/[thuban]/branches/WIP-pyshapelib-bramz/Extensions/wms/capabilities.py
ViewVC logotype

Diff of /branches/WIP-pyshapelib-bramz/Extensions/wms/capabilities.py

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2137 by joey, Wed Mar 24 20:07:34 2004 UTC revision 2150 by joey, Thu Apr 1 14:39:39 2004 UTC
# Line 19  Line 19 
19  """  """
20  Maintain WMS Capabilities  Maintain WMS Capabilities
21    
22    Inherits methods from WMSCapabilitiesParser
23    
24  class WMSCapabilities:  class WMSCapabilities:
25      __init__ (resource xor filename xor nothing)      __init__ (resource xor filename xor nothing)
26    
27      getErrorMsg()      getErrorMsg()
28    
29      fetchCapabilities(*resource)      fetchCapabilities(resource)
30      saveCapabilities(filename)      saveCapabilities(filename)
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 67  if __name__ == "__main__": Line 71  if __name__ == "__main__":
71  from Thuban import _  from Thuban import _
72    
73  from ogclib.WMSClient import WMSClient  from ogclib.WMSClient import WMSClient
74    from parser import WMSCapabilitiesParser
75    
76  class WMSCapabilities(WMSClient):  class WMSCapabilities(WMSClient, WMSCapabilitiesParser):
77      """      """
78      Thuban class to maintain capabilities.  This class provides      Thuban class to maintain capabilities.  This class provides
79      methods to fetch, save and load capabilities as well as methods to      methods to fetch, save and load capabilities as well as methods to
# Line 89  class WMSCapabilities(WMSClient): Line 94  class WMSCapabilities(WMSClient):
94          """          """
95          Initialises Capabilities with one optional parameter          Initialises Capabilities with one optional parameter
96    
97            param can be either a URL or a filename:
98    
99          filename -- load capabilities from file          filename -- load capabilities from file
100          url -- fetch capabilities from network          url -- fetch capabilities from network
101          """          """
# Line 101  class WMSCapabilities(WMSClient): Line 108  class WMSCapabilities(WMSClient):
108                      self.fetchCapabilities(parm[0])                      self.fetchCapabilities(parm[0])
109                  else:                  else:
110                      self.errorMsg \                      self.errorMsg \
111                          = _("Resource '%s' is neither local file nor URL")                          = _("Resource '%s' is neither local file nor URL") \
112                              % parm[0]                          % parm[0]
113    
114    
115      def getErrorMsg(self):      def getErrorMsg(self):
# Line 117  class WMSCapabilities(WMSClient): Line 124  class WMSCapabilities(WMSClient):
124          if not self.capabilities:          if not self.capabilities:
125              self.wmsVersion = "1.0"              self.wmsVersion = "1.0"
126              self.capabilities = self.getCapabilities(resource, self.wmsVersion)              self.capabilities = self.getCapabilities(resource, self.wmsVersion)
127                if not self.capabilities:
128                    self.wmsVersion = None
129    
130            if self.capabilities:
131                self.grok(self.capabilities)
132    
133    
134      def saveCapabilities(self, fname):      def saveCapabilities(self, fname):
# Line 129  class WMSCapabilities(WMSClient): Line 141  class WMSCapabilities(WMSClient):
141                  out = open(fname, "w")                  out = open(fname, "w")
142                  out.write(self.capabilities)                  out.write(self.capabilities)
143                  out.close()                  out.close()
144              except:              except IOError:
145                  self.errorMsg = _("Can't open file '%s' for writing") % fname                  self.errorMsg = _("Can't open file '%s' for writing") % fname
146    
147    
# Line 140  class WMSCapabilities(WMSClient): Line 152  class WMSCapabilities(WMSClient):
152              input = open(fname, "r")              input = open(fname, "r")
153              self.capabilities = input.read()              self.capabilities = input.read()
154              input.close()              input.close()
155          except:              self.grok(self.capabilities)
156            except IOError:
157              self.errorMsg = _("Can't open file '%s' for reading") % fname              self.errorMsg = _("Can't open file '%s' for reading") % fname
158    
159    
# Line 150  class WMSCapabilities(WMSClient): Line 163  class WMSCapabilities(WMSClient):
163          print self.capabilities          print self.capabilities
164    
165    
166        def getVersion(self):
167            """
168            Returns the WMS protocol version
169    
170            If no capabilities could be fetched, None is returned.
171            """
172            return self.wmsVersion
173    
174    
175  if __name__ == "__main__":  if __name__ == "__main__":
176      capabilities \      capabilities \
177          = WMSCapabilities("http://frida.intevation.org/cgi-bin/frida_wms?")          = WMSCapabilities("http://frida.intevation.org/cgi-bin/frida_wms?")
178      if capa.getErrorMsg() is None:      if capabilities.getErrorMsg() is None:
179          capa.saveCapabilities("frida_capabilities.xml")          capabilities.saveCapabilities("frida_capabilities.xml")
180      else:      else:
181          print "Error: " + capa.getErrorMsg()          print "Error: " + capabilities.getErrorMsg()
Legend:
Removed from v.2137  
changed lines
  Added in v.2150
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26