class pf_openhab(Singleton):
def __init__(self):
try:
if self.loadingdone:
pass
except:
self.loadingdone = True
self.logging = Logging()
settings_c = Settings()
self.openhab_server = settings_c.get_setting("main", "openhab_ip")
self.openhab_port = settings_c.get_setting("main", "openhab_port")
self.host = settings_c.get_setting("main", "hostname")
self.port = settings_c.get_setting("main", "port")
self.sitemap_name = settings_c.get_setting("main", "sitemap")
self.sitemap_name = "main" if self.sitemap_name == None else self.sitemap_name
self.resize_icons = settings_c.get_setting("main", "resize_icons")
self.iconh = 64
self.iconw = 64
self.name = "pf_openhab"
self.http = urllib3.PoolManager()
def get_pages(self, filter):
if type(filter) != list:
filter = [filter]
self.load_sitemap()
data = []
n = 0
for i in range(len(self.sitemap["homepage"]["widgets"][0]["widgets"])):
key = self.sitemap["homepage"]["widgets"][0]["widgets"][i]
found = False
for filt in filter:
if key["label"][0:len(filt)] == filt and not found:
icon_url = "/item/icon/" + key["icon"] + ".png"
data.append({
"label": key["label"],
"icon": icon_url,
"id": n
})
found = True
n += 1
return data
def get_page(self, name):
for i in range(len(self.sitemap["homepage"]["widgets"][0]["widgets"])):
key = self.sitemap["homepage"]["widgets"][0]["widgets"][i]
if key["label"] == name:
return key
def get_items(self, pagename, subpage="none", subsubpage=0):
self.load_sitemap()
page = self.get_page(pagename)
data = []
n_subp = 1
n = 0
page_type = [page["label"], page["icon"]]
for key in page["linkedPage"]["widgets"]:
n += 1
item = self.convert_item_data(key)
item["id"] = item["name"] + "__" + pagename + "__" + str(
subpage) + "__" + str(n)
if subpage == "none" or str(subpage) == "0":
if item["type"] == "Frame":
item["page"] = pagename
item["subpage"] = item["label"]
data.append(item)
elif item["type"] == "Frame" and item["label"] == subpage:
page_type[0] = page_type[0] + " / " + key["label"]
sub_n = 0
for k in key["widgets"]:
sub_n += 1
item = self.convert_item_data(k)
item["id"] = item["name"] + "__" + pagename + "__" + str(
subpage) + "__" + str(sub_n)
if item["type"] == "Frame":
item["type"] = "Text"
data.append(item)
return [data, page_type]
def load_sitemap(self):
if self.host == None or self.openhab_server == None:
#if self.openhab_server == None:
data = self.load_error_sitemap(False)
else:
try:
url = "http://" + self.openhab_server + ":" + self.openhab_port + "/rest/sitemaps/" + self.sitemap_name
#print(url)
content = self.http.request('GET', url)
data = content.data.decode("utf-8")
except:
self.logging.error(
"Error connecting to openHAB server, please check settings",
location=self.name)
data = self.load_error_sitemap(True)
data = data.replace("true", "True").replace("false", "False")
data = eval(data)
self.sitemap = data
def load_error_sitemap(self, exception):
PATH = os.path.dirname(os.path.abspath(__file__))
errorfile = PATH + "/files/error_sitemap.txt"
with open(errorfile, 'r') as f:
data = f.read()
if exception:
data = data.replace("{{HOST_CONFIG_ERROR}}", "No error detected")
data = data.replace("{{OPENHAB_CONFIG_ERROR}}",
"Error connecting to server, check settings")
else:
data = data.replace("{{HOST_CONFIG_ERROR}}", "Check settings")
data = data.replace("{{OPENHAB_CONFIG_ERROR}}", "Check settings")
data = data.replace("{{IP}}", str(self.openhab_server))
data = data.replace("{{PORT}}", str(self.openhab_port))
data = data.replace("{{SITEMAP}}", str(self.sitemap_name))
data = data.replace("{{RESIZE}}", str(self.resize_icons))
data = data.replace("{{HOST_IP}}", str(self.host))
data = data.replace("{{HOST_PORT}}", str(self.port))
return data
def get_item(self, item_name):
name, pagename, subpage, n = self.split_item_name(item_name)
#print(name, pagename, subpage, n)
item = self.get_item_data(name, pagename, subpage, n)
self.logging.debug("Item from get_item: " + str(item),
location=self.name)
return item
def get_item_data(self, item_name, pagename, subpage, n):
#search for the item
self.load_sitemap()
#print("Name: " + item_name)
o = 1
subpage_o = 1
for i in range(len(self.sitemap["homepage"]["widgets"][0]["widgets"])):
if self.sitemap["homepage"]["widgets"][0]["widgets"][i][
"label"] == pagename:
for key in self.sitemap["homepage"]["widgets"][0]["widgets"][
i]["linkedPage"]["widgets"]:
if key["label"].find("[") != -1:
comp_label = key["label"][0:key["label"].find("[")]
while comp_label[-1:] == " ":
comp_label = comp_label[0:-1]
else:
comp_label = key["label"]
try:
if key["type"] == "Frame" and (
str(subpage_o) == subpage
or comp_label == subpage):
#print(subpage)
sub_o = 0
for k in key["widgets"]:
sub_o += 1
try:
if k["item"][
"name"] == item_name and sub_o == n:
item = self.convert_item_data(k)
item["id"] = item[
"name"] + "__" + pagename + "__" + str(
subpage) + "__" + str(n)
item["page"] = pagename
item["subpage"] = str(subpage)
self.logging.debug("Item found, id: " +
item["id"],
location=self.name)
return item
except Exception as e:
self.logging.warn(
"Invalid item found in sitemap 2 %s" %
(str(e)),
location=self.name)
elif "item" in key and key["item"][
"name"] == item_name and o == n:
item = self.convert_item_data(key)
item["id"] = item[
"name"] + "__" + pagename + "__" + str(
subpage) + "__" + str(n)
item["page"] = pagename
item["subpage"] = str(subpage)
self.logging.debug("Item found, id: " + item["id"],
location=self.name)
return item
elif str(subpage) == "0" or subpage == "none":
o += 1
elif key["type"] == "Frame":
subpage_o += 1
o += 1
except Exception as e:
self.logging.warn(
"Invalid item found in sitemap 1: %s, %s" %
(str(key), str(e)),
location=self.name)
def convert_item_data(self, key):
#print(key)
item_data = {
"icon": key["icon"],
"type": key["type"],
"name": key["label"],
"state": ""
}
if "item" in key:
item_data.update({
"state": key["item"]["state"],
"link": key["item"]["link"],
"name": key["item"]["name"]
})
if key["item"]["state"] != "" and key["item"]["state"].find(
" ") == -1:
item_data["icon"] = key["icon"] + "-" + key["item"]["state"]
if "transformedState" in key["item"]:
transformedState = key["item"]["transformedState"]
if len(str(transformedState)) < 15:
item_data.update(
{"icon": key["icon"] + "-" + transformedState})
if "mappings" in key:
item_data.update({"mappings": key["mappings"]})
if "label" in key:
item_data.update({"label": key["label"]})
#### correct icon for state
try:
state = float(item_data["state"])
if state < 0.0:
item_data["icon"] = key["icon"] + "-" + str(-1 * state + 100)
except:
if item_data["state"] == "NULL":
item_data["state"] = "OFF"
item_data["icon"] = key["icon"] + "-off"
elif len(str(item_data["state"])) > 15:
item_data["icon"] = key["icon"]
#### transform state name
if item_data["label"].find("[") != -1:
label = item_data["label"][0:item_data["label"].find("[")]
while label[-1:] == " ":
label = label[0:-1]
state = item_data["label"][item_data["label"].find("[") +
1:item_data["label"].find("]")]
item_data.update({"state": state, "label": label})
if key["type"] == "Colorpicker":
if item_data["state"].lower() != "off":
item_data["state"] = self.convert_color_to_rgb(
item_data["state"])
item_data["icon"] = key["icon"] + "-on"
if len(item_data["state"].split(",")) > 2:
if item_data["state"].split(",")[2] == "0" or item_data[
"state"].split(",")[2] == "0.0":
item_data.update({
"state": "off",
"icon": key["icon"] + "-off"
})
elif key["type"] == "Selection":
item_state = ""
if len(key["mappings"]) == 1:
item_data["type"] = "Switch_single"
item_state = key["mappings"][0]["label"]
for mapp in key["mappings"]:
if mapp["command"].lower() == item_data["state"].lower():
## mappings are like [ displayed state, actual state ]
item_state = mapp["label"]
elif mapp["label"].lower() == item_data["state"].lower():
item_state = mapp[
'label'] ##sometimes a state is 0 ==> OFF, which is not mapped correctly with Off or 0
try:
##why is this?????
#print(item_state)
int(item_state)
item_data.update({"item_state": item_data["label"]})
item_data.update({"label": "_"})
except:
item_data.update({"state": item_state})
elif key["type"] == "Setpoint":
try:
step = round(float(key["step"]), 1)
if int(step) == step:
step = int(step)
item_data.update({
"setpoint":
[int(key["minValue"]),
int(key["maxValue"]), step]
})
except:
pass
elif key["type"] == "Slider":
item_data.update({"setpoint": [0, 100, 10]})
##update the icon to the right url:
if self.resize_icons == "1":
item_data["icon"] = "/item/icon/" + item_data["icon"] + ".png"
else:
item_data[
"icon"] = "http://" + self.openhab_server + ":" + self.openhab_port + "/icon/" + item_data[
"icon"] + ".png"
return item_data
def set_state(self, item_name, state):
item, pagename, subpage, n = self.split_item_name(item_name)
if state[0:5] == "Color":
state = self.convert_color_to_hsv(state[5:])
#cmd = "curl --header \"Content-Type: text/plain\" --request POST --data \"" + state+ "\" " + self.openhab_server + ":" + self.openhab_port + "/rest/items/" + item
url = "http://" + self.openhab_server + ":" + self.openhab_port + "/rest/items/" + item
headers = {'Content-Type': 'text/plain'}
requests.post(url, data=state, headers=headers)
self.logging.info("Put state openhab: " + url + " " + str(state),
location="openhab")
#os.system(cmd)
#print(cmd)
self.load_sitemap()
return self.get_item(item_name)
def get_mappings(self, item_name, occurrence=1):
##self.load_sitemap()
item = self.get_item(item_name)
mappings = []
for mapping in item["mappings"]:
mappings.append([mapping["label"], mapping["command"]])
return mappings
def convert_color_to_rgb(self, color):
if color == "":
color = "0.0,0.0,0"
color = color.split(",")
color = colorsys.hsv_to_rgb(
float(color[0]) / 360,
float(color[1]) / 100,
float(color[2]) / 100)
red = hex(int(color[0] * 255))[2:]
if len(red) < 2:
red = "0" + red
blue = hex(int(color[1] * 255))[2:]
if len(blue) < 2:
blue = "0" + blue
green = hex(int(color[2] * 255))[2:]
if len(green) < 2:
green = "0" + green
return "#" + red + blue + green
def convert_color_to_hsv(self, color):
color = colorsys.rgb_to_hsv(
float(int("0x" + color[0:2], 0)) / 255.0,
float(int("0x" + color[2:4], 0)) / 255.0,
float(int("0x" + color[4:6], 0)) / 255.0)
return str(color[0] * 360) + "," + str(color[1] * 100) + "," + str(
color[2] * 100)
def get_icon(self, name):
URL = "http://" + self.openhab_server + ":" + self.openhab_port + "/icon/" + name
response = requests.get(URL)
with Image.open(BytesIO(response.content)) as image:
imgByteArr = BytesIO()
cover = Image.Image.resize(image, [self.iconh, self.iconw])
cover.save(imgByteArr, image.format)
return imgByteArr.getvalue()
def get_chart_data(self, item, period):
try:
p = int(period[0:len(period) - 1])
except:
p = 1
if period[-1:] == "D":
dt = datetime.datetime.now() - datetime.timedelta(days=p)
elif period[-1:] == "H":
p += 1
dt = datetime.datetime.now() - datetime.timedelta(hours=p)
elif period[-1:] == "W":
dt = datetime.datetime.now() - datetime.timedelta(weeks=p)
elif period[-1:] == "M":
dt = datetime.datetime.now() - relativedelta(months=p)
start = dt.strftime("%Y-%m-%dT%H:%M:%S.000+01:00")
self.logging.info("Starting date for data: " + start,
location="openhab")
start = start.replace("+", "%2B").replace(":", "%3A")
name, pagename, subpage, n = self.split_item_name(item)
URL = "http://" + self.openhab_server + ":" + self.openhab_port + "/rest/persistence/items/" + name + "?serviceId=rrd4j&starttime=" + start
response = requests.get(URL)
## get item info
i = self.get_item(item)
if i == None:
return None
else:
if i["icon"].lower().find("temp") != -1:
typ = "temp"
elif i["icon"].lower().find("humi") != -1:
typ = "humi"
elif i["icon"].lower().find("press") != -1:
typ = "pres"
elif i["icon"].lower().find("energy") != -1:
typ = "watt"
else:
typ = "value"
return {"data": response.content, "type": typ}
def split_item_name(self, item_name):
a = item_name.split("__")
if len(a) > 1:
name = a[0]
pagename = a[1]
subpage = a[2]
n = int(a[3])
else:
return item_name
return name, pagename, subpage, n
class setting_handler(Singleton):
def __init__(self):
try:
if self.loadingdone:
pass
except:
self.loadingdone = True
self.name = "setting_handler"
self.database = main_database()
self.logging = Logging()
self.http = urllib3.PoolManager()
self.settings = {}
#self.settings["main_page"] = ["Front page", ["OpenHAB", "Weather"]]
self.settings["screen_timeout"] = [
"Screen timeout (min)", [1, 3, 5, 10, 15, 30, "off"]
]
self.settings["album_timeout"] = [
"Album timeout (hr)", [1, 3, 5, 10, 15, 30]
]
self.settings["message_timeout"] = [
"Message timeout (s)", [10, 30, 60, 120, 300]
]
self.settings["toast_timeout"] = [
"Info timeout (s)", [7, 10, 15, 20, 30]
]
self.settings["mouse"] = ["Mouse button", ["on", "off"]]
self.settings["items_per_page"] = [
"Number of items per page", [6, 8, 9, 12]
]
self.settings["sensors_per_page"] = [
"Number of sensor items per page", [6, 8, 9, 12]
]
self.settings["screen"] = ["Screen", ["on", "off"]]
self.settings["frame"] = ["Photo / Clock", ["photoframe", "clock"]]
self.settings["frame_info"] = [
"Frame Info", ["none", "load", "album", "both"]
]
self.settings["frame_td"] = [
"Frame Time/Date", ["none", "clock", "date", "both"]
]
self.settings["frame_display_time"] = [
"Photo display time",
["short", "medium", "long", "extra long"]
]
self.settings["clock_type"] = ["Clock type", ["digital", "analog"]]
self.settings["chart_period"] = [
"Default chart period",
["auto", "4 hours", "12 hours", "1 day", "3 days", "1 week"]
]
for key, item in self.settings.items():
value = self.database.data["settings"][key]
self.settings[key].append(int(value))
settings_c = Settings()
self.enable_screen_control = settings_c.get_setting(
"main", "enable_screen_control")
try:
topics = settings_c.get_setting(
"main", "mqtt_control_topic").split(",")
self.mqtt = mqtt()
for topic in topics:
self.mqtt.add_listener(topic, self,
"received_mqtt_message")
except:
self.logging.warn("Mqtt not configured for handling settings",
location="settings_handler")
if self.enable_screen_control in ["pi", "black"]:
pass
elif self.enable_screen_control == "url":
try:
self.screen_control_on_url = settings_c.get_setting(
"main", "screen_on_url")
self.screen_control_off_url = settings_c.get_setting(
"main", "screen_off_url")
self.settings["screen_control_on_url"] = [
0, 0, self.screen_control_on_url
]
self.settings["screen_control_off_url"] = [
0, 0, self.screen_control_off_url
]
except:
self.logging.error(
"Add settings 'screen_on_url' and 'screen_off_url' for external url screen control",
location="settings_handler")
self.enable_screen_control = "black"
elif self.enable_screen_control == "cmd":
try:
self.screen_control_on_cmd = settings_c.get_setting(
"main", "screen_on_cmd")
self.screen_control_off_cmd = settings_c.get_setting(
"main", "screen_off_cmd")
self.settings["screen_control_on_cmd"] = [
0, 0, self.screen_control_on_cmd
]
self.settings["screen_control_off_cmd"] = [
0, 0, self.screen_control_off_cmd
]
except:
self.logging.error(
"Add settings 'screen_on_cmd' and 'screen_off_cmd' for external command screen control",
location="settings_handler")
self.enable_screen_control = "black"
elif self.enable_screen_control != "off":
self.logging.error(
"Incorrect screen control enable settings, screen control is off",
location="settings_handler")
self.enable_screen_control = "off"
self.settings["main_enable_clock"] = [
0, 0, settings_c.get_setting("main", "enable_clock")
]
self.settings["main_enable_album"] = [
0, 0, settings_c.get_setting("main", "enable_album")
]
if settings_c.get_setting("main", "enable_album") == "0":
self.logging.warn("Album not enabled, setting frame to clock",
location="settings_handler")
self.__set_setting("frame", "clock")
elif settings_c.get_setting("main", "enable_clock") == "0":
self.logging.warn(
"clock not enabled, setting frame to photoframe",
location="settings_handler")
self.__set_setting("frame", "photoframe")
if settings_c.get_setting(
"main", "enable_clock") == "0" and settings_c.get_setting(
"main", "enable_album") == "0":
self.logging.warn(
"Album and clock not enabled, turning off screen setting",
location="settings_handler")
self.__set_setting(
"screen", "off"
) ##in this case only the screensaver determines if the screen is turned on or off
self.settings["main_screen_control"] = [
0, 0, self.enable_screen_control
]
def get_name(self):
return self.name
def setting_request(self, request):
if request[0] == "setsetting":
setting = request[1]
if setting == "screen" and self.get_setting(
"main_enable_album") == "0" and self.get_setting(
"main_enable_clock") == "0":
return [
"Enable album or clock to be able to control this setting"
]
if setting == "frame" and (
self.get_setting("main_enable_album") == "0"
or self.get_setting("main_enable_clock") == "0"):
return [
"Enable album and clock to be able to control this setting"
]
cur_value = self.settings[setting][2]
if cur_value + 1 < len(self.settings[setting][1]):
self.settings[setting][2] = cur_value + 1
else:
self.settings[setting][2] = 0
self.save_settings()
self.logging.write(
self.settings[setting][0] + ": " +
str(self.settings[setting][1][self.settings[setting][2]]),
level=2)
return [
self.settings[setting][0] + ": " +
str(self.settings[setting][1][self.settings[setting][2]])
]
elif request[0] == "getsetting":
return [str(self.get_setting(request[1]))]
def set_setting(self, setting, value):
if setting == "screen" and self.get_setting(
"main_enable_album") == "0" and self.get_setting(
"main_enable_clock") == "0":
return ["Enable album or clock to be able to control this setting"]
if setting == "frame" and (self.get_setting("main_enable_album") == "0"
or self.get_setting("main_enable_clock")
== "0"):
return [
"Enable album and clock to be able to control this setting"
]
self.__set_setting(setting, value)
def __set_setting(self, setting, value):
values = self.settings[setting][1]
self.screen_timeout_start = time.time()
for i in range(len(values)):
if values[i] == value:
self.settings[setting][2] = i
self.save_settings()
def get_settings(self):
settings = []
for key, item in self.settings.items():
if (key == "clock_type"
) and self.get_setting("main_enable_clock") == "0":
pass
elif (key == "album_timeout" or key == "frame_info"
or key == "frame_td" or key == "frame_display_time"
) and self.get_setting("main_enable_album") == "0":
pass
elif key == "frame" and (
self.get_setting("main_enable_album") == "0"
or self.get_setting("main_enable_clock") == "0"):
pass
elif key == "screen" and self.get_setting(
"main_enable_album") == "0" and self.get_setting(
"main_enable_clock") == "0":
pass
elif key == "screen" and self.enable_screen_control == "off":
pass
elif item[0] != 0:
settings.append([key, item[0], item[1][item[2]]])
return settings
def save_settings(self):
for key, item in self.settings.items():
self.database.data["settings"][key] = item[2]
self.database.save_datafile()
def get_setting(self, setting):
value = self.settings[setting][2]
if self.settings[setting][0] != 0:
return self.translate_setting(setting,
self.settings[setting][1][value])
else:
return value
def translate_setting(self, setting, value):
if setting == "frame_display_time":
timing = {
"short": 5000,
"medium": 13000,
"long": 20000,
"extra long": 60000
}
if value == 0:
return "short"
return timing[value]
elif setting == "chart_period":
period = {
"auto": "auto",
"4 hours": "4H",
"12 hours": "12H",
"1 day": "1D",
"3 days": "3D",
"1 week": "1W"
}
if value == 0:
return "auto"
return period[value]
return value
def received_mqtt_message(self, topic, payload):
try:
payload_setting = payload['setting']
for setting in self.settings:
if setting == payload_setting:
if "cmd" in topic.lower():
self.set_setting(setting, payload[setting])
self.logging.info(
"Set setting via mqtt message: %s, %s" %
(setting, payload[setting]),
location="settings_handler")
elif "state" in topic.lower():
val = self.get_setting(setting)
topic = topic[0:topic.rfind("/") + 1] + "status"
self.mqtt.publish(
topic, str({
'setting': setting,
'value': val
}))
if payload_setting == "all":
topic = topic[0:topic.rfind("/") + 1] + "status"
self.mqtt.publish(topic, str(list(self.settings.keys())))
except Exception as e:
raise Exception(e)
class item_handler():
def __init__(self):
self.openhab = pf_openhab()
self.name = "item_handler"
self.database = main_database()
self.setting_handler = setting_handler()
self.page_handler = page_handler()
self.message_handler = message_handler()
self.logging = Logging()
settings_c = Settings()
self.host = settings_c.get_setting("main", "hostname")
self.port = settings_c.get_setting("main", "port")
self.enable_clock = settings_c.get_setting("main", "enable_clock")
self.enable_album = settings_c.get_setting("main", "enable_album")
self.openhab_server = settings_c.get_setting("main", "openhab_ip")
self.openhab_port = settings_c.get_setting("main", "openhab_port")
self.http = urllib3.PoolManager()
self.timeout_message_popup = 0
self.saved_chart_periods = {}
self.screentrigger = 0
def item_request(self, request):
action = request[0]
if len(request) > 1:
item = request[1]
if action != "photoframe" and action != "popup_chart" and action != "icon":
item_info = self.openhab.get_item(item)
self.logging.debug("Item info for request: " + str(item_info),
location=self.name)
##handle a button press per type of item:
#print(item)
if action == "set":
if item_info == None:
return "none_none"
elif item_info["type"] == "Switch_single":
item_info = self.openhab.set_state(
item, item_info["mappings"][0]["command"])
elif item_info["type"] == "Switch":
if item_info["state"] == "ON":
item_info = self.openhab.set_state(item, "OFF")
else:
item_info = self.openhab.set_state(item, "ON")
return self.page_handler.create_item_button(item_info,
header=False)
elif action == "cmd":
command = request[2]
item_info = self.openhab.set_state(item, command)
if item_info == None:
return "reload_widget_popup"
elif item_info["subpage"][0:2] in ["a_", "c_", "d_", "s_"]:
return "reload_widget_popup"
else:
return self.page_handler.create_item_button(item_info,
header=False)
elif action == "popup":
if item_info == None:
return "none_none"
#return self.page_handler.create_popup("error", data = { "error": "Invalid Item" })
self.setting_handler.screen_timeout_start = time.time()
if item_info["state"][-1:] == "%":
s = item_info["state"][0:-1]
elif item_info["state"][-1:] == "C":
s = item_info["state"][0:-2]
else:
s = item_info["state"]
if item_info["type"] == "Selection":
mappings = self.openhab.get_mappings(item)
return self.page_handler.create_popup("selection",
data={
"id": item,
"mappings": mappings,
"n": len(mappings)
})
elif item_info["type"] == "Colorpicker":
return self.page_handler.create_popup("colorpicker",
data=item_info)
elif item_info["type"] == "Setpoint":
item_info["state"] = s
return self.page_handler.create_popup("setpoint",
data=item_info)
elif item_info["type"] == "Slider":
item_info["state"] = s
return self.page_handler.create_popup("slider", data=item_info)
elif item_info["type"] == "Chart":
##item_info.update( { "chart_period": request[2] } )
return self.page_handler.create_popup("chart", data=item_info)
else:
return "none_none"
elif action == "popup_chart":
data = {
"id":
item,
"periods": [["4 Hours", "4h"], ["Day", "D"], ["3 Days", "3D"],
["Week", "W"], ["2 Weeks", "2W"]]
}
return self.page_handler.create_popup("chart_period", data)
elif action == "chart_data":
data = self.get_chart_data(item, request[2].upper())
return data
elif action == "icon":
icon = self.openhab.get_icon(item)
return ["jpg", icon]
def get_chart_data(self, item, period):
default_period = self.setting_handler.get_setting("chart_period")
#print(default_period, period)
if default_period == "auto" and period.lower() == "default":
if item in self.saved_chart_periods:
period = self.saved_chart_periods[item]
else:
period = "D"
elif period.lower() == "default":
period = default_period
self.saved_chart_periods[item] = period
data = self.openhab.get_chart_data(item, period)
if data == None:
self.logging.warn("No Chart data returned for %s" % item,
location=self.name)
return "None"
d = eval(data["data"])
try:
p = int(period[0:len(period) - 1])
e = "s"
except:
p = 1
e = ""
formats = {
"H": ["%H:%M", "Hour" + e],
"D": ["%a %Hh", "Day" + e],
"W": ["%d-%m", "Week" + e],
"M": ["%d-%m", "Month" + e]
}
f = formats[period[-1:]]
db = {
"name": d["name"],
"data": [],
"labels": [],
"fill": False,
"grid": True,
"color": "red",
"xlabel": str(p) + " " + f[1],
"ylabel": "Value",
"points": 4
}
if data["type"] == "temp":
db.update({"ylabel": "Temperature (°C)"})
elif data["type"] == "humi":
db.update({"ylabel": "Humidity (%)", "color": "blue"})
elif data["type"] == "pres":
db.update({"ylabel": "Pressure (mb)", "color": "green"})
elif data["type"] == "watt":
db.update({"ylabel": "Power (W)", "fill": True, "color": "yellow"})
for i in range(len(d["data"])):
t = str(d["data"][i]["time"])
t = datetime.datetime.fromtimestamp(float(t[0:-3])).strftime(f[0])
val = "%.4f" % (float(d["data"][i]["state"]))
if i == 0 or val != db["data"][-1]:
db["data"].append(val)
db["labels"].append(t)
##do not show point when there are a lot of datapoints
if len(db["data"]) > 25:
db["points"] = 0
return json.dumps(db)
class widgets_handler:
def __init__(self):
self.openhab = pf_openhab()
self.logging = Logging()
self.name = "widget_handler"
PATH = os.path.dirname(os.path.abspath(__file__))
self.template_dir = PATH + "/../templates/"
self.imported_widget_classes = {}
def render_widget(self, page, lowerpage):
w_info = self.get_widget_info(lowerpage, main_page=page)
data = self.openhab.get_items(page, lowerpage)
item_data = self.render_item_data_for_widget(data[0])
try:
item_data = self.get_widget_data(w_info, item_data)
if "error" in item_data:
return render_template("error.html", data=item_data)
except Exception as e:
self.logging.error("Error creating widget %s" % str(e),
location=self.name)
er = self.render_widget_error(e, lowerpage)
return render_template("error.html", data={"error": str(er)})
item_data["gen_name"] = w_info["name"]
item_data["pagename"] = page
try:
self.logging.debug("Rendering widget: %s" % w_info["template"],
location=self.name)
return render_template("widgets/%s.html" %
w_info["template"].lower(),
data=item_data)
except Exception as e:
self.logging.error("Error creating widget %s" % str(e),
location=self.name)
er = self.render_widget_error(e, lowerpage)
return render_template("error.html", data={"error": str(er)})
def create_mainpage_popup(self, page, subpage, menuwidget=False):
if page == "none":
##in case the widget is on the main page
data = self.openhab.get_items(subpage, page)
else:
data = self.openhab.get_items(page, subpage)
item_data = self.render_item_data_for_widget(data[0])
if len(item_data) == 0:
#return "widget not in sitemap"
self.logging.error("Widget is not in sitemap", location=self.name)
er = self.render_widget_error("widget not in sitemap", subpage)
return render_template("popups/error.html",
data={"error": str(er)})
info = self.get_widget_info(subpage, main_page=page)
try:
item_data = self.get_widget_data(info, item_data)
if "error" in item_data:
return render_template("popups/error.html", data=item_data)
except Exception as e:
self.logging.error("Error creating widget %s" % str(e),
location=self.name)
er = self.render_widget_error(e, subpage)
if menuwidget:
return render_template("popups/error.html",
data={"error": str(er)}), "Error"
else:
return render_template("popups/error.html",
data={"error": str(er)})
item_data["page_name"] = page
item_data["widget_name"] = subpage
item_data["menuwidget"] = menuwidget
if info == None:
return render_template(
"popups/error.html",
data={
"error":
"Popup widget template for %s does not exist" %
subpage.lower()
})
elif info["template"] == "generic_button_page":
return info["template"]
else:
try:
self.logging.debug("Rendering popup widget: %s" %
info["template"],
location=self.name)
data = render_template("popup_widgets/" + info["template"] +
".html",
data=item_data)
if menuwidget:
title = self.find_var(data, "Title")
if title == None:
title = ""
return data, title
else:
return data
except Exception as e:
self.logging.error("Error creating popup widget %s" % str(e),
location=self.name)
er = self.render_widget_error(e, subpage)
if menuwidget:
return render_template("popups/error.html",
data={"error": str(er)}), "Error"
else:
return render_template("popups/error.html",
data={"error": str(er)})
def get_widget_data(self, w_info, item_data):
if w_info["name"] not in self.imported_widget_classes:
try:
a = __import__(w_info["name"] + "_widget")
self.imported_widget_classes[w_info["name"]] = getattr(
a, w_info["name"] + "_widget")()
except Exception as e:
self.logging.warn("Could not create widget %s" % str(e),
location=self.name)
self.logging.warn("Could not create widget %s" %
str(w_info["name"]),
location=self.name)
self.logging.warn("Importing normal widget",
location=self.name)
a = __import__("widget")
self.imported_widget_classes[w_info["name"]] = a.widget()
cl = self.imported_widget_classes[w_info["name"]]
item_data = cl.get_data(item_data)
return item_data
def check_widget_type(self, name):
if name[0:2] == "m_":
return "menu_button"
if name[0:2] in ["a_"]:
return "menu_popup"
if name[0:2] in ["b_"]:
return "widget_popup"
if name[0:2] in ["c_"]:
return "widget_subpage"
if name[0:2] == "s_":
info = self.get_widget_info(name)
return "widget_" + str(info["rows"])
else:
return name
def get_widget_label(self, name):
for n in ["b_"]:
if name.find(n) != -1:
return name[name.find(n) + 2:]
if name.find("[") != -1 and name.find("]") != -1:
name = name[name.find("[") + 1:name.find("]")]
return name
for n in ["m_", "a_", "b_", "c_", "d_"]:
if name.find("/ " + n) != -1:
return name[name.find("/ " + n) + 4:]
if name.find(n) != -1:
return name[name.find(n) + 2:]
i = self.get_widget_info(name)
if i == None:
return name
else:
return i["name"]
def get_widget_info(self, name, main_page="none"):
## s_ frontpage widget with possible popup widget
## a_ generic button page (with large button on frontpage
## b_ bottom page
## c_ popup widget with button
## d_ popup widget with button
## m_ generic button linking to a page instead of popup
widget_data = {}
widget_data["a_"] = {
"type": "popup_widget",
"name": name[2:],
"template": "generic_button_page"
}
if name[0:2] in widget_data:
return widget_data[name[0:2]]
else:
##try to find the info from the widget template
data = "_"
name_lower = name[2:].lower()
if name[0:2] == "s_": ##widget
f_name = self.template_dir + "widgets/" + name_lower + ".html"
if Path(f_name).is_file():
with open(f_name, 'r') as myfile:
data = myfile.read().replace('\n', '')
n = self.find_var(data, "Name")
rows = self.find_var(data, "Rows")
title = self.find_var(data, "Title")
if rows != None and n != None:
return {
"title": title,
"name": n,
"rows": int(rows),
"template": name_lower,
"type": "frontpage_widget",
"pagename": main_page
}
else: ##popup
f_name = self.template_dir + "popup_widgets/" + name_lower + ".html"
if Path(f_name).is_file():
with open(f_name, 'r') as myfile:
data = myfile.read().replace('\n', '')
n = self.find_var(data, "Name")
if n != None:
return {
"name": n,
"template": name_lower,
"type": "popup_widget",
"pagename": main_page
}
return None
def find_var(self, data, var):
if data.find(var + "=") != -1:
pos = data.find(var + "=")
pos2 = data[pos + len(var) + 1:].find("/")
return data[pos + len(var) + 1:pos + len(var) + 1 + pos2]
else:
return None
def render_item_data_for_widget(self, data):
d = {}
for dat in data:
dat["state_length"] = len(dat["state"])
d[dat["label"].lower()] = dat
return d
def render_widget_error(self, e, w):
e = str(e)
if e.find("attribute") != -1:
pos = e.find("attribute")
n = e[pos + 10:]
return "Please add an item labeled %s to the widget named %s" % (
n, str(w))
else:
return "Widget: " + str(w) + " " + str(e)
class state_handler(Singleton):
def __init__(self):
try:
if self.loadingdone:
pass
except:
self.loadingdone = True
self.openhab = pf_openhab()
self.name = "state_handler"
self.database = main_database()
self.setting_handler = setting_handler()
self.message_handler = message_handler()
self.logging = Logging()
settings_c = Settings()
self.host = settings_c.get_setting("main", "hostname")
self.port = settings_c.get_setting("main", "port")
self.http = urllib3.PoolManager()
self.timeouts = {}
self.update_timeout("screensaver", 60)
self.update_timeout("message", -1)
self.screentrigger = 0
self.screen_state = True
try:
self.im_size = settings_c.get_setting("album", "image_size")
self.album_url = settings_c.get_setting("album", "random_picture_url")
except Exception as e:
self.logging.error("Invalid album settings: " + str(e), location=self.name)
self.album_url = "none"
try:
self.album_info_url = settings_c.get_setting("album", "picture_info_url")
if self.album_info_url == None:
raise Exception("No data")
except:
self.logging.warn("No album info url", location=self.name)
self.album_info_url = "none"
def state_request(self, request):
action = request[0]
if len(request) > 1:
item = request[1]
##handle a button press per type of item:
#print(item)
if action == "photoframe":
if item == "frame":
ans = self.setting_handler.set_setting("frame", request[2])
if ans != None:
return ans[0]
return "Setting saved"
elif item == "screen":
ans = self.setting_handler.set_setting("screen", request[2])
if ans != None:
return ans[0]
return "Setting saved"
elif item == "trigger":
self.screentrigger = time.time()
self.refresh_screensaver()
self.logging.info("Triggered frame on externally", location=self.name)
return "Screen triggered"
else:
return "none_none"
elif action == "icon":
icon = self.openhab.get_icon(item)
return ["jpg", icon]
elif action == "picture":
try:
if item == "new" and self.album_url != "none":
response = requests.get(self.album_url)
with Image.open(BytesIO(response.content)) as image:
imgByteArr = BytesIO()
cover = Image.Image.resize(image, [int(self.im_size.split("x")[0]), int(self.im_size.split("x")[1])])
cover.save(imgByteArr, image.format)
return ["jpg", imgByteArr.getvalue()]
elif item == "info" and self.album_info_url != "none" and self.album_info_url != "":
content = self.http.request('GET', self.album_info_url)
return content.data.decode("utf-8")
elif item == "info":
return "no album info"
except Exception as e:
self.logging.error("Error occured in processing picture for album %s" %e, location=self.name)
return "error"
def state_check(self, request):
page = []
main_page = request[0]
subpage = "none"
if len(request) > 1:
subpage = request[1]
## get used settings
setting_album_timeout = self.setting_handler.get_setting("album_timeout") ##not used
setting_popup_timeout = self.setting_handler.get_setting("message_timeout")
setting_screen_user = self.setting_handler.get_setting("screen") ##screen on or off
main_setting_screen_control = self.setting_handler.get_setting("main_screen_control")
current_screen_state = self.get_screen_state()
screensaver_page = self.get_screensaver_page()
desired_screen_state = "off"
desired_page = "unchanged"
##reset old screen trigger
if self.screentrigger != 0 and time.time() > self.screentrigger + 5*60:
self.screentrigger = 0
##calculate desired screen state (on / off) ##switching is done depending on configuration
if main_page in ["main", "settings", "messages"]:
if self.check_timeout("screensaver") and setting_screen_user == "off":
desired_screen_state = "off"
else:
desired_screen_state = "on"
elif main_page in ["photoframe", "clock", "black"]:
desired_screen_state = setting_screen_user
## check desired screen state for messages
self.logging.debug("Unread messages: %s" %(str(self.message_handler.check_unread())), location=self.name)
self.logging.debug("Popup flag: %s" %(str(self.message_handler.get_popup_flag())), location=self.name)
if self.message_handler.check_unread() and not self.message_handler.get_popup_flag():
self.message_handler.set_popup_active(True)
self.message_handler.set_popup_flag()
self.logging.info("responding new message", location=self.name)
desired_screen_state = "on"
new_message = True ###turn on screen and make popup
elif not self.check_timeout("message"):
desired_screen_state = "on" ##keep screen on for message
new_message = False
else:
new_message = False
##calculate desired page (main, black, album or clock) ##switching is done depending on configuration
if main_page in ["main", "settings", "messages"]:
if self.check_timeout("screensaver") and setting_screen_user == "on" and screensaver_page != "main":
desired_page = screensaver_page
elif main_page == "photoframe" and screensaver_page != "album":
desired_page = screensaver_page
elif main_page == "clock" and screensaver_page != "clock":
desired_page = screensaver_page
elif main_page == "black" and setting_screen_user == "on":
desired_page = screensaver_page
self.logging.debug("Show new messages: %s" %(str(new_message)), location=self.name)
self.logging.debug("Screensaver page: %s" %(screensaver_page), location=self.name)
self.logging.debug("Desired page: %s, desired_screen_state: %s" %(desired_page, desired_screen_state), location=self.name)
self.logging.debug("Message timeout: %s, Subpage timeout: %s" %(self.check_timeout("message"), self.check_timeout("screensaver_subpage")), location=self.name)
## switch screen off is desired state is off
if desired_screen_state == "off" and main_setting_screen_control != "off" and current_screen_state: ##=="on"
return self.switch_off_screen(main_setting_screen_control)
elif desired_screen_state == "off" and current_screen_state: ##=="on"
link = self.get_desired_page_link("clock")
return [link]
elif self.screentrigger != 0:
self.toggle_screen(state = True)
self.screentrigger = 0
self.refresh_screensaver()
self.logging.info("turn on screen for trigger", location=self.name)
return ["close_return_main"]
##actions when we want the screen on
elif new_message:
if not current_screen_state:
self.toggle_screen(state = "on") ##no need for a page change
self.update_timeout("message", self.setting_handler.get_setting("message_timeout") + 2) ##in seconds
return ["new_message"]
elif self.message_handler.check_toast(): ##even if the screen is off
self.logging.write("responding new toast message", level=2, location="item_handle")
return ["new_toast"]
elif desired_screen_state == "on" and desired_page != "unchanged" and self.check_timeout("message"): ##except when there is a message popup
self.toggle_screen(state = setting_screen_user)
link = self.get_desired_page_link(desired_page)
return [link]
elif self.check_timeout("screensaver_subpage") and self.check_timeout("message") and main_page not in ["photoframe", "clock"]: ##except when there is a message popup
self.delete_timeout("screensaver_subpage")
return ["close_return_main"]
elif self.check_timeout("screensaver_subpage") and self.check_timeout("message"):
self.delete_timeout("screensaver_subpage")
##if for some reason it end here;
return ["no_actionHERE"]
def switch_off_screen(self, main_setting_screen_control):
self.toggle_screen(state = "off")
if main_setting_screen_control == "black":
link = self.get_desired_page_link("black")
return [link]
else:
link = self.get_desired_page_link("main")
return [link]
def get_screensaver_page(self):
enable_clock = self.setting_handler.get_setting("main_enable_clock")
enable_album = self.setting_handler.get_setting("main_enable_album")
setting_album_clock = self.setting_handler.get_setting("frame") ##photoframe or clock when screen is on
if enable_album == "1" and setting_album_clock == "photoframe":
return "album"
elif enable_clock == "1" and setting_album_clock == "clock":
return "clock"
else:
return "main"
def get_desired_page_link(self, page):
if page == "album":
self.logging.info("http://"+self.host+":"+self.port+"/page/photoframe", location=self.name)
return "http://"+self.host+":"+self.port+"/page/photoframe"
elif page == "clock":
type_clock = self.setting_handler.get_setting("clock_type")
self.logging.info("http://"+self.host+":"+self.port+"/page/clock/"+type_clock, location=self.name)
return "http://"+self.host+":"+self.port+"/page/clock/"+type_clock
elif page == "main":
main_setting_screen_control = self.setting_handler.enable_screen_control
self.logging.info("External screen control: %s, no action, stay on main page" %main_setting_screen_control, location=self.name)
return "http://"+self.host+":"+self.port+"/page/maindiv/screensaver"
elif page == "black":
self.logging.write("http://"+self.host+":"+self.port+"/black", level=2)
return "http://"+self.host+":"+self.port+"/page/black"
def update_timeout(self, name, delta): ##delta in seconds
self.timeouts[name] = time.time() + delta
def check_timeout(self, name):
if name in self.timeouts:
self.logging.debug(("Timeout %s: "%name).ljust(30) + str(time.ctime(int(self.timeouts[name]))), location=self.name)
if self.timeouts[name] < time.time():
return True
else:
return False
else:
return False
def delete_timeout(self, name):
if name in self.timeouts:
del self.timeouts[name]
else:
self.logging.debug("Timeout %s not deleted, not existing" %name, location=self.name)
def refresh_screensaver(self):
to = self.setting_handler.get_setting("screen_timeout")
if to == "off":
to = 24*60*300
self.logging.info("refreshing screensaver", location=self.name)
self.update_timeout("screensaver", int(to)*60)
self.delete_timeout("screensaver_subpage")
def refresh_screensaver_subpage(self):
self.refresh_screensaver()
self.logging.info("refreshing screensaver for popup", location=self.name)
self.update_timeout("screensaver_subpage", 25)
def toggle_screen(self, state = True):
screen_control = self.setting_handler.get_setting("main_screen_control")
switch = False
if str(self.screen_state) != str(state):
self.logging.info("Switching screen state: %s, %s" %(str(self.screen_state), str(state)), location=self.name)
else:
self.logging.debug("Switching screen state: %s, %s" %(str(self.screen_state), str(state)), location=self.name)
if (state == "off" or state == "0" or state == False) and self.get_screen_state() == True:
state = False
self.screen_state = False
switch = True
elif (state == "on" or state == "1" or state == True) and self.get_screen_state() == False:
state = True
self.screen_state = True
switch = True
if screen_control == "pi":
if not state:
self.logging.write("Turn off screen", level=2)
cmd = "echo 1 > /sys/class/backlight/rpi_backlight/bl_power"
os.system(cmd)
else:
self.logging.write("Turn on screen", level=2)
cmd = "echo 0 > /sys/class/backlight/rpi_backlight/bl_power"
os.system(cmd)
elif screen_control == "url" and switch:
if not state:
self.logging.info("Turn off screen via url", location=self.name)
url = self.setting_handler.get_setting("screen_control_off_url")
else:
self.logging.info("Turn on screen via url", location=self.name)
url = self.setting_handler.get_setting("screen_control_on_url")
self.logging.debug("Screensaver url: %s" %url, location=self.name)
self.http.request('GET', url)
elif screen_control == "cmd" and switch:
if not state:
self.logging.info("Turn off screen via cmd", location=self.name)
cmd = self.setting_handler.get_setting("screen_control_off_cmd")
else:
self.logging.info("Turn on screen via cmd", location=self.name)
cmd = self.setting_handler.get_setting("screen_control_on_cmd")
self.logging.debug("Screensaver cmd: %s" %cmd, location=self.name)
os.system(cmd)
def get_screen_state(self):
return self.screen_state