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youtube-analyzer.py
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youtube-analyzer.py
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import sys
import traceback
from PySide6.QtCore import (
Qt,
QFileInfo,
QSortFilterProxyModel,
QTranslator,
QLibraryInfo,
QItemSelection
)
from PySide6.QtGui import (
QKeySequence,
QIcon,
QShowEvent,
QPalette,
QColor
)
from PySide6.QtWidgets import (
QApplication,
QLineEdit,
QMainWindow,
QPushButton,
QHBoxLayout,
QVBoxLayout,
QWidget,
QTableView,
QFileDialog,
QSpinBox,
QDialog,
QGridLayout,
QLabel,
QSizePolicy,
QSpacerItem,
QMessageBox,
QCheckBox,
QSplitter,
QTextEdit,
QTabWidget
)
from PySide6.QtCharts import (
QChart
)
from defines import (
app_name,
version
)
from settings import (
Settings,
SettingsDialog
)
from model import (
ResultFields,
ResultTableModel
)
from engine import (
YoutubeGrepEngine,
YoutubeApiEngine
)
from widgets import (
VideoDetailsWidget,
AnalyticsWidget
)
from export import (
export_to_xlsx,
export_to_csv,
export_to_html
)
app_need_restart = False
class Theme:
System: int = 0
Dark: int = 1
@staticmethod
def apply(app: QApplication, theme_index: int):
if theme_index == Theme.Dark:
palette = QPalette()
palette.setColor(QPalette.Window, QColor(53, 53, 53))
palette.setColor(QPalette.WindowText, Qt.white)
palette.setColor(QPalette.Base, QColor(25, 25, 25))
palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
palette.setColor(QPalette.ToolTipBase, Qt.black)
palette.setColor(QPalette.ToolTipText, Qt.white)
palette.setColor(QPalette.Text, Qt.white)
palette.setColor(QPalette.Button, QColor(53, 53, 53))
palette.setColor(QPalette.ButtonText, Qt.white)
palette.setColor(QPalette.BrightText, Qt.red)
palette.setColor(QPalette.Link, QColor(148, 192, 236))
palette.setColor(QPalette.Highlight, QColor(19, 60, 110))
palette.setColor(QPalette.HighlightedText, Qt.white)
palette.setColor(QPalette.Active, QPalette.Button, QColor(53, 53, 53))
palette.setColor(QPalette.Disabled, QPalette.ButtonText, QColor(53, 53, 53).lighter());
palette.setColor(QPalette.Disabled, QPalette.WindowText, QColor(53, 53, 53).lighter());
palette.setColor(QPalette.Disabled, QPalette.Text, QColor(53, 53, 53).lighter());
palette.setColor(QPalette.Disabled, QPalette.Light, QColor(53, 53, 53));
app.setPalette(palette)
else:
palette = QPalette()
palette.setColor(QPalette.Link, QColor(19, 60, 110))
app.setPalette(palette)
class DontAskAgainQuestionDialog(QMessageBox):
def __init__(self, title: str, text: str, parent = None):
super().__init__(parent)
self.setWindowTitle(title)
self.setText(text)
self.setIcon(QMessageBox.Icon.Question)
self.addButton(QMessageBox.StandardButton.Yes)
self.addButton(QMessageBox.StandardButton.No)
self.setDefaultButton(QMessageBox.StandardButton.No)
self._check_box = QCheckBox(self.tr("Don't ask again"))
self.setCheckBox(self._check_box)
def is_dont_ask_again(self):
return 1 if self._check_box.isChecked() else 0
class AboutDialog(QDialog):
def __init__(self, parent = None):
super().__init__(parent)
self.setWindowTitle(self.tr("About"))
layout = QGridLayout()
layout.setSizeConstraint( QGridLayout.SizeConstraint.SetFixedSize )
row = 0
title = QLabel(app_name)
title.setStyleSheet("font-size: 14px")
layout.addWidget(title, row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel(self.tr("Software for analyzing of YouTube search output")), row, 0, 1, 2,
Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel(self.tr("Version: ") + version),
row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel(self.tr("Based on: PySide6, youtube-search-python,\n google-api-python-client, XlsxWriter, isodate.")),
row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
row += 1
vertical_spacer = QSpacerItem(1, 20, QSizePolicy.Minimum, QSizePolicy.Expanding)
layout.addItem(vertical_spacer, row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel(self.tr("Web site:")), row, 0, Qt.AlignmentFlag.AlignRight)
site = QLabel("<a href=\"https://github.com/trots/youtube-analyzer\">https://github.com/trots/youtube-analyzer</a>")
site.setOpenExternalLinks(True)
layout.addWidget(site, row, 1)
row += 1
layout.addWidget(QLabel(self.tr("License:")), row, 0, Qt.AlignmentFlag.AlignRight)
lic = QLabel("<a href=\"https://github.com/trots/youtube-analyzer/blob/master/LICENSE\">MIT License</a>")
lic.setOpenExternalLinks(True)
layout.addWidget(lic, row, 1)
row += 1
vertical_spacer = QSpacerItem(1, 20, QSizePolicy.Minimum, QSizePolicy.Expanding)
layout.addItem(vertical_spacer, row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel("Copyright 2023-2024 Alexander Trotsenko"), row, 0, 1, 2,
Qt.AlignmentFlag.AlignCenter)
row += 1
layout.addWidget(QLabel(self.tr("All rights reserved")), row, 0, 1, 2, Qt.AlignmentFlag.AlignCenter)
self.setLayout(layout)
class AuthorsDialog(QDialog):
def __init__(self, parent = None):
super().__init__(parent)
self.setWindowTitle(self.tr("Authors"))
layout = QGridLayout()
layout.setSizeConstraint( QGridLayout.SizeConstraint.SetFixedSize )
self._edit_text = QTextEdit()
self._edit_text.setReadOnly(True)
self._edit_text.append(self.tr("The YouTube Analyzer team, in alphabetical order:\n"))
self._edit_text.append("Alexander Trotsenko")
self._edit_text.append("Igor Trofimov")
self._edit_text.append("Nataliia Trotsenko")
layout.addWidget(self._edit_text, 0, 0, 1, 2,
Qt.AlignmentFlag.AlignLeft)
self.setLayout(layout)
class MainWindow(QMainWindow):
def __init__(self, settings: Settings):
super().__init__()
self._request_text = ""
self._settings = settings
self._restore_geometry_on_show = True
self.setWindowTitle(app_name + " " + version)
file_menu = self.menuBar().addMenu(self.tr("File"))
export_xlsx_action = file_menu.addAction(self.tr("Export to XLSX..."))
export_xlsx_action.triggered.connect(self._on_export_xlsx)
export_csv_action = file_menu.addAction(self.tr("Export to CSV..."))
export_csv_action.triggered.connect(self._on_export_csv)
export_html_action = file_menu.addAction(self.tr("Export to HTML..."))
export_html_action.triggered.connect(self._on_export_html)
file_menu.addSeparator()
exit_action = file_menu.addAction(self.tr("Exit"))
exit_action.setShortcut(QKeySequence(Qt.Modifier.CTRL | Qt.Key.Key_Q))
exit_action.triggered.connect(self.close)
edit_menu = self.menuBar().addMenu(self.tr("Edit"))
preferences_action = edit_menu.addAction(self.tr("Preferences..."))
preferences_action.triggered.connect(self._on_preferences)
view_menu = self.menuBar().addMenu(self.tr("View"))
self._show_details_action = view_menu.addAction(self.tr("Show details"))
self._show_details_action.setCheckable(True)
self._show_details_action.setChecked(True)
help_menu = self.menuBar().addMenu(self.tr("Help"))
authors_action = help_menu.addAction(self.tr("Authors..."))
authors_action.triggered.connect(self._on_authors)
about_action = help_menu.addAction(self.tr("About..."))
about_action.triggered.connect(self._on_about)
h_layout = QHBoxLayout()
self._search_line_edit = QLineEdit()
self._search_line_edit.setPlaceholderText(self.tr("Enter request and press 'Search'..."))
self._search_line_edit.setToolTip(self._search_line_edit.placeholderText())
self._search_line_edit.returnPressed.connect(self._on_search_clicked)
h_layout.addWidget(self._search_line_edit)
self._search_limit_spin_box = QSpinBox()
self._search_limit_spin_box.setToolTip(self.tr("Set the search result limit"))
self._search_limit_spin_box.setMinimumWidth(50)
self._search_limit_spin_box.setRange(2, 30)
request_limit = int(self._settings.get(Settings.RequestLimit))
self._search_limit_spin_box.setValue(request_limit)
h_layout.addWidget(self._search_limit_spin_box)
self._search_button = QPushButton(self.tr("Search"))
self._search_button.setToolTip(self.tr("Click to start searching"))
self._search_button.clicked.connect(self._on_search_clicked)
h_layout.addWidget(self._search_button)
self._model = ResultTableModel(self)
self._sort_model = QSortFilterProxyModel(self)
self._sort_model.setSortRole(ResultTableModel.SortRole)
self._sort_model.setSourceModel(self._model)
self._table_view = QTableView(self)
self._table_view.setModel(self._sort_model)
self._table_view.setSelectionMode(QTableView.SelectionMode.SingleSelection)
self._table_view.setSelectionBehavior(QTableView.SelectionBehavior.SelectRows)
self._table_view.setSortingEnabled(True)
self._table_view.horizontalHeader().setSectionsMovable(True)
self._table_view.selectionModel().selectionChanged.connect(self._on_table_row_changed)
self._side_tab_widget = QTabWidget()
self._side_tab_widget.setVisible(self._show_details_action.isChecked())
self._show_details_action.toggled.connect(self._side_tab_widget.setVisible)
self._details_widget = VideoDetailsWidget(self._model, self)
self._side_tab_widget.addTab(self._details_widget, self.tr("Details"))
self._analytics_widget = AnalyticsWidget(self._model, self)
self._analytics_widget.set_current_index_following(self._settings.get(Settings.AnalyticsFollowTableSelect))
if int(self._settings.get(Settings.Theme)) == Theme.Dark:
self._analytics_widget.set_charts_theme(QChart.ChartTheme.ChartThemeDark)
else:
self._analytics_widget.set_charts_theme(QChart.ChartTheme.ChartThemeLight)
self._analytics_widget.set_current_chart_index(int(self._settings.get(Settings.LastActiveChartIndex)))
self._side_tab_widget.addTab(self._analytics_widget, self.tr("Analytics"))
self._side_tab_widget.setCurrentIndex(int(self._settings.get(Settings.LastActiveDetailsTab)))
self._main_splitter = QSplitter(Qt.Orientation.Horizontal)
self._main_splitter.setChildrenCollapsible(False)
self._main_splitter.addWidget(self._table_view)
self._main_splitter.addWidget(self._side_tab_widget)
v_layout = QVBoxLayout()
v_layout.addLayout(h_layout)
v_layout.addWidget(self._main_splitter)
central_widget = QWidget()
central_widget.setLayout(v_layout)
self.setCentralWidget(central_widget)
def showEvent(self, _event: QShowEvent):
if self._restore_geometry_on_show:
# Restore window geometry
geometry = self._settings.get(Settings.MainWindowGeometry)
if not geometry.isEmpty():
self.restoreGeometry(geometry)
# Restore main splitter sizes
splitter_sizes = list(map(int, self._settings.get(Settings.MainSplitterState)))
if len(splitter_sizes) != 2 or splitter_sizes[0] == 0 or splitter_sizes[1] == 0:
window_width_part = self.width() / 5
splitter_sizes = [3 * window_width_part, 2 * window_width_part]
self._main_splitter.setSizes(splitter_sizes)
# Restore details panel visibility
self._show_details_action.setChecked(self._settings.get(Settings.DetailsVisible))
self._restore_geometry_on_show = False
self._table_view.resizeColumnsToContents()
def closeEvent(self, event):
global app_need_restart
if not app_need_restart and not int(self._settings.get(Settings.DontAskAgainExit)):
question = DontAskAgainQuestionDialog(app_name, self.tr("Exit?"))
if question.exec() == QMessageBox.StandardButton.No:
event.ignore()
return
self._settings.set(Settings.DontAskAgainExit, question.is_dont_ask_again())
event.accept()
self.save_state()
def save_state(self):
self._settings.set(Settings.MainWindowGeometry, self.saveGeometry())
self._settings.set(Settings.MainSplitterState, self._main_splitter.sizes())
self._settings.set(Settings.DetailsVisible, self._show_details_action.isChecked())
self._settings.set(Settings.LastActiveDetailsTab, self._side_tab_widget.currentIndex())
self._settings.set(Settings.LastActiveChartIndex, self._analytics_widget.get_current_chart_index())
def _on_search_clicked(self):
self._request_text = self._search_line_edit.text()
request_limit = self._search_limit_spin_box.value()
if self._request_text == "":
return
self._settings.set(Settings.RequestLimit, request_limit)
self._search_line_edit.setDisabled(True)
self._search_button.setDisabled(True)
self._table_view.setDisabled(True)
self._side_tab_widget.setDisabled(True)
QApplication.setOverrideCursor(Qt.CursorShape.BusyCursor)
self._model.clear()
self._sort_model.sort(-1)
self._details_widget.clear()
QApplication.instance().processEvents()
engine = self._create_engine()
if engine.search(self._request_text):
for i in range(len(self._model.result)):
video_idx = self._sort_model.index(i, self._model.get_field_column(ResultFields.VideoTitle))
video_item = self._model.result[i]
video_label = self._create_link_label(video_item[ResultFields.VideoLink], video_item[ResultFields.VideoTitle])
self._table_view.setIndexWidget(video_idx, video_label);
channel_idx = self._sort_model.index(i, self._model.get_field_column(ResultFields.ChannelTitle))
channel_label = self._create_link_label(video_item[ResultFields.ChannelLink], video_item[ResultFields.ChannelTitle])
self._table_view.setIndexWidget(channel_idx, channel_label);
self._table_view.resizeColumnsToContents()
else:
dialog = QMessageBox()
dialog.setWindowTitle(app_name)
dialog.setText(self.tr("Error in the searching process"))
dialog.setIcon(QMessageBox.Critical)
dialog.setDetailedText(engine.error)
dialog.exec()
QApplication.restoreOverrideCursor()
self._search_line_edit.setDisabled(False)
self._search_button.setDisabled(False)
self._table_view.setDisabled(False)
self._side_tab_widget.setDisabled(False)
def _on_table_row_changed(self, current: QItemSelection, _previous: QItemSelection):
indexes = current.indexes()
if len(indexes) > 0:
index = self._sort_model.mapToSource(indexes[0])
self._details_widget.set_current_index(index)
self._analytics_widget.set_current_index(index)
else:
self._details_widget.set_current_index(None)
self._analytics_widget.set_current_index(None)
def _get_file_path_to_export(self, caption: str, filter: str, file_suffix: str):
if self._request_text == "" or len(self._model.result) == 0:
return ""
last_save_dir = self._settings.get(Settings.LastSaveDir)
file_name = QFileDialog.getSaveFileName(self, caption=caption, filter=filter,
dir=(last_save_dir + "/" + self._request_text + file_suffix))
if not file_name[0]:
return ""
self._settings.set(Settings.LastSaveDir, QFileInfo(file_name[0]).dir().absolutePath())
return file_name[0]
def _on_export_xlsx(self):
file_path = self._get_file_path_to_export(self.tr("Save XLSX"), self.tr("Xlsx File (*.xlsx)"), ".xlsx")
if file_path:
export_to_xlsx(file_path, self._model)
def _on_export_csv(self):
file_path = self._get_file_path_to_export(self.tr("Save CSV"), self.tr("Csv File (*.csv)"), ".csv")
if file_path:
export_to_csv(file_path, self._model)
def _on_export_html(self):
file_path = self._get_file_path_to_export(self.tr("Save HTML"), self.tr("Html File (*.html)"), ".html")
if file_path:
export_to_html(file_path, self._model)
def _on_preferences(self):
global app_need_restart
dialog = SettingsDialog(self._settings)
if dialog.exec() != SettingsDialog.DialogCode.Accepted:
return
Theme.apply(QApplication.instance(), int(self._settings.get(Settings.Theme)))
if int(self._settings.get(Settings.Theme)) == Theme.Dark:
self._analytics_widget.set_charts_theme(QChart.ChartTheme.ChartThemeDark)
else:
self._analytics_widget.set_charts_theme(QChart.ChartTheme.ChartThemeLight)
self._analytics_widget.set_current_index_following(self._settings.get(Settings.AnalyticsFollowTableSelect))
if self._settings.get(Settings.AnalyticsFollowTableSelect):
self._analytics_widget.set_current_index(self._table_view.currentIndex())
if dialog.is_need_restart():
app_need_restart = True
self.close()
def _on_about(self):
dialog = AboutDialog(self)
dialog.exec()
def _on_authors(self):
dialog = AuthorsDialog(self)
dialog.exec()
def _create_engine(self):
request_limit = self._search_limit_spin_box.value()
api_key = self._settings.get(Settings.YouTubeApiKey)
if not api_key:
return YoutubeGrepEngine(self._model, request_limit)
else:
return YoutubeApiEngine(self._model, request_limit, api_key)
def _create_link_label(self, link: str, text: str):
label = QLabel("<a href=\"" + link + "\">" + text + "</a>")
label_size_policy = label.sizePolicy()
label_size_policy.setHorizontalPolicy(QSizePolicy.Policy.Expanding)
label.setSizePolicy(label_size_policy)
label.setTextFormat(Qt.TextFormat.RichText)
label.setOpenExternalLinks(True)
return label
def top_exception_handler(_exctype, value, tb):
dialog = QMessageBox(QMessageBox.Critical, app_name, str(value))
if tb:
format_exception = traceback.format_tb(tb)
for line in format_exception:
dialog.setDetailedText(str(line))
dialog.exec()
if window:
window.save_state()
app.exit(1)
sys.excepthook = top_exception_handler
app = QApplication(sys.argv)
window = None
app.setWindowIcon(QIcon("logo.png"))
app.setStyle("Fusion")
settings = Settings(app_name)
Theme.apply(app, int(settings.get(Settings.Theme)))
while True:
my_translator = QTranslator()
qt_translator = QTranslator()
if settings.get(Settings.Language) == "Ru":
my_lang = "translations/ru.qm"
qt_lang = "qtbase_ru.qm"
else:
my_lang = "translations/en.qm"
qt_lang = "qtbase_en.qm"
if my_translator.load(my_lang):
app.installTranslator(my_translator)
if qt_translator.load(qt_lang, QLibraryInfo.path(QLibraryInfo.LibraryPath.TranslationsPath)):
app.installTranslator(qt_translator)
window = MainWindow(settings)
window.resize(app.screens()[0].size() * 0.7)
window.show()
app.exec()
if app_need_restart:
app_need_restart = False
else:
break