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'''
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Main routines to create a Signal Chain project
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'''
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import re
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import sys
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import ast
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import datetime
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import traceback
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import time
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from multiprocessing import Process, Queue
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from threading import Thread
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from xml.etree.ElementTree import ElementTree, Element, SubElement
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from schainpy.admin import Alarm, SchainWarning
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from schainpy.model import *
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from schainpy.utils import log
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class ConfBase():
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def __init__(self):
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self.id = '0'
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self.name = None
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self.priority = None
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self.parameters = {}
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self.object = None
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self.operations = []
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def getId(self):
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return self.id
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def getNewId(self):
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return int(self.id) * 10 + len(self.operations) + 1
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def updateId(self, new_id):
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self.id = str(new_id)
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n = 1
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for conf in self.operations:
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conf_id = str(int(new_id) * 10 + n)
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conf.updateId(conf_id)
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n += 1
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def getKwargs(self):
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params = {}
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for key, value in self.parameters.items():
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if value not in (None, '', ' '):
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params[key] = value
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return params
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def update(self, **kwargs):
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for key, value in kwargs.items():
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self.addParameter(name=key, value=value)
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def addParameter(self, name, value, format=None):
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'''
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'''
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if isinstance(value, str) and re.search(r'(\d+/\d+/\d+)', value):
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self.parameters[name] = datetime.date(*[int(x) for x in value.split('/')])
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elif isinstance(value, str) and re.search(r'(\d+:\d+:\d+)', value):
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self.parameters[name] = datetime.time(*[int(x) for x in value.split(':')])
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else:
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try:
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self.parameters[name] = ast.literal_eval(value)
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except:
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if isinstance(value, str) and ',' in value:
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self.parameters[name] = value.split(',')
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else:
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self.parameters[name] = value
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def getParameters(self):
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params = {}
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for key, value in self.parameters.items():
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s = type(value).__name__
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if s == 'date':
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params[key] = value.strftime('%Y/%m/%d')
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elif s == 'time':
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params[key] = value.strftime('%H:%M:%S')
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else:
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params[key] = str(value)
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return params
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def makeXml(self, element):
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xml = SubElement(element, self.ELEMENTNAME)
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for label in self.xml_labels:
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xml.set(label, str(getattr(self, label)))
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for key, value in self.getParameters().items():
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xml_param = SubElement(xml, 'Parameter')
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xml_param.set('name', key)
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xml_param.set('value', value)
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for conf in self.operations:
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conf.makeXml(xml)
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def __str__(self):
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if self.ELEMENTNAME == 'Operation':
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s = ' {}[id={}]\n'.format(self.name, self.id)
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else:
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s = '{}[id={}, inputId={}]\n'.format(self.name, self.id, self.inputId)
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for key, value in self.parameters.items():
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if self.ELEMENTNAME == 'Operation':
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s += ' {}: {}\n'.format(key, value)
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else:
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s += ' {}: {}\n'.format(key, value)
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for conf in self.operations:
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s += str(conf)
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return s
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class OperationConf(ConfBase):
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ELEMENTNAME = 'Operation'
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xml_labels = ['id', 'name']
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def setup(self, id, name, priority, project_id, err_queue):
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self.id = str(id)
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self.project_id = project_id
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self.name = name
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self.type = 'other'
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self.err_queue = err_queue
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def readXml(self, element, project_id, err_queue):
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self.id = element.get('id')
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self.name = element.get('name')
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self.type = 'other'
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self.project_id = str(project_id)
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self.err_queue = err_queue
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for elm in element.iter('Parameter'):
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self.addParameter(elm.get('name'), elm.get('value'))
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def createObject(self):
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className = eval(self.name)
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if 'Plot' in self.name or 'Writer' in self.name:
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kwargs = self.getKwargs()
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opObj = className(self.id, self.id, self.project_id, self.err_queue, **kwargs)
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opObj.start()
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self.type = 'external'
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else:
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opObj = className()
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self.object = opObj
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return opObj
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class ProcUnitConf(ConfBase):
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ELEMENTNAME = 'ProcUnit'
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xml_labels = ['id', 'inputId', 'name']
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def setup(self, project_id, id, name, datatype, inputId, err_queue):
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'''
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'''
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if datatype == None and name == None:
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raise ValueError('datatype or name should be defined')
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if name == None:
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if 'Proc' in datatype:
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name = datatype
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else:
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name = '%sProc' % (datatype)
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if datatype == None:
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datatype = name.replace('Proc', '')
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self.id = str(id)
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self.project_id = project_id
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self.name = name
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self.datatype = datatype
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self.inputId = inputId
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self.err_queue = err_queue
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self.operations = []
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self.parameters = {}
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def removeOperation(self, id):
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i = [1 if x.id==id else 0 for x in self.operations]
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self.operations.pop(i.index(1))
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def getOperation(self, id):
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for conf in self.operations:
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if conf.id == id:
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return conf
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def addOperation(self, name, optype='self'):
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'''
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'''
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id = self.getNewId()
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conf = OperationConf()
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conf.setup(id, name=name, priority='0', project_id=self.project_id, err_queue=self.err_queue)
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self.operations.append(conf)
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return conf
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def readXml(self, element, project_id, err_queue):
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self.id = element.get('id')
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self.name = element.get('name')
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self.inputId = None if element.get('inputId') == 'None' else element.get('inputId')
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self.datatype = element.get('datatype', self.name.replace(self.ELEMENTNAME.replace('Unit', ''), ''))
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self.project_id = str(project_id)
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self.err_queue = err_queue
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self.operations = []
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self.parameters = {}
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for elm in element:
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if elm.tag == 'Parameter':
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self.addParameter(elm.get('name'), elm.get('value'))
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elif elm.tag == 'Operation':
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conf = OperationConf()
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conf.readXml(elm, project_id, err_queue)
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self.operations.append(conf)
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def createObjects(self):
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'''
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Instancia de unidades de procesamiento.
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'''
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className = eval(self.name)
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kwargs = self.getKwargs()
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procUnitObj = className()
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procUnitObj.name = self.name
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log.success('creating process...', self.name)
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for conf in self.operations:
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opObj = conf.createObject()
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log.success('adding operation: {}, type:{}'.format(
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conf.name,
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conf.type), self.name)
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procUnitObj.addOperation(conf, opObj)
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self.object = procUnitObj
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def run(self):
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'''
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'''
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return self.object.call(**self.getKwargs())
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class ReadUnitConf(ProcUnitConf):
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ELEMENTNAME = 'ReadUnit'
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def __init__(self):
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self.id = None
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self.datatype = None
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self.name = None
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self.inputId = None
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self.operations = []
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self.parameters = {}
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def setup(self, project_id, id, name, datatype, err_queue, path='', startDate='', endDate='',
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startTime='', endTime='', server=None, **kwargs):
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if datatype == None and name == None:
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raise ValueError('datatype or name should be defined')
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if name == None:
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if 'Reader' in datatype:
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name = datatype
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datatype = name.replace('Reader','')
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else:
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name = '{}Reader'.format(datatype)
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if datatype == None:
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if 'Reader' in name:
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datatype = name.replace('Reader','')
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else:
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datatype = name
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name = '{}Reader'.format(name)
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self.id = id
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self.project_id = project_id
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self.name = name
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self.datatype = datatype
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self.err_queue = err_queue
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self.addParameter(name='path', value=path)
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self.addParameter(name='startDate', value=startDate)
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self.addParameter(name='endDate', value=endDate)
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self.addParameter(name='startTime', value=startTime)
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self.addParameter(name='endTime', value=endTime)
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for key, value in kwargs.items():
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self.addParameter(name=key, value=value)
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class Project(Process):
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ELEMENTNAME = 'Project'
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def __init__(self):
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Process.__init__(self)
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self.id = None
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self.filename = None
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self.description = None
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self.email = None
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self.alarm = []
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self.configurations = {}
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# self.err_queue = Queue()
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self.err_queue = None
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self.started = False
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def getNewId(self):
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idList = list(self.configurations.keys())
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id = int(self.id) * 10
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while True:
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id += 1
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if str(id) in idList:
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continue
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break
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return str(id)
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def updateId(self, new_id):
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self.id = str(new_id)
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keyList = list(self.configurations.keys())
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keyList.sort()
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n = 1
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new_confs = {}
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for procKey in keyList:
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conf = self.configurations[procKey]
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idProcUnit = str(int(self.id) * 10 + n)
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conf.updateId(idProcUnit)
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new_confs[idProcUnit] = conf
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n += 1
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self.configurations = new_confs
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def setup(self, id=1, name='', description='', email=None, alarm=[]):
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self.id = str(id)
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self.description = description
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self.email = email
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self.alarm = alarm
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if name:
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self.name = '{} ({})'.format(Process.__name__, name)
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def update(self, **kwargs):
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for key, value in kwargs.items():
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setattr(self, key, value)
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def clone(self):
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p = Project()
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p.id = self.id
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p.name = self.name
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p.description = self.description
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p.configurations = self.configurations.copy()
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return p
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def addReadUnit(self, id=None, datatype=None, name=None, **kwargs):
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'''
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'''
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if id is None:
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idReadUnit = self.getNewId()
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else:
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idReadUnit = str(id)
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conf = ReadUnitConf()
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conf.setup(self.id, idReadUnit, name, datatype, self.err_queue, **kwargs)
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self.configurations[conf.id] = conf
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return conf
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def addProcUnit(self, id=None, inputId='0', datatype=None, name=None):
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'''
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'''
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if id is None:
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idProcUnit = self.getNewId()
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else:
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idProcUnit = id
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conf = ProcUnitConf()
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conf.setup(self.id, idProcUnit, name, datatype, inputId, self.err_queue)
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self.configurations[conf.id] = conf
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return conf
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def removeProcUnit(self, id):
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if id in self.configurations:
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self.configurations.pop(id)
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def getReadUnit(self):
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for obj in list(self.configurations.values()):
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if obj.ELEMENTNAME == 'ReadUnit':
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return obj
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return None
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def getProcUnit(self, id):
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return self.configurations[id]
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def getUnits(self):
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keys = list(self.configurations)
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keys.sort()
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for key in keys:
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yield self.configurations[key]
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def updateUnit(self, id, **kwargs):
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conf = self.configurations[id].update(**kwargs)
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def makeXml(self):
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xml = Element('Project')
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xml.set('id', str(self.id))
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xml.set('name', self.name)
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xml.set('description', self.description)
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for conf in self.configurations.values():
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conf.makeXml(xml)
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self.xml = xml
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def writeXml(self, filename=None):
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if filename == None:
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if self.filename:
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filename = self.filename
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else:
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filename = 'schain.xml'
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if not filename:
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print('filename has not been defined. Use setFilename(filename) for do it.')
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return 0
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abs_file = os.path.abspath(filename)
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if not os.access(os.path.dirname(abs_file), os.W_OK):
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print('No write permission on %s' % os.path.dirname(abs_file))
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return 0
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if os.path.isfile(abs_file) and not(os.access(abs_file, os.W_OK)):
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print('File %s already exists and it could not be overwriten' % abs_file)
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return 0
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self.makeXml()
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ElementTree(self.xml).write(abs_file, method='xml')
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self.filename = abs_file
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return 1
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def readXml(self, filename):
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|
|
abs_file = os.path.abspath(filename)
|
|
|
|
|
|
self.configurations = {}
|
|
|
|
|
|
try:
|
|
|
self.xml = ElementTree().parse(abs_file)
|
|
|
except:
|
|
|
log.error('Error reading %s, verify file format' % filename)
|
|
|
return 0
|
|
|
|
|
|
self.id = self.xml.get('id')
|
|
|
self.name = self.xml.get('name')
|
|
|
self.description = self.xml.get('description')
|
|
|
|
|
|
for element in self.xml:
|
|
|
if element.tag == 'ReadUnit':
|
|
|
conf = ReadUnitConf()
|
|
|
conf.readXml(element, self.id, self.err_queue)
|
|
|
self.configurations[conf.id] = conf
|
|
|
elif element.tag == 'ProcUnit':
|
|
|
conf = ProcUnitConf()
|
|
|
input_proc = self.configurations[element.get('inputId')]
|
|
|
conf.readXml(element, self.id, self.err_queue)
|
|
|
self.configurations[conf.id] = conf
|
|
|
|
|
|
self.filename = abs_file
|
|
|
|
|
|
return 1
|
|
|
|
|
|
def __str__(self):
|
|
|
|
|
|
text = '\nProject[id=%s, name=%s, description=%s]\n\n' % (
|
|
|
self.id,
|
|
|
self.name,
|
|
|
self.description,
|
|
|
)
|
|
|
|
|
|
for conf in self.configurations.values():
|
|
|
text += '{}'.format(conf)
|
|
|
|
|
|
return text
|
|
|
|
|
|
def createObjects(self):
|
|
|
|
|
|
keys = list(self.configurations.keys())
|
|
|
keys.sort()
|
|
|
for key in keys:
|
|
|
conf = self.configurations[key]
|
|
|
conf.createObjects()
|
|
|
if conf.inputId is not None:
|
|
|
conf.object.setInput(self.configurations[conf.inputId].object)
|
|
|
|
|
|
def monitor(self):
|
|
|
|
|
|
t = Thread(target=self._monitor, args=(self.err_queue, self.ctx))
|
|
|
t.start()
|
|
|
|
|
|
def _monitor(self, queue, ctx):
|
|
|
|
|
|
import socket
|
|
|
|
|
|
procs = 0
|
|
|
err_msg = ''
|
|
|
|
|
|
while True:
|
|
|
msg = queue.get()
|
|
|
if '#_start_#' in msg:
|
|
|
procs += 1
|
|
|
elif '#_end_#' in msg:
|
|
|
procs -=1
|
|
|
else:
|
|
|
err_msg = msg
|
|
|
|
|
|
if procs == 0 or 'Traceback' in err_msg:
|
|
|
break
|
|
|
time.sleep(0.1)
|
|
|
|
|
|
if '|' in err_msg:
|
|
|
name, err = err_msg.split('|')
|
|
|
if 'SchainWarning' in err:
|
|
|
log.warning(err.split('SchainWarning:')[-1].split('\n')[0].strip(), name)
|
|
|
elif 'SchainError' in err:
|
|
|
log.error(err.split('SchainError:')[-1].split('\n')[0].strip(), name)
|
|
|
else:
|
|
|
log.error(err, name)
|
|
|
else:
|
|
|
name, err = self.name, err_msg
|
|
|
|
|
|
time.sleep(1)
|
|
|
|
|
|
ctx.term()
|
|
|
|
|
|
message = ''.join(err)
|
|
|
|
|
|
if err_msg:
|
|
|
subject = 'SChain v%s: Error running %s\n' % (
|
|
|
schainpy.__version__, self.name)
|
|
|
|
|
|
subtitle = 'Hostname: %s\n' % socket.gethostbyname(
|
|
|
socket.gethostname())
|
|
|
subtitle += 'Working directory: %s\n' % os.path.abspath('./')
|
|
|
subtitle += 'Configuration file: %s\n' % self.filename
|
|
|
subtitle += 'Time: %s\n' % str(datetime.datetime.now())
|
|
|
|
|
|
readUnitConfObj = self.getReadUnit()
|
|
|
if readUnitConfObj:
|
|
|
subtitle += '\nInput parameters:\n'
|
|
|
subtitle += '[Data path = %s]\n' % readUnitConfObj.parameters['path']
|
|
|
subtitle += '[Start date = %s]\n' % readUnitConfObj.parameters['startDate']
|
|
|
subtitle += '[End date = %s]\n' % readUnitConfObj.parameters['endDate']
|
|
|
subtitle += '[Start time = %s]\n' % readUnitConfObj.parameters['startTime']
|
|
|
subtitle += '[End time = %s]\n' % readUnitConfObj.parameters['endTime']
|
|
|
|
|
|
a = Alarm(
|
|
|
modes=self.alarm,
|
|
|
email=self.email,
|
|
|
message=message,
|
|
|
subject=subject,
|
|
|
subtitle=subtitle,
|
|
|
filename=self.filename
|
|
|
)
|
|
|
|
|
|
a.start()
|
|
|
|
|
|
def setFilename(self, filename):
|
|
|
|
|
|
self.filename = filename
|
|
|
|
|
|
def runProcs(self):
|
|
|
|
|
|
err = False
|
|
|
n = len(self.configurations)
|
|
|
|
|
|
while not err:
|
|
|
for conf in self.getUnits():
|
|
|
ok = conf.run()
|
|
|
if ok is 'Error':
|
|
|
n -= 1
|
|
|
continue
|
|
|
elif not ok:
|
|
|
break
|
|
|
if n == 0:
|
|
|
err = True
|
|
|
|
|
|
def run(self):
|
|
|
|
|
|
log.success('\nStarting Project {} [id={}]'.format(self.name, self.id), tag='')
|
|
|
self.started = True
|
|
|
self.start_time = time.time()
|
|
|
self.createObjects()
|
|
|
self.runProcs()
|
|
|
log.success('{} Done (Time: {:4.2f}s)'.format(
|
|
|
self.name,
|
|
|
time.time()-self.start_time), '')
|
|
|
|
