| 33 |
dbflib.FTDouble: FIELDTYPE_DOUBLE} |
dbflib.FTDouble: FIELDTYPE_DOUBLE} |
| 34 |
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| 35 |
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class OldTableInterfaceMixin: |
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|
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"""Mixin to implement the old table interface using the new one""" |
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|
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def __deprecation_warning(self): |
|
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"""Issue a DeprecationWarning for code hat uses the old interface""" |
|
|
callername = inspect.currentframe().f_back.f_code.co_name |
|
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warnings.warn("The %s method of the old table interface" |
|
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" is deprecated" % callername, |
|
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DeprecationWarning, stacklevel = 3) |
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|
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def record_count(self): |
|
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self.__deprecation_warning() |
|
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return self.NumRows() |
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|
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def field_count(self): |
|
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self.__deprecation_warning() |
|
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return self.NumColumns() |
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def field_info(self, field): |
|
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"""Return a tuple (type, name, width, prec) for the field no. field |
|
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|
|
|
type is the data type of the field, name the name, width the |
|
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field width in characters and prec the decimal precision. width |
|
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and prec will be zero if the information returned by the Column |
|
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method doesn't provide values for them. |
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""" |
|
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self.__deprecation_warning() |
|
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col = self.Column(field) |
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return (col.type, col.name, |
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getattr(col, "width", 0), getattr(col, "prec", 0)) |
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def field_info_by_name(self, col): |
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self.__deprecation_warning() |
|
|
try: |
|
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return self.field_info(col) |
|
|
except KeyError: |
|
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# FIXME: It may be that field_info raises other exceptions |
|
|
# when the name is not a valid column name. |
|
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return None |
|
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|
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def field_range(self, fieldName): |
|
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self.__deprecation_warning() |
|
|
min, max = self.ValueRange(fieldName) |
|
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return ((min, None), (max, None)) |
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def GetUniqueValues(self, field): |
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self.__deprecation_warning() |
|
|
return self.UniqueValues(field) |
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def read_record(self, r): |
|
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self.__deprecation_warning() |
|
|
return self.ReadRowAsDict(r) |
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| 36 |
class DBFColumn: |
class DBFColumn: |
| 37 |
|
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| 38 |
"""Description of a column in a DBFTable |
"""Description of a column in a DBFTable |
| 55 |
self.index = index |
self.index = index |
| 56 |
|
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| 57 |
|
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| 58 |
class DBFTable(TitledObject, OldTableInterfaceMixin): |
class DBFTable(TitledObject): |
| 59 |
|
|
| 60 |
""" |
""" |
| 61 |
Table interface for the data in a DBF file |
Table interface for the data in a DBF file |
| 245 |
self.type = type |
self.type = type |
| 246 |
self.index = index |
self.index = index |
| 247 |
|
|
| 248 |
class MemoryTable(TitledObject, OldTableInterfaceMixin): |
class MemoryTable(TitledObject): |
| 249 |
|
|
| 250 |
"""Very simple table implementation that operates on a list of tuples""" |
"""Very simple table implementation that operates on a list of tuples""" |
| 251 |
|
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Revision Log
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Patch