1 """
2 InterWiki server module
3
4 @copyright: LinuxWiki:ThomasWaldmann
5 @license: GPL, see COPYING for details
6 """
7
8 import xmlrpclib, pickle
9
10 sisterlist = {
11
12 'LinuxWiki': ('MoinMoin', 'http://linuxwiki.org/', ),
13 'JuraWiki': ('MoinMoin', 'http://jurawiki.de/', ),
14 }
15
16 sistersets = {}
17
18 def getPageList(wikiname):
19 """ get the pagelist from a wiki
20 """
21 type, url = sisterlist[wikiname]
22 if type == 'MoinMoin':
23 srcwiki = xmlrpclib.ServerProxy(url+"?action=xmlrpc2")
24 pages = srcwiki.getAllPages()
25 return pages
26
27 def collectpages():
28 """ Iterate over sistersites, get pagelists of them and add them to the sets
29 """
30 for wiki in sisterlist:
31 pages = getPageList(wiki)
32 for page in pages:
33 sets = findSetByMember(wiki, page, create=True)
34 for set in sets:
35 addMember(set, wiki, page)
36
37 def addMember(set, wiki, page, newstatus=None):
38 """ add an interwiki link to a set of interwiki links
39 newstatus
40 == None means that we want to add the interwiki link as member of this set, if allowed
41 == True means that we explicitely want the interwiki link as a member of this set (force)
42 == False means that we explicitely exclude this page from being a member of this set (force)
43 """
44 try:
45 oldstatus = set[(wiki,page)]
46 except KeyError:
47 oldstatus = None
48 if oldstatus == None or newstatus != None:
49 set[(wiki,page)] = newstatus
50
51 def delMember(set, wiki, page):
52 """ remove an interwiki link from a set of interwiki links
53 """
54 try:
55 del set[(wiki,page)]
56 except KeyError:
57 pass
58
59 def findSetByKey(key, create=False):
60 """ find a set by giving the key (normally the pagename),
61 if there is no such set, create a new, empty one.
62 """
63 global sistersets
64 try:
65 set = sistersets[key]
66 except KeyError:
67 if create:
68 set = sistersets[key] = {}
69 else:
70 set = None
71 return set
72
73 def findSetByMember(wiki, page, create=False):
74 """ return the list of sets that have a specific member
75 """
76 global sistersets
77 result = []
78 for set in sistersets.values():
79 if set.has_key((wiki,page)):
80 result.append(set)
81 if not result and create:
82 sistersets[page] = {}
83 result.append(sistersets[page])
84 return result
85
86 def getSisterPages(wiki, page):
87 sets = findSetByMember(wiki, page)
88 result = []
89 for set in sets:
90 for interwiki in set:
91 if set[interwiki] == None:
92 result.append(interwiki)
93 for set in sets:
94 for interwiki in set:
95 if set[interwiki] == False:
96 result.remove(interwiki)
97 for set in sets:
98 for interwiki in set:
99 if set[interwiki] == True and not interwiki in result:
100 result.append(interwiki)
101 return result
102
103 def execute(xmlrpcobj, *args):
104 cfg = xmlrpcobj.request.cfg
105 fname = "%s/%s" % (cfg.data_dir, 'sistersets.pickle')
106 f = open(fname, 'r')
107 sistersets = pickle.load(f)
108 return getSisterPages(*args)
109
110 if 0:
111 collectpages()
112 f = open('sistersets.pickle','w')
113 pickle.dump(sistersets, f)
114
115
