class LogViewerDialog(DialogBase):
"""Logger widget."""
def __init__(
self,
parent=None,
log_folder=LOG_FOLDER,
log_filename=LOG_FILENAME,
):
"""
Logger widget.
Parameters
----------
log_folder: str
Folder where logs are located
log_filename: str
Basic name for the rotating log files.
"""
super(LogViewerDialog, self).__init__(parent=parent)
self._data = None
self._columns = ['level', 'time', 'module', 'method', 'message']
self._headers = [c.capitalize() for c in self._columns]
self._log_filename = log_filename
self._log_folder = log_folder
# Widgets
self.label = QLabel('Select log file:')
self.combobox = ComboBoxBase()
self.table_logs = QTableWidget(self)
self.button_copy = ButtonPrimary('Copy')
self.text_search = LineEditSearch()
# Widget setup
self.table_logs.setAttribute(Qt.WA_LayoutUsesWidgetRect, True)
horizontal_header = self.table_logs.horizontalHeader()
vertical_header = self.table_logs.verticalHeader()
horizontal_header.setStretchLastSection(True)
horizontal_header.setSectionResizeMode(QHeaderView.Fixed)
vertical_header.setSectionResizeMode(QHeaderView.Fixed)
self.table_logs.setSelectionBehavior(QTableWidget.SelectRows)
self.table_logs.setEditTriggers(QTableWidget.NoEditTriggers)
self.setWindowTitle('Log Viewer')
self.setMinimumWidth(800)
self.setMinimumHeight(500)
self.text_search.setPlaceholderText("Search...")
# Layouts
top_layout = QHBoxLayout()
top_layout.addWidget(self.label)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.combobox)
top_layout.addStretch()
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.text_search)
top_layout.addWidget(SpacerHorizontal())
top_layout.addWidget(self.button_copy)
layout = QVBoxLayout()
layout.addLayout(top_layout)
layout.addWidget(SpacerVertical())
layout.addWidget(self.table_logs)
self.setLayout(layout)
# Signals
self.combobox.currentIndexChanged.connect(self.update_text)
self.button_copy.clicked.connect(self.copy_item)
self.text_search.textChanged.connect(self.filter_text)
# Setup()
self.setup()
self.update_style_sheet()
def update_style_sheet(self, style_sheet=None):
"""Update custom CSS stylesheet."""
if style_sheet is None:
style_sheet = load_style_sheet()
self.setStyleSheet(style_sheet)
def setup(self):
"""Setup widget content."""
self.combobox.clear()
paths = log_files(
log_folder=self._log_folder,
log_filename=self._log_filename,
)
files = [os.path.basename(p) for p in paths]
self.combobox.addItems(files)
def filter_text(self):
"""Search for text in the selected log file."""
search = self.text_search.text().lower()
for i, data in enumerate(self._data):
if any(search in str(d).lower() for d in data.values()):
self.table_logs.showRow(i)
else:
self.table_logs.hideRow(i)
def row_data(self, row):
"""Give the current row data concatenated with spaces."""
data = {}
if self._data:
length = len(self._data)
if 0 >= row < length:
data = self._data[row]
return data
def update_text(self, index):
"""Update logs based on combobox selection."""
path = os.path.join(self._log_folder, self.combobox.currentText())
self._data = load_log(path)
self.table_logs.clear()
self.table_logs.setSortingEnabled(False)
self.table_logs.setRowCount(len(self._data))
self.table_logs.setColumnCount(len(self._columns))
self.table_logs.setHorizontalHeaderLabels(self._headers)
for row, data in enumerate(self._data):
for col, col_key in enumerate(self._columns):
item = QTableWidgetItem(data.get(col_key, ''))
self.table_logs.setItem(row, col, item)
for c in [0, 2, 3]:
self.table_logs.resizeColumnToContents(c)
self.table_logs.resizeRowsToContents()
self.table_logs.setSortingEnabled(True)
self.table_logs.scrollToBottom()
self.table_logs.scrollToTop()
self.table_logs.sortByColumn(1, Qt.AscendingOrder)
# Make sure there is always a selected row
self.table_logs.setCurrentCell(0, 0)
def copy_item(self):
"""Copy selected item to clipboard in markdown format."""
app = QApplication.instance()
items = self.table_logs.selectedIndexes()
if items:
rows = set(sorted(i.row() for i in items))
if self._data:
all_data = [self._data[row] for row in rows]
dump = json.dumps(all_data, sort_keys=True, indent=4)
app.clipboard().setText('```json\n' + dump + '\n```')
