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https://issues.apache.org/jira/browse/THRIFT-5191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zezeng Wang updated THRIFT-5191:
--------------------------------
Description:
TZlibTransport cannot read strings of the same length when writing a string of
length less than 3.
this may be a bug.
example:
import _import_local_thrift
from thrift.transport import TTransport
from thrift.transport import TZlibTransport
if __name__ == '__main__':
buff = TTransport.TMemoryBuffer()
trans = TTransport.TBufferedTransportFactory().getTransport(buff)
zlib_trans = TZlibTransport.TZlibTransport(trans)
data = 'aa'
zlib_trans.write(data.encode('utf-8'))
zlib_trans.flush()
value = buff.getvalue()
buff = TTransport.TMemoryBuffer(value)
trans = TTransport.TBufferedTransportFactory().getTransport(buff)
zlib_trans = TZlibTransport.TZlibTransport(trans)
data_r = zlib_trans.read(len(data))
print("write data:{}".format(data))
print("write data len :{}".format(len(data)))
print("read data:{}".format(data_r))
print("read data len:{}".format(len(data_r)))
test result:
len <3:
write data:aa
write data len :2
read data:b'a'
read data len:1
len>3:
write data:aaa
write data len :3
read data:b'aaa'
read data len:3
was:
TZlibTransport cannot read strings of the same length when writing a string of
length less than 3.
this may be a bug.
example:
import _import_local_thrift
from thrift.transport import TTransport
from thrift.transport import TZlibTransport
if __name__ == '__main__':
buff = TTransport.TMemoryBuffer()
trans = TTransport.TBufferedTransportFactory().getTransport(buff)
zlib_trans = TZlibTransport.TZlibTransport(trans)
data = 'aaa'
zlib_trans.write(data.encode('utf-8'))
zlib_trans.flush()
value = buff.getvalue()
buff = TTransport.TMemoryBuffer(value)
trans = TTransport.TBufferedTransportFactory().getTransport(buff)
zlib_trans = TZlibTransport.TZlibTransport(trans)
data_r = zlib_trans.read(len(data))
print("write data:{}".format(data))
print("write data len :{}".format(len(data)))
print("read data:{}".format(data_r))
print("read data len:{}".format(len(data_r)))
test result:
len <3:
write data:aa
write data len :2
read data:b'a'
read data len:1
len>3:
write data:aaa
write data len :3
read data:b'aaa'
read data len:3
> TZlibTransport cannot read strings of the same length when writing a string
> of length less than 3
> -------------------------------------------------------------------------------------------------
>
> Key: THRIFT-5191
> URL: https://issues.apache.org/jira/browse/THRIFT-5191
> Project: Thrift
> Issue Type: Bug
> Components: Python - Library
> Affects Versions: 0.13.0
> Environment: Environment : Ubuntu 18.04.4
> version : 0.13.0
> Reporter: Zezeng Wang
> Priority: Minor
>
> TZlibTransport cannot read strings of the same length when writing a string
> of length less than 3.
> this may be a bug.
> example:
> import _import_local_thrift
> from thrift.transport import TTransport
> from thrift.transport import TZlibTransport
> if __name__ == '__main__':
> buff = TTransport.TMemoryBuffer()
> trans = TTransport.TBufferedTransportFactory().getTransport(buff)
> zlib_trans = TZlibTransport.TZlibTransport(trans)
> data = 'aa'
> zlib_trans.write(data.encode('utf-8'))
> zlib_trans.flush()
> value = buff.getvalue()
> buff = TTransport.TMemoryBuffer(value)
> trans = TTransport.TBufferedTransportFactory().getTransport(buff)
> zlib_trans = TZlibTransport.TZlibTransport(trans)
> data_r = zlib_trans.read(len(data))
> print("write data:{}".format(data))
> print("write data len :{}".format(len(data)))
> print("read data:{}".format(data_r))
> print("read data len:{}".format(len(data_r)))
>
> test result:
> len <3:
> write data:aa
> write data len :2
> read data:b'a'
> read data len:1
> len>3:
> write data:aaa
> write data len :3
> read data:b'aaa'
> read data len:3
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