Server side implementation for interactive entry edits

sia/entry/write_entry.py

@@ -0,0 +1,59 @@
+import xml.etree.ElementTree as ET
+
+from . import Entry
+from ..io_buffer import IOBuffer
+
+class WriteEntry(Entry):
+    """
+    Entry type for writing content to standard output.
+    """
+    
+    def __init__(
+            self,
+            id: str,
+            content: str,
+            io_buffer: IOBuffer,
+        ):
+        """
+        Initialize a new write entry.
+        
+        Args:
+            id: Unique identifier for this entry
+            content: Text to write to stdout
+            io_buffer: Buffer to use for IO operations
+        """
+        super().__init__(id)
+        self.content = content
+        self.written: bool = False
+        self._io_buffer = io_buffer
+        
+    def update(self) -> None:
+        """
+        Write the content to stdout if not already written.
+        Uses the provided IO buffer for the actual write operation.
+        """
+        if not self.written:
+            self._io_buffer.write(self.content)
+            self.written = True
+            self.notify_change()
+
+    def generate_context(self) -> ET.Element:
+        """
+        Generate an XML Element representing this write entry.
+        
+        Returns:
+            ET.Element: XML element containing the entry's data
+        """
+        element = ET.Element("write_stdout", {"id": self.id})
+        element.text = self.content
+        return element
+
+    def serialize(self):
+        """
+        Collect all public attributes of the entry into a dictionary.
+        """
+        return {
+            "type": "write",
+            "id": self._id,
+            "content": self.content,
+        }