def installPlugin(self, key, quiet=False):
""" Install given plugin """
error = False
infoString = ('', '')
plugin = plugins.all()[key]
previousStatus = plugin["status"]
if not plugin:
return
if plugin["status"] == "newer" and not plugin[
"error"]: # ask for confirmation if user downgrades an usable plugin
if QMessageBox.warning(
iface.mainWindow(),
self.tr("QGIS Python Plugin Installer"),
self.
tr("Are you sure you want to downgrade the plugin to the latest available version? The installed one is newer!"
), QMessageBox.Yes, QMessageBox.No) == QMessageBox.No:
return
dlg = QgsPluginInstallerInstallingDialog(iface.mainWindow(), plugin)
dlg.exec_()
if dlg.result():
error = True
infoString = (self.tr("Plugin installation failed"), dlg.result())
elif not QDir(qgis.utils.home_plugin_path + "/" + key).exists():
error = True
infoString = (
self.tr("Plugin has disappeared"),
self.
tr("The plugin seems to have been installed but I don't know where. Probably the plugin package contained a wrong named directory.\nPlease search the list of installed plugins. I'm nearly sure you'll find the plugin there, but I just can't determine which of them it is. It also means that I won't be able to determine if this plugin is installed and inform you about available updates. However the plugin may work. Please contact the plugin author and submit this issue."
))
QApplication.setOverrideCursor(Qt.WaitCursor)
plugins.getAllInstalled()
plugins.rebuild()
self.exportPluginsToManager()
QApplication.restoreOverrideCursor()
else:
QApplication.setOverrideCursor(Qt.WaitCursor)
# update the list of plugins in plugin handling routines
updateAvailablePlugins()
# try to load the plugin
loadPlugin(plugin["id"])
plugins.getAllInstalled(testLoad=True)
plugins.rebuild()
plugin = plugins.all()[key]
if not plugin["error"]:
if previousStatus in ["not installed", "new"]:
infoString = (self.tr("Plugin installed successfully"), "")
if startPlugin(plugin["id"]):
settings = QSettings()
settings.setValue("/PythonPlugins/" + plugin["id"],
True)
else:
settings = QSettings()
if settings.value(
"/PythonPlugins/" + key, False, type=bool
): # plugin will be reloaded on the fly only if currently loaded
reloadPlugin(
key) # unloadPlugin + loadPlugin + startPlugin
infoString = (
self.tr("Plugin reinstalled successfully"), "")
else:
unloadPlugin(
key
) # Just for a case. Will exit quietly if really not loaded
loadPlugin(key)
infoString = (
self.tr("Plugin reinstalled successfully"),
self.
tr("Python plugin reinstalled.\nYou need to restart QGIS in order to reload it."
))
if quiet:
infoString = (None, None)
QApplication.restoreOverrideCursor()
else:
QApplication.restoreOverrideCursor()
if plugin["error"] == "incompatible":
message = self.tr(
"The plugin is not compatible with this version of QGIS. It's designed for QGIS versions:"
)
message += " <b>" + plugin["error_details"] + "</b>"
elif plugin["error"] == "dependent":
message = self.tr(
"The plugin depends on some components missing on your system. You need to install the following Python module in order to enable it:"
)
message += "<b> " + plugin["error_details"] + "</b>"
else:
message = self.tr("The plugin is broken. Python said:")
message += "<br><b>" + plugin["error_details"] + "</b>"
dlg = QgsPluginInstallerPluginErrorDialog(
iface.mainWindow(), message)
dlg.exec_()
if dlg.result():
# revert installation
pluginDir = qgis.utils.home_plugin_path + "/" + plugin["id"]
result = removeDir(pluginDir)
if QDir(pluginDir).exists():
error = True
infoString = (self.tr("Plugin uninstall failed"),
result)
try:
exec("sys.path_importer_cache.clear()")
exec("import %s" % plugin["id"])
exec("reload (%s)" % plugin["id"])
except:
pass
else:
try:
exec("del sys.modules[%s]" % plugin["id"])
except:
pass
plugins.getAllInstalled()
plugins.rebuild()
self.exportPluginsToManager()
if infoString[0]:
level = error and QgsMessageBar.CRITICAL or QgsMessageBar.INFO
msg = "<b>%s:</b>%s" % (infoString[0], infoString[1])
iface.pluginManagerInterface().pushMessage(msg, level)
def installPlugin(self, key, quiet=False):
""" Install given plugin """
error = False
infoString = ('','')
plugin = plugins.all()[key]
previousStatus = plugin["status"]
if not plugin:
return
if plugin["status"] == "newer" and not plugin["error"]: # ask for confirmation if user downgrades an usable plugin
if QMessageBox.warning(iface.mainWindow(), self.tr("QGIS Python Plugin Installer"), self.tr("Are you sure you want to downgrade the plugin to the latest available version? The installed one is newer!"), QMessageBox.Yes, QMessageBox.No) == QMessageBox.No:
return
dlg = QgsPluginInstallerInstallingDialog(iface.mainWindow(),plugin)
dlg.exec_()
if dlg.result():
error = True
infoString = (self.tr("Plugin installation failed"), dlg.result())
elif not QDir( qgis.utils.home_plugin_path + "/" + key ).exists():
error = True
infoString = (self.tr("Plugin has disappeared"), self.tr("The plugin seems to have been installed but I don't know where. Probably the plugin package contained a wrong named directory.\nPlease search the list of installed plugins. I'm nearly sure you'll find the plugin there, but I just can't determine which of them it is. It also means that I won't be able to determine if this plugin is installed and inform you about available updates. However the plugin may work. Please contact the plugin author and submit this issue."))
QApplication.setOverrideCursor(Qt.WaitCursor)
plugins.getAllInstalled()
plugins.rebuild()
self.exportPluginsToManager()
QApplication.restoreOverrideCursor()
else:
QApplication.setOverrideCursor(Qt.WaitCursor)
# update the list of plugins in plugin handling routines
updateAvailablePlugins()
# try to load the plugin
loadPlugin(plugin["id"])
plugins.getAllInstalled(testLoad=True)
plugins.rebuild()
plugin = plugins.all()[key]
if not plugin["error"]:
if previousStatus in ["not installed", "new"]:
infoString = (self.tr("Plugin installed successfully"), "")
if startPlugin(plugin["id"]):
settings = QSettings()
settings.setValue("/PythonPlugins/"+plugin["id"], True)
else:
settings = QSettings()
if settings.value("/PythonPlugins/"+key, False, type=bool): # plugin will be reloaded on the fly only if currently loaded
reloadPlugin(key) # unloadPlugin + loadPlugin + startPlugin
infoString = (self.tr("Plugin reinstalled successfully"), "")
else:
unloadPlugin(key) # Just for a case. Will exit quietly if really not loaded
loadPlugin(key)
infoString = (self.tr("Plugin reinstalled successfully"), self.tr("Python plugin reinstalled.\nYou need to restart QGIS in order to reload it."))
if quiet:
infoString = (None, None)
QApplication.restoreOverrideCursor()
else:
QApplication.restoreOverrideCursor()
if plugin["error"] == "incompatible":
message = self.tr("The plugin is not compatible with this version of QGIS. It's designed for QGIS versions:")
message += " <b>" + plugin["error_details"] + "</b>"
elif plugin["error"] == "dependent":
message = self.tr("The plugin depends on some components missing on your system. You need to install the following Python module in order to enable it:")
message += "<b> " + plugin["error_details"] + "</b>"
else:
message = self.tr("The plugin is broken. Python said:")
message += "<br><b>" + plugin["error_details"] + "</b>"
dlg = QgsPluginInstallerPluginErrorDialog(iface.mainWindow(), message)
dlg.exec_()
if dlg.result():
# revert installation
pluginDir = qgis.utils.home_plugin_path + "/" + plugin["id"]
removeDir(pluginDir)
if QDir(pluginDir).exists():
error = True
infoString = (self.tr("Plugin uninstall failed"), result)
try:
exec ("sys.path_importer_cache.clear()")
exec ("import %s" % plugin["id"])
exec ("reload (%s)" % plugin["id"])
except:
pass
else:
try:
exec ("del sys.modules[%s]" % plugin["id"])
except:
pass
plugins.getAllInstalled()
plugins.rebuild()
self.exportPluginsToManager()
if infoString[0]:
level = error and QgsMessageBar.CRITICAL or QgsMessageBar.INFO
msg = "<b>%s:</b>%s" % (infoString[0], infoString[1])
iface.pluginManagerInterface().pushMessage(msg, level)