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Packer.pack() reset buffer on exception (#274)

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fixes #210
This commit is contained in:
INADA Naoki 2018-01-11 23:50:41 +09:00 • committed by GitHub
parent 60ef3879d7
commit d9ec8fc905
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2 changed files with 12 additions and 6 deletions
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10
msgpack/_packer.pyx
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@ -289,11 +289,13 @@ cdef class Packer(object):
cpdef pack(self, object obj):
cdef int ret
try:
ret = self._pack(obj, DEFAULT_RECURSE_LIMIT)
if ret == -1:
raise MemoryError
elif ret: # should not happen.
raise TypeError
except:
self.pk.length = 0
raise
if ret: # should not happen.
raise RuntimeError("internal error")
if self.autoreset:
buf = PyBytes_FromStringAndSize(self.pk.buf, self.pk.length)
self.pk.length = 0

4
msgpack/fallback.py
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@ -848,7 +848,11 @@ class Packer(object):
raise TypeError("Cannot serialize %r" % (obj, ))
def pack(self, obj):
try:
self._pack(obj)
except:
self._buffer = StringIO() # force reset
raise
ret = self._buffer.getvalue()
if self._autoreset:
self._buffer = StringIO()