/[cvs]/nfo/projects/netfraggle/bin/fraggleEngine.py
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revision 1.1 by joko, Wed Aug 25 18:19:31 2004 UTC revision 1.11 by xabbu, Wed Sep 15 22:27:06 2004 UTC
# Line 1  Line 1 
1    #-----------------------------------------------------------------------------
2    # Name:        fraggleEngine.py
3    # Purpose:     Does the main (non-gui) work
4    #
5    # Author:      joko
6    #
7    # Created:     2004/30/08
8    # RCS-ID:      $Id$
9    # Copyright:   (c) 2004 netfrag.org
10    # Licence:     GPL
11    #-----------------------------------------------------------------------------
12    
13    #-----------------------------------------------------------------------------
14    # $Log$
15    # Revision 1.11  2004/09/15 22:27:06  xabbu
16    # +/- function fraggleSync replaced by function syncTopics which places a query
17    # + function query has simple eval of error return code now
18    #
19    # Revision 1.10  2004/09/13 21:07:38  xabbu
20    # + function query added for testing of the nql / rpc interface
21    #
22    # Revision 1.9  2004/09/01 21:43:30  xabbu
23    # +Moved funtion getDefaultDir from FraggleCtlPreferences to FraggleEngine for more convenience
24    # +FraggleCtlModules class creation for handling content modules
25    #
26    # Revision 1.8  2004/08/31 16:48:19  joko
27    # + def authenticate
28    #
29    # Revision 1.7  2004/08/31 09:34:10  joko
30    # + def query_remote: don't do "getTopicById" here anymore
31    #
32    # Revision 1.6  2004/08/31 02:23:07  joko
33    # U changes to (dummy) topics metadata (FraggleXml)
34    # + def query_remote: wrapper for making remote xmlrpc call
35    #
36    # Revision 1.5  2004/08/30 13:03:13  joko
37    # - def getDefaultDir now in fraggleCtlPreferences
38    # + def getTopicById
39    #
40    # Revision 1.4  2004/08/27 03:18:30  joko
41    # new methods: fraggleSync, getTopics
42    #
43    # Revision 1.3  2004/08/26 15:25:04  joko
44    # added cvs headers
45    #-----------------------------------------------------------------------------
46    
47  import os  import os
48    from fraggleConstants import *
49    import FraggleXMLRPC
50    import fraggleCtlPreferences
51    import FraggleCtlModules
52    import fraggleParserXML
53    
54  class FraggleEngine:  class FraggleEngine:
55        """Back-end doing the work."""
56        def __init__(self):
57            self.settings = {}
58            self.topics = {}
59            self.modules = FraggleCtlModules.create(self)
60            self.preferences = fraggleCtlPreferences.create(self)
61            self.rpc = FraggleXMLRPC.create(self, self.preferences.getConfig())
62    
63        def setSetting(self, settingname, value):
64            """Sets settingname to value in self.settings."""
65            self.settings[settingname] = value
66    
67        def getSetting(self, settingname, default=None):
68            """Returns settingname from self.settings. If not found
69               and default!=None, the default value is return *and*
70               saved to the settings."""
71            if self.settings.has_key(settingname):
72                return self.settings[settingname]
73            else:
74                if default!=None:
75                    self.setSetting(settingname, default)
76                    return default
77                else:
78                    return None
79    
80        def syncTopics(self):
81            query = "GET * FROM contenttypes"
82            topicData = self.queryCms(query)
83            topictypes = topicData['1']
84          
85            for i in topictypes:
86             self.topics[i] = topictypes[i]['1']
87            
88            #print self.topics
89            
90        def getTopics(self):
91            return self.topics
92        
93        def getTopicById(self, id):
94            return self.topics[id]
95        
96        def listItems(self,topicId):
97            result = self.queryCms("GET creator_id, language_id, description FROM contents")
98            #print result
99            
100        def queryCms(self,nqlquery):
101            
102            from xmlrpclib import Server,Error
103            rpc = Server('http://netfrag.org/nfo/netfraggle.php')
104            result = rpc.query(nqlquery)
105            if result['0']['error'] == '0':
106               #print result
107               return result
108              
109            #else:
110            #print result['0']['error']
111            #return result
112          
113        def query_remote(self, topicmeta):
114    
115            if topicmeta['target']['type'] == 'XMLRPC':
116                # TODO: make FraggleXMLRPC do all stuff
117                # (call methods dynamically)
118                from xmlrpclib import Server, Error
119                rpc = Server(topicmeta['target']['url'])
120                #try:
121                if topicmeta['result'] == 'item':
122                    topicdata = {}
123                    try:
124                        #topicdata = rpc.getContent('Home')
125                        #topicdata = rpc.getContent(tuple(topicmeta['target']['arguments']))
126                        topicdata = rpc.getContent(topicmeta['target']['arguments'])
127                        #print topicdata
128                    except Error, v:
129                        print "ERROR", v
130                elif topicmeta['result'] == 'list':
131                    topicdata = []
132                    try:
133                        arg = {'type': 'xmlpage'}
134                        topicdata = rpc.listTopics(arg)
135                        #print topicdata
136                        #self.styledTextContent.SetText(repr(topicdata))
137                    except Error, v:
138                        print "ERROR", v
139            return topicdata
140    
141        def authenticate(self, server, username, password):
142            from xmlrpclib import Server, Error
143            rpc = Server(server)
144            try:
145                return rpc.authenticate({'user': username, 'pass': password})
146            except Error, v:
147                print "ERROR", v
148            
149      def getDefaultDir(self):      def getDefaultDir(self):
150          """Gets location of default dir and creates it          """Gets location of default dir and creates it
151             if necessary. ($HOME/.pears/)"""             if necessary. ($HOME/.pears/)"""
# Line 20  class FraggleEngine: Line 164  class FraggleEngine:
164              if not os.path.exists(savedir):              if not os.path.exists(savedir):
165                  os.makedirs(savedir)                  os.makedirs(savedir)
166          return savedir          return savedir
167                      
168    class urlOpener(object):
169        """Opens urls."""
170        def __init__(self):
171            pass
172        def open(self, url="", command=None):
173            """Opens the url with the method defined in the settings.
174               If command==None, it is retreived from the settings.
175            """      
176            if command==None:
177                command = FraggleEngine().getSetting(BROWSERCOMMAND, BROWSERDEFAULT)
178            if command==BROWSERDEFAULT.strip():
179                # use default opening method
180                import os
181                if os.environ.has_key("BROWSER") and \
182                   os.environ["BROWSER"]=='kfmclient openProfile webbrowsing':
183                    print "Invalid browser detected : %s\nResetting to konqueror." % os.environ["BROWSER"]
184                    os.environ["BROWSER"] = 'konqueror' # set it to konqueror
185                import webbrowser # MUST be imported only AFTER os.environ has been modified
186                webbrowser.open(url, 1)
187                #webbrowser.open_new(url)
188            else: #otherwise use user-defined command line
189                # replase %URL with actual url
190                command = command.replace("%URL", url)
191                import os
192                os.system(command)
193    
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