[ApiEndpoint]]:
+    apis = {}
+
+    protocols = {
+        Api.inference: Inference,
+        Api.safety: Safety,
+        Api.agentic_system: AgenticSystem,
+        Api.memory: Memory,
+    }
+
+    for api, protocol in protocols.items():
+        endpoints = []
+        protocol_methods = inspect.getmembers(protocol, predicate=inspect.isfunction)
+
+        for name, method in protocol_methods:
+            if not hasattr(method, "__webmethod__"):
+                continue
+
+            webmethod = method.__webmethod__
+            route = webmethod.route
+
+            if webmethod.method == "GET":
+                method = "get"
+            elif webmethod.method == "DELETE":
+                method = "delete"
+            else:
+                method = "post"
+            endpoints.append(ApiEndpoint(route=route, method=method, name=name))
+
+        apis[api] = endpoints
+
+    return apis
+
+
+def api_providers() -> Dict[Api, Dict[str, ProviderSpec]]:
+    inference_providers_by_id = {
+        a.provider_id: a for a in available_inference_providers()
+    }
+    safety_providers_by_id = {a.provider_id: a for a in available_safety_providers()}
+    agentic_system_providers_by_id = {
+        a.provider_id: a for a in available_agentic_system_providers()
+    }
+
+    ret = {
+        Api.inference: inference_providers_by_id,
+        Api.safety: safety_providers_by_id,
+        Api.agentic_system: agentic_system_providers_by_id,
+        Api.memory: {a.provider_id: a for a in available_memory_providers()},
+    }
+    for k, v in ret.items():
+        v["remote"] = remote_provider_spec(k)
+    return ret