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webpages.py
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webpages.py
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# -*- coding: utf-8 -*-
# standard library imports
import json
import ast
import datetime
import io
import threading
import time
# local module imports
from blinker import signal
from gpio_pins import set_output
import gv
from helpers import *
from sip import template_render
import web
loggedin = signal("loggedin")
def report_login():
loggedin.send()
value_change = signal("value_change")
def report_value_change():
value_change.send()
option_change = signal("option_change")
def report_option_change():
option_change.send()
rebooted = signal("rebooted")
def report_rebooted():
rebooted.send()
station_names = signal("station_names")
def report_station_names():
station_names.send()
program_change = signal("program_change")
def report_program_change():
program_change.send()
program_added = signal("program_added")
def report_program_added():
program_added.send()
program_deleted = signal("program_deleted")
def report_program_deleted():
program_deleted.send()
program_toggled = signal("program_toggled")
def report_program_toggle(index, state):
program_toggled.send("SIP", index = index, state = state)
### Web pages ######################
class WebPage(object):
def __init__(self):
gv.cputemp = get_cpu_temp()
class ProtectedPage(WebPage):
def __init__(self):
check_login(True)
WebPage.__init__(self)
class login(WebPage):
"""Login page"""
def GET(self):
return template_render.login(signin_form())
def POST(self):
my_signin = signin_form()
if not my_signin.validates():
return template_render.login(my_signin)
else:
web.config._session.user = "admin"
report_login()
raise web.seeother("/")
class logout(WebPage):
def GET(self):
web.config._session.user = "anonymous"
web.session.Session.kill(web.config._session)
raise web.seeother("/")
class sw_restart(ProtectedPage):
"""Restart system."""
def GET(self):
restart(1)
return template_render.restarting()
###########################
#### Class Definitions ####
class home(ProtectedPage):
"""Open Home page."""
def GET(self):
return template_render.home()
class change_values(ProtectedPage):
"""Save controller values, return browser to home page."""
def GET(self):
self.change_values()
def change_values(self):
qdict = web.input()
if "rsn" in qdict and qdict["rsn"] == "1":
stop_stations()
raise web.seeother("/")
elif "en" in qdict and qdict["en"] == "0":
gv.srvals = [0] * (gv.sd["nst"]) # turn off all stations
set_output()
if "mm" in qdict and qdict["mm"] == "0":
clear_mm()
if "rd" in qdict:
if qdict["rd"]:
gv.sd["rd"] = int(float(qdict["rd"]))
gv.sd["rdst"] = round(gv.now + gv.sd["rd"] * 3600)
stop_onrain()
report_rain_delay_change()
else:
gv.sd["rd"] = 0
gv.sd["rdst"] = 0
report_rain_delay_change()
for key in list(qdict.keys()):
try:
gv.sd[key] = int(qdict[key])
except Exception:
pass
jsave(gv.sd, "sd")
report_value_change()
raise web.seeother("/") # Send browser back to home page
class view_options(ProtectedPage):
"""Open the options page for viewing and editing."""
def GET(self):
qdict = web.input()
errorCode = "none"
if "errorCode" in qdict:
errorCode = qdict["errorCode"]
return template_render.options(errorCode)
class change_options(ProtectedPage):
"""Save changes to options made on the options page."""
def GET(self):
self.change_options()
def POST(self):
self.change_options()
def change_options(self):
qdict = web.input()
print(qdict)
for i in range(gv.sd["nbrd"]): # capture master associations
if "m" + str(i) in qdict:
try:
gv.sd["mo"][i] = int(qdict["m" + str(i)])
except ValueError:
gv.sd["mo"][i] = 0
if "i" + str(i) in qdict:
try:
gv.sd["ir"][i] = int(qdict["i" + str(i)])
except ValueError:
gv.sd["ir"][i] = 0
if "w" + str(i) in qdict:
try:
gv.sd["iw"][i] = int(qdict["w" + str(i)])
except ValueError:
gv.sd["iw"][i] = 0
if "sh" + str(i) in qdict:
try:
gv.sd["show"][i] = int(qdict["sh" + str(i)])
except ValueError:
gv.sd["show"][i] = 255
if "d" + str(i) in qdict:
try:
gv.sd["show"][i] = ~int(qdict["d" + str(i)]) & 255
except ValueError:
gv.sd["show"][i] = 255
names = []
for i in range(gv.sd["nst"]):
if "s" + str(i) in qdict:
names.append(qdict["s" + str(i)])
else:
names.append("S" + "{:0>2d}".format(i + 1))
gv.snames = names
jsave(names, "snames")
report_station_names()
if "opw" in qdict and qdict["opw"] != "":
try:
if password_hash(qdict["opw"]) == gv.sd["passphrase"]:
if qdict["npw"] == "":
raise web.seeother("/vo?errorCode=pw_blank")
elif qdict["cpw"] != "" and qdict["cpw"] == qdict["npw"]:
gv.sd["passphrase"] = password_hash( # Set new passphrase.
qdict["npw"]
)
else:
raise web.seeother("/vo?errorCode=pw_mismatch")
else:
raise web.seeother("/vo?errorCode=pw_wrong")
except KeyError:
pass
for f in ["name"]:
if "o" + f in qdict:
gv.sd[f] = qdict["o" + f]
for f in ["loc", "lang"]:
if "o" + f in qdict:
if f not in gv.sd or gv.sd[f] != qdict["o" + f]:
qdict["rstrt"] = "1" # force restart with change
gv.sd[f] = qdict["o" + f]
if "onbrd" in qdict:
brd_count = int(qdict["onbrd"]) + 1
if brd_count != gv.sd["nbrd"]: # number of boards has changed
brd_chng = brd_count - gv.sd["nbrd"]
self.update_scount(brd_chng)
gv.sd["nbrd"] = brd_count
gv.sd["nst"] = gv.sd["nbrd"] * 8
self.update_prog_lists("nbrd")
if "ohtp" in qdict:
if "htp" not in gv.sd or gv.sd["htp"] != int(qdict["ohtp"]):
qdict["rstrt"] = "1" # force restart with change in htp
gv.sd["htp"] = int(qdict["ohtp"])
if "oidd" in qdict:
idd_int = 1
else:
idd_int = 0
if idd_int != gv.sd["idd"]:
gv.sd["idd"] = idd_int
self.update_prog_lists("idd")
if "ohtip" in qdict:
if "htip" not in gv.sd or gv.sd["htip"] != qdict["ohtip"]:
qdict["rstrt"] = "1" # force restart with change in htip
gv.sd["htip"] = qdict["ohtip"]
for f in ["sdt", "mas", "mton", "mtoff", "wl", "lr", "tz"]:
if "o" + f in qdict:
if (f == "mton"
and (int(qdict["o" + f]) < -60
or int(qdict["o" + f]) > 60)
): # handle values less than -60 or greater than 60 (temp fix)
raise web.seeother("/vo?errorCode=mton_mismatch")
elif (
f == "mtoff"
and (int(qdict["o" + f]) < -60
or int(qdict["o" + f]) > 60)
): # handle values less than -60 or greater than 60
raise web.seeother("/vo?errorCode=mtoff_mismatch")
gv.sd[f] = int(qdict["o" + f])
if "opigpio" in qdict and (
qdict["opigpio"] == "on" or qdict["opigpio"] == "1"
):
gv.sd["pigpio"] = 1
qdict["rstrt"] = "1" # force restart with change in htip
elif not "opigpio" in qdict and (gv.sd["pigpio"] == 1):
gv.sd["pigpio"] = 0
qdict["rstrt"] = "1" # force restart with change in htip
for f in [
"upas",
"tf",
"urs",
"seq",
"rst",
"lg",
"alr",
]:
if "o" + f in qdict and (
qdict["o" + f] == "on" or qdict["o" + f] == "1"
):
gv.sd[f] = 1
else:
gv.sd[f] = 0
jsave(gv.sd, "sd")
report_option_change()
if "rbt" in qdict and qdict["rbt"] == "1":
gv.srvals = [0] * (gv.sd["nst"])
set_output()
report_rebooted()
reboot()
if "rstrt" in qdict and qdict["rstrt"] == "1":
restart(2)
raise web.seeother("/restart")
raise web.seeother("/")
@staticmethod
def update_scount(brd_chng):
"""
Increase or decrease the number of stations displayed when
number of expansion boards is changed in options.
"""
# print("changing scount", brd_chng) # - test
if brd_chng > 0: # Lengthen lists
incr = brd_chng - (gv.sd["nbrd"] - 1)
sn_incr = incr * 8
gv.sd["mo"].extend([0] * incr)
gv.sd["ir"].extend([0] * incr)
gv.sd["iw"].extend([0] * incr)
gv.sd["show"].extend([255] * incr)
gv.sbits.extend([0] * incr)
gv.srvals.extend([0] * sn_incr)
gv.ps.extend([[0, 0]] * sn_incr)
gv.rs.extend([[0, 0, 0, 0]] * sn_incr)
ln = len(gv.snames)
for i in range(sn_incr):
gv.snames.append(("S" + f"{i + 1 + ln}".zfill(2)))
elif brd_chng < 0: # Shorten lists
new_count = gv.sd["nbrd"] + brd_chng
gv.sd["mo"] = gv.sd["mo"][: new_count]
gv.sd["ir"] = gv.sd["ir"][: new_count]
gv.sd["iw"] = gv.sd["iw"][: new_count]
gv.sd["show"] = gv.sd["show"][: new_count]
newlen = gv.sd["nst"] + (brd_chng *8)
gv.srvals = gv.srvals[:newlen]
gv.ps = gv.ps[:newlen]
gv.rs = gv.rs[:newlen]
gv.snames = gv.snames[:newlen]
gv.sbits = gv.sbits[: new_count]
jsave(gv.snames, "snames")
# change_values.update_prog_lists("nbrd")
@staticmethod
def update_prog_lists(change):
"""
Increase or decrase the lengths of program "duration_sec" and "station_mask"
when number of expansion boards is changed
"""
for p in gv.pd:
if (
change == "idd"
or change == "nbrd"
): # change length of p["duration_sec"]
if not gv.sd["idd"]:
p["duration_sec"] = p["duration_sec"][:1]
if p["duration_sec"][0] == 0:
p["enabled"] = 0
else:
old_dur = None
if (
change == "idd"
and gv.sd["idd"]
and len(p["duration_sec"]) == 1 # changed from !idd -> idd
):
old_dur = p["duration_sec"][0]
p["duration_sec"][0] = 0
if gv.sd["nst"] > len(p["duration_sec"]):
p["duration_sec"].extend(
[0] * (gv.sd["nst"] - len(p["duration_sec"]))
)
if old_dur:
for b in range(
len(p["station_mask"])
): # set duration to old_dur for each active station.
for s in range(8):
if p["station_mask"][b] & 1 << s:
p["duration_sec"][b * 8 + s] = old_dur
elif gv.sd["nst"] < len(p["duration_sec"]):
p["duration_sec"] = p["duration_sec"][: gv.sd["nst"]]
if change == "nbrd": # change length of p["station_mask"]
if gv.sd["nbrd"] > len(p["station_mask"]):
p["station_mask"].extend(
[0] * (gv.sd["nbrd"] - len(p["station_mask"]))
)
elif gv.sd["nbrd"] < len(p["station_mask"]):
p["station_mask"] = p["station_mask"][: gv.sd["nbrd"]]
jsave(gv.pd, "programData")
class get_set_station(ProtectedPage):
"""Return a page containing a number representing the state of a station or all stations if 0 is entered as station number."""
def GET(self):
qdict = web.input()
sid = get_input(qdict, "sid", 0, int) - 1
bid = sid // 8
snmo = (gv.sd["mo"][bid] >> (sid % 8)) & 1 # station enables master operation
set_to = get_input(qdict, "set_to", None, int)
set_time = get_input(qdict, "set_time", 0, int)
if set_to is None:
if sid < 0:
status = "<!DOCTYPE html>\n"
status += "".join(str(x) for x in gv.srvals)
return status
elif sid < gv.sd["nbrd"] * 8:
status = "<!DOCTYPE html>\n"
status += str(gv.srvals[sid])
return status
else:
return _("Station ") + str(sid + 1) + _(" not found.")
elif gv.sd["mm"]:
if set_to: # if station is turning on
if gv.sd["seq"]:
if gv.sd["mas"] and snmo: # if a master is set
for i in range(gv.sd["nst"]): # clear running stations
if i != gv.sd["mas"] - 1: # if not mster
gv.srvals[i] = 0
gv.rs[i] = [0, 0, 0, 0]
gv.ps[i] = [0, 0]
set_output()
sb_byte = (gv.sd["mas"] - 1) // 8
gv.sbits[sb_byte] = 1 << (gv.sd["mas"] - 1) % 8
for b in range(len(gv.sbits)):
if b != sb_byte:
gv.sbits[b] = 0
else:
stop_stations()
gv.rs[sid][0] = gv.now # set start time to current time
if set_time > 0: # if an optional duration time is given
gv.rs[sid][2] = set_time
gv.rs[sid][1] = (
gv.rs[sid][0] + set_time
) # stop time = start time + duration
else:
gv.rs[sid][1] = float("inf") # stop time = infinity
gv.rs[sid][3] = 99 # set program index
gv.ps[sid][1] = set_time
gv.sd["bsy"] = 1
time.sleep(1)
else: # If station is turning off
gv.rs[sid][1] = gv.now + 1
if gv.sd["mas"]:
gv.rs[gv.sd["mas"] - 1][1] = gv.now + 1
time.sleep(1)
raise web.seeother("/")
else:
return _("Manual mode not active.")
class view_runonce(ProtectedPage):
"""Open a page to view and edit a run once program."""
def GET(self):
return template_render.runonce()
class change_runonce(ProtectedPage):
"""Start a Run Once program.
This will override any running program.
"""
def GET(self):
qdict = web.input()
if not gv.sd["en"]: # check operation status
return
gv.rovals = json.loads(qdict["t"])
run_once()
raise web.seeother("/")
class view_programs(ProtectedPage):
"""Open programs page."""
def GET(self):
return template_render.programs()
class modify_program(ProtectedPage):
"""Open page to allow program modification."""
def GET(self):
p_name = ""
qdict = web.input()
pid = int(qdict["pid"])
prog = []
if pid != -1:
mp = gv.pd[pid] # Modified program
if mp["type"] == "interval":
# Convert absolute to relative days remaining for display
rel_rem = (
((mp["day_mask"]) + mp["interval_base_day"])
- (gv.dse % mp["interval_base_day"])
) % mp["interval_base_day"]
p_name = mp["name"]
prog = str(mp).replace(" ", "") # strip out spaces
return template_render.modify(pid, prog, p_name)
class change_program(ProtectedPage):
"""Add a program or modify an existing one."""
def GET(self):
qdict = web.input()
pnum = int(qdict["pid"]) + 1 # program number
cp = json.loads(qdict["v"])
if cp["enabled"] == 0 and pnum == gv.pon: # if disabled and program is running
for i in range(len(gv.ps)):
if gv.ps[i][0] == pnum:
gv.ps[i] = [0, 0]
if gv.srvals[i]:
gv.srvals[i] = 0
for i in range(len(gv.rs)):
if gv.rs[i][3] == pnum:
gv.rs[i] = [0, 0, 0, 0]
if cp["type"] == "interval":
ref = gv.dse + cp["day_mask"] # - 128
cp["day_mask"] = ref % cp["interval_base_day"] # + 128
if qdict["pid"] == "-1": # add new program
gv.pd.append(cp)
gv.pnames.append(cp["name"])
report_program_added()
# print("program added") # - test
else:
gv.pd[int(qdict["pid"])] = cp # replace program
try:
gv.pnames[int(qdict["pid"])] = cp["name"]
except IndexError:
if len(gv.pnames) < len(gv.pd):
diff = len(gv.pd) - len(gv.pnames)
gv.pnames.extend([""] * diff)
gv.pnames[int(qdict["pid"])] = cp["name"]
report_program_change() ### add program index ###
# print("program modified") # - test
jsave(gv.pd, "programData")
raise web.seeother("/vp")
class delete_program(ProtectedPage):
"""Delete one or all existing program(s)."""
def GET(self):
qdict = web.input()
if qdict["pid"] == "-1":
del gv.pd[:]
del gv.pnames[:]
jsave(gv.pd, "programData")
else:
del gv.pd[int(qdict["pid"])]
del gv.pnames[int(qdict["pid"])]
jsave(gv.pd, "programData")
report_program_deleted() ### add program index ###
raise web.seeother("/vp")
class enable_program(ProtectedPage):
"""Activate or deactivate an existing program(s)."""
def GET(self):
qdict = web.input()
index = int(qdict["pid"])
state = int(qdict["enable"])
gv.pd[index]["enabled"] = state
jsave(gv.pd, "programData")
report_program_toggle(index, state) # send program index and state
raise web.seeother("/vp")
class view_log(ProtectedPage):
"""View Log"""
def GET(self):
records = read_log()
return template_render.log(records)
class clear_log(ProtectedPage):
"""Delete all log records"""
def GET(self):
with io.open("./data/log.json", "w") as f:
f.write("")
raise web.seeother("/vl")
class run_now(ProtectedPage):
"""Run a scheduled program now. This will override any running programs."""
def GET(self):
qdict = web.input()
run_program(int(qdict["pid"]))
report_running_program_change()
raise web.seeother("/")
class toggle_temp(ProtectedPage):
"""Change units of Raspi"s CPU temperature display on home page."""
def GET(self):
qdict = web.input()
if qdict["tunit"] == "C":
gv.sd["tu"] = "F"
else:
gv.sd["tu"] = "C"
jsave(gv.sd, "sd")
raise web.seeother("/")
class api_status(ProtectedPage):
"""Simple Status API"""
def GET(self):
statuslist = []
status = {
"systemName": gv.sd["name"],
"systemStatus": gv.sd["en"],
"waterLevel": gv.sd["wl"],
"rainDelay": gv.sd["rd"],
"mode": gv.sd["mm"]
}
statuslist.append(status)
for bid in range(0, gv.sd["nbrd"]):
for s in range(0, 8):
if (gv.sd["show"][bid] >> s) & 1 == 1:
sid = bid * 8 + s
sn = sid + 1
sname = gv.snames[sid]
sbit = (gv.sbits[bid] >> s) & 1
irbit = (gv.sd["ir"][bid] >> s) & 1
status = {
"station": sid,
"status": "disabled",
"reason": "",
"master": 0,
"programName": "",
"remaining": 0,
"name": sname,
}
if gv.sd["en"] == 1:
if sbit:
status["status"] = "on"
if not irbit:
if gv.sd["rd"] != 0:
status["reason"] = "rain_delay"
if gv.sd["urs"] != 0 and gv.sd["rs"] != 0:
status["reason"] = "rain_sensed"
if sn == gv.sd["mas"]:
status["master"] = 1
status["reason"] = "master"
else:
rem = gv.ps[sid][1]
if rem > 65536:
rem = 0
id_nr = gv.ps[sid][0]
if (gv.pon
and not gv.pon > len(gv.pnames)
):
pname = gv.pnames[gv.pon - 1]
else:
pname = "P" + str(id_nr)
if id_nr == 255 or id_nr == 99:
pname = "Manual Mode"
if id_nr == 254 or id_nr == 98:
pname = "Run-once Program"
if id_nr == 254 or id_nr == 100:
pname = "Node-red Program"
if sbit:
status["status"] = "on"
status["reason"] = "program"
status["programName"] = pname
status["remaining"] = rem
else:
if gv.ps[sid][0] == 0:
status["status"] = "off"
else:
status["status"] = "waiting"
status["reason"] = "program"
status["programName"] = pname
status["remaining"] = rem
else:
status["reason"] = "system_off"
statuslist.append(status)
web.header("Content-Type", "application/json")
return json.dumps(statuslist)
class api_log(ProtectedPage):
"""Simple Log API"""
def GET(self):
qdict = web.input()
thedate = qdict["date"]
# date parameter filters the log values returned; "yyyy-mm-dd" format
theday = datetime.date(*map(int, thedate.split("-")))
prevday = theday - datetime.timedelta(days=1)
prevdate = prevday.strftime("%Y-%m-%d")
records = read_log()
data = []
for event in records:
# return any records starting on this date
if "date" not in qdict or event["date"] == thedate:
data.append(event)
# also return any records starting the day before and completing after midnight
if event["date"] == prevdate:
duration_components = event["duration"].split(":")
duration = int(duration_components[0]);
if len(duration_components) > 2:
duration = duration*60 + int(duration_components[1])
if (
int(event["start"].split(":")[0]) * 60
+ int(event["start"].split(":")[1])
+ duration
> 24 * 60
):
data.append(event)
web.header("Content-Type", "application/json")
return json.dumps(data)
class water_log(ProtectedPage):
"""Simple Log API"""
def GET(self):
records = read_log()
data = _("Date, Start Time, Zone, Duration, Program Name, Program Index, Adjustment") + "\n"
for r in records:
event = ast.literal_eval(json.dumps(r))
if not("program_index" in event):
event["program_index"] = "n/a"
if not("adjustment" in event):
event["adjustment"] = "n/a"
data += (
event["date"]
+ ", "
+ event["start"]
+ ", "
+ str(event["station"] + 1)
+ ", "
+ event["duration"]
+ ", "
+ event["program"]
+ ", "
+ event["program_index"]
+ ", "
+ event["adjustment"]
+ "\n"
)
web.header("Content-Type", "text/csv")
return data
class showInFooter(object):
"""
Enables plugins to display e.g. sensor readings in the footer of SIP's UI
"""
def __init__(self, label = "", val = "", unit = ""):
self._label = label
self._val = val
self._unit = unit
self._idx = len(gv.pluginFtr)
gv.pluginFtr.append({"label": self._label, "val": self._val, "unit": self._unit})
@property
def clear(self):
del gv.pluginFtr[self._idx][:] # Remove elements of list but keep empty list
@property
def label(self):
if not self._label:
return "label not set"
else:
return self._label
@label.setter
def label(self, text):
self._label = text
if self._label:
gv.pluginFtr[self._idx]["label"] = self._label + ": "
@property
def val(self):
if self._val == "":
return "val not set"
else:
return self._val
@val.setter
def val(self, num):
self._val = num
if self._val:
gv.pluginFtr[self._idx]["val"] = self._val
@property
def unit(self):
if not self.unit:
return "unit not set"
else:
return self._unit
@unit.setter
def unit(self, text):
self._unit = text
gv.pluginFtr[self._idx]["unit"] = self._unit
class showOnTimeline(object):
"""
Used to display plugin data next to station time countdown on home page timeline.
use [instance name].unit = [unit name] to set unit for data e.g. "lph".
use [instance name].val = [plugin data] to display plugin data
use [instance name].clear to remove from display e.g. if station not included in plugin.
"""
def __init__(self, val = "", unit = ""):
self._val = val
self._unit = unit
self._idx = None
self._idx = len(gv.pluginStn)
gv.pluginStn.append([self._unit, self._val])
@property
def clear(self):
del gv.pluginStn[self._idx][:] # Remove elements of list but keep empty list
@property
def unit(self):
if not self.unit:
return "unit not set"
else:
return self._unit
@unit.setter
def unit(self, text):
self._unit = text
gv.pluginStn[self._idx][0] = self._unit
@property
def val(self):
if not self._val:
return "val not set"
else:
return self._val
@val.setter
def val(self, num):
self._val = num
gv.pluginStn[self._idx][1] = self._val
class plugin_data(ProtectedPage):
"""Simple plugin data api
Called through URLs as /api/plugins.
"""
def GET(self):
footer_data = []
station_data = []
data = {}
for i, v in enumerate(gv.pluginFtr):
footer_data.append((i, v["val"]))
for v in gv.pluginStn:
station_data.append(v[1])
data["fdata"] = footer_data
data["sdata"] = station_data
web.header('Content-Type', 'application/json')
return json.dumps(data, ensure_ascii=False)
class rain_sensor_state(ProtectedPage):
"""Return rain sensor state."""
def GET(self):
web.header("Content-Type", "application/json")
return gv.sd["rs"]