本文整理汇总了Python中fastavro.six.MemoryIO.getvalue方法的典型用法代码示例。如果您正苦于以下问题：Python MemoryIO.getvalue方法的具体用法？Python MemoryIO.getvalue怎么用？Python MemoryIO.getvalue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类fastavro.six.MemoryIO的用法示例。
在下文中一共展示了MemoryIO.getvalue方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: check
# 需要导入模块: from fastavro.six import MemoryIO [as 别名]
# 或者: from fastavro.six.MemoryIO import getvalue [as 别名]
def check(filename):
with open(filename, 'rb') as fo:
reader = fastavro.reader(fo)
assert hasattr(reader, 'schema'), 'no schema on file'
if basename(filename) in NO_DATA:
return
records = list(reader)
assert len(records) > 0, 'no records found'
new_file = MemoryIO()
fastavro.writer(new_file, reader.schema, records, reader.codec)
new_file_bytes = new_file.getvalue()
new_file = NoSeekMemoryIO(new_file_bytes)
new_reader = fastavro.reader(new_file)
assert hasattr(new_reader, 'schema'), "schema wasn't written"
assert new_reader.schema == reader.schema
assert new_reader.codec == reader.codec
new_records = list(new_reader)
assert new_records == records
# Test schema migration with the same schema
new_file = NoSeekMemoryIO(new_file_bytes)
schema_migration_reader = fastavro.reader(new_file, reader.schema)
assert schema_migration_reader.reader_schema == reader.schema
new_records = list(schema_migration_reader)
assert new_records == records