Merge branch 'master' of git.sv.gnu.org:/srv/git/gnowsys

4 files changed, 476 insertions, 18 deletions

diff --git a/gstudio/management/commands/sync-instances.py b/gstudio/management/commands/sync-instances.py
new file mode 100644
index 0000000..632e9ef
--- /dev/null
+++ b/gstudio/management/commands/sync-instances.py
@@ -0,0 +1,112 @@
+#    Copyright (c) 2012 Free Software Foundation
+
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from django.core.management.base import BaseCommand
+from optparse import make_option
+
+import re
+import sys
+from datetime import datetime
+
+from objectapp.models import Gbobject
+from objectapp.models import Objecttype
+from objectapp.models import Attributetype
+from objectapp.models import Relationtype
+from objectapp.models import ObjectDoesNotExist
+
+# from gstudio.xmlrpc.metaweblog import class_checker
+from gstudio import models as gstmodels
+from objectapp import models as objmodels
+import inspect
+
+from xmlrpclib import DateTime
+from xmlrpclib import ServerProxy
+
+from django.db.utils import IntegrityError
+
+class Command(BaseCommand):
+    """Gets all Gbobjects from a specified server"""
+    option_list = BaseCommand.option_list + (
+        make_option("--server", action="store", type="string",
+                    dest="server", help="Specify an ip"),)
+
+    def handle(self, *args, **options):
+        def class_checker(m):
+            """Returns a dict which contains all classes of the m module"""
+            res = {}
+            for name, obj in inspect.getmembers(m):
+                if inspect.isclass(obj) and obj.__module__ == m.__name__:
+                    res[name] = obj
+            return res
+
+        def parse(module=None, instance=None, id=None):
+            """Parses and saves instances"""
+            try:
+                instances = srv.metaWeblog.show_instance(module, instance, id)
+
+                if module == "objectapp.models":
+                    module = objmodels
+
+                if module == "gstudio.models":
+                    module = gstmodels
+
+                for i in instances:
+                    pattern = "^(\d{4})(\d{2})(\d{2}).(\d{2}).(\d{2}).(\d{2})$"
+
+                    if "_tags_cache" in i:
+                        del i["_tags_cache"]
+
+                    if "_state" in i:
+                        del i["_state"]
+
+                    if "_altnames_cache" in i:
+                        del i["_altnames_cache"]
+
+                    if "_mptt_cached_fields" in i:
+                        del i["_mptt_cached_fields"]
+
+                    def group(value):
+                        return value.group(1, 2, 3, 4, 5, 6)
+
+                    def str_to_int(string):
+                        return [int(x) for x in string]
+
+                    for key in i.keys():
+                        # Weird check for DateTime objects
+                        if "make_comparable" in dir(i[key]):
+                            dt = DateTime().make_comparable(i[key])[1]
+                            dt = str_to_int(group(re.search(pattern, dt)))
+
+                            i[key] = datetime(*dt)
+
+                    class_checker(module)[instance](**i).save()
+
+            except (ObjectDoesNotExist, IntegrityError):
+                sys.stderr.write("Object matching query does not exist\n")
+
+            except ValueError:
+                sys.stderr.write("Object already exists\n")
+
+        server = options["server"]
+        srv = ServerProxy(server, allow_none=True)
+
+        objcc = class_checker(objmodels)
+        gstcc = class_checker(gstmodels)
+
+        for i in objcc.keys():
+            parse("objectapp.models", i)
+
+        for i in gstcc.keys():
+            parse("gstudio.models", i)
diff --git a/gstudio/models.py b/gstudio/models.py
index e708538..17fa459 100644
--- a/gstudio/models.py
+++ b/gstudio/models.py
@@ -166,6 +166,12 @@ attr_counter = -1
 class Author(User):
     """Proxy Model around User"""
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Author",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     objects = models.Manager()
     published = AuthorPublishedManager()
 
@@ -192,6 +198,12 @@ class NID(models.Model):
     the network, including edges.  Edges are also first class citizens
     in the gnowledge base. """
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="NID",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     title = models.CharField(_('title'), help_text=_('give a name to the node'), max_length=255)
     last_update = models.DateTimeField(_('last update'), default=datetime.now)
     creation_date = models.DateTimeField(_('creation date'),
@@ -421,6 +433,12 @@ class Node(NID):
     Super class
     """
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Node",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     altnames = TagField(_('alternate names'), help_text=_('alternate names if any'), blank=True, null=True)
     plural = models.CharField(_('plural name'), help_text=_('plural form of the node name if any'), max_length=255, blank=True, null=True)
     rating = RatingField(range=5, can_change_vote = True, help_text=_('your rating'), blank=True, null=True)
@@ -457,6 +475,11 @@ class Metatype(Node):
     Metatype object for Nodetype
     """
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Metatype",
+                                           help_text=("class' id"),
+                                           max_length=255)
 
     description = models.TextField(_('description'), blank=True, null=True)
     parent = models.ForeignKey('self', null=True, blank=True, verbose_name=_('parent metatype'), related_name='children')
@@ -658,7 +681,13 @@ class Metatype(Node):
                 super(Metatype, self).save(*args, **kwargs) # Call the "real" save() method.
 
 class Edge(NID):
-    
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Edge",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     metatypes = models.ManyToManyField(Metatype, verbose_name=_('member of metatypes'),
                                        related_name='member_edges',
                                        blank=True, null=True)
@@ -684,7 +713,11 @@ class Nodetype(Node):
     Model design for publishing nodetypes.  Other nodetypes inherit this class.
     """
 
-
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Nodetype",
+                                           help_text=("class' id"),
+                                           max_length=255)
 
     STATUS_CHOICES = ((DRAFT, _('draft')),
                       (HIDDEN, _('hidden')),
@@ -1335,6 +1368,12 @@ class Objecttype(Nodetype):
     Object class
     '''
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Objecttype",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     def __unicode__(self):
         displayname="OT: "+self.title
         return displayname
@@ -1663,6 +1702,13 @@ class Relationtype(Nodetype):
     '''
     Properties with left and right subjects (Binary relations) are defined in this class.
     '''
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Relationtype",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     inverse = models.CharField(_('inverse name'), help_text=_('when subjecttypes are interchanged, what should be the name of the relation type? This is mandatory field. If the relation is symmetric, same name will do.'), max_length=255,db_index=True )
     left_subjecttype = models.ForeignKey(NID,related_name="left_subjecttype_of", verbose_name='left role')
     left_applicable_nodetypes = models.CharField(max_length=2,choices=NODETYPE_CHOICES,default='OT', verbose_name='Applicable node types for left role')
@@ -1881,6 +1927,13 @@ class Attributetype(Nodetype):
     The rest of the fields may be required depending on what type of
     field is selected for datatype.
     '''
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Attributetype",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     subjecttype = models.ForeignKey(NID, related_name="subjecttype_of", verbose_name='subject type name')
     applicable_nodetypes = models.CharField(max_length=2,choices=NODETYPE_CHOICES,default='OT', verbose_name='applicable nodetypes')
     dataType = models.CharField(max_length=2, choices=FIELD_TYPE_CHOICES,default='01', verbose_name='data type of value')
@@ -2081,6 +2134,12 @@ class Relation(Edge):
     Relations, instances of relationtypes
     '''
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Relation",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     left_subject_scope = models.CharField(max_length=50, verbose_name='subject scope or qualification', null=True, blank=True)
     left_subject = models.ForeignKey(NID, related_name="left_subject_of", verbose_name='subject name')
     relationtype_scope = models.CharField(max_length=50, verbose_name='relation scope or qualification', null=True, blank=True)
@@ -2191,6 +2250,12 @@ class Attribute(Edge):
     nodetypes.
     '''
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Attribute",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     subject_scope = models.CharField(max_length=50, verbose_name='subject scope or qualification', null=True, blank=True)
     subject = models.ForeignKey(NID, related_name="subject_of", verbose_name='subject name')
     attributetype_scope = models.CharField(max_length=50, verbose_name='property scope or qualification', null=True, blank=True)
@@ -2278,6 +2343,12 @@ class Attribute(Edge):
 
 class AttributeCharField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeCharField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.CharField(max_length=100, verbose_name='string')
 
     def __unicode__(self):
@@ -2300,6 +2371,12 @@ class AttributeCharField(Attribute):
 
 class AttributeTextField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeTextField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.TextField(verbose_name='text')
 
     def __unicode__(self):
@@ -2319,6 +2396,13 @@ class AttributeTextField(Attribute):
 
 
 class AttributeIntegerField(Attribute):
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeIntegerField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value = models.IntegerField(max_length=100, verbose_name='Integer')
 
     def __unicode__(self):
@@ -2340,6 +2424,13 @@ class AttributeIntegerField(Attribute):
 
 class AttributeCommaSeparatedIntegerField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeComma" +
+                                           "SeparatedIntegerField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.CommaSeparatedIntegerField(max_length=100, verbose_name='integers separated by comma')
 
     def __unicode__(self):
@@ -2360,6 +2451,12 @@ class AttributeCommaSeparatedIntegerField(Attribute):
 
 class AttributeBigIntegerField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeBigIntegerField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.BigIntegerField(max_length=100, verbose_name='big integer')
 
     def __unicode__(self):
@@ -2381,6 +2478,13 @@ class AttributeBigIntegerField(Attribute):
 
 class AttributePositiveIntegerField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributePositive" +
+                                           "IntegerField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.PositiveIntegerField(max_length=100, verbose_name='positive integer')
 
     def __unicode__(self):
@@ -2402,6 +2506,12 @@ class AttributePositiveIntegerField(Attribute):
 
 class AttributeDecimalField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeDecimalField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.DecimalField(max_digits=3, decimal_places=2, verbose_name='decimal')
 
     def __unicode__(self):
@@ -2420,6 +2530,12 @@ class AttributeDecimalField(Attribute):
 
 class AttributeFloatField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeFloatField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.FloatField(max_length=100, verbose_name='number as float')
 
     def __unicode__(self):
@@ -2441,6 +2557,12 @@ class AttributeFloatField(Attribute):
 
 class AttributeBooleanField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeBooleanField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.BooleanField(verbose_name='boolean')
 
     def __unicode__(self):
@@ -2460,6 +2582,12 @@ class AttributeBooleanField(Attribute):
 
 class AttributeNullBooleanField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeNullBooleanField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.NullBooleanField(verbose_name='true false or unknown')
 
     def __unicode__(self):
@@ -2481,6 +2609,12 @@ class AttributeNullBooleanField(Attribute):
 
 class AttributeDateField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeDateField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.DateField(max_length=100, verbose_name='date')
 
     def __unicode__(self):
@@ -2502,6 +2636,12 @@ class AttributeDateField(Attribute):
 
 class AttributeDateTimeField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeDateTimeField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.DateTimeField(max_length=100, verbose_name='date time')
 
     def __unicode__(self):
@@ -2523,6 +2663,12 @@ class AttributeDateTimeField(Attribute):
 
 class AttributeTimeField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeTimeField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.TimeField(max_length=100, verbose_name='time')
 
     def __unicode__(self):
@@ -2544,6 +2690,12 @@ class AttributeTimeField(Attribute):
 
 class AttributeEmailField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeEmailField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.EmailField(max_length=100,verbose_name='value')
 
     def __unicode__(self):
@@ -2565,6 +2717,12 @@ class AttributeEmailField(Attribute):
 
 class AttributeFileField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeFileField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.FileField(upload_to='media/'+UPLOAD_TO, verbose_name='file')
 
     def __unicode__(self):
@@ -2586,6 +2744,12 @@ class AttributeFileField(Attribute):
 
 class AttributeFilePathField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeFilePathField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.FilePathField(verbose_name='path of file')
 
     def __unicode__(self):
@@ -2607,6 +2771,12 @@ class AttributeFilePathField(Attribute):
 
 class AttributeImageField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeImageField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.ImageField(upload_to = UPLOAD_TO, verbose_name='image')
 
     def __unicode__(self):
@@ -2628,6 +2798,12 @@ class AttributeImageField(Attribute):
 
 class AttributeURLField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeURLField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.URLField(max_length=100, verbose_name='url')
 
     def __unicode__(self):
@@ -2649,6 +2825,12 @@ class AttributeURLField(Attribute):
 
 class AttributeIPAddressField(Attribute):
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeIPAddressField",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     value  = models.IPAddressField(max_length=100, verbose_name='ip address')
 
     def __unicode__(self):
@@ -2675,6 +2857,13 @@ class Processtype(Nodetype):
     A kind of nodetype for defining processes or events or temporal
     objects involving change.
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Processtype",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     changing_attributetype_set = models.ManyToManyField(Attributetype, null=True, blank=True,
                                verbose_name=_('attribute set involved in the process'),
                                related_name=' changing_attributetype_set_of')
@@ -2714,6 +2903,11 @@ class Systemtype(Nodetype):
     class to organize Systems
     """
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Systemtype",
+                                           help_text=("class' id"),
+                                           max_length=255)
 
     nodetype_set = models.ManyToManyField(Nodetype, related_name="nodetype_set_of", verbose_name='Possible edges in the system',
                                            blank=True, null=False)
@@ -2759,6 +2953,13 @@ class AttributeSpecification(Node):
     proposition but a description, which can be used as a subject in
     another sentence.
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="AttributeSpecification",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     attributetype = models.ForeignKey(Attributetype, verbose_name='property name')
     subjects = models.ManyToManyField(NID, related_name="subjects_attrspec_of", verbose_name='subjects')
     metatypes=models.ManyToManyField(Metatype,verbose_name=_('member of metatypes'),
@@ -2804,6 +3005,13 @@ class RelationSpecification(Node):
     """
     specifying a relation with a subject
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="RelationSpecification",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     relationtype = models.ForeignKey(Relationtype, verbose_name='relation name')
     subjects = models.ManyToManyField(NID, related_name="subjects_in_relspec", verbose_name='subjects')
     metatypes=models.ManyToManyField(Metatype,verbose_name=_('member of metatypes'),
@@ -2847,6 +3055,13 @@ class NodeSpecification(Node):
     """
     A node specified (described) by its relations or attributes or both.
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="NodeSpecification",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     subject = models.ForeignKey(Node, related_name="subject_nodespec", verbose_name='subject name')
     relations = models.ManyToManyField(Relation, related_name="relations_in_nodespec", verbose_name='relations used to specify the domain')
     attributes = models.ManyToManyField(Attribute, related_name="attributes_in_nodespec", verbose_name='attributes used to specify the domain')
@@ -2895,6 +3110,12 @@ class Expression(Node):
     Expression constructor
     """
 
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Expression",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     left_term = models.ForeignKey(NID, related_name="left_term_of", verbose_name='left term name')
     relationtype = models.ForeignKey(Relationtype, verbose_name='relation name')
     right_term = models.ForeignKey(NID, related_name="right_term_of", verbose_name='right term name')
@@ -2937,6 +3158,13 @@ class Union(Node):
     """
     union of two classes
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Union",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     nodetypes = models.ManyToManyField(Nodetype, related_name = 'union_of', verbose_name='node types for union')
     metatypes=models.ManyToManyField(Metatype,verbose_name=_('member of metatypes'),
                                      related_name='member_unions',
@@ -2969,6 +3197,13 @@ class Complement(Node):
     """
     complement of a  class
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Complement",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     nodetypes = models.ManyToManyField(Nodetype, related_name = 'complement_of', verbose_name='complementary nodes')
     metatypes=models.ManyToManyField(Metatype,related_name='meta_complement',verbose_name=_('Metanodes'),
                                      blank=True, null= True)
@@ -3001,6 +3236,13 @@ class Intersection(Node):
     """
     Intersection of classes
     """
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Intersection",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     nodetypes = models.ManyToManyField(Nodetype, related_name = 'intersection_of', verbose_name='intersection of classes')
     metatypes=models.ManyToManyField(Metatype,verbose_name=_('member of metatypes'),
                                      related_name='member_intersectn',
@@ -3079,6 +3321,13 @@ post_save.connect(ping_external_urls_handler, sender=Nodetype,
 
 class Peer(User):
     """Subclass for non-human users"""
+
+    def __init__(self):
+        self.identifier = models.CharField(("identifier"),
+                                           default="Peer",
+                                           help_text=("class' id"),
+                                           max_length=255)
+
     def __unicode__(self):
         return self.ip
 
diff --git a/gstudio/xmlrpc/__init__.py b/gstudio/xmlrpc/__init__.py
index 9b91635..351ca47 100644
--- a/gstudio/xmlrpc/__init__.py
+++ b/gstudio/xmlrpc/__init__.py
@@ -126,10 +126,13 @@ GSTUDIO_XMLRPC_METAWEBLOG = [
      'metaWeblog.setRelation'),
     ('gstudio.xmlrpc.metaweblog.get_gbobject_neighbourhood',
      'metaWeblog.getGbobjectNeighbourhood'),
-    ('gstudio.xmlrpc.metaweblog.list_id',
-     'metaWeblog.list_id'),
-    ('gstudio.xmlrpc.metaweblog.dict_id',
-     'metaWeblog.dict_id')]
-
+    # ('gstudio.xmlrpc.metaweblog.list_id',
+    #  'metaWeblog.list_id'),
+    # ('gstudio.xmlrpc.metaweblog.dict_id',
+    #  'metaWeblog.dict_id'),
+    ('gstudio.xmlrpc.metaweblog.show_id',
+     'metaWeblog.show_id'),
+    ('gstudio.xmlrpc.metaweblog.show_instance',
+     'metaWeblog.show_instance')]
 
 GSTUDIO_XMLRPC_METHODS = GSTUDIO_XMLRPC_PINGBACK + GSTUDIO_XMLRPC_METAWEBLOG
diff --git a/gstudio/xmlrpc/metaweblog.py b/gstudio/xmlrpc/metaweblog.py
index a77ab82..91d9eda 100644
--- a/gstudio/xmlrpc/metaweblog.py
+++ b/gstudio/xmlrpc/metaweblog.py
@@ -47,6 +47,7 @@
 #    OF THE POSSIBILITY OF SUCH DAMAGE.
 """XML-RPC methods of Gstudio metaWeblog API"""
 import os
+import sys
 from datetime import datetime
 from xmlrpclib import Fault
 from xmlrpclib import DateTime
@@ -74,7 +75,10 @@ from django.utils.datastructures import SortedDict
 from gstudio.models import *
 from django.contrib.auth.models import User
 
-
+import inspect
+from gstudio import models as gstmodels
+from objectapp import models as objmodels
+from objectapp.models import ObjectDoesNotExist
 
 # http://docs.nucleuscms.org/blog/12#errorcodes
 LOGIN_ERROR = 801
@@ -833,15 +837,105 @@ def set_relation(d,obj1,obj2) :
     except Relationtype.DoesNotExist :
        return "Relationtype Does Not Exist"
 
-@xmlrpc_func(returns='list')
-def list_id():
-    """Get a list of Gbobjects' ids"""
-    return [id.id for id in Gbobject.objects.all()]
+# Previous version of the following methods
+
+# @xmlrpc_func(returns='list')
+# def list_id():
+#     """Get a list of Gbobjects' ids"""
+#     return [id.id for id in Gbobject.objects.all()]
+
+# @xmlrpc_func(returns='struct', args=['string'])
+# def dict_id(id=None):
+#     """Get a Gbobject as a dict or as a list of dicts"""
+#     if id:
+#         return Gbobject.objects.get(id="{0}".format(id))
+#     else:
+#         return [dict_id(id) for id in list_id()]
+
+def class_checker(m):
+    """Returns a dict which contains all classes of the m module"""
+    res = {}
+    for name, obj in inspect.getmembers(m):
+        if inspect.isclass(obj) and obj.__module__ == m.__name__:
+            res[name] = obj
+    return res
+
+def instance_checker(m, instance, option, id=None):
+    cc = class_checker(m)
+    for i in cc.keys():
+        if i == instance:
+            if option == "get":
+                return cc[i].objects.get(id="{0}".format(id))
+
+            if option == "all":
+                return [id.id for id in cc[i].objects.all()]
+    else:
+        # http://www.gnu.org/prep/standards/html_node/Errors.html#Errors
+        sys.stderr.write("metaweblog.py:line872: Wrong arguments\n")
+
+@xmlrpc_func(returns="struct", args=["string", "string"])
+def show_id(module=None, instance=None):
+    if (module == "objectapp.models" or module == objmodels) and instance:
+        return instance_checker(objmodels, instance, "all")
+
+    if (module == "gstudio.models" or module == gstmodels) and instance:
+        return instance_checker(gstmodels, instance, "all")
+
+    if module == None and instance == None:
+        def show_all(m):
+            res = {}
+            for i in class_checker(m).keys():
+                res[i] = show_id(m, i)
+            return res
+
+        gstres = show_all(gstmodels)
+        objres = show_all(objmodels)
+        return gstres, objres
 
-@xmlrpc_func(returns='struct', args=['string'])
-def dict_id(id=None):
-    """Get a Gbobject as a dict or as a list of dicts"""
-    if id:
-        return Gbobject.objects.get(id="{0}".format(id))
     else:
-        return [dict_id(id) for id in list_id()]
+        sys.stderr.write("metaweblog.py:line870: Wrong arguments\n")
+
+@xmlrpc_func(returns="struct", args=["string", "string", "string"])
+def show_instance(module=None, instance=None, id=None):
+    try:
+        if ((module == "objectapp.models" or module == objmodels) and
+            instance and id):
+            return instance_checker(objmodels, instance, "get", id)
+
+        if ((module == "gstudio.models" or module == gstmodels) and
+            instance and id):
+            return instance_checker(gstmodels, instance, "get", id)
+
+        if ((module == "objectapp.models" or module == objmodels) and
+            instance):
+            res = []
+            for i in show_id(objmodels, instance):
+                res.append(instance_checker(objmodels, instance, "get", i))
+            return res
+
+        if ((module == "gstudio.models" or module == gstmodels) and
+            instance):
+            res = []
+            for i in show_id(gstmodels, instance):
+                res.append(instance_checker(gstmodels, instance, "get", i))
+            return res
+
+        if module == None and instance == None and id == None:
+            def show_all(m, index):
+                res = []
+                for k in show_id()[index].keys():
+                    for v in show_id()[index][k]:
+                        res.append(show_instance(m, k, v))
+                return res
+
+            res = []
+            res.append(show_all(gstmodels, 0))
+            res.append(show_all(objmodels, 1))
+            return res
+
+        else:
+            sys.stderr.write("metaweblog.py:line898: Wrong arguments\n")
+
+    except ObjectDoesNotExist:
+        sys.stderr.write("metaweblog.py:line901: " +
+                         "Object matching query does not exist\n")