i can confirm the same problem too.
i got all the latest thrift, cassandra from trunk, built cassandra with ant, and python client with thrift and interface/cassandra.interface


client.insert('Table1', '1', 'Standard1:name', 'Nice', 1, False)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "cassandra/Cassandra.py", line 360, in insert
    self.send_insert(table, key, column_path, value, timestamp, block_for)
  File "cassandra/Cassandra.py", line 372, in send_insert
    args.write(self._oprot)
  File "cassandra/Cassandra.py", line 1925, in write
    self.column_path.write(oprot)
AttributeError: 'str' object has no attribute 'write'


can you guys please look into this.



On Sun, Jul 19, 2009 at 1:31 PM, <mobiledreamers@gmail.com> wrote:
Hey Gasol wu
i regenerated the new thrift interface using
thrift -gen py cassandra.thrift



client.insert('Table1', 'tofu', 'Super1:Related:tofu stew', pickle.dumps(dict(count=1)), time.time(), 0)
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)

/home/mark/work/cexperiments/<ipython console> in <module>()

/home/mark/work/common/cassandra/Cassandra.py in insert(self, table, key, column_path, value, timestamp, block_for)
    358      - block_for
    359     """
--> 360     self.send_insert(table, key, column_path, value, timestamp, block_for)
    361     self.recv_insert()
    362

/home/mark/work/common/cassandra/Cassandra.py in send_insert(self, table, key, column_path, value, timestamp, block_for)
    370     args.timestamp = timestamp
    371     args.block_for = block_for
--> 372     args.write(self._oprot)
    373     self._oprot.writeMessageEnd()
    374     self._oprot.trans.flush()

/home/mark/work/common/cassandra/Cassandra.py in write(self, oprot)
   1923     if self.column_path != None:
   1924       oprot.writeFieldBegin('column_path', TType.STRUCT, 3)
-> 1925       self.column_path.write(oprot)
   1926       oprot.writeFieldEnd()
   1927     if self.value != None:

AttributeError: 'str' object has no attribute 'write'


On Sun, Jul 19, 2009 at 10:29 AM, Gasol Wu <gasol.wu@gmail.com> wrote:
hi,
the cassandra.thrift has changed.
u need to generate new python client and compile class again.



On Mon, Jul 20, 2009 at 1:18 AM, <mobiledreamers@gmail.com> wrote:
Hi guys 
the new trunk cassandra doesnt work for a simple insert, how do we get this working

client.insert('Table1', 'tofu', 'Super1:Related:tofu stew',pickle.dumps(dict(count=1)), time.time(), 0)
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)

/home/mark/work/cexperiments/<ipython console> in <module>()

/home/mark/work/common/cassandra/Cassandra.py in insert(self, table, key, column_path, value, timestamp, block_for)
    358      - block_for
    359     """
--> 360     self.send_insert(table, key, column_path, value, timestamp, block_for)
    361     self.recv_insert()
    362

/home/mark/work/common/cassandra/Cassandra.py in send_insert(self, table, key, column_path, value, timestamp, block_for)
    370     args.timestamp = timestamp
    371     args.block_for = block_for
--> 372     args.write(self._oprot)
    373     self._oprot.writeMessageEnd()
    374     self._oprot.trans.flush()

/home/mark/work/common/cassandra/Cassandra.py in write(self, oprot)
   1923     if self.column_path != None:
   1924       oprot.writeFieldBegin('column_path', TType.STRUCT, 3)
-> 1925       self.column_path.write(oprot)
   1926       oprot.writeFieldEnd()
   1927     if self.value != None:

AttributeError: 'str' object has no attribute 'write'
In [4]: client.insert('Table1', 'tofu', 'Super1:Related:tofu stew',pickle.dumps(dict(count=1)), time.time(), 0)


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