164 lines
4.3 KiB
Python
164 lines
4.3 KiB
Python
#-------------------------------------------------------------------------------
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# Name: task.py
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# Purpose:
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#
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# Author: Anton Vakhrushev
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#
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# Created: 14.03.2012
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# Copyright: (c) Anton Vakhrushev 2012
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# Licence: LGPL
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#-------------------------------------------------------------------------------
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#!/usr/bin/env python
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# -*- coding: UTF-8 -*-
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class TaskDescription:
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"""
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Description of the task. Task runs on server.
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"""
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def __init__(self, server, execpath, data):
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"""
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``server`` is owner of task process
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``execpath`` - path to task executable
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``data`` is parsed data presentation about models, methods
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and meta information
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"""
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self.server = server
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self.execpath = execpath
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self.data = data
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self.models = []
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for label, data in self.data['models'].iteritems():
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self.models.append(DataDescription(self, label, data, self.server))
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def GetModelsDescriptions(self):
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return self.models
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#-------------------------------------------------------------------------------
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class Parameter:
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def __init__(self, data):
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self.data = data
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def GetType(self):
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return self.data['type']
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def GetTitle(self):
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return self.data.get('title', '')
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def GetComment(self):
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return self.data.get('comment', '')
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def GetDefault(self):
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return self.data.get('default')
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def GetTestExpresion(self):
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return self.data.get('test')
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def Test(self, value):
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return True
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#def __repr__(self):
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# return "'{}'".format(
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# self.GetType()
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# )
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#-------------------------------------------------------------------------------
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class DataDescription:
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def __init__(self, parent, label, data, taskd):
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self.parent = parent
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self.label = label
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self.data = data
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self.taskd = taskd
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# создание описаний параметров
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self.pdata = self.data.get('params', {})
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for label in self.pdata:
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par = Parameter(self.pdata[label])
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self.pdata[label] = par
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self.specs = []
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# рекурсивное создание описаний спецификаций
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for label, data in self.data.get('spec', {}).iteritems():
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self.specs.append(DataDescription(self, label, data, self.taskd))
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def GetLabel(self):
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return self.label
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def GetTitle(self):
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return self.data.get('title', self.label)
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def GetAuthor(self):
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return self.data.get('author', 'Unknown')
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def GetId(self):
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return None
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def GetSpecifications(self):
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return self.specs
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def IsExecutable(self):
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return self.data.get('exec', True)
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def __getitem__(self, label):
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return self.pdata.get(label)
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#-------------------------------------------------------------------------------
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class DataDefinition:
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def __init__(self, datadescr, parent = None):
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self.DD = datadescr
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self.parent = parent
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self.params = {}
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for param in self.DD.pdata:
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self.params[param] = self.DD[param].GetDefault()
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self.taskjob = None
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def __getitem__(self, label):
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return self.params[label]
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def __setitem__(self, label, value):
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if self.DD[label].Test(value):
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self.params[label] = value
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else:
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raise ValueError
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def PackParams(self):
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owner = self
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package = []
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while owner:
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data = {'label': owner.DD.GetLabel(), 'params': owner.params}
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package.append(data)
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owner = owner.parent
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package.reverse()
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return package
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#-------------------------------------------------------------------------------
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import server, json
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from pprint import pprint
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def main():
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s = server.LocalServer()
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s.LoadTasksDescriptions()
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ds = s.GetTasksDescriptions()
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models = []
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for d in ds:
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models.extend(d.GetModelsDescriptions())
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model = models[0]
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mdef = DataDefinition(model)
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#pprint(mdef.DD.data)
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mdef['x'] = 20
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p = mdef.PackParams()
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pprint(p)
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if __name__ == '__main__':
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main()
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