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drop python 3.7 support (#1271)

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* drop python 3.7 support

start using  PEP 572 assignment expressions

Update FAQ

improve how unsupported versions are informed

this should be clearer on why we refuse to continue

* add more asign-expressions
This commit is contained in:
Alfredo Monclus
2024-05-24 19:13:19 -03:00
committed by GitHub
parent 462d134b1e
commit 524aa0e7dc
8 changed files with 41 additions and 54 deletions
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55
screen.py
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@@ -137,10 +137,21 @@ class KlipperScreen(Gtk.Window):
self.gtk = KlippyGtk(self)
self.init_style()
self.set_icon_from_file(os.path.join(klipperscreendir, "styles", "icon.svg"))
self.base_panel = BasePanel(self, title="Base Panel")
self.add(self.base_panel.main_grid)
self.show_all()
min_ver = (3, 8)
if sys.version_info < min_ver:
self.show_error_modal(
"Error",
_("The system doesn't meet the minimum requirement") + "\n"
+ _("Minimum:") + f" Python {min_ver[0]}.{min_ver[1]}" + "\n"
+ _("System:") + f" Python {sys.version_info.major}.{sys.version_info.minor}"
)
return
if self._config.errors:
self.show_error_modal("Invalid config file", self._config.get_errors())
return
if self.show_cursor:
self.get_window().set_cursor(
Gdk.Cursor.new_for_display(Gdk.Display.get_default(), Gdk.CursorType.ARROW))
@@ -150,18 +161,9 @@ class KlipperScreen(Gtk.Window):
Gdk.Cursor.new_for_display(Gdk.Display.get_default(), Gdk.CursorType.BLANK_CURSOR))
os.system("xsetroot -cursor ks_includes/emptyCursor.xbm ks_includes/emptyCursor.xbm")
self.base_panel.activate()
if self._config.errors:
self.show_error_modal("Invalid config file", self._config.get_errors())
# Prevent this dialog from being destroyed
self.dialogs = []
self.set_screenblanking_timeout(self._config.get_main_config().get('screen_blanking'))
self.log_notification("KlipperScreen Started", 1)
self.initial_connection()
if sys.version_info == (3, 7):
GLib.timeout_add_seconds(2, self.show_popup_message,
_("Warning") + f" Python 3.7\n"
+ _("Ended official support in June 2023") + "\n"
+ _("KlipperScreen will drop support in June 2024"), 2)
def state_execute(self, state, callback):
self.close_screensaver()
@@ -396,15 +398,16 @@ class KlipperScreen(Gtk.Window):
self.popup_message = self.popup_timeout = None
return False
def show_error_modal(self, err, e=""):
logging.error(f"Showing error modal: {err} {e}")
def show_error_modal(self, title_msg, description="", help_msg=None):
logging.error(f"Showing error modal: {title_msg} {description}")
title = Gtk.Label(wrap=True, wrap_mode=Pango.WrapMode.CHAR, hexpand=True, halign=Gtk.Align.START)
title.set_markup(f"<b>{err}</b>\n")
title.set_markup(f"<b>{title_msg}</b>\n")
version = Gtk.Label(label=f"{functions.get_software_version()}", halign=Gtk.Align.END)
help_msg = _("Provide KlipperScreen.log when asking for help.\n")
message = Gtk.Label(label=f"{help_msg}\n\n{e}", wrap=True, wrap_mode=Pango.WrapMode.CHAR)
if not help_msg:
help_msg = _("Provide KlipperScreen.log when asking for help.\n")
message = Gtk.Label(label=f"{description}\n\n{help_msg}", wrap=True, wrap_mode=Pango.WrapMode.CHAR)
scroll = self.gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
scroll.add(message)
@@ -416,13 +419,13 @@ class KlipperScreen(Gtk.Window):
grid.attach(scroll, 0, 2, 2, 1)
buttons = [
{"name": _("Go Back"), "response": Gtk.ResponseType.CANCEL}
{"name": _("Close"), "response": Gtk.ResponseType.CLOSE}
]
self.gtk.Dialog(_("Error"), buttons, grid, self.error_modal_response)
def error_modal_response(self, dialog, response_id):
self.gtk.remove_dialog(dialog)
self.restart_ks()
@staticmethod
def error_modal_response(dialog, response_id):
sys.exit(1)
def restart_ks(self, *args):
logging.debug(f"Restarting {sys.executable} {' '.join(sys.argv)}")
@@ -883,8 +886,7 @@ class KlipperScreen(Gtk.Window):
if self.connected_printer is None or not devices:
return found_devices
devices = [str(i.strip()) for i in devices.split(',')]
power_devices = self.printer.get_power_devices()
if power_devices:
if power_devices := self.printer.get_power_devices():
found_devices = [dev for dev in devices if dev in power_devices]
logging.info(f"Found {found_devices}", )
return found_devices
@@ -1039,8 +1041,7 @@ class KlipperScreen(Gtk.Window):
def init_tempstore(self):
if len(self.printer.get_temp_devices()) == 0:
return
tempstore = self.apiclient.send_request("server/temperature_store")
if tempstore:
if tempstore := self.apiclient.send_request("server/temperature_store"):
self.printer.init_temp_store(tempstore)
if hasattr(self.panels[self._cur_panels[-1]], "update_graph_visibility"):
self.panels[self._cur_panels[-1]].update_graph_visibility()
@@ -1051,8 +1052,7 @@ class KlipperScreen(Gtk.Window):
if set(self.printer.tempstore) != set(self.printer.get_temp_devices()):
GLib.timeout_add_seconds(5, self.init_tempstore)
return
server_config = self.apiclient.send_request("server/config")
if server_config:
if server_config := self.apiclient.send_request("server/config"):
try:
self.printer.tempstore_size = server_config["config"]["data_store"]["temperature_store_size"]
logging.info(f"Temperature store size: {self.printer.tempstore_size}")
@@ -1138,11 +1138,6 @@ class KlipperScreen(Gtk.Window):
def main():
minimum = (3, 7)
if not sys.version_info >= minimum:
logging.error(f"python {sys.version_info.major}.{sys.version_info.minor} "
f"does not meet the minimum requirement {minimum[0]}.{minimum[1]}")
sys.exit(1)
parser = argparse.ArgumentParser(description="KlipperScreen - A GUI for Klipper")
homedir = os.path.expanduser("~")