/[thuban]/branches/WIP-pyshapelib-bramz/Extensions/wms/capabilities.py
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trunk/thuban/Extensions/wms/capabilities.py revision 2149 by joey, Thu Apr 1 10:17:00 2004 UTC branches/WIP-pyshapelib-bramz/Extensions/wms/capabilities.py revision 2734 by bramz, Thu Mar 1 12:42:59 2007 UTC
# Line 31  class WMSCapabilities: Line 31  class WMSCapabilities:
31      loadCapabilities(filename)      loadCapabilities(filename)
32      printCapabilities()      printCapabilities()
33    
34        getVersion()
35    
36  Requirements:  Requirements:
37      - PyOGCLib <http://www.sourceforge.net/projects/pyogclib>      - PyOGCLib <http://www.sourceforge.net/projects/pyogclib>
38    
# Line 115  class WMSCapabilities(WMSClient, WMSCapa Line 117  class WMSCapabilities(WMSClient, WMSCapa
117    
118    
119      def fetchCapabilities(self, resource):      def fetchCapabilities(self, resource):
120          """Fetches the WMS capabilities from an Internet resource"""          """
121            Fetches the WMS capabilities from an Internet resource
122    
123            WMS Protocol version 1.1 is tried first, then 1.0.  The
124            protocol version used can be queried by the getVersion()
125            method for later use.  If both tries fail, errorMsg will be
126            set accordingly, which can be fetched with getErrorMsg().
127            """
128    
129          self.wmsVersion = "1.1"          self.wmsVersion = "1.1"
130          self.capabilities = self.getCapabilities(resource, self.wmsVersion)          self.capabilities = self.getCapabilities(resource, self.wmsVersion)
131          if not self.capabilities:          if not self.capabilities:
132              self.wmsVersion = "1.0"              self.wmsVersion = "1.0"
133              self.capabilities = self.getCapabilities(resource, self.wmsVersion)              self.capabilities = self.getCapabilities(resource, self.wmsVersion)
134                if not self.capabilities:
135                    self.wmsVersion = None
136                    self.errorMsg \
137                        = _("Resource '%s' "
138                            "does support neither WMS version 1.1 nor 1.0") \
139                            % resource
140    
141          if self.capabilities:          if self.capabilities:
142              self.grok(self.capabilities)              self.grok(self.capabilities)
# Line 159  class WMSCapabilities(WMSClient, WMSCapa Line 174  class WMSCapabilities(WMSClient, WMSCapa
174          print self.capabilities          print self.capabilities
175    
176    
177        def getVersion(self):
178            """
179            Returns the WMS protocol version
180    
181            If no capabilities could be fetched, None is returned.
182            """
183            return self.wmsVersion
184    
185    
186  if __name__ == "__main__":  if __name__ == "__main__":
187      capabilities \      capabilities \
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