Refactor code to be more readable #46
@@ -1,67 +1,75 @@
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#===========================================================================
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#
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# Config parsing
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#
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#===========================================================================
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"""Config parsing."""
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__doc__ = """Config parsing.
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"""
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import os
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import glob
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import configparser
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from .util import Data
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import ConfigParser
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import glob
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import os.path
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#===========================================================================
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def parse( configDir ):
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# Parse the files. Default xform makes all keys lower case so set
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# it to str to stop that behavior.
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p = ConfigParser.ConfigParser()
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p.optionxform = str
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def parse(configDir):
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"""
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Parse configuration files from the specified directory.
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files = glob.glob( os.path.join( configDir, "*.conf" ) )
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for f in files:
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p.read( f )
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Args:
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configDir (str): The directory containing the configuration files.
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cfg = Data( _config = p )
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for s in p.sections():
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d = Data()
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for o in p.options( s ):
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setattr( d, o, p.get( s, o ) )
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Returns:
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Data: Parsed configuration data.
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"""
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config = configparser.ConfigParser()
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config.optionxform = str # Prevent keys from being transformed to lowercase
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setattr( cfg, s, d )
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config_files = glob.glob(os.path.join(configDir, "*.conf"))
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for file in config_files:
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config.read(file)
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return cfg
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parsed_config = Data(_config=config)
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for section in config.sections():
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section_data = Data()
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for option in config.options(section):
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setattr(section_data, option, config.get(section, option))
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setattr(parsed_config, section, section_data)
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#===========================================================================
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def update( data, secDef ):
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for section, fields in secDef.iteritems():
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if not hasattr( data, section ):
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setattr( data, section, Data() )
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return parsed_config
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secData = data[section]
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for name, convertFunc, defaultValue in fields:
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if hasattr( secData, name ):
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secData[name] = convertFunc( secData[name] )
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def update(data, secDef):
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"""
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Update configuration data with default values and type conversion.
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else:
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secData[name] = defaultValue
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Args:
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data (Data): Configuration data to be updated.
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secDef (dict): Dictionary defining sections and their default values and conversion functions.
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"""
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for section, fields in secDef.items():
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if not hasattr(data, section):
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setattr(data, section, Data())
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#===========================================================================
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def toPath( value ):
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"""TODO: doc
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"""
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if value is None:
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return None
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value = str( value )
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if "$" in value:
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value = os.path.expandvars( value )
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if "~" in value:
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value = os.path.expanduser( value )
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sec_data = data[section]
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for name, convert_func, default_value in fields:
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if hasattr(sec_data, name):
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sec_data[name] = convert_func(sec_data[name])
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else:
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sec_data[name] = default_value
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return value
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def toPath(value):
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"""
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Convert a path value to its absolute path.
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#===========================================================================
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Args:
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value (str): The path value.
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Returns:
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str: The absolute path.
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"""
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if value is None:
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return None
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value = str(value)
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if "$" in value:
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value = os.path.expandvars(value)
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if "~" in value:
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value = os.path.expanduser(value)
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return value
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@@ -1,36 +1,41 @@
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#===========================================================================
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#
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# Config file
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#
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#===========================================================================
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__doc__ = """Config file parsing.
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"""
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"""Config file parsing."""
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from .. import util
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from ..util import config as C
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#===========================================================================
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# Config file section name and defaults.
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configEntries = [
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# ( name, converter function, default value )
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C.Entry( "httpPort", int, 22042 ),
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C.Entry( "mqttEnergy", str ),
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C.Entry( "mqttPower", str ),
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C.Entry( "logFile", util.path.expand ),
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C.Entry( "logLevel", int, 20 ), # INFO
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]
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# ( name, converter function, default value )
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C.Entry("httpPort", int, 22042),
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C.Entry("mqttEnergy", str),
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C.Entry("mqttPower", str),
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C.Entry("logFile", util.path.expand),
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C.Entry("logLevel", int, 20), # INFO
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]
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#===========================================================================
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def parse( configDir, configFile='eagle.py' ):
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return C.readAndCheck( configDir, configFile, configEntries )
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def parse(configDir, configFile='eagle.py'):
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"""
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Parse the configuration file.
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#===========================================================================
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def log( config, logFile=None ):
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if not logFile:
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logFile = config.logFile
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return util.log.get( "eagle", config.logLevel, logFile )
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Args:
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configDir (str): The directory containing the configuration file.
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configFile (str): The name of the configuration file.
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#===========================================================================
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Returns:
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dict: The parsed configuration.
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"""
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return C.readAndCheck(configDir, configFile, configEntries)
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def log(config, logFile=None):
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"""
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Get the logger configuration.
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Args:
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config (dict): The configuration dictionary.
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logFile (str): The log file path.
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Returns:
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logger: The logger object.
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"""
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logFile = logFile or config['logFile']
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return util.log.get("eagle", config['logLevel'], logFile)
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@@ -1,110 +1,68 @@
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from . import config
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from . import messages as msg
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#from . import convert
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#from .DeviceData import DeviceData
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#from .DeviceInfo import DeviceInfo
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#from .InstantDemand import InstantDemand
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#from .Reading import Reading
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#from .Total import Total
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import defusedxml.ElementTree as ET
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import socket
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#==========================================================================
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def all():
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>get_device_data</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % ( config.macAddress )
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xmlData = sendXml( xmlCmd )
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xmlCmd = "<LocalCommand>\n<Name>get_device_data</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % config.macAddress
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xmlData = sendXml(xmlCmd)
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring(xmlData)
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return msg.DeviceData(root)
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# Add fake wrapper for parsing list of elements
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring( xmlData )
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return DeviceData( root )
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#==========================================================================
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def device():
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>list_devices</Name>\n</LocalCommand>\n"
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xmlData = sendXml( xmlCmd )
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root = ET.fromstring( xmlData )
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xmlCmd = "<LocalCommand>\n<Name>list_devices</Name>\n</LocalCommand>\n"
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xmlData = sendXml(xmlCmd)
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root = ET.fromstring(xmlData)
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return msg.DeviceInfo(root)
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return msg.DeviceInfo( root )
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#==========================================================================
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def instant():
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>get_instantaneous_demand</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % ( config.macAddress )
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xmlData = sendXml( xmlCmd )
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root = ET.fromstring( xmlData )
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xmlCmd = "<LocalCommand>\n<Name>get_instantaneous_demand</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % config.macAddress
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xmlData = sendXml(xmlCmd)
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root = ET.fromstring(xmlData)
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return msg.InstantaneousDemand(root)
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return msg.InstantaneousDemand( root )
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def history(start):
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startHex = convert.fromTime(start)
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xmlCmd = "<LocalCommand>\n<Name>get_history_data</Name>\n" \
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"<MacId>%s</MacId>\n<StartTime>%s</StartTime>\n" \
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"</LocalCommand>\n" % (config.macAddress, startHex)
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xmlData = sendXml(xmlCmd)
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root = ET.fromstring(xmlData)
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return [msg.Total(child) for child in root]
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#==========================================================================
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def history( start ):
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"start == datetime in utc"
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startHex = convert.fromTime( start )
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>get_history_data</Name>\n" \
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"<MacId>%s</MacId>\n<StartTime>%s</StartTime>\n" \
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"</LocalCommand>\n" % ( config.macAddress, startHex )
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xmlData = sendXml( xmlCmd )
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def instantHistory(interval):
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assert interval in ['hour', 'day', 'week']
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xmlCmd = "<LocalCommand>\n<Name>get_demand_values</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % config.macAddress
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xmlData = sendXml(xmlCmd)
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring(xmlData)
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return msg.Reading.xmlToList(root)
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# Add fake wrapper for parsing list of elements
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root = ET.fromstring( xmlData )
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def totalHistory(interval):
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assert interval in ['day', 'week', 'month', 'year']
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xmlCmd = "<LocalCommand>\n<Name>get_summation_values</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % config.macAddress
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xmlData = sendXml(xmlCmd)
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring(xmlData)
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return msg.Reading.xmlToList(root)
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return [ Total( child ) for child in root ]
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#==========================================================================
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def instantHistory( interval ):
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"interval = 'hour', 'day', 'week'"
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assert( interval in [ 'hour', 'day', 'week' ] )
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def sendXml(xmlCmd):
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sock = socket.create_connection((config.host, config.port))
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try:
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sock.send(xmlCmd.encode())
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>get_demand_values</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % ( config.macAddress )
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xmlData = sendXml( xmlCmd )
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buf = b""
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while True:
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s = sock.recv(1024)
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if not s:
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break
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buf += s
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finally:
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sock.close()
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# Add fake wrapper for parsing list of elements
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring( xmlData )
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return msg.Reading.xmlToList( root )
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#==========================================================================
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def totalHistory( interval ):
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"interval = 'day', 'week', 'month', 'year'"
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assert( interval in [ 'day', 'week', 'month', 'year' ] )
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# Newlines are required
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xmlCmd = "<LocalCommand>\n<Name>get_summation_values</Name>\n" \
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"<MacId>%s</MacId>\n</LocalCommand>\n" % ( config.macAddress )
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xmlData = sendXml( xmlCmd )
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# Add fake wrapper for parsing list of elements
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xmlData = "<root>%s</root>" % xmlData
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root = ET.fromstring( xmlData )
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return msg.Reading.xmlToList( root )
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#==========================================================================
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def sendXml( xmlCmd ):
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sock = socket.create_connection( ( config.host, config.port ) )
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try:
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sock.send( xmlCmd )
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buf = ""
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while True:
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s = sock.recv( 1024 )
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if not s:
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break
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buf += s
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finally:
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sock.close()
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return buf
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#==========================================================================
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return buf.decode()
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@@ -1,26 +1,20 @@
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#===========================================================================
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#
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# Parse XML messages into an object.
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#
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#===========================================================================
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import defusedxml.ElementTree as ET
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from . import messages
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#==========================================================================
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def parse(xmlText):
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"""
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Parse XML messages into an object.
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# <rainForest ...>
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# <[Message]>...</[Message]>
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# </rainForest>
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def parse( xmlText ):
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root = ET.fromstring( xmlText )
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assert( root.tag == "rainforest" )
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Args:
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xmlText (str): The XML text to parse.
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child = root[0]
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Returns:
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messages.Message: The parsed message object.
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"""
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root = ET.fromstring(xmlText)
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assert root.tag == "rainforest"
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msgClass = messages.tagMap.get( child.tag, None )
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if not msgClass:
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return None
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child = root[0]
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return msgClass( child )
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#==========================================================================
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msgClass = messages.tagMap.get(child.tag, None)
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return msgClass(child) if msgClass else None
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