Add task event list collapse

src/lifeblood/ui_events_tools.py

@@ -0,0 +1,54 @@
+import copy
+
+from .ui_events import TaskFullState, TasksChanged, TasksRemoved, TasksUpdated, TaskEvent
+from .ui_protocol_data import TaskBatchData, DataNotSet, TaskData, TaskDelta
+
+from typing import Dict, List, Optional
+
+
+def collapse_task_event_list(event_list: List[TaskEvent]) -> Optional[TaskBatchData]:
+    if len(event_list) == 0:
+        return None
+    collapsed_tasks: Dict[int, TaskData] = {}
+    db_id = None
+    event_id = None
+    timestamp = None
+    for event in event_list:
+        if db_id is None:
+            db_id = event.database_uid
+            event_id = event.event_id
+            timestamp = event.timestamp
+        elif db_id != event.database_uid:
+            raise RuntimeError('provided event list has events from different databases')
+        event_id = max(event_id, event.event_id)
+        timestamp = max(timestamp, event.timestamp)
+
+        if isinstance(event, TaskFullState):
+            collapsed_tasks = {k: copy.copy(v) for k, v in event.task_data.tasks.items()}
+        elif isinstance(event, TasksRemoved):
+            for task_id in event.task_ids:
+                if task_id not in collapsed_tasks:
+                    raise RuntimeError(f'event list inconsistency: task id {task_id} is not in tasks, cannot remove')
+                collapsed_tasks.pop(task_id)
+        elif isinstance(event, TasksUpdated):
+            for task_id, task_data in event.task_data.tasks.items():
+                collapsed_tasks[task_id] = copy.copy(task_data)
+        elif isinstance(event, TasksChanged):
+            for task_delta in event.task_deltas:
+                task_id = task_delta.id
+                if task_id not in collapsed_tasks:
+                    print(collapsed_tasks)
+                    raise RuntimeError(f'event list inconsistency: task id {task_id} is not in tasks, cannot apply delta')
+                for field in TaskDelta.__annotations__.keys():
+                    if (val := getattr(task_delta, field)) is not DataNotSet:
+                        if field == 'id':
+                            assert collapsed_tasks[task_id].id == val
+                        setattr(collapsed_tasks[task_id], field, val)
+        else:
+            raise NotImplementedError(f'handling of event type "{type(event)}" is not implemented')
+
+    return TaskBatchData(
+        db_id,
+        collapsed_tasks
+    )
+

src/lifeblood_viewer/connection_worker.py

@@ -1,34 +1,30 @@
 import asyncio
 import socket
-import struct
 import json
 import time
-import pickle
-from io import BytesIO
 
 from lifeblood.uidata import NodeUi
-from lifeblood.ui_protocol_data import UiData
 from lifeblood.invocationjob import InvocationJob
-from lifeblood.nethelpers import recv_exactly, address_to_ip_port, get_default_addr
+from lifeblood.nethelpers import address_to_ip_port, get_default_addr
 from lifeblood import logging
-from lifeblood.enums import NodeParameterType, TaskState, TaskGroupArchivedState
+from lifeblood.enums import TaskState, TaskGroupArchivedState
 from lifeblood.broadcasting import await_broadcast
 from lifeblood.config import get_config
 from lifeblood.exceptions import UiClientOperationFailed
 from lifeblood.uidata import Parameter
-from lifeblood.node_type_metadata import NodeTypeMetadata
 from lifeblood.taskspawn import NewTask
-from lifeblood.snippets import NodeSnippetData, NodeSnippetDataPlaceholder
+from lifeblood.snippets import NodeSnippetData
 from lifeblood.defaults import ui_port
 from lifeblood.environment_resolver import EnvironmentResolverArguments
 from lifeblood.scheduler_ui_protocol import UIProtocolSocketClient
 from lifeblood.ui_protocol_data import TaskBatchData
+from lifeblood.ui_events import TaskFullState
+from lifeblood.ui_events_tools import collapse_task_event_list
 
 import PySide2
 from PySide2.QtCore import Signal, Slot, QPointF, QThread
-#from PySide2.QtGui import QPoin
 
-from typing import Callable, Optional, Set, List, Union, Dict, Iterable
+from typing import Callable, Optional, Set, List, Union, Iterable
 
 
 logger = logging.get_logger('viewer')
@@ -398,8 +394,23 @@ def _check_tasks(self):
                 assert len(task_events) > 0  # on subscription there MUST be at least a single event
 
             if len(task_events) > 0:
-                first_time_getting_events = self.__last_known_event_id < 0
+                first_time_receiving_events_for_this_filter = self.__last_known_event_id < 0
                 self.__last_known_event_id = task_events[-1].event_id
+                if first_time_receiving_events_for_this_filter:
+                    collapsed_data: Optional[TaskBatchData] = None
+                    try:
+                        collapsed_data = collapse_task_event_list(task_events)
+                    except RuntimeError:
+                        logger.warning("failed to collapse event list, event list malformed!")
+                    if collapsed_data is not None:
+                        subst_event = TaskFullState(
+                            collapsed_data.db_uid,
+                            collapsed_data
+                        )
+                        subst_event.timestamp = task_events[-1].timestamp
+                        subst_event.event_id = task_events[-1].event_id
+                        task_events = [subst_event]
+
                 self.tasks_events_arrived.emit(task_events)
         else:
             tasks_state = self.__client.get_ui_tasks_state(self.__task_group_filter or [], not self.__skip_dead)

tests/test_ui_events_tools.py

@@ -0,0 +1,223 @@
+import copy
+import random
+from unittest import TestCase
+from lifeblood.ui_events_tools import collapse_task_event_list
+from lifeblood.ui_events import TaskFullState, TasksChanged, TasksRemoved, TasksUpdated
+from lifeblood.ui_protocol_data import TaskData, TaskBatchData, TaskDelta
+from lifeblood.enums import TaskState
+
+
+class TestUIEventsTools(TestCase):
+    def test_collapse_task_event_list_trivial(self):
+        self.assertIsNone(collapse_task_event_list([]))
+
+        data = TaskBatchData(
+            12345,
+            {
+                2: TaskData(
+                    2, None, 4, 3, TaskState.WAITING, 'bla blaa', False, 55, 'maino', 'bleion', 'footask', 5, 6, 0.567, 7, 8, 9, {'qwe', 'asd', 'zxc'},
+                )
+            }
+        )
+        fullstate = TaskFullState(
+            12345,
+            data,
+        )
+
+        self.assertEqual(data, collapse_task_event_list([fullstate]))
+
+    def test_collapse_task_event_list_errors(self):
+        self.assertRaises(RuntimeError, collapse_task_event_list, [
+            TaskFullState(
+                12345, TaskBatchData(12345, {})
+            ),
+            TasksChanged(
+                23456, []
+            ),
+        ])
+
+        self.assertRaises(RuntimeError, collapse_task_event_list, [
+            TasksRemoved(
+                12345, (1,)
+            )
+        ])
+
+        self.assertRaises(RuntimeError, collapse_task_event_list, [
+            TasksChanged(
+                12345, [
+                    TaskDelta(
+                        2,
+                        children_count=123,
+                    ),
+                ],
+            )
+        ])
+
+    def test_collapse_task_event_list_common1(self):
+        fullstate_init = TaskFullState(
+            12345,
+            TaskBatchData(
+                12345,
+                {
+                    2: TaskData(
+                        2, None, 4, 3, TaskState.WAITING, 'bla blaa', False, 55, 'maino', 'bleion', 'footask', 5, 6, 0.567, 7, 8, 9, {'qwe', 'asd', 'zxc'},
+                    )
+                }
+            ),
+        )
+        fulldata_final = TaskBatchData(
+            12345,
+            {
+                2: TaskData(
+                    2, None, 4, 3, TaskState.WAITING, 'bla blaa', False, 55, 'maino', 'bleion', 'footask', 5, 6, 0.567, 7, 8, 9, {'qwe', 'asd', 'zxc'},
+                ),
+                22: TaskData(
+                    22, None, 44, 33, TaskState.POST_WAITING, 'beeba', True, 555, 'maino1', 'bleion1', 'bartask', 55, 66, 0.5678, 77, 88, 99, {'fgh'},
+                ),
+            }
+        )
+        event_list = [
+            fullstate_init,
+            TasksUpdated(
+                12345,
+                TaskBatchData(
+                    12345,
+                    {
+                        22: TaskData(
+                            22, None, 0, 33, TaskState.DONE, None, True, 555, 'maino1', '', 'bartask', 55, 66, 0, 77, 88, 99, set(),
+                        ),
+                    }
+                )
+            ),
+            TasksChanged(
+                12345,
+                [
+                    TaskDelta(
+                        22,
+                        children_count=44,
+                        state=TaskState.POST_WAITING,
+                        state_details='beeba',
+                        node_output_name='badbad',
+                        groups={'hhh'},
+                    )
+                ]
+            ),
+            TasksUpdated(
+                12345,
+                TaskBatchData(
+                    12345,
+                    {
+                        33: TaskData(
+                            33, None, 0, 33, TaskState.DONE, None, True, 555, 'agageh', '', 'jgfjft', 55, 66, 0, 77, 88, 99, set(),
+                        ),
+                    }
+                )
+            ),
+            TasksChanged(
+                12345,
+                [
+                    TaskDelta(
+                        22,
+                        node_output_name='bleion1',
+                        progress=0.5678,
+                        groups={'fgh'},
+                    )
+                ]
+            ),
+            TasksRemoved(
+                12345,
+                (33,),
+            )
+        ]
+
+        self.assertEqual(
+            fulldata_final,
+            collapse_task_event_list(event_list)
+        )
+
+    def test_ensure_source_unmodified(self):
+        update_event = TasksUpdated(
+            12345,
+            TaskBatchData(
+                12345,
+                {
+                    123: TaskData(123, 234, 444, 333, TaskState.GENERATING, 'nope', True, 345, 'floo', 'flee', 'nonde', 456, 567, 0.51423, 678, 789, 890, {'karrr'},),
+                }
+            )
+        )
+        full_event = TaskFullState(
+            12345,
+            TaskBatchData(
+                12345,
+                {
+                    123: TaskData(123, 234, 444, 333, TaskState.GENERATING, 'nope', True, 345, 'floo', 'flee', 'nonde', 456, 567, 0.51423, 678, 789, 890, {'karrr'}, ),
+                }
+            )
+        )
+        delta_event = TasksChanged(
+            12345,
+            [
+                TaskDelta(123, children_count=999, split_origin_task_id=888, name='foooooooo')
+            ]
+        )
+
+        update_event_control = copy.deepcopy(update_event)
+        full_event_control = copy.deepcopy(full_event)
+
+        collapsed_data = collapse_task_event_list([full_event, delta_event])
+        self.assertIsNotNone(collapsed_data)
+        collapsed_data = collapse_task_event_list([update_event, delta_event])
+        self.assertIsNotNone(collapsed_data)
+
+        self.assertEqual(update_event_control, update_event)
+        self.assertEqual(full_event_control, full_event)
+
+    def test_random_change(self):
+        rng = random.Random(1827361)
+        for _ in range(999):
+            fields = list(TaskDelta.__annotations__.keys())
+            rng.shuffle(fields)
+            delta = TaskDelta(123)
+            attrs_set = {}
+            for field in fields[:rng.randint(0, len(fields))]:
+                if field == 'id':
+                    continue
+                # NOTE: we ignore typing, which may cause test fails on correct implementations
+                val = random.randint(0, 99999)
+                setattr(delta, field, val)
+                attrs_set[field] = val
+
+            task_data_control = TaskData(123, 234, 444, 333, TaskState.GENERATING, 'nope', True, 345, 'floo', 'flee', 'nonde', 456, 567, 0.51423, 678, 789, 890, {'karrr'},)
+            task_data = TaskData(123, 234, 444, 333, TaskState.GENERATING, 'nope', True, 345, 'floo', 'flee', 'nonde', 456, 567, 0.51423, 678, 789, 890, {'karrr'},)
+            event_list = [
+                TasksUpdated(
+                    12345,
+                    TaskBatchData(
+                        12345,
+                        {
+                            123: task_data,
+                        }
+                    )
+                ),
+                TasksChanged(
+                    12345,
+                    [
+                        delta
+                    ]
+                )
+            ]
+
+            collapsed_data = collapse_task_event_list(event_list)
+            self.assertIsNotNone(collapsed_data)
+
+            # ensure that original event was not changed
+            self.assertEqual(task_data_control, task_data)
+
+            self.assertSetEqual({123}, set(collapsed_data.tasks.keys()))
+            for field in TaskDelta.__annotations__.keys():
+                if field in attrs_set:
+                    expected_val = attrs_set[field]
+                else:
+                    expected_val = getattr(task_data_control, field)
+
+                self.assertEqual(expected_val, getattr(collapsed_data.tasks[123], field), f'fail in "{field}" field')