Posts by ghoethe

#!/usr/bin/python


import os
import sys
import smtplib
from email.mime.text import MIMEText


verbose_level = 2
debug_level   = 0
error_temp = -999






# dictionary with for 1-wire sensors: [sensor name] [1-Wire device]
sensor_dict = { 'VornOben':'28-000004c4dfe0',
                'VornUnten':'28-000004e0a730',
                'HintenOben':'28-000004e0b498',
                'HintenUnten':'28-000004e10f1c',
                'Erde':'28-000004e0f4c2'
                }


#---------------------------------------------------------------------------------------------
def read_sensor(Sensor):


    if verbose_level > 2:
        print "1++++ read_sensor()"
        print "sensor:" , Sensor
    if debug_level == 0:
        # get 1-Wire id from dictionary
        sensor_slave = str(sensor_dict.get(Sensor))
        # Open 1-wire slave file
        sensor_device = '/sys/bus/w1/devices/' + str(sensor_slave) + '/w1_slave'
        if verbose_level > 2:
            print "open: ", sensor_device
        try:
            file = open(sensor_device)
            filecontent = file.read()                         # Read content from 1-wire slave file
            file.close()                                           # Close 1-wire slave file
            stringvalue = filecontent.split("\n")[1].split(" ")[9] # Extract temperature string
            if stringvalue[0].find("YES") > 0:
               temp = error_temp
            else:
               temp = float(stringvalue[2:]) / 1000            # Convert temperature value
            # temp=str(temp)
        except IOError:
            print "PANIC read_sensor - Cannot find file >" + sensor_slave + "< in /sys/bus/w1/devices/"
            print "No sensor attached"
            print "check with > cat /sys/devices/w1_bus_master1/w1_master_slaves"
            temp=("Sensor not attached")


    return(temp) # exit function read_sensor


#---------------------------------------------------------------------------------------------
def control_sensor(Sensor,alarm_hi,alarm_lo):
   cur_temp = read_sensor(Sensor)
   print "Aktuelle Temperatur:", cur_temp, "/ Alarm High:", alarm_hi, "/ Alarm Low:", alarm_lo


   if cur_temp == error_temp:
      print "read error - CRC = NO"
   else:
         if (cur_temp > alarm_hi) or (cur_temp < alarm_lo):
            emailtext = "Sensor:" + Sensor + " / Temperatur ist: " + str(cur_temp) + " Grad Celsius"
       msg = MIMEText(emailtext)
            msg['Subject'] = 'Temperatur Alarm'
            msg['From'] = 'empfänger-mail'
            #msg['From'] = mail_from
            msg['To'] = 'empfänger-mail'
            #msg['To'] = mail_to


            s = smtplib.SMTP('smtp.gmail.com:587')
            #s = smtplib.SMTP(mail_smtp)


            s.starttls()
            s.login('absender-mail','password')
            #s.login(mail_from,mail_from_pass)
            s.sendmail('empfänger-mail',['empfänger-mail'], msg.as_string())
            #s.sendmail(mail_to,[mail_to], msg.as_string())
            s.quit()
         else:
            print "o.k."
   return; # exit function control_sensor
#---------------------------------------------------------------------------------------------


if __name__ == "__main__":
   ###  /etc/profile Umgebungsvariable festlegen
   mail_from = os.getenv("MAIL-FROM")
   mail_from_pass = os.getenv("MAIL-FROM-PASS")
   mail_to = os.getenv("MAIL-TO")
   mail_smtp = os.getenv("MAIL-SMTP")


   ### Sensor Kontrollfunktion für jeden aufrufen 1. Parameter = Alarm Höchstwert 2. Parameter = Alarm Niedrigwert
   control_sensor("VornOben",25.0,4.0)
   control_sensor("VornUnten",25.0,4.0)
   control_sensor("HintenOben",25.0,4.0)
   control_sensor("HintenUnten",25.0,4.0)
   control_sensor("Erde",25.0,4.0)
   sys.exit(0)

27.25 20.5 -10.5
Traceback (most recent call last):
  File "alarm2.py", line 89, in <module>
    body = email.mime.Text.MIMEText(cur_temp)
  File "/usr/lib/python2.7/email/mime/text.py", line 30, in __init__
    self.set_payload(_text, _charset)
  File "/usr/lib/python2.7/email/message.py", line 226, in set_payload
    self.set_charset(charset)
  File "/usr/lib/python2.7/email/message.py", line 268, in set_charset
    cte(self)
  File "/usr/lib/python2.7/email/encoders.py", line 73, in encode_7or8bit
    orig.encode('ascii')
AttributeError: 'float' object has no attribute 'encode'

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# read 1-wire sensor
# in case of value exceeding alarm limit
# send email via smtp
# 2013-06-06 V0.1 by Thomas Hoeser
#


import sys
import smtplib




# For guessing MIME type
import mimetypes


# Import the email modules we'll need
import email
import email.mime.application


verbose_level = 2
debug_level   = 0
error_temp = -999






# dictionary with for 1-wire sensors: [sensor name] [1-Wire device]
sensor_dict = {    "Wohnzimmer": "28-00000487bb70",
                "Balkon"    : "28-00000487bb70",
                "Speicher"  : "28-000004be39a5"
                }
#---------------------------------------------------------------------------------------------
def read_sensor(Sensor):


    if verbose_level > 2:
        print "1++++ read_sensor()"
        print "sensor:" , Sensor
    if debug_level == 0:
        # get 1-Wire id from dictionary
        sensor_slave = Sensor
        # Open 1-wire slave file
        sensor_device = '/sys/bus/w1/devices/28-000004c4dfe0/w1_slave'
        if verbose_level > 2:
            print "open: ", sensor_device
        try:
            file = open(sensor_device)
            filecontent = file.read()                         # Read content from 1-wire slave file
            file.close()                                           # Close 1-wire slave file
            stringvalue = filecontent.split("\n")[1].split(" ")[9] # Extract temperature string
            if stringvalue[0].find("YES") > 0:
               temp = error_temp
            else:
               temp = float(stringvalue[2:]) / 1000            # Convert temperature value
            # temp=str(temp)
        except IOError:
            print "PANIC read_sensor - Cannot find file >" + sensor_slave + "< in /sys/bus/w1/devices/"
            print "No sensor attached"
            print "check with > cat /sys/devices/w1_bus_master1/w1_master_slaves"
            temp"Sensor not attached")
    #else:
        # this is dummy function generating a random number
        # ony used for testing purposes
        #temp = random.randrange(-10, 30, 2) + 0.3
        # temp = Sensor + " " + str(temp)


    return(temp) # exit function read_sensor


#---------------------------------------------------------------------------------------------
if __name__ == "__main__":


   alarm_hi = 20.5        # upper alarm level
   alarm_lo = -10.5       # lowe alarm level


   cur_temp = read_sensor("Speicher")
   print cur_temp, alarm_hi, alarm_lo


   if cur_temp == error_temp:
      print "read error - CRC = NO"
   else:
      if (cur_temp > alarm_hi) or (cur_temp < alarm_lo):


msg = email.mime.Multipart.MIMEMultipart()
msg['Subject'] = 'Temperatur Alarm'
msg['From'] = 'Absender'
msg['To'] = 'empfanger'


# The main body is just another attachment
body = email.mime.Text.MIMEText(cur_temp)
msg.attach(body)


# send via Gmail server
# NOTE: my ISP, Centurylink, seems to be automatically rewriting
# port 25 packets to be port 587 and it is trashing port 587 packets.
# So, I use the default port 25, but I authenticate.
s = smtplib.SMTP('smtp.gmail.com:587')
s.starttls()
s.login('Absender','Passwort')
s.sendmail('Empfänger',['empfanger'], msg.as_string())
s.quit()








      else:
         print "o.k."


   sys.exit(0)