1 files changed, 84 insertions, 0 deletions
diff --git a/R2R/r2r/main/app_entry.py b/R2R/r2r/main/app_entry.py
new file mode 100755
index 00000000..29b705d7
--- /dev/null
+++ b/R2R/r2r/main/app_entry.py
@@ -0,0 +1,84 @@
+import logging
+import os
+from enum import Enum
+from typing import Optional
+
+from fastapi import FastAPI
+
+from r2r import R2RBuilder, R2RConfig
+from r2r.main.execution import R2RExecutionWrapper
+
+logger = logging.getLogger(__name__)
+current_file_path = os.path.dirname(__file__)
+configs_path = os.path.join(current_file_path, "..", "..", "..")
+
+
+class PipelineType(Enum):
+    QNA = "qna"
+    WEB = "web"
+    HYDE = "hyde"
+
+
+def r2r_app(
+    config_name: Optional[str] = "default",
+    config_path: Optional[str] = None,
+    client_mode: bool = False,
+    base_url: Optional[str] = None,
+    pipeline_type: PipelineType = PipelineType.QNA,
+) -> FastAPI:
+    if pipeline_type != PipelineType.QNA:
+        raise ValueError("Only QNA pipeline is supported in quickstart.")
+    if config_path and config_name:
+        raise ValueError("Cannot specify both config and config_name")
+
+    if config_path:
+        config = R2RConfig.from_json(config_path)
+    else:
+        config_name = os.getenv("CONFIG_NAME") or config_name
+        if config_name not in R2RBuilder.CONFIG_OPTIONS:
+            raise ValueError(f"Invalid config name: {config_name}")
+        config = R2RConfig.from_json(R2RBuilder.CONFIG_OPTIONS[config_name])
+
+    if (
+        config.embedding.provider == "openai"
+        and "OPENAI_API_KEY" not in os.environ
+    ):
+        raise ValueError(
+            "Must set OPENAI_API_KEY in order to initialize OpenAIEmbeddingProvider."
+        )
+
+    wrapper = R2RExecutionWrapper(
+        config_name=config_name,
+        config_path=config_path,
+        client_mode=client_mode,
+        base_url=base_url,
+    )
+
+    return wrapper.get_app()
+
+
+logging.basicConfig(level=logging.INFO)
+
+config_name = os.getenv("CONFIG_NAME", None)
+config_path = os.getenv("CONFIG_PATH", None)
+if not config_path and not config_name:
+    config_name = "default"
+client_mode = os.getenv("CLIENT_MODE", "false").lower() == "true"
+base_url = os.getenv("BASE_URL")
+host = os.getenv("HOST", "0.0.0.0")
+port = int(os.getenv("PORT", "8000"))
+pipeline_type = os.getenv("PIPELINE_TYPE", "qna")
+
+logger.info(f"Environment CONFIG_NAME: {config_name}")
+logger.info(f"Environment CONFIG_PATH: {config_path}")
+logger.info(f"Environment CLIENT_MODE: {client_mode}")
+logger.info(f"Environment BASE_URL: {base_url}")
+logger.info(f"Environment PIPELINE_TYPE: {pipeline_type}")
+
+app = r2r_app(
+    config_name=config_name,
+    config_path=config_path,
+    client_mode=client_mode,
+    base_url=base_url,
+    pipeline_type=PipelineType(pipeline_type),
+)