/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/resource.py
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revision 718 by jonathan, Wed Apr 23 10:39:46 2003 UTC revision 739 by jonathan, Fri Apr 25 09:13:48 2003 UTC
# Line 10  import Thuban Line 10  import Thuban
10  from Thuban.Model.load import XMLReader  from Thuban.Model.load import XMLReader
11  from Thuban.Model.save import XMLWriter  from Thuban.Model.save import XMLWriter
12  from Thuban.Model.proj import Projection, ProjFile  from Thuban.Model.proj import Projection, ProjFile
13    from xml.sax import SAXParseException
14    
15  projdir = \  projdir = \
16          os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Projections")          os.path.join(Thuban.__path__[0], os.pardir, "Resources", "Projections")
# Line 31  def ReadProjFile(filename): Line 32  def ReadProjFile(filename):
32      return handler.GetProjFile()      return handler.GetProjFile()
33    
34  def WriteProjFile(pf):  def WriteProjFile(pf):
35        """Write a single .proj file
36    
37        Raises IOError if the file cannot be written.
38        """
39    
40      saver = ProjFileSaver(pf)      saver = ProjFileSaver(pf)
41      saver.write(pf.GetFileName())      saver.write(pf.GetFilename())
42    
43  def GetProjFiles(dir):  def GetProjFiles(dir):
44      """Read all .proj files in the given directory and      """Read all .proj files in the given directory and
# Line 57  def GetProjFiles(dir): Line 63  def GetProjFiles(dir):
63  def GetSystemProjFiles():  def GetSystemProjFiles():
64      """Return a list of ProjFile objects from files that are      """Return a list of ProjFile objects from files that are
65      supplied by Thuban.      supplied by Thuban.
66    
67        If no files could not be opened return a list with one
68        empty projection file set to store data in the default file.
69      """      """
70      return GetProjFiles(projdir)      filename = os.path.join(projdir, "defaults.proj")
71        try:
72            return [ReadProjFile(filename)]
73        except (OSError, IOError, SAXParseException):
74            return [ProjFile(filename)]
75    
76  def GetUserProjFiles():  def GetUserProjFiles():
77      """Return a list of ProjFile objects from files that are user-defined."""      """Return a list of ProjFile objects from files that are user-defined.
78      return GetProjFiles(usrdir)  
79        If no files could not be opened return a list with one
80        empty projection file set to store data in the default file.
81        """
82    
83        filename = os.path.join(usrdir, "user.proj")
84        try:
85            return [ReadProjFile(filename)]
86        except (OSError, IOError, SAXParseException):
87            return [ProjFile(filename)]
88    
89  class ProjFileReader(XMLReader):  class ProjFileReader(XMLReader):
90    
# Line 77  class ProjFileReader(XMLReader): Line 99  class ProjFileReader(XMLReader):
99      def read(self, file_or_filename):      def read(self, file_or_filename):
100          XMLReader.read(self, file_or_filename)          XMLReader.read(self, file_or_filename)
101    
102          self.__pf.SetFileName(XMLReader.GetFileName(self))          self.__pf.SetFilename(XMLReader.GetFilename(self))
103                    
104      def start_projection(self, name, qname, attrs):      def start_projection(self, name, qname, attrs):
105          self.params = []          self.params = []
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