100 lines
4.4 KiB
Python
100 lines
4.4 KiB
Python
from pathlib import Path
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import webbrowser
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from PyQt5 import QtCore, QtGui, QtNetwork, QtWebEngineWidgets, QtWidgets
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from PyQt5.uic import loadUi
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class Downloader(QtWidgets.QMainWindow):
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def __init__(self, tool_name, tool_info, download_directory, parent = None, flags = None):
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super().__init__(parent, flags)
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loadUi(Path(__file__).parent / "downloader.ui", baseinstance = self)
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self.hide()
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#create an off-the-record profile, isolated from other Downloader objects
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new_page = QtWebEngineWidgets.QtWebEnginePage(QtWebEngineWidgets.QWebEngineProfile(self.web_view))
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self.web_view.setPage(new_page)
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#set application style and decorate pushbuttons
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self._style = QtWidgets.QApplication.instance().style()
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self.setWindowIcon(QtWidgets.QApplication.instance().windowIcon())
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self.back_button.setIcon(self._style.standardIcon(self._style.SP_ArrowBack))
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self.forward_button.setIcon(self._style.standardIcon(self._style.SP_ArrowForward))
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self.reload_stop_button.setIcon(self._style.standardIcon(self._style.SP_BrowserReload))
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self.home_button.setIcon(self._style.standardIcon(self._style.SP_ArrowUp))
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#connect signals to make useable as a browser
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self.web_view.urlChanged.connect(lambda url: self.address_bar.setText(url.toString()))
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self.web_view.loadStarted.connect(self._reload_becomes_stop)
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self.web_view.loadFinished.connect(self._stop_becomes_reload)
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self.address_bar.returnPressed.connect(lambda: self.web_view.load(QtCore.QUrl(self.address_bar.text())))
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#connect cancel actions to handlers
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self.actionCancel.triggered.connect(self._cancel_manual_search)
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self.actionCancel_and_Open_Issue_on_Github.triggered.connect(self._cancel_manual_search_open_issue)
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#set attributes
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self._tool_name = tool_name
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self._tool_info = tool_info
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self._download_directory = download_directory
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#name window from attribute
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self.setWindowTitle(f"Find {self._tool_name}")
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#get homepage from attributes and set home button to load it
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self._home_page = tool_info["homepage"]
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self.home_button.clicked.connect(lambda: self.web_view.load(QtCore.QUrl(self._home_page)))
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def _reload_becomes_stop(self):
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"""Turns the reload button into a stop button.
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"""
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self._reload_stop_button.clicked.disconnect()
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self._reload_stop_button.clicked.connect(self.web_view.stop)
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self._reload_stop_button.setToolTip("Stop")
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self._reload_stop_button.setIcon(self._style.standardIcon(self._style.SP_BrowserStop))
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self._check_history()
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def _stop_becomes_reload(self, ok):
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"""Turns a temporary stop button back into a reload button
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Args:
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ok (bool): Received from signal indicating load was stopped without error (True) or because of error (False). Ignored.
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"""
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self._reload_stop_button.clicked.disconnect()
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self._reload_stop_button.clicked.connect(self.web_view.reload)
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self._reload_stop_button.setToolTip("Reload")
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self._reload_stop_button.setIcon(self._style.standardIcon(self._style.SP_BrowserReload))
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self._check_history()
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def _check_history(self):
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if self.web_view.history().canGoBack():
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self.back_button.setEnabled(True)
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else:
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self.back_button.setEnabled(False)
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if self.web_view.history().canGoForward():
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self.forward_button.setEnabled(True)
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else:
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self.forward_button.setEnabled(False)
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def _cancel_manual_search(self):
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self.close()
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QtCore.QThread.currentThread().exit(1)
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def _cancel_manual_search_open_issue(self):
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self.close()
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webbrowser.open_new_tab("https://github.com/norweeg/portable-computing-toolkit-installer/issues/new")
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QtCore.QThread.currentThread().exit(1)
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def begin_manual_search(self):
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self.web_view.history().clear()
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self._check_history()
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self.show()
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self.web_view.load(QtCore.QUrl(self._home_page))
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def begin_auto_search(self):
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pass
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def _download_file(self):
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pass
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class DownloadWorker(QtCore.QRunnable):
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def __init__(self, tool_name, tool_info, download_directory):
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super().__init__()
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self._downloader = Downloader(tool_name, tool_info, download_directory)
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def run(self):
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self._downloader.begin_auto_search() |