def init_config():
"""Read existing config file or create a default one"""
# If config file not exists create a default one
if not path.isfile(CONFIG_FILE):
log_info('No config file found, create default one')
config.add_section('COMMON')
config.add_section('AUTH')
config.add_section('SENSORS')
config.add_section('API')
config.set('AUTH', 'token', '')
config.set('AUTH', 'userid', '')
config.set('API', 'url', 'http://loggr.stkn.org/api/')
config.set('COMMON', 'scripts_path', 'sensors/')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
log_info('Created default config file')
return
config.read(CONFIG_FILE)
if not config.has_section('AUTH'):
config.add_section('AUTH')
if not config.has_section('SENSORS'):
config.add_section('SENSORS')
if not config.has_option('AUTH', 'token'):
config.set('AUTH', 'token', '')
if not config.has_option('AUTH', 'userid'):
config.set('AUTH', 'userid', '')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
def save_token_and_userid():
"""Save token and user id in config file
Returns:
status (str): json status code
error='format' or error='arguments" - if an error occured
status='ok' - if everything was fine
"""
config.read(CONFIG_FILE)
regex_userid = re.compile(r'^[a-z,0-9]{24}$')
regex_token = re.compile(r'^[A-Z,a-z,0-9]{64}$')
if 'token' not in request.json and 'userid' not in request.json:
log_error('missing arguments in post request')
return jsonify(error='arguments')
if 'token' in request.json:
if regex_token.match(request.json['token']) is None:
log_error('wrong format of token string')
return jsonify(error='format')
config.set('AUTH', 'token', request.json['token'])
log_info('token set in config file')
if 'userid' in request.json:
if regex_userid.match(request.json['userid']) is None:
log_error('wrong format of userid string')
return jsonify(error='format')
config.set('AUTH', 'userid', request.json['userid'])
log_info('userid set in config file')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
set_status_led(LedStatusTypes.pairing_succeeded.name)
return jsonify(status='ok')
def init_config():
"""Read existing config file or create a default one"""
# If config file not exists create a default one
if not path.isfile(CONFIG_FILE):
log_info('No config file found, create default one')
config.add_section('COMMON')
config.add_section('AUTH')
config.add_section('SENSORS')
config.add_section('API')
config.set('AUTH', 'token', '')
config.set('AUTH', 'userid', '')
config.set('API', 'url', 'http://loggr.stkn.org/api/')
config.set('COMMON', 'scripts_path', 'sensors/')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
log_info('Created default config file')
return
config.read(CONFIG_FILE)
if not config.has_section('AUTH'):
config.add_section('AUTH')
if not config.has_section('SENSORS'):
config.add_section('SENSORS')
if not config.has_option('AUTH', 'token'):
config.set('AUTH', 'token', '')
if not config.has_option('AUTH', 'userid'):
config.set('AUTH', 'userid', '')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
def save_token_and_userid():
"""Save token and user id in config file
Returns:
status (str): json status code
error='format' or error='arguments" - if an error occured
status='ok' - if everything was fine
"""
config.read(CONFIG_FILE)
regex_userid = re.compile(r'^[a-z,0-9]{24}$')
regex_token = re.compile(r'^[A-Z,a-z,0-9]{64}$')
if 'token' not in request.json and 'userid' not in request.json:
log_error('missing arguments in post request')
return jsonify(error='arguments')
if 'token' in request.json:
if regex_token.match(request.json['token']) is None:
log_error('wrong format of token string')
return jsonify(error='format')
config.set('AUTH', 'token', request.json['token'])
log_info('token set in config file')
if 'userid' in request.json:
if regex_userid.match(request.json['userid']) is None:
log_error('wrong format of userid string')
return jsonify(error='format')
config.set('AUTH', 'userid', request.json['userid'])
log_info('userid set in config file')
with open(CONFIG_FILE, 'w') as configfile:
config.write(configfile)
set_status_led(LedStatusTypes.pairing_succeeded.name)
return jsonify(status='ok')
def motion(PIR_PIN):
"""Callback function of event listener on pin 26
called on rising edge (motion detected by PIR module)
Args:
PIR_PIN (int): pin of detected event (rising edge)
"""
log_info("PIR: Motion detected")
# take_picture()
send_pictures()
sleep(60) # when detected a motion wait 1 minute to detect another one
def main():
"""Main method of pir_int.py
1. Start logging
2. Check for valid config file
3. Add event listener to pin 26, rising edge, motion() as cb function
4. loop
4a. On rising edge: call motion(), send pics to web server
"""
# declare variables as global
global token
global userid
global containers_url
global num_pics
global time_between_pics
# start logging into file 'pir.log'
logging.basicConfig(format="%(asctime)s: %(levelname)s: %(message)s", filename="pir.log", level=logging.INFO)
log_info("PIR-Logging (re)started")
print "PIR sensor script (STRG+C to exit)"
sleep(1)
# get config data
# handle config errors
if not path.isfile(CONFIG_FILE):
treat_missing_config_errors()
return
# read out config file
config.read(CONFIG_FILE)
# Check if config file contains options url
if (
not config.has_option("AUTH", "token")
or not config.has_option("AUTH", "userid")
or not config.has_option("API", "url")
or not config.has_option("CAMERA", "num_pics")
or not config.has_option("CAMERA", "time_between_pics")
):
treat_missing_config_errors()
return
# Get token and user id from config file
token = config.get("AUTH", "token")
userid = config.get("AUTH", "userid")
containers_url = config.get("API", "url") + "containers/"
num_pics = config.get("CAMERA", "num_pics")
time_between_pics = config.get("CAMERA", "time_between_pics")
# Check if token and userid is set
if not len(token) or not len(userid):
treat_pairing_errors()
return
# Check if url is set
if not len(containers_url) or not len(num_pics) or not len(time_between_pics):
treat_missing_config_errors()
return
print "Ready"
try:
# Add listener to gpio pin 26 to detect rising edge
GPIO.add_event_detect(PIR_PIN, GPIO.RISING, callback=motion)
while 1:
sleep(3)
except KeyboardInterrupt:
print "Exit"
GPIO.cleanup()
