Even voor het gemak het main script van github:
#!/usr/bin/python
"""OmnikExport program.
Get data from an omniksol inverter with 602xxxxx - 606xxxx ans save the data in
a database or push to pvoutput.org.
"""
import socket # Needed for talking to inverter
import sys
import logging
import logging.config
import ConfigParser
import os
from PluginLoader import Plugin
import InverterMsg # Import the Msg handler
class OmnikExport(object):
"""
Get data from Omniksol inverter and store the data in a configured output
format/location.
"""
config = None
logger = None
def __init__(self, config_file):
# Load the setting
config_files = [self.__expand_path('config-default.cfg'),
self.__expand_path(config_file)]
self.config = ConfigParser.RawConfigParser()
self.config.read(config_files)
def run(self):
"""Get information from inverter and store is configured outputs."""
self.build_logger(self.config)
# Load output plugins
# Prepare path for plugin loading
sys.path.append(self.__expand_path('outputs'))
Plugin.config = self.config
Plugin.logger = self.logger
enabled_plugins = self.config.get('general', 'enabled_plugins')\
.split(',')
for plugin_name in enabled_plugins:
plugin_name = plugin_name.strip()
self.logger.debug('Importing output plugin ' + plugin_name)
__import__(plugin_name)
# Connect to inverter
ip = self.config.get('inverter', 'ip')
port = self.config.get('inverter', 'port')
for res in socket.getaddrinfo(ip, port, socket.AF_INET,
socket.SOCK_STREAM):
family, socktype, proto, canonname, sockadress = res
try:
self.logger.info('connecting to {0} port {1}'.format(ip, port))
inverter_socket = socket.socket(family, socktype, proto)
inverter_socket.settimeout(10)
inverter_socket.connect(sockadress)
except socket.error as msg:
self.logger.error('Could not open socket')
self.logger.error(msg)
sys.exit(1)
wifi_serial = self.config.getint('inverter', 'wifi_sn')
inverter_socket.sendall(OmnikExport.generate_string(wifi_serial))
data = inverter_socket.recv(1024)
inverter_socket.close()
msg = InverterMsg.InverterMsg(data)
self.logger.info("ID: {0}".format(msg.id))
for plugin in Plugin.plugins:
self.logger.debug('Run plugin' + plugin.__class__.__name__)
plugin.process_message(msg)
def build_logger(self, config):
# Build logger
"""
Build logger for this program
Args:
config: ConfigParser with settings from file
"""
log_levels = dict(debug=10, info=20, warning=30, error=40, critical=50)
log_dict = {
'version': 1,
'formatters': {
'f': {'format': '%(asctime)s %(levelname)s %(message)s'}
},
'handlers': {
'none': {'class': 'logging.NullHandler'},
'console': {
'class': 'logging.StreamHandler',
'formatter': 'f'
},
'file': {
'class': 'logging.FileHandler',
'filename': self.__expand_path(config.get('log',
'filename')),
'formatter': 'f'},
},
'loggers': {
'OmnikLogger': {
'handlers': config.get('log', 'type').split(','),
'level': log_levels[config.get('log', 'level')]
}
}
}
logging.config.dictConfig(log_dict)
self.logger = logging.getLogger('OmnikLogger')
def override_config(self, section, option, value):
"""Override config settings"""
self.config.set(section, option, value)
@staticmethod
def __expand_path(path):
"""
Expand relative path to absolute path.
Args:
path: file path
Returns: absolute path to file
"""
if os.path.isabs(path):
return path
else:
return os.path.dirname(os.path.abspath(__file__)) + "/" + path
@staticmethod
def generate_string(serial_no):
"""Create request string for inverter.
The request string is build from several parts. The first part is a
fixed 4 char string; the second part is the reversed hex notation of
the s/n twice; then again a fixed string of two chars; a checksum of
the double s/n with an offset; and finally a fixed ending char.
Args:
serial_no (int): Serial number of the inverter
Returns:
str: Information request string for inverter
"""
response = '\x68\x02\x40\x30'
double_hex = hex(serial_no)[2:] * 2
hex_list = [double_hex[i:i + 2].decode('hex') for i in
reversed(range(0, len(double_hex), 2))]
cs_count = 115 + sum([ord(c) for c in hex_list])
checksum = hex(cs_count)[-2:].decode('hex')
response += ''.join(hex_list) + '\x01\x00' + checksum + '\x16'
return response
if __name__ == "__main__":
omnik_exporter = OmnikExport('config.cfg')
omnik_exporter.run()
Ik gok dat het aan de gebruikte python versie ligt, zoals Birdy aangeeft. Maar ik ben verre van een expert in python. Ik wist niet een dat je daar object geörienteert mee kunt programmeren, zoals in dit script gebeurd.
Topic: nas synology taak om zonnepanelen opbrengst naar pvoutput te uploaden (gelezen 41242 keer)
Vergelijkbare onderwerpen (5)
20 juni 2006, 10:21:27