本文整理汇总了Python中avro.datafile.DataFileReader.read方法的典型用法代码示例。如果您正苦于以下问题：Python DataFileReader.read方法的具体用法？Python DataFileReader.read怎么用？Python DataFileReader.read使用的例子？那么, 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avro.datafile.DataFileReader的用法示例。
在下文中一共展示了DataFileReader.read方法的2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: main
# 需要导入模块: from avro.datafile import DataFileReader [as 别名]
# 或者: from avro.datafile.DataFileReader import read [as 别名]
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], "hi:s:", ["help", "input-file=",
"schema="])
except getopt.GetoptError as err:
# print help information and exit:
print str(err) # will print something like "option -a not recognized"
usage(sys.argv[0])
sys.exit(2)
avro_file = None
avro_schema_file = None
required_cl = 0
for o, a in opts:
if o in ("-h", "--help"):
usage(sys.argv[0])
sys.exit()
elif o in ("-i", "--input-file"):
required_cl += 1
avro_file = a
elif o in ("-s", "--schema"):
avro_schema_file = a
else:
assert False, "unhandled option"
if (required_cl < 1):
print "ERROR: Missing required argument"
usage(sys.argv[0])
sys.exit(1)
if not avro_schema_file:
reader = DataFileReader(open(avro_file, "r"), DatumReader())
for datum in reader:
print datum
reader.close()
else:
reader_schema = open(avro_schema_file, "r")
avro_schema = reader_schema.read()
reader_schema.close()
parsed_avro_schema = avro.schema.parse(avro_schema)
with open(avro_file, "rb") as reader_data:
inputio = io.BytesIO(reader_data.read())
decoder = avro.io.BinaryDecoder(inputio)
reader = avro.io.DatumReader(parsed_avro_schema)
while inputio.tell() < len(inputio.getvalue()):
avro_datum = reader.read(decoder)
print avro_datum
reader_data.close()示例2: getit
# 需要导入模块: from avro.datafile import DataFileReader [as 别名]
# 或者: from avro.datafile.DataFileReader import read [as 别名]
def getit(avroType):
reader = DataFileReader(urllib.urlopen(url), DatumReader())
return reader.read()