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Add option my_range to method iterRecords #308

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Add option my_range to method iterRecords #308

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6 changes: 4 additions & 2 deletions shapefile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1809,7 +1809,7 @@ def records(self, fields=None):
records.append(r)
return records

def iterRecords(self, fields=None):
def iterRecords(self, fields=None, my_range=None):
"""Returns a generator of records in a dbf file.
Useful for large shapefiles or dbf files.
To only read some of the fields, specify the 'fields' arg as a
Expand All @@ -1820,7 +1820,9 @@ def iterRecords(self, fields=None):
f = self.__getFileObj(self.dbf)
f.seek(self.__dbfHdrLength)
fieldTuples, recLookup, recStruct = self.__recordFields(fields)
for i in xrange(self.numRecords):
if my_range is None:
my_range = xrange(self.numRecords)
for i in my_range:
r = self.__record(
oid=i, fieldTuples=fieldTuples, recLookup=recLookup, recStruct=recStruct
)
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