Python Node.slug方法代码示例

# 需要导入模块: from nodeshot.core.nodes.models import Node [as 别名]
# 或者: from nodeshot.core.nodes.models.Node import slug [as 别名]
    def import_nodes(self):
        """ import nodes into local DB """
        self.message('saving nodes into local DB...')

        saved_nodes = []

        # loop over all old node and create new nodes
        for old_node in self.old_nodes:
            # if this old node is unconfirmed skip to next cycle
            if old_node.status == 'u':
                continue

            try:
                node = Node.objects.get(pk=old_node.id)
            except Node.DoesNotExist:
                node = Node(id=old_node.id)
                node.data = {}

            node.user_id = self.users_dict[old_node.email]['id']
            node.name = old_node.name
            node.slug = old_node.slug
            node.geometry = Point(old_node.lng, old_node.lat)
            node.elev = old_node.alt
            node.description = old_node.description
            node.notes = old_node.notes
            node.added = old_node.added
            node.updated = old_node.updated
            node.data['imported'] = 'true'

            intersecting_layers = node.intersecting_layers
            # if more than one intersecting layer
            if len(intersecting_layers) > 1:
                # prompt user
                answer = self.prompt_layer_selection(node, intersecting_layers)
                if isinstance(answer, int):
                    node.layer_id = answer
                elif answer == 'default' and self.default_layer is not False:
                    node.layer_id = self.default_layer
                else:
                    self.message('Node %s discarded' % node.name)
                    continue
            # if one intersecting layer select that
            elif 2 > len(intersecting_layers) > 0:
                node.layer = intersecting_layers[0]
            # if no intersecting layers
            else:
                if self.default_layer is False:
                    # discard node if no default layer specified
                    self.message("""Node %s discarded because is not contained
                                 in any specified layer and no default layer specified""" % node.name)
                    continue
                else:
                    node.layer_id = self.default_layer

            if old_node.postal_code:
                # additional info
                node.data['postal_code'] = old_node.postal_code

            # is it a hotspot?
            if old_node.status in ['h', 'ah']:
                node.data['is_hotspot'] = 'true'

            # determine status according to settings
            if self.status_mapping:
                node.status_id = self.get_status(old_node.status)

            try:
                node.full_clean()
                node.save(auto_update=False)
                saved_nodes.append(node)
                self.verbose('Saved node %s in layer %s with status %s' % (node.name, node.layer, node.status.name))
            except Exception:
                tb = traceback.format_exc()
                self.message('Could not save node %s, got exception:\n\n%s' % (node.name, tb))

        self.message('saved %d nodes into local DB' % len(saved_nodes))
        self.saved_nodes = saved_nodes

# 需要导入模块: from nodeshot.core.nodes.models import Node [as 别名]
# 或者: from nodeshot.core.nodes.models.Node import slug [as 别名]
 def process_borders(self,borders):
     if not borders:
         self.message = """
         Borders data not processed.
         """
         return False
     # retrieve all items
     items = borders
     
     # init empty lists
     added_nodes = []
     changed_nodes = []
     unmodified_nodes = []
     
     # retrieve a list of local nodes in DB
     local_nodes_slug = Node.objects.filter(layer=self.layer).values_list('slug', flat=True)
     # init empty list of slug of external nodes that will be needed to perform delete operations
     external_nodes_slug = []
     deleted_nodes_count = 0
     
     try:
         self.status = Status.objects.get(slug=self.config.get('status', None))
     except Status.DoesNotExist:
         self.status = None
     
     # loop over every parsed item
     for item in items:
         # retrieve info in auxiliary variables
         # readability counts!
         name = item['properties'].get('name', '')[0:70]
         address = name
         slug = slugify(name)
         #print(slug)
         number = 1
         original_name = name
         needed_different_name = False
         
         while True:
             # items might have the same name... so we add a number..
             if slug in external_nodes_slug:
                 needed_different_name = True
                 number = number + 1
                 name = "%s - %d" % (original_name, number)
                 slug = slug = slugify(name)                    
             else:
                 if needed_different_name:
                     self.verbose('needed a different name for %s, trying "%s"' % (original_name, name))
                 break
         
         # geometry object
         geometry = GEOSGeometry(json.dumps(item["geometry"]))
         
         # default values
         added = False
         changed = False
         
         try:
             # edit existing node
             node = Node.objects.get(slug=slug)
         except Node.DoesNotExist:
             # add a new node
             node = Node()
             node.layer = self.layer
             node.status = self.status
             node.data = {}
             added = True
         
         if node.name != name:
             node.name = name
             changed = True
         
         if node.slug != slug:
             node.slug = slug
             changed = True
         
         if added is True or node.geometry.equals(geometry) is False:
             node.geometry = geometry
             changed = True
         
         if node.address != address:
             node.address = address
             changed = True
         
         # perform save or update only if necessary
         if added or changed:
             try:
                 node.full_clean()
                 node.save()
             except ValidationError as e:
                 # TODO: are we sure we want to interrupt the execution?
                 raise Exception("%s import errors: %s" % (name, e.messages))
         
         if added:
             added_nodes.append(node)
             self.verbose('new node saved with name "%s"' % node.name)
         elif changed:
             changed_nodes.append(node)
             self.verbose('node "%s" updated' % node.name)
         else:
             unmodified_nodes.append(node)
#.........这里部分代码省略.........

# 需要导入模块: from nodeshot.core.nodes.models import Node [as 别名]
# 或者: from nodeshot.core.nodes.models.Node import slug [as 别名]
    def save(self):
        """ synchronize DB """
        # retrieve all items
        items = self.parsed_data.getElementsByTagName('AccessPoint')

        # init empty lists
        added_nodes = []
        changed_nodes = []
        unmodified_nodes = []

        # retrieve a list of local nodes in DB
        local_nodes_slug = Node.objects.filter(layer=self.layer).values_list('slug', flat=True)
        # init empty list of slug of external nodes that will be needed to perform delete operations
        external_nodes_slug = []
        deleted_nodes_count = 0

        try:
            self.status = Status.objects.get(slug=self.config.get('status', None))
        except Status.DoesNotExist:
            self.status = None

        # loop over every parsed item
        for item in items:
            # retrieve info in auxiliary variables
            # readability counts!
            name = self.get_text(item, 'Denominazione')[0:70]
            slug = slugify(name)

            number = 1
            original_name = name
            needed_different_name = False

            while True:
                # items might have the same name... so we add a number..
                if slug in external_nodes_slug:
                    needed_different_name = True
                    number = number + 1
                    name = "%s - %d" % (original_name, number)
                    slug = slug = slugify(name)
                else:
                    if needed_different_name:
                        self.verbose('needed a different name for %s, trying "%s"' % (original_name, name))
                    break

            lat = self.get_text(item, 'Latitudine')
            lng = self.get_text(item, 'longitudine')
            description = 'Indirizzo: %s, %s; Tipologia: %s' % (
                self.get_text(item, 'Indirizzo'),
                self.get_text(item, 'Comune'),
                self.get_text(item, 'Tipologia')
            )
            address = '%s, %s' % (
                self.get_text(item, 'Indirizzo'),
                self.get_text(item, 'Comune')
            )

            # point object
            point = Point(float(lng), float(lat))

            # default values
            added = False
            changed = False

            try:
                # edit existing node
                node = Node.objects.get(slug=slug)
            except Node.DoesNotExist:
                # add a new node
                node = Node()
                node.layer = self.layer
                node.status = self.status
                added = True

            if node.name != name:
                node.name = name
                changed = True

            if node.slug != slug:
                node.slug = slug
                changed = True

            if added is True or node.geometry.equals(point) is False:
                node.geometry = point
                changed = True

            if node.description != description:
                node.description = description
                changed = True

            if node.address != address:
                node.address = address  # complete address
                node.data = {
                    'address': self.get_text(item, 'Indirizzo'),
                    'city': self.get_text(item, 'Comune'),
                    'province': 'Roma',
                    'country': 'Italia'
                }
                changed = True

            # perform save or update only if necessary
#.........这里部分代码省略.........