/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/table.py
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revision 1371 by bh, Fri Jul 4 18:19:16 2003 UTC revision 1599 by bh, Mon Aug 18 12:45:28 2003 UTC
# Line 132  class DBFTable(TitledObject, OldTableInt Line 132  class DBFTable(TitledObject, OldTableInt
132      # work because a DBF file object buffers some data      # work because a DBF file object buffers some data
133    
134      def __init__(self, filename):      def __init__(self, filename):
135          self.filename = filename          self.filename = os.path.abspath(filename)
136    
137          # Omit the extension in the title as it's not really needed and          # Omit the extension in the title as it's not really needed and
138          # it can be confusing because dbflib removes extensions and          # it can be confusing because dbflib removes extensions and
# Line 465  def _find_dbf_column_names(names): Line 465  def _find_dbf_column_names(names):
465    
466      return name_map      return name_map
467    
468  def table_to_dbf(table, filename):  def table_to_dbf(table, filename, rows = None):
469      """Create the dbf file filename from the table"""      """Create the dbf file filename from the table.
470        
471        If rows is not None (the default) then it must be a list of row
472        indices to be saved to the file, otherwise all rows are saved.
473        """
474    
475      dbf = dbflib.create(filename)      dbf = dbflib.create(filename)
476    
477      dbflib_fieldtypes = {FIELDTYPE_STRING: dbflib.FTString,      dbflib_fieldtypes = {FIELDTYPE_STRING: dbflib.FTString,
# Line 486  def table_to_dbf(table, filename): Line 491  def table_to_dbf(table, filename):
491          dbf.add_field(name_map[col.name], dbflib_fieldtypes[col.type],          dbf.add_field(name_map[col.name], dbflib_fieldtypes[col.type],
492                        width, prec)                        width, prec)
493    
494      for i in range(table.NumRows()):      if rows is None:
495            rows = range(table.NumRows())
496    
497        recNum = 0
498        for i in rows:
499          record = {}          record = {}
500          for key, value in table.ReadRowAsDict(i).items():          for key, value in table.ReadRowAsDict(i).items():
501              record[name_map[key]] = value              record[name_map[key]] = value
502          dbf.write_record(i, record)          dbf.write_record(recNum, record)
503            recNum += 1
504      dbf.close()      dbf.close()
505    
506  def table_to_csv(table, filename):  def table_to_csv(table, filename, rows = None):
507      """Export table to csv file."""      """Export table to csv file.
508        
509        If rows is not None (the default) then it must be a list of row
510        indices to be saved to the file, otherwise all rows are saved.
511        """
512    
513      file = open(filename,"w")      file = open(filename,"w")
514      columns = table.Columns()      columns = table.Columns()
# Line 505  def table_to_csv(table, filename): Line 519  def table_to_csv(table, filename):
519          header = header + "\n"          header = header + "\n"
520          file.write(header)          file.write(header)
521    
522          for i in range(table.NumRows()):          if rows is None:
523                rows = range(table.NumRows())
524    
525            for i in rows:
526              record = table.ReadRowAsDict(i)              record = table.ReadRowAsDict(i)
527              if len(record):              if len(record):
528                  line = "%s" % record[columns[0].name]                  line = "%s" % record[columns[0].name]
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