Fix transcription viewer opening before transcription completes (#293)

buzz/gui.py

@@ -24,7 +24,6 @@
                              QProgressDialog, QPushButton, QVBoxLayout, QHBoxLayout, QMenu,
                              QWidget, QGroupBox, QToolBar, QTableWidget, QMenuBar, QFormLayout, QTableWidgetItem,
                              QHeaderView, QAbstractItemView, QListWidget, QListWidgetItem, QToolButton, QSizePolicy)
-from requests import get
 from whisper import tokenizer
 
 from buzz.cache import TasksCache
@@ -615,7 +614,8 @@ def on_transcriber_finished(self):
     def on_transcriber_error(self, error: str):
         self.reset_record_button()
         self.set_recording_status_stopped()
-        QMessageBox.critical(self, '', f'An error occurred while starting a new recording: {error}. Please check your audio devices or check the application logs for more information.')
+        QMessageBox.critical(self, '',
+                             f'An error occurred while starting a new recording: {error}. Please check your audio devices or check the application logs for more information.')
 
     def on_cancel_model_progress_dialog(self):
         if self.model_loader is not None:
@@ -669,7 +669,8 @@ class AboutDialog(QDialog):
     GITHUB_API_LATEST_RELEASE_URL = 'https://api.github.com/repos/chidiwilliams/buzz/releases/latest'
     GITHUB_LATEST_RELEASE_URL = 'https://github.com/chidiwilliams/buzz/releases/latest'
 
-    def __init__(self, network_access_manager: Optional[QNetworkAccessManager]=None, parent: Optional[QWidget] = None) -> None:
+    def __init__(self, network_access_manager: Optional[QNetworkAccessManager] = None,
+                 parent: Optional[QWidget] = None) -> None:
         super().__init__(parent)
 
         self.setFixedSize(200, 250)
@@ -862,7 +863,8 @@ def __init__(self, parent: Optional[QWidget]):
 
     def load_icon(self, file_path: str):
         is_dark_theme = self.palette().window().color().black() > 127
-        return self.load_icon_with_color(file_path, self.ICON_DARK_THEME_BACKGROUND if is_dark_theme else self.ICON_LIGHT_THEME_BACKGROUND)
+        return self.load_icon_with_color(file_path,
+                                         self.ICON_DARK_THEME_BACKGROUND if is_dark_theme else self.ICON_LIGHT_THEME_BACKGROUND)
 
     @staticmethod
     def load_icon_with_color(file_path: str, color: str):
@@ -878,8 +880,8 @@ def on_record_action_triggered(self):
         recording_transcriber_window = RecordingTranscriberWidget(self)
         recording_transcriber_window.exec()
 
-    def set_open_transcript_action_disabled(self, disabled: bool):
-        self.open_transcript_action.setDisabled(disabled)
+    def set_open_transcript_action_enabled(self, enabled: bool):
+        self.open_transcript_action.setEnabled(enabled)
 
     def set_clear_history_action_enabled(self, enabled: bool):
         self.clear_history_action.setEnabled(enabled)
@@ -987,8 +989,16 @@ def on_open_transcript_action_triggered(self):
         self.open_transcription_viewer(task_id)
 
     def on_table_selection_changed(self):
+        enable_open_transcript_action = self.should_enable_open_transcript_action()
+        self.toolbar.set_open_transcript_action_enabled(enable_open_transcript_action)
+
+    def should_enable_open_transcript_action(self):
         selected_rows = self.table_widget.selectionModel().selectedRows()
-        self.toolbar.set_open_transcript_action_disabled(len(selected_rows) == 0)
+        if len(selected_rows) == 1:
+            task_id = TranscriptionTasksTableWidget.find_task_id(selected_rows[0])
+            if self.tasks[task_id].status == FileTranscriptionTask.Status.COMPLETED:
+                return True
+        return False
 
     def on_table_double_clicked(self, index: QModelIndex):
         task_id = TranscriptionTasksTableWidget.find_task_id(index)
@@ -1020,6 +1030,9 @@ def on_tasks_changed(self):
         self.toolbar.set_clear_history_action_enabled(
             any([self.task_completed_or_errored(task) for task in self.tasks.values()]))
 
+        enable_open_transcript_action = self.should_enable_open_transcript_action()
+        self.toolbar.set_open_transcript_action_enabled(enable_open_transcript_action)
+
     def closeEvent(self, event: QtGui.QCloseEvent) -> None:
         self.transcriber_worker.stop()
         self.transcriber_thread.quit()
@@ -1040,7 +1053,8 @@ class HuggingFaceSearchLineEdit(LineEdit):
     model_selected = pyqtSignal(str)
     popup: QListWidget
 
-    def __init__(self, network_access_manager: Optional[QNetworkAccessManager] = None, parent: Optional[QWidget] = None):
+    def __init__(self, network_access_manager: Optional[QNetworkAccessManager] = None,
+                 parent: Optional[QWidget] = None):
         super().__init__('', parent)
 
         self.setMinimumWidth(150)

tests/gui_test.py

@@ -5,14 +5,12 @@
 
 import pytest
 import sounddevice
-from PyQt6.QtCore import QSize, Qt, QByteArray, QObject
+from PyQt6.QtCore import QSize, Qt
 from PyQt6.QtGui import QValidator, QKeyEvent
 from PyQt6.QtWidgets import QPushButton, QToolBar, QTableWidget, QApplication, QMessageBox
 from pytestqt.qtbot import QtBot
 
 from buzz.__version__ import VERSION
-
-from .mock_qt import MockNetworkAccessManager, MockNetworkReply
 from buzz.cache import TasksCache
 from buzz.gui import (AboutDialog, AdvancedSettingsDialog, AudioDevicesComboBox, DownloadModelProgressDialog,
                       FileTranscriberWidget, LanguagesComboBox, MainWindow,
@@ -24,6 +22,7 @@
 from buzz.transcriber import (FileTranscriptionOptions, FileTranscriptionTask,
                               Segment, TranscriptionOptions)
 from tests.mock_sounddevice import MockInputStream
+from .mock_qt import MockNetworkAccessManager, MockNetworkReply
 
 
 class TestLanguagesComboBox:
@@ -161,24 +160,34 @@ def test_should_run_transcription_task(self, qtbot: QtBot, tasks_cache):
         window = MainWindow(tasks_cache=tasks_cache)
         qtbot.add_widget(window)
 
-        toolbar: QToolBar = window.findChild(QToolBar)
-        new_transcription_action = [action for action in toolbar.actions() if action.text() == 'New Transcription'][0]
-
         with patch('PyQt6.QtWidgets.QFileDialog.getOpenFileNames') as open_file_names_mock:
             open_file_names_mock.return_value = ([get_test_asset('whisper-french.mp3')], '')
+            new_transcription_action = self.get_toolbar_action(window, 'New Transcription')
             new_transcription_action.trigger()
 
         file_transcriber_widget: FileTranscriberWidget = window.findChild(FileTranscriberWidget)
         run_button: QPushButton = file_transcriber_widget.findChild(QPushButton)
         run_button.click()
 
-        def check_task_completed():
-            table_widget: QTableWidget = window.findChild(QTableWidget)
-            assert table_widget.rowCount() == 1
-            assert table_widget.item(0, 1).text() == 'whisper-french.mp3'
-            assert table_widget.item(0, 2).text() == 'Completed'
+        open_transcript_action = self.get_toolbar_action(window, 'Open Transcript')
+        assert open_transcript_action.isEnabled() is False
 
-        qtbot.wait_until(check_task_completed, timeout=60 * 1000)
+        def assert_task_completed():
+            _table_widget: QTableWidget = window.findChild(QTableWidget)
+            assert _table_widget.rowCount() == 1
+            assert _table_widget.item(0, 1).text() == 'whisper-french.mp3'
+            assert _table_widget.item(0, 2).text() == 'Completed'
+
+        qtbot.wait_until(assert_task_completed, timeout=60 * 1000)
+
+        table_widget: QTableWidget = window.findChild(QTableWidget)
+        table_widget.setCurrentIndex(table_widget.indexFromItem(table_widget.item(0, 1)))
+        assert open_transcript_action.isEnabled()
+
+    @staticmethod
+    def get_toolbar_action(window: MainWindow, text: str):
+        toolbar: QToolBar = window.findChild(QToolBar)
+        return [action for action in toolbar.actions() if action.text() == text][0]
 
 
 class TestFileTranscriberWidget: