/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/transientdb.py
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revision 1009 by frank, Fri May 23 08:26:58 2003 UTC revision 1020 by jan, Fri May 23 13:03:07 2003 UTC
# Line 22  import os Line 22  import os
22  import weakref  import weakref
23  from sqlite import connect  from sqlite import connect
24    
25    from base import TitledObject
26    
27  import table  import table
28    
29  sql_type_map = {  sql_type_map = {
# Line 289  class TransientTableBase(table.OldTableI Line 291  class TransientTableBase(table.OldTableI
291          raise NotImplementedError          raise NotImplementedError
292    
293    
294  class TransientTable(TransientTableBase):  class TransientTable(TitledObject, TransientTableBase):
295    
296      """A Table in a transient DB that starts as the copy of a Thuban Table."""      """A Table in a transient DB that starts as the copy of a Thuban Table."""
297    
# Line 300  class TransientTable(TransientTableBase) Line 302  class TransientTable(TransientTableBase)
302          interface.          interface.
303          """          """
304          TransientTableBase.__init__(self, transient_db)          TransientTableBase.__init__(self, transient_db)
305          self.title = table.Title()          TitledObject.__init__(self, table.Title())
306          self.create(table)          self.create(table)
307    
     def Title(self):  
         """Return the title of the table.  
   
         The title is the same as that of the original table  
         """  
         return self.title  
   
308      def create(self, table):      def create(self, table):
309          columns = []          columns = []
310          for col in table.Columns():          for col in table.Columns():
# Line 341  class TransientTable(TransientTableBase) Line 336  class TransientTable(TransientTableBase)
336    
337    
338    
339  class TransientJoinedTable(TransientTableBase):  class TransientJoinedTable(TitledObject, TransientTableBase):
340    
341      """A Table in the transient DB that contains a join of two tables"""      """A Table in the transient DB that contains a join of two tables"""
342    
# Line 372  class TransientJoinedTable(TransientTabl Line 367  class TransientJoinedTable(TransientTabl
367          else:          else:
368              self.right_field = self.left_field              self.right_field = self.left_field
369          self.outer_join = outer_join          self.outer_join = outer_join
         self.create()  
370    
371      def Title(self):          title = "Join of %(left)s and %(right)s" \
372          """Return the title of the joined table"""                  % {"left": self.left_table.Title(),
373          return "Join of %(left)s and %(right)s" \                     "right": self.right_table.Title()}
374                 % {"left": self.left_table.Title(),          TitledObject.__init__(self, title)
375                    "right": self.right_table.Title()}  
376            self.create()
377    
378      def create(self):      def create(self):
379          """Internal: Create the table with the joined data"""          """Internal: Create the table with the joined data"""
# Line 422  class TransientJoinedTable(TransientTabl Line 417  class TransientJoinedTable(TransientTabl
417          return self.dependencies          return self.dependencies
418    
419    
420  class AutoTransientTable(table.OldTableInterfaceMixin):  class AutoTransientTable(TitledObject, table.OldTableInterfaceMixin):
421    
422      """Table that copies data to a transient table on demand.      """Table that copies data to a transient table on demand.
423    
# Line 431  class AutoTransientTable(table.OldTableI Line 426  class AutoTransientTable(table.OldTableI
426      """      """
427    
428      def __init__(self, transient_db, table):      def __init__(self, transient_db, table):
429            TitledObject.__init__(self, table.Title())
430          self.transient_db = transient_db          self.transient_db = transient_db
431          self.table = table          self.table = table
432          self.t_table = None          self.t_table = None
433    
     def Title(self):  
         """Return the title of the table.  
   
         The title is the same as that of the original table.  
         """  
         return self.table.Title()  
   
434      def Columns(self):      def Columns(self):
435          return self.table.Columns()          return self.table.Columns()
436    
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