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CSV import now respects NULLability of columns.

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Empty strings loaded into NULL columns are changed to NULL instead.
This commit is contained in:
Eevee 2009-03-08 21:34:48 -04:00
parent 20c9c23f51
commit ac325b620d
1 changed files with 10 additions and 4 deletions
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14
pokedex/__init__.py
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@ -43,14 +43,20 @@ def csvimport(engine_uri, dir='.'):
print table_name
reader = csv.reader(open("%s/%s.csv" % (dir, table_name), 'rb'), lineterminator='\n')
columns = [unicode(column) for column in reader.next()]
column_names = [unicode(column) for column in reader.next()]
for csvs in reader:
row = table()
for column, value in zip(columns, csvs):
value = value.decode('utf-8')
setattr(row, column, value)
for column_name, value in zip(column_names, csvs):
if table.__table__.c[column_name].nullable and value == '':
# Empty string in a nullable column really means NULL
value = None
else:
# Otherwise, unflatten from bytes
value = value.decode('utf-8')
setattr(row, column_name, value)
session.add(row)