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jeedom.py
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jeedom.py
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# This file is part of Jeedom.
#
# Jeedom is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Jeedom is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Jeedom. If not, see <http://www.gnu.org/licenses/>.
#
import time
import logging
import threading
import requests
import datetime
try:
from collections.abc import Mapping
except ImportError:
from collections import Mapping
import serial
import os
from os.path import join
import socket
from queue import Queue
import socketserver
from socketserver import (TCPServer, StreamRequestHandler)
import signal
import unicodedata
import pyudev
# ------------------------------------------------------------------------------
class jeedom_com():
def __init__(self,apikey = '',url = '',cycle = 0.5,retry = 3):
self.apikey = apikey
self.url = url
self.cycle = cycle
self.retry = retry
self.changes = {}
if cycle > 0 :
self.send_changes_async()
logging.info('Init request module v%s', requests.__version__)
def send_changes_async(self):
try:
if len(self.changes) == 0:
resend_changes = threading.Timer(self.cycle, self.send_changes_async)
resend_changes.start()
return
start_time = datetime.datetime.now()
changes = self.changes
self.changes = {}
logging.info('Send to jeedom: %s', changes)
i=0
while i < self.retry:
try:
r = requests.post(self.url + '?apikey=' + self.apikey, json=changes, timeout=(0.5, 120), verify=False)
if r.status_code == requests.codes.ok:
break
except Exception as error:
logging.error('Error on send request to jeedom %s retry : %i/%i', error, i, self.retry)
i = i + 1
if r.status_code != requests.codes.ok:
logging.error('Error on send request to jeedom, return code %i', r.status_code)
dt = datetime.datetime.now() - start_time
ms = (dt.days * 24 * 60 * 60 + dt.seconds) * 1000 + dt.microseconds / 1000.0
timer_duration = self.cycle - ms
if timer_duration < 0.1 :
timer_duration = 0.1
if timer_duration > self.cycle:
timer_duration = self.cycle
resend_changes = threading.Timer(timer_duration, self.send_changes_async)
resend_changes.start()
except Exception as error:
logging.error('Critical error on send_changes_async %s', error)
resend_changes = threading.Timer(self.cycle, self.send_changes_async)
resend_changes.start()
def add_changes(self,key,value):
if key.find('::') != -1:
tmp_changes = {}
changes = value
for k in reversed(key.split('::')):
if k not in tmp_changes:
tmp_changes[k] = {}
tmp_changes[k] = changes
changes = tmp_changes
tmp_changes = {}
if self.cycle <= 0:
self.send_change_immediate(changes)
else:
self.merge_dict(self.changes,changes)
else:
if self.cycle <= 0:
self.send_change_immediate({key:value})
else:
self.changes[key] = value
def send_change_immediate(self,change):
threading.Thread( target=self.thread_change,args=(change,)).start()
def thread_change(self,change):
logging.info('Send to jeedom : %s', change)
i=0
while i < self.retry:
try:
r = requests.post(self.url + '?apikey=' + self.apikey, json=change, timeout=(0.5, 120), verify=False)
if r.status_code == requests.codes.ok:
break
except Exception as error:
logging.error('Error on send request to jeedom %s retry : %i/%i', error, i, self.retry)
i = i + 1
def set_change(self,changes):
self.changes = changes
def get_change(self):
return self.changes
def merge_dict(self,d1, d2):
for k,v2 in d2.items():
v1 = d1.get(k) # returns None if v1 has no value for this key
if isinstance(v1, Mapping) and isinstance(v2, Mapping):
self.merge_dict(v1, v2)
else:
d1[k] = v2
def test(self):
try:
response = requests.get(self.url + '?apikey=' + self.apikey, verify=False)
if response.status_code != requests.codes.ok:
logging.error('Callback error: %s %s. Please check your network configuration page', response.status.code, response.status.message)
return False
except Exception as e:
logging.error('Callback result as a unknown error: %s. Please check your network configuration page', e.message)
return False
return True
# ------------------------------------------------------------------------------
class jeedom_utils():
@staticmethod
def convert_log_level(level = 'error'):
LEVELS = {'debug': logging.DEBUG,
'info': logging.INFO,
'notice': logging.WARNING,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL,
'none': logging.CRITICAL}
return LEVELS.get(level, logging.CRITICAL)
@staticmethod
def set_log_level(level = 'error'):
FORMAT = '[%(asctime)-15s][%(levelname)s] : %(message)s'
logging.basicConfig(level=jeedom_utils.convert_log_level(level),format=FORMAT, datefmt="%Y-%m-%d %H:%M:%S")
@staticmethod
def find_tty_usb(idVendor, idProduct, product = None):
context = pyudev.Context()
for device in context.list_devices(subsystem='tty'):
if 'ID_VENDOR' not in device:
continue
if device['ID_VENDOR_ID'] != idVendor:
continue
if device['ID_MODEL_ID'] != idProduct:
continue
if product is not None:
if 'ID_VENDOR' not in device or device['ID_VENDOR'].lower().find(product.lower()) == -1 :
continue
return str(device.device_node)
return None
@staticmethod
def stripped(str):
return "".join([i for i in str if i in range(32, 127)])
@staticmethod
def ByteToHex( byteStr ):
return byteStr.hex()
@staticmethod
def dec2bin(x, width=8):
return ''.join(str((x>>i)&1) for i in xrange(width-1,-1,-1))
@staticmethod
def dec2hex(dec):
if dec is None:
return '0x00'
return "0x{:02X}".format(dec)
@staticmethod
def testBit(int_type, offset):
mask = 1 << offset
return(int_type & mask)
@staticmethod
def clearBit(int_type, offset):
mask = ~(1 << offset)
return(int_type & mask)
@staticmethod
def split_len(seq, length):
return [seq[i:i+length] for i in range(0, len(seq), length)]
@staticmethod
def write_pid(path):
pid = str(os.getpid())
logging.info("Writing PID %s to %s", pid, path)
open(path, 'w').write("%s\n" % pid)
@staticmethod
def remove_accents(input_str):
nkfd_form = unicodedata.normalize('NFKD', unicode(input_str))
return u"".join([c for c in nkfd_form if not unicodedata.combining(c)])
@staticmethod
def printHex(hex):
return ' '.join([hex[i:i + 2] for i in range(0, len(hex), 2)])
# ------------------------------------------------------------------------------
class jeedom_serial():
def __init__(self,device = '',rate = '',timeout = 9,rtscts = True,xonxoff=False):
self.device = device
self.rate = rate
self.timeout = timeout
self.port = None
self.rtscts = rtscts
self.xonxoff = xonxoff
logging.info('Init serial module v%s', serial.VERSION)
def open(self):
if self.device:
logging.info("Open serial port on device: %s, rate %s, timeout: %i", self.device, self.rate, self.timeout)
else:
logging.error("Device name missing.")
return False
logging.info("Open Serialport")
try:
self.port = serial.Serial(
self.device,
self.rate,
timeout=self.timeout,
rtscts=self.rtscts,
xonxoff=self.xonxoff,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE
)
except serial.SerialException as e:
logging.error("Error: Failed to connect on device %s. Details : %s", self.device, e)
return False
if not self.port.isOpen():
self.port.open()
self.flushOutput()
self.flushInput()
return True
def close(self):
logging.info("Close serial port")
try:
self.port.close()
logging.info("Serial port closed")
return True
except:
logging.error("Failed to close the serial port (%s)", self.device)
return False
def write(self,data):
logging.info("Write data to serial port: %s", str(jeedom_utils.ByteToHex(data)))
self.port.write(data)
def flushOutput(self,):
logging.info("flushOutput serial port ")
self.port.flushOutput()
def flushInput(self):
logging.info("flushInput serial port ")
self.port.flushInput()
def read(self):
if self.port.inWaiting() != 0:
return self.port.read()
return None
def readbytes(self,number):
buf = b''
for i in range(number):
try:
byte = self.port.read()
except IOError as e:
logging.error("Error: %s", e)
except OSError as e:
logging.error("Error: %s", e)
buf += byte
return buf
# ------------------------------------------------------------------------------
JEEDOM_SOCKET_MESSAGE = Queue()
class jeedom_socket_handler(StreamRequestHandler):
def handle(self):
global JEEDOM_SOCKET_MESSAGE
logging.info("Client connected to [%s:%d]", self.client_address[0], self.client_address[1])
lg = self.rfile.readline()
JEEDOM_SOCKET_MESSAGE.put(lg)
logging.info("Message read from socket: %s", str(lg.strip()))
self.netAdapterClientConnected = False
logging.info("Client disconnected from [%s:%d]", self.client_address[0], self.client_address[1])
class jeedom_socket():
def __init__(self,address='localhost', port=55000):
self.address = address
self.port = port
socketserver.TCPServer.allow_reuse_address = True
def open(self):
self.netAdapter = TCPServer((self.address, self.port), jeedom_socket_handler)
if self.netAdapter:
logging.info("Socket interface started")
threading.Thread(target=self.loopNetServer, args=()).start()
else:
logging.info("Cannot start socket interface")
def loopNetServer(self):
logging.info("LoopNetServer Thread started")
logging.info("Listening on: [%s:%d]", self.address, self.port)
self.netAdapter.serve_forever()
logging.info("LoopNetServer Thread stopped")
def close(self):
self.netAdapter.shutdown()
def getMessage(self):
return self.message
# ------------------------------------------------------------------------------
# END
# ------------------------------------------------------------------------------