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comparison tools/memory.py @ 19:f2a745ca0fbc

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refactoring: using xml params part III (parameters import)
author Goffi <goffi@goffi.org>
date Sat, 07 Nov 2009 21:23:28 +0100
parents 6928e3cb73a8
children fc8c202cda87
comparison
equal deleted inserted replaced
18:6928e3cb73a8 19:f2a745ca0fbc
31 const_SAVEFILE_PARAM=os.path.expanduser("~/.sat_param.save") 31 const_SAVEFILE_PARAM=os.path.expanduser("~/.sat_param.save")
32 const_SAVEFILE_HISTORY=os.path.expanduser("~/.sat_history.save") 32 const_SAVEFILE_HISTORY=os.path.expanduser("~/.sat_history.save")
33 33
34 class Param(): 34 class Param():
35 """This class manage parameter with xml""" 35 """This class manage parameter with xml"""
36 ### TODO: add desciption in params
36 37
37 #TODO: mettre Watched dans un plugin 38 #TODO: mettre Watched dans un plugin
38 default_xml = """ 39 default_xml = """
39 <params> 40 <params>
40 <category name="Connection"> 41 <category name="Connection">
41 <param name="JabberID" value="goffi@necton2.int/TestScript" type="string" /> 42 <param name="JabberID" value="goffi@necton2.int/TestScript" type="string" />
42 <param name="Password" value="toto" type="password" /> 43 <param name="Password" value="toto" type="password" />
43 <param name="Server" value="necton2.int" type="string" /> 44 <param name="Server" value="necton2.int" type="string" />
44 </category> 45 </category>
45 <category name="File Transfert">
46 <param name="IP" value="192.168.0.10" type="string" />
47 <param name="Port" value="28915" type="string" />
48 </category>
49 <category name="Misc"> 46 <category name="Misc">
50 <param name="Watched" value="test@Jabber.goffi.int" type="string" /> 47 <param name="Watched" value="test@Jabber.goffi.int" type="string" />
51 </category> 48 </category>
52 </params> 49 </params>
53 """ 50 """
56 self.dom = minidom.parseString(Param.default_xml) 53 self.dom = minidom.parseString(Param.default_xml)
57 54
58 def __init__(self): 55 def __init__(self):
59 debug("Parameters init") 56 debug("Parameters init")
60 self.load_default_params() 57 self.load_default_params()
61 58
59 def __get_unique_node(self, parent, tag, name):
60 """return node with given tag, create a new one if the node doesn't exist
61 @param parent: parent of nodes to check (e.g. documentElement)
62 @param tag: tag to check (e.g. "category")
63 @param name: name to check (e.g. "JID")
64 @return: node if it exist or None
65 """
66 for node in parent.childNodes:
67 if node.nodeName == tag and node.getAttribute("name") == name:
68 #the node already exists
69 return node
70 #the node is new
71 return None
72
73 def import_params(self, parent, xml):
74 """import xml in parameters, do nothing if the param already exist
75 @param parent: parent class (usefull for callbacks)
76 @param xml: parameters in xml form"""
77
78 src_dom = minidom.parseString(xml)
79
80 def import_node(tgt_parent, src_parent):
81 print "import_node [%s, %s]" % (tgt_parent.nodeName, src_parent.nodeName)
82 for child in src_parent.childNodes:
83 if child.nodeName == '#text':
84 continue
85 node = self.__get_unique_node(tgt_parent, child.nodeName, child.getAttribute("name"))
86 if not node: #The node is new
87 tgt_parent.appendChild(child)
88 else:
89 import_node(node, child)
90
91 import_node(self.dom.documentElement, src_dom.documentElement)
92
62 93
63 def getParamV(self, name, category): 94 def getParamV(self, name, category):
64 """Helper method to get the value in the good type 95 """Helper method to get the value in the good type
65 getParamV stands for GetParamValue""" 96 getParamV stands for GetParamValue"""
66 node = self.__getParamNode(name, category) 97 node = self.__getParamNode(name, category)
67 if not node: 98 if not node:
68 error("Requested param [%s] in category [%s] doesn't exist !" , name, category) 99 error("Requested param [%s] in category [%s] doesn't exist !" , name, category)
69 return none 100 return None
70 return node.getAttribute("value") 101 return node.getAttribute("value")
71 102
72 def getParams(self): 103 def getParams(self):
73 """Return the whole params XML""" 104 """Return the whole params XML"""
74 return self.dom.toxml() 105 return self.dom.toxml()
100 node = self.__getParamNode(name, category) 131 node = self.__getParamNode(name, category)
101 if not node: 132 if not node:
102 return #TODO: throw an error 133 return #TODO: throw an error
103 node.setAttribute("value", value) 134 node.setAttribute("value", value)
104 135
105 """def createParam (self, name, value, type, category):
106 ### TODO: add desciption in params
107 if not self.params.has_key(category):
108 self.params[category]={}
109 self.params[category][name]=[value,type];"""
110
111 class Memory: 136 class Memory:
112 """This class manage all persistent informations""" 137 """This class manage all persistent informations"""
113 138
114 def __init__(self): 139 def __init__(self):
115 info ("Memory manager init") 140 info ("Memory manager init")
132 debug("params loaded") 157 debug("params loaded")
133 except: 158 except:
134 error ("Can't load params !") 159 error ("Can't load params !")
135 self.params.load_default_params() 160 self.params.load_default_params()
136 else: 161 else:
162 error ("No params, using default parameters")
137 self.params.load_default_params() 163 self.params.load_default_params()
138 164
139 #history 165 #history
140 if os.path.exists(const_SAVEFILE_HISTORY): 166 if os.path.exists(const_SAVEFILE_HISTORY):
141 try: 167 try:
222 def getParamsCategories(self): 248 def getParamsCategories(self):
223 return self.params.getParamsCategories() 249 return self.params.getParamsCategories()
224 250
225 def setParam(self, name, value, category): 251 def setParam(self, name, value, category):
226 return self.params.setParam(name, value, category) 252 return self.params.setParam(name, value, category)
253
254 def import_params(self, parent, xml):
255 return self.params.import_params(parent, xml)