add DEFAULT_CACHE_SIZE constant

Author: AlePouroullis

src/humanloop/client.py

@@ -24,7 +24,7 @@
 from humanloop.otel.processor import HumanloopSpanProcessor
 from humanloop.prompt_utils import populate_template
 from humanloop.prompts.client import PromptsClient
-from humanloop.sync.sync_client import SyncClient
+from humanloop.sync.sync_client import SyncClient, DEFAULT_CACHE_SIZE
 
 
 class ExtendedEvalsClient(EvaluationsClient):
@@ -101,6 +101,7 @@ def __init__(
         opentelemetry_tracer: Optional[Tracer] = None,
         use_local_files: bool = False,
         files_directory: str = "humanloop",
+        cache_size: int = DEFAULT_CACHE_SIZE,
     ):
         """
         Extends the base client with custom evaluation utilities and
@@ -110,6 +111,21 @@ def __init__(
         You can provide a TracerProvider and a Tracer to integrate
         with your existing telemetry system. If not provided,
         an internal TracerProvider will be used.
+
+        Parameters
+        ----------
+        base_url: Optional base URL for the API
+        environment: The environment to use (default: DEFAULT)
+        api_key: Your Humanloop API key (default: from HUMANLOOP_API_KEY env var)
+        timeout: Optional timeout for API requests
+        follow_redirects: Whether to follow redirects
+        httpx_client: Optional custom httpx client
+        opentelemetry_tracer_provider: Optional tracer provider for telemetry
+        opentelemetry_tracer: Optional tracer for telemetry
+        use_local_files: Whether to use local files for prompts and agents
+        files_directory: Directory for local files (default: "humanloop")
+        cache_size: Maximum number of files to cache when use_local_files is True (default: DEFAULT_CACHE_SIZE).
+                   This parameter has no effect if use_local_files is False.
         """
         super().__init__(
             base_url=base_url,
@@ -121,7 +137,11 @@ def __init__(
         )
 
         self.use_local_files = use_local_files
-        self._sync_client = SyncClient(client=self, base_dir=files_directory)
+        self._sync_client = SyncClient(
+            client=self, 
+            base_dir=files_directory,
+            cache_size=cache_size
+        )
         eval_client = ExtendedEvalsClient(client_wrapper=self._client_wrapper)
         eval_client.client = self
         self.evaluations = eval_client

src/humanloop/sync/sync_client.py

@@ -21,6 +21,9 @@
 if not logger.hasHandlers():
     logger.addHandler(console_handler)
 
+# Default cache size for file content caching
+DEFAULT_CACHE_SIZE = 100
+
 class SyncClient:
     """Client for managing synchronization between local filesystem and Humanloop.
     
@@ -37,14 +40,14 @@ def __init__(
         self, 
         client: "BaseHumanloop",
         base_dir: str = "humanloop",
-        cache_size: int = 100
+        cache_size: int = DEFAULT_CACHE_SIZE
     ):
         """
         Parameters
         ----------
         client: Humanloop client instance
         base_dir: Base directory for synced files (default: "humanloop")
-        cache_size: Maximum number of files to cache (default: 100)
+        cache_size: Maximum number of files to cache (default: DEFAULT_CACHE_SIZE)
         """
         self.client = client
         self.base_dir = Path(base_dir)