- for csvs in reader:
- row = table()
-
- 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)
-
- session.commit()
-
- # Shouldn't matter since this is usually the end of the program and thus
- # the connection too, but let's change this back just in case
- if 'mysql' in engine_uri:
- session.execute('SET FOREIGN_KEY_CHECKS = 1')
-
-
-def csvexport(engine_uri, dir='.'):
- import csv
- session = connect(engine_uri)
-
- for table_name in sorted(metadata.tables.keys()):
- print table_name
- table = metadata.tables[table_name]
-
- writer = csv.writer(open("%s/%s.csv" % (dir, table_name), 'wb'), lineterminator='\n')
- columns = [col.name for col in table.columns]
- writer.writerow(columns)
-
- for row in session.query(table).all():
- csvs = []
- for col in columns:
- # Convert Pythony values to something more universal
- val = getattr(row, col)
- if val == None:
- val = ''
- elif val == True:
- val = '1'
- elif val == False:
- val = '0'
- else:
- val = unicode(val).encode('utf-8')
-
- csvs.append(val)