feat: add cmd_copy command to copy last assistant reply to clipboard

aider/commands.py

@@ -1042,8 +1042,29 @@ def cmd_voice(self, args):
 
         return text
 
+    def cmd_copy(self, args):
+        "Copy the last reply from the LLM to the clipboard"
+        if not self.coder.cur_messages:
+            self.io.tool_error("No messages to copy.")
+            return
+
+        last_assistant_message = next(
+            (msg for msg in reversed(self.coder.cur_messages) if msg["role"] == "assistant"), None
+        )
+        if not last_assistant_message:
+            self.io.tool_error("No assistant reply to copy.")
+            return
+
+        content = last_assistant_message["content"]
+        try:
+            pyperclip.copy(content)
+            self.io.tool_output("Last assistant reply copied to clipboard.")
+        except pyperclip.PyperclipException as e:
+            self.io.tool_error(f"Failed to copy to clipboard: {e}")
+
     def cmd_paste(self, args):
-        "Paste image/text from the clipboard into the chat (optionally provide a name for the image)"
+        "Paste image/text from the clipboard into the chat"
+        "(optionally provide a name for the image)"
         try:
             # Check for image first
             image = ImageGrab.grabclipboard()

aider/website/docs/usage/commands.md

@@ -21,6 +21,7 @@ cog.out(get_help_md())
 | **/clear** | Clear the chat history |
 | **/code** | Ask for changes to your code |
 | **/commit** | Commit edits to the repo made outside the chat (commit message optional) |
+| **/copy** | Copy the last reply from the LLM to the clipboard |
 | **/diff** | Display the diff of changes since the last message |
 | **/drop** | Remove files from the chat session to free up context space |
 | **/exit** | Exit the application |
@@ -32,7 +33,7 @@ cog.out(get_help_md())
 | **/map-refresh** | Force a refresh of the repository map |
 | **/model** | Switch to a new LLM |
 | **/models** | Search the list of available models |
-| **/paste** | Paste image/text from the clipboard into the chat (optionally provide a name for the image) |
+| **/paste** | Paste image/text from the clipboard into the chat |
 | **/quit** | Exit the application |
 | **/read-only** | Add files to the chat that are for reference, not to be edited |
 | **/report** | Report a problem by opening a GitHub Issue |

tests/basic/test_commands.py

@@ -8,6 +8,7 @@
 from unittest import TestCase, mock
 
 import git
+import pyperclip
 
 from aider.coders import Coder
 from aider.commands import Commands, SwitchCoder
@@ -1098,3 +1099,66 @@ def test_cmd_reset(self):
 
             del coder
             del commands
+
+    def test_cmd_copy_successful(self):
+        io = InputOutput(pretty=False, yes=True)
+        coder = Coder.create(self.GPT35, None, io)
+        commands = Commands(io, coder)
+
+        coder.cur_messages = [
+            {"role": "user", "content": "Test message"},
+            {"role": "assistant", "content": "Test reply"},
+        ]
+
+        with mock.patch("pyperclip.copy") as mock_copy:
+            with mock.patch.object(io, "tool_output") as mock_output:
+                commands.cmd_copy("")
+
+                mock_copy.assert_called_once_with("Test reply")
+                mock_output.assert_called_once_with("Last assistant reply copied to clipboard.")
+
+    def test_cmd_copy_no_messages(self):
+        io = InputOutput(pretty=False, yes=True)
+        coder = Coder.create(self.GPT35, None, io)
+        commands = Commands(io, coder)
+
+        coder.cur_messages = []
+
+        with mock.patch("pyperclip.copy") as mock_copy:
+            with mock.patch.object(io, "tool_error") as mock_error:
+                commands.cmd_copy("")
+
+                mock_copy.assert_not_called()
+                mock_error.assert_called_once_with("No messages to copy.")
+
+    def test_cmd_copy_no_assistant_messages(self):
+        io = InputOutput(pretty=False, yes=True)
+        coder = Coder.create(self.GPT35, None, io)
+        commands = Commands(io, coder)
+
+        coder.cur_messages = [{"role": "user", "content": "Test message"}]
+
+        with mock.patch("pyperclip.copy") as mock_copy:
+            with mock.patch.object(io, "tool_error") as mock_error:
+                commands.cmd_copy("")
+
+                mock_copy.assert_not_called()
+                mock_error.assert_called_once_with("No assistant reply to copy.")
+
+    def test_cmd_copy_pyperclip_exception(self):
+        io = InputOutput(pretty=False, yes=True)
+        coder = Coder.create(self.GPT35, None, io)
+        commands = Commands(io, coder)
+
+        coder.cur_messages = [
+            {"role": "user", "content": "Test message"},
+            {"role": "assistant", "content": "Test reply"},
+        ]
+
+        with mock.patch(
+            "pyperclip.copy", side_effect=pyperclip.PyperclipException("Test exception")
+        ):
+            with mock.patch.object(io, "tool_error") as mock_error:
+                commands.cmd_copy("")
+
+                mock_error.assert_called_once_with("Failed to copy to clipboard: Test exception")