Rename OpenDevin to OpenHands (#3472)

* Replace OpenDevin with OpenHands

* Update CONTRIBUTING.md

* Update README.md

* Update README.md

* update poetry lock; move opendevin folder to openhands

* fix env var

* revert image references in docs

* revert permissions

* revert permissions

---------

Co-authored-by: Xingyao Wang <xingyao6@illinois.edu>

openhands/events/serialization/action.py

@@ -0,0 +1,61 @@
+from openhands.core.exceptions import LLMMalformedActionError
+from openhands.events.action.action import Action
+from openhands.events.action.agent import (
+    AgentDelegateAction,
+    AgentFinishAction,
+    AgentRejectAction,
+    ChangeAgentStateAction,
+)
+from openhands.events.action.browse import BrowseInteractiveAction, BrowseURLAction
+from openhands.events.action.commands import (
+    CmdRunAction,
+    IPythonRunCellAction,
+)
+from openhands.events.action.empty import NullAction
+from openhands.events.action.files import FileReadAction, FileWriteAction
+from openhands.events.action.message import MessageAction
+from openhands.events.action.tasks import AddTaskAction, ModifyTaskAction
+
+actions = (
+    NullAction,
+    CmdRunAction,
+    IPythonRunCellAction,
+    BrowseURLAction,
+    BrowseInteractiveAction,
+    FileReadAction,
+    FileWriteAction,
+    AgentFinishAction,
+    AgentRejectAction,
+    AgentDelegateAction,
+    AddTaskAction,
+    ModifyTaskAction,
+    ChangeAgentStateAction,
+    MessageAction,
+)
+
+ACTION_TYPE_TO_CLASS = {action_class.action: action_class for action_class in actions}  # type: ignore[attr-defined]
+
+
+def action_from_dict(action: dict) -> Action:
+    if not isinstance(action, dict):
+        raise LLMMalformedActionError('action must be a dictionary')
+    action = action.copy()
+    if 'action' not in action:
+        raise LLMMalformedActionError(f"'action' key is not found in {action=}")
+    if not isinstance(action['action'], str):
+        raise LLMMalformedActionError(
+            f"'{action['action']=}' is not defined. Available actions: {ACTION_TYPE_TO_CLASS.keys()}"
+        )
+    action_class = ACTION_TYPE_TO_CLASS.get(action['action'])
+    if action_class is None:
+        raise LLMMalformedActionError(
+            f"'{action['action']=}' is not defined. Available actions: {ACTION_TYPE_TO_CLASS.keys()}"
+        )
+    args = action.get('args', {})
+    try:
+        decoded_action = action_class(**args)
+        if 'timeout' in action:
+            decoded_action.timeout = action['timeout']
+    except TypeError:
+        raise LLMMalformedActionError(f'action={action} has the wrong arguments')
+    return decoded_action