#!/usr/bin/python
import argparse
import gi
import gettext
import time
import threading
import json
import requests
import websocket
import importlib
import logging
import os
import re
import subprocess
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk, Gdk, GLib, Pango
from jinja2 import Environment, Template
from ks_includes.KlippyWebsocket import KlippyWebsocket
from ks_includes.KlippyRest import KlippyRest
from ks_includes.files import KlippyFiles
from ks_includes.KlippyGtk import KlippyGtk
from ks_includes.printer import Printer
from ks_includes.config import KlipperScreenConfig
# Create logging
logger = logging.getLogger('KlipperScreen')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh = logging.FileHandler('/tmp/KlipperScreen.log')
fh.setLevel(logging.DEBUG)
fh.setFormatter(formatter)
ch = logging.StreamHandler()
ch.setLevel(logging.ERROR)
ch.setFormatter(formatter)
logger.addHandler(fh)
logger.addHandler(ch)
klipperscreendir = os.getcwd()
config = klipperscreendir + "/KlipperScreen.config"
logger.info("Config file: " + config)
class KlipperScreen(Gtk.Window):
""" Class for creating a screen for Klipper via HDMI """
_cur_panels = []
bed_temp_label = None
currentPanel = None
files = None
filename = ""
last_update = {}
load_panel = {}
number_tools = 1
panels = {}
popup_message = None
printer = None
rtl_languages = ['he_il']
subscriptions = []
shutdown = True
def __init__(self):
self.version = get_software_version()
logger.info("KlipperScreen version: %s" % self.version)
parser = argparse.ArgumentParser(description="KlipperScreen - A GUI for Klipper")
parser.add_argument(
"-c","--configfile", default="~/KlipperScreen.conf", metavar='<configfile>',
help="Location of KlipperScreen configuration file"
)
args = parser.parse_args()
configfile = os.path.normpath(os.path.expanduser(args.configfile))
self.lang = gettext.translation('KlipperScreen', localedir='ks_includes/locales', fallback=True)
self._config = KlipperScreenConfig(configfile, self.lang)
self.printer = Printer({
"software_version": "Unknown"
}, {
'configfile': {
'config': {}
},
'print_stats': {
'state': 'disconnected'
},
'virtual_sdcard': {
'is_active': False
}
})
self.printer.set_callbacks({
"disconnected": self.state_disconnected,
"error": self.state_error,
"printing": self.state_printing,
"ready": self.state_ready,
"startup": self.state_startup,
"shutdown": self.state_shutdown
})
logger.debug("OS Language: %s" % os.getenv('LANG'))
self.lang_ltr = True
for lang in self.rtl_languages:
if os.getenv('LANG').lower().startswith(lang):
self.lang_ltr = False
Gtk.Widget.set_default_direction(Gtk.TextDirection.RTL)
logger.debug("Enabling RTL mode")
break
_ = self.lang.gettext
self.apiclient = KlippyRest(self._config.get_main_config_option("moonraker_host"),
self._config.get_main_config_option("moonraker_port"),
self._config.get_main_config_option("moonraker_api_key", False))
powerdevs = self.apiclient.send_request("machine/device_power/devices")
if powerdevs != False:
self.printer.configure_power_devices(powerdevs['result'])
Gtk.Window.__init__(self)
self.width = self._config.get_main_config().getint("width", Gdk.Screen.get_width(Gdk.Screen.get_default()))
self.height = self._config.get_main_config().getint("height", Gdk.Screen.get_height(Gdk.Screen.get_default()))
self.set_default_size(self.width, self.height)
self.set_resizable(False)
logger.info("Screen resolution: %sx%s" % (self.width, self.height))
self.gtk = KlippyGtk(self.width, self.height)
self.init_style()
#self._load_panels()
self.printer_initializing(_("Initializing"))
self._ws = KlippyWebsocket(self,
{
"on_connect": self.init_printer,
"on_message": self._websocket_callback,
"on_close": self.printer_initializing
},
self._config.get_main_config_option("moonraker_host"),
self._config.get_main_config_option("moonraker_port")
)
self._ws.initial_connect()
# Disable DPMS
os.system("/usr/bin/xset -display :0 s off")
os.system("/usr/bin/xset -display :0 -dpms")
os.system("/usr/bin/xset -display :0 s noblank")
return
def ws_subscribe(self):
requested_updates = {
"objects": {
"bed_mesh": ["profile_name","mesh_max","mesh_min","probed_matrix"],
"configfile": ["config"],
"fan": ["speed"],
"gcode_move": ["extrude_factor","gcode_position","homing_origin","speed_factor"],
"heater_bed": ["target","temperature"],
"idle_timeout": ["state"],
"pause_resume": ["is_paused"],
"print_stats": ["print_duration","total_duration","filament_used","filename","state","message"],
"toolhead": ["homed_axes","estimated_print_time","print_time","position","extruder"],
"virtual_sdcard": ["file_position","is_active","progress"],
"webhooks": ["state","state_message"]
}
}
for extruder in self.printer.get_tools():
requested_updates['objects'][extruder] = ["target","temperature","pressure_advance","smooth_time"]
self._ws.klippy.object_subscription(requested_updates)
def _load_panel(self, panel, *args):
if not panel in self.load_panel:
logger.debug("Loading panel: %s" % panel)
panel_path = os.path.join(os.path.dirname(__file__), 'panels', "%s.py" % panel)
logger.info("Panel path: %s" % panel_path)
if not os.path.exists(panel_path):
msg = f"Panel {panel} does not exist"
logger.info(msg)
raise Exception(msg)
module = importlib.import_module("panels.%s" % panel)
if not hasattr(module, "create_panel"):
msg = f"Cannot locate create_panel function for {panel}"
logger.info(msg)
raise Exception(msg)
self.load_panel[panel] = getattr(module, "create_panel")
try:
return self.load_panel[panel](*args)
except Exception:
msg = f"Unable to create panel {panel}"
logger.exception(msg)
raise Exception(msg)
def show_panel(self, panel_name, type, title, remove=None, pop=True, **kwargs):
if panel_name not in self.panels:
self.panels[panel_name] = self._load_panel(type, self, title)
try:
if kwargs != {}:
self.panels[panel_name].initialize(panel_name, **kwargs)
else:
self.panels[panel_name].initialize(panel_name)
except:
del self.panels[panel_name]
self.show_error_modal("Unable to load panel %s" % type)
return
if hasattr(self.panels[panel_name],"process_update"):
self.panels[panel_name].process_update("notify_status_update", self.printer.get_data())
if hasattr(self.panels[panel_name],"activate"):
self.panels[panel_name].activate()
if remove == 2:
self._remove_all_panels()
elif remove == 1:
self._remove_current_panel(pop)
self.add(self.panels[panel_name].get())
self.show_all()
self._cur_panels.append(panel_name)
logger.debug("Current panel hierarchy: %s", str(self._cur_panels))
def show_popup_message(self, message):
if self.popup_message != None:
self.close_popup_message()
box = Gtk.Box()
box.get_style_context().add_class("message_popup")
box.set_size_request(self.width, self.gtk.get_header_size())
label = Gtk.Label()
if "must home axis first" in message.lower():
message = "Must home all axis first."
label.set_text(message)
close = Gtk.Button.new_with_label("X")
close.set_can_focus(False)
close.props.relief = Gtk.ReliefStyle.NONE
close.connect("clicked", self.close_popup_message)
box.pack_start(label, True, True, 0)
box.pack_end(close, False, False, 0)
box.set_halign(Gtk.Align.CENTER)
cur_panel = self.panels[self._cur_panels[-1]]
for i in ['back','estop','home']:
if i in cur_panel.control:
cur_panel.control[i].set_sensitive(False)
cur_panel.get().put(box, 0,0)
self.show_all()
self.popup_message = box
GLib.timeout_add(10000, self.close_popup_message)
return False
def close_popup_message(self, widget=None):
if self.popup_message == None:
return
cur_panel = self.panels[self._cur_panels[-1]]
for i in ['back','estop','home']:
if i in cur_panel.control:
cur_panel.control[i].set_sensitive(True)
cur_panel.get().remove(self.popup_message)
self.popup_message = None
self.show_all()
def show_error_modal(self, err):
_ = self.lang.gettext
logger.exception("Showing error modal: %s", err)
buttons = [
{"name":_("Go Back"),"response": Gtk.ResponseType.CANCEL}
]
label = Gtk.Label()
label.set_markup(("%s \n\n" % err) +
_("Check /tmp/KlipperScreen.log for more information.\nPlease submit an issue on GitHub for help."))
label.set_hexpand(True)
label.set_halign(Gtk.Align.CENTER)
label.set_line_wrap(True)
label.set_line_wrap_mode(Pango.WrapMode.WORD_CHAR)
dialog = self.gtk.Dialog(self, buttons, label, self.error_modal_response)
def error_modal_response(self, widget, response_id):
widget.destroy()
def init_style(self):
style_provider = Gtk.CssProvider()
#style_provider.load_from_path(klipperscreendir + "/style.css")
css = open(klipperscreendir + "/styles/style.css")
css_data = css.read()
css.close()
css_data = css_data.replace("KS_FONT_SIZE",str(self.gtk.get_font_size()))
style_provider = Gtk.CssProvider()
style_provider.load_from_data(css_data.encode())
Gtk.StyleContext.add_provider_for_screen(
Gdk.Screen.get_default(),
style_provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
)
def is_printing(self):
return "job_status" in self._cur_panels
def _go_to_submenu(self, widget, name):
logger.info("#### Go to submenu " + str(name))
#self._remove_current_panel(False)
# Find current menu item
panels = list(self._cur_panels)
if "main_panel" in self._cur_panels:
menu = "__main"
elif "splash_screen" in self._cur_panels:
menu = "__splashscreen"
else:
menu = "__print"
logger.info("#### Menu " + str(menu))
disname = self._config.get_menu_name(menu, name)
menuitems = self._config.get_menu_items(menu, name)
if len(menuitems) == 0:
logger.info("No items in menu, returning.")
return
self.show_panel(self._cur_panels[-1] + '_' + name, "menu", disname, 1, False, display_name=disname,
items=menuitems)
def _remove_all_panels(self):
while len(self._cur_panels) > 0:
self._remove_current_panel(True, False)
self.show_all()
def _remove_current_panel(self, pop=True, show=True):
if len(self._cur_panels) > 0:
self.remove(self.panels[self._cur_panels[-1]].get())
if pop == True:
self._cur_panels.pop()
if len(self._cur_panels) > 0:
self.add(self.panels[self._cur_panels[-1]].get())
if show == True:
self.show_all()
def _menu_go_back (self, widget=None):
logger.info("#### Menu go back")
self._remove_current_panel()
def _menu_go_home(self):
logger.info("#### Menu go home")
while len(self._cur_panels) > 1:
self._remove_current_panel()
def add_subscription (self, panel_name):
add = True
for sub in self.subscriptions:
if sub == panel_name:
return
self.subscriptions.append(panel_name)
def remove_subscription (self, panel_name):
for i in range(len(self.subscriptions)):
if self.subscriptions[i] == panel_name:
self.subscriptions.pop(i)
return
def state_disconnected(self):
_ = self.lang.gettext
logger.debug("### Going to disconnected")
self.printer_initializing(_("Klipper has disconnected"))
def state_error(self):
_ = self.lang.gettext
msg = self.printer.get_stat("webhooks","state_message")
if "FIRMWARE_RESTART" in msg:
self.printer_initializing(
_("Klipper has encountered an error.\nIssue a FIRMWARE_RESTART to attempt fixing the issue.")
)
elif "micro-controller" in msg:
self.printer_initializing(
_("Klipper has encountered an error with the micro-controller.\nPlease recompile and flash.")
)
else:
self.printer_initializing(
_("Klipper has encountered an error.")
)
def state_printing(self):
if "job_status" in self._cur_panels:
return
self.printer_printing()
def state_ready(self):
# Do not return to main menu if completing a job, timeouts/user input will return
if "job_status" in self._cur_panels or "main_menu" in self._cur_panels:
return
self.printer_ready()
def state_startup(self):
_ = self.lang.gettext
self.printer_initializing(_("Klipper is attempting to start"))
def state_shutdown(self):
_ = self.lang.gettext
self.printer_initializing(_("Klipper has shutdown"))
def _websocket_callback(self, action, data):
_ = self.lang.gettext
if action == "notify_klippy_disconnected":
logger.debug("Received notify_klippy_disconnected")
self.printer.change_state("disconnected")
return
elif action == "notify_klippy_ready":
self.printer.change_state("ready")
elif action == "notify_status_update" and self.printer.get_state() != "shutdown":
self.printer.process_update(data)
elif action == "notify_filelist_changed":
logger.debug("Filelist changed: %s", json.dumps(data,indent=2))
#self.files.add_file()
elif action == "notify_metadata_update":
self.files.request_metadata(data['filename'])
elif action == "notify_power_changed":
logger.debug("Power status changed: %s", data)
self.printer.process_power_update(data)
elif self.printer.get_state() not in ["error","shutdown"] and action == "notify_gcode_response":
if "Klipper state: Shutdown" in data:
logger.debug("Shutdown in gcode response, changing state to shutdown")
self.printer.change_state("shutdown")
if not (data.startswith("B:") and
re.search(r'B:[0-9\.]+\s/[0-9\.]+\sT[0-9]+:[0-9\.]+', data)):
if data.startswith("!! "):
self.show_popup_message(data[3:])
logger.debug(json.dumps([action, data], indent=2))
for sub in self.subscriptions:
self.panels[sub].process_update(action, data)
def _confirm_send_action(self, widget, text, method, params={}):
_ = self.lang.gettext
buttons = [
{"name":_("Continue"), "response": Gtk.ResponseType.OK},
{"name":_("Cancel"),"response": Gtk.ResponseType.CANCEL}
]
try:
env = Environment(extensions=["jinja2.ext.i18n"])
env.install_gettext_translations(self.lang)
j2_temp = env.from_string(text)
text = j2_temp.render()
except:
logger.debug("Error parsing jinja for confirm_send_action")
label = Gtk.Label()
label.set_markup(text)
label.set_hexpand(True)
label.set_halign(Gtk.Align.CENTER)
label.set_line_wrap(True)
label.set_line_wrap_mode(Pango.WrapMode.WORD_CHAR)
dialog = self.gtk.Dialog(self, buttons, label, self._confirm_send_action_response, method, params)
def _confirm_send_action_response(self, widget, response_id, method, params):
if response_id == Gtk.ResponseType.OK:
self._send_action(widget, method, params)
widget.destroy()
def _send_action(self, widget, method, params):
self._ws.send_method(method, params)
def printer_initializing(self, text=None):
self.shutdown = True
self.close_popup_message()
self.show_panel('splash_screen',"splash_screen", "Splash Screen", 2)
if text != None:
self.panels['splash_screen'].update_text(text)
self.panels['splash_screen'].show_restart_buttons()
def init_printer(self):
_ = self.lang.gettext
status_objects = [
'bed_mesh',
'idle_timeout',
'configfile',
'gcode_move',
'fan',
'toolhead',
'virtual_sdcard',
'print_stats',
'heater_bed',
'extruder',
'pause_resume',
'webhooks'
]
printer_info = self.apiclient.get_printer_info()
logger.debug("Sending request %s" % "printer/objects/query?" + "&".join(status_objects))
data = self.apiclient.send_request("printer/objects/query?" + "&".join(status_objects))
powerdevs = self.apiclient.send_request("machine/device_power/devices")
data = data['result']['status']
if self.files == None:
self.files = KlippyFiles(self)
else:
self.files.add_timeout()
# Reinitialize printer, in case the printer was shut down and anything has changed.
self.printer.reinit(printer_info['result'], data)
self.ws_subscribe()
if powerdevs != False:
self.printer.configure_power_devices(powerdevs['result'])
def printer_ready(self):
self.close_popup_message()
self.show_panel('main_panel', "main_menu", "Main Menu", 2, items=self._config.get_menu_items("__main"),
extrudercount=self.printer.get_extruder_count())
self.ws_subscribe()
if "job_status" in self.panels:
self.remove_subscription("job_status")
del self.panels["job_status"]
def printer_printing(self):
self.files.remove_timeout()
self.close_popup_message()
self.show_panel('job_status',"job_status", "Print Status", 2)
def get_software_version():
prog = ('git', '-C', os.path.dirname(__file__), 'describe', '--always',
'--tags', '--long', '--dirty')
try:
process = subprocess.Popen(prog, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
ver, err = process.communicate()
retcode = process.wait()
if retcode == 0:
version = ver.strip()
if isinstance(version, bytes):
version = version.decode()
return version
else:
logger.debug(f"Error getting git version: {err}")
except OSError:
logger.exception("Error runing git describe")
return "?"
def main():
win = KlipperScreen()
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()
if __name__ == "__main__":
try:
main()
except:
logger.exception("Fatal error in main loop")