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comparison tools/memory.py @ 20:fc8c202cda87

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refactoring: using xml params part IV (default values) - File Transfert/IP is now set by default to the ip externally visible
author Goffi <goffi@goffi.org>
date Sun, 08 Nov 2009 00:11:00 +0100
parents f2a745ca0fbc
children 633c5ed65701
comparison
equal deleted inserted replaced
19:f2a745ca0fbc 20:fc8c202cda87
25 import time 25 import time
26 import pickle 26 import pickle
27 from xml.dom import minidom 27 from xml.dom import minidom
28 from logging import debug, info, error 28 from logging import debug, info, error
29 import pdb 29 import pdb
30 from twisted.internet import defer
30 31
31 const_SAVEFILE_PARAM=os.path.expanduser("~/.sat_param.save") 32 const_SAVEFILE_PARAM=os.path.expanduser("~/.sat_param.save")
32 const_SAVEFILE_HISTORY=os.path.expanduser("~/.sat_history.save") 33 const_SAVEFILE_HISTORY=os.path.expanduser("~/.sat_history.save")
33 34
34 class Param(): 35 class Param():
68 #the node already exists 69 #the node already exists
69 return node 70 return node
70 #the node is new 71 #the node is new
71 return None 72 return None
72 73
73 def import_params(self, parent, xml): 74 def importParams(self, parent, xml):
74 """import xml in parameters, do nothing if the param already exist 75 """import xml in parameters, do nothing if the param already exist
75 @param parent: parent class (usefull for callbacks) 76 @param parent: parent class (usefull for callbacks)
76 @param xml: parameters in xml form""" 77 @param xml: parameters in xml form"""
77
78 src_dom = minidom.parseString(xml) 78 src_dom = minidom.parseString(xml)
79 79
80 def import_node(tgt_parent, src_parent): 80 def import_node(tgt_parent, src_parent):
81 print "import_node [%s, %s]" % (tgt_parent.nodeName, src_parent.nodeName) 81 print "import_node [%s, %s]" % (tgt_parent.nodeName, src_parent.nodeName)
82 for child in src_parent.childNodes: 82 for child in src_parent.childNodes:
88 else: 88 else:
89 import_node(node, child) 89 import_node(node, child)
90 90
91 import_node(self.dom.documentElement, src_dom.documentElement) 91 import_node(self.dom.documentElement, src_dom.documentElement)
92 92
93 def __default_ok(self, value, name, category):
94 self.setParam(name, value, category)
95
96 def __default_ko(self, failure, name, category):
97 error ("Can't determine default value for [%s/%s]: %s" % (category, name, str(failure.value)))
98
99 def setDefault(self, name, category, callback, errback=None):
100 """Set default value of parameter
101 'default_cb' attibute of parameter must be set to 'yes'
102 @param name: name of the parameter
103 @param category: category of the parameter
104 @param callback: must return a string with the value (use deferred if needed)
105 @param errback: must manage the error with args failure, name, category
106 """
107 node = self.__getParamNode(name, category)
108 if not node:
109 error("Requested param [%s] in category [%s] doesn't exist !" , name, category)
110 return
111 if node.getAttribute('default_cb') == 'yes':
112 del node.attributes['default_cb']
113 d = defer.maybeDeferred(callback)
114 d.addCallback(self.__default_ok, name, category)
115 d.addErrback(errback or self.__default_ko, name, category)
93 116
94 def getParamV(self, name, category): 117 def getParamV(self, name, category):
95 """Helper method to get the value in the good type 118 """Helper method to get the value in the good type
96 getParamV stands for GetParamValue""" 119 getParamV stands for GetParamValue"""
97 node = self.__getParamNode(name, category) 120 node = self.__getParamNode(name, category)
249 return self.params.getParamsCategories() 272 return self.params.getParamsCategories()
250 273
251 def setParam(self, name, value, category): 274 def setParam(self, name, value, category):
252 return self.params.setParam(name, value, category) 275 return self.params.setParam(name, value, category)
253 276
254 def import_params(self, parent, xml): 277 def importParams(self, parent, xml):
255 return self.params.import_params(parent, xml) 278 return self.params.importParams(parent, xml)
279
280 def setDefault(self, name, category, callback, errback=None):
281 return self.params.setDefault(name, category, callback, errback)