Add temporary file/directory nodes

docs/nodetool_os.md

@@ -82,6 +82,36 @@ Use cases:
 - **exist_ok**: Don't error if directory already exists (bool)
 
 
+## CreateTemporaryDirectory
+
+Create a temporary directory on disk.
+
+Use cases:
+- Provide working directories for intermediate results
+- Store ephemeral data across nodes
+
+**Tags:** files, directory, temporary, create
+
+**Fields:**
+- **prefix**: Prefix for the directory name (str)
+- **suffix**: Suffix for the directory name (str)
+- **dir**: Parent directory for the temp directory (str)
+
+## CreateTemporaryFile
+
+Create a temporary file on disk.
+
+Use cases:
+- Provide scratch storage for workflows
+- Generate unique filenames for intermediate data
+
+**Tags:** files, temporary, create
+
+**Fields:**
+- **prefix**: Prefix for the temp file name (str)
+- **suffix**: Suffix for the temp file name (str)
+- **dir**: Directory where the file is created (str)
+
 ## CreatedTime
 
 Get file creation timestamp.

src/nodetool/nodes/nodetool/os.py

@@ -20,6 +20,7 @@
 )
 
 import subprocess
+import tempfile
 
 
 class GetEnvironmentVariable(BaseNode):
@@ -228,6 +229,54 @@ async def process(self, context: ProcessingContext):
         os.makedirs(expanded_path, exist_ok=self.exist_ok)
 
 
+class CreateTemporaryFile(BaseNode):
+    """
+    Create a temporary file on disk.
+    files, temporary, create
+
+    Use cases:
+    - Provide scratch storage for workflows
+    - Generate unique filenames for intermediate data
+    """
+
+    prefix: str = Field(default="", description="Prefix for the temp file name")
+    suffix: str = Field(default="", description="Suffix for the temp file name")
+    dir: str = Field(default="", description="Directory where the file is created")
+
+    async def process(self, context: ProcessingContext) -> FilePath:
+        if Environment.is_production():
+            raise ValueError("This node is not available in production")
+        tmp_dir = os.path.expanduser(self.dir) if self.dir else None
+        tmp = tempfile.NamedTemporaryFile(
+            prefix=self.prefix, suffix=self.suffix, dir=tmp_dir, delete=False
+        )
+        path = tmp.name
+        tmp.close()
+        return FilePath(path=path)
+
+
+class CreateTemporaryDirectory(BaseNode):
+    """
+    Create a temporary directory on disk.
+    files, directory, temporary, create
+
+    Use cases:
+    - Provide working directories for intermediate results
+    - Store ephemeral data across nodes
+    """
+
+    prefix: str = Field(default="", description="Prefix for the directory name")
+    suffix: str = Field(default="", description="Suffix for the directory name")
+    dir: str = Field(default="", description="Parent directory for the temp directory")
+
+    async def process(self, context: ProcessingContext) -> FilePath:
+        if Environment.is_production():
+            raise ValueError("This node is not available in production")
+        tmp_dir = os.path.expanduser(self.dir) if self.dir else None
+        path = tempfile.mkdtemp(prefix=self.prefix, suffix=self.suffix, dir=tmp_dir)
+        return FilePath(path=path)
+
+
 class GetFileSize(BaseNode):
     """
     Get file size in bytes.