opal/trunk/task.py
2012-04-23 07:02:06 +00:00

127 lines
3.4 KiB
Python

#-------------------------------------------------------------------------------
# Name: task.py
# Purpose:
#
# Author: Anton Vakhrushev
#
# Created: 14.03.2012
# Copyright: (c) Anton Vakhrushev 2012
# Licence: LGPL
#-------------------------------------------------------------------------------
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import copy
import json
#-------------------------------------------------------------------------------
class Parameter:
def __init__(self, data):
self.data = data
def GetType(self):
return self.data['type']
def GetTitle(self):
return self.data.get('title', '')
def GetComment(self):
return self.data.get('comment', '')
def GetDefault(self):
return self.data.get('default')
def GetTestExpresion(self):
return self.data.get('test')
def Test(self, value):
return True
#def __repr__(self):
# return "'{}'".format(
# self.GetType()
# )
#-------------------------------------------------------------------------------
class DataDescription:
def __init__(self, parent, label, data, tid):
self.parent = parent
self.label = label
self.data = data
self.tid = tid
# создание описаний параметров
self.pdata = self.data.get('params', {})
# заменяем текстовое описание на объект-параметр
for label in self.pdata:
par = Parameter(self.pdata[label])
self.pdata[label] = par
self.specs = []
# рекурсивное создание описаний спецификаций
for label, data in self.data.get('spec', {}).iteritems():
self.specs.append(DataDescription(self, label, data, self.tid))
def GetLabel(self):
return self.label
def GetTitle(self):
return self.data.get('title', self.label)
def GetAuthor(self):
return self.data.get('author', 'Unknown')
def GetId(self):
return None
def GetParent(self):
return self.parent
def GetSpecs(self):
return self.specs
def IsExecutable(self):
return self.data.get('exec', True)
def __getitem__(self, label):
return self.pdata.get(label)
#-------------------------------------------------------------------------------
class DataDefinition:
def __init__(self, datadescr, parent = None):
self.DD = datadescr
self.parent = parent
self.params = {}
for param in self.DD.pdata:
self.params[param] = self.DD[param].GetDefault()
self.job = None
def __getitem__(self, label):
return self.params[label]
def __setitem__(self, label, value):
if self.DD[label].Test(value):
self.params[label] = value
else:
raise ValueError
def Copy(self):
res = copy.copy(self)
res.params = copy.copy(self.params)
res.job = None
return res
def PackParams(self):
package = []
owner = self
while owner:
data = {'label': owner.DD.GetLabel(), 'params': owner.params}
package.append(data)
owner = owner.parent
package.reverse()
return json.dumps(package)