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85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
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from sextante.servertools.geoserver.support import ResourceInfo, bbox, write_bbox, \
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write_string, xml_property, url
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def _maybe_text(n):
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if n is None:
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return None
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else:
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return n.text
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def _layer_list(node):
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if node is not None:
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return [_maybe_text(n.find("name")) for n in node.findall("layer")]
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def _style_list(node):
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if node is not None:
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return [_maybe_text(n.find("name")) for n in node.findall("style")]
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def _write_layers(builder, layers):
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builder.start("layers", dict())
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for l in layers:
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builder.start("layer", dict())
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if l is not None:
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builder.start("name", dict())
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builder.data(l)
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builder.end("name")
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builder.end("layer")
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builder.end("layers")
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def _write_styles(builder, styles):
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builder.start("styles", dict())
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for s in styles:
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builder.start("style", dict())
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if s is not None:
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builder.start("name", dict())
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builder.data(s)
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builder.end("name")
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builder.end("style")
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builder.end("styles")
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class LayerGroup(ResourceInfo):
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"""
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Represents a layer group in geoserver
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"""
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resource_type = "layerGroup"
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save_method = "PUT"
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def __init__(self, catalog, name):
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super(LayerGroup, self).__init__()
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assert isinstance(name, basestring)
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self.catalog = catalog
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self.name = name
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@property
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def href(self):
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return url(self.catalog.service_url, ["layergroups", self.name + ".xml"])
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styles = xml_property("styles", _style_list)
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layers = xml_property("layers", _layer_list)
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bounds = xml_property("bounds", bbox)
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writers = dict(
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name = write_string("name"),
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styles = _write_styles,
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layers = _write_layers,
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bounds = write_bbox("bounds")
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)
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def __str__(self):
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return "<LayerGroup %s>" % self.name
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__repr__ = __str__
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class UnsavedLayerGroup(LayerGroup):
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save_method = "POST"
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def __init__(self, catalog, name, layers, styles, bounds):
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super(UnsavedLayerGroup, self).__init__(catalog, name)
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self.dirty.update(name = name, layers = layers, styles = styles, bounds = bounds)
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@property
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def href(self):
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return "%s/layergroups?name=%s" % (self.catalog.service_url, self.name)
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