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-rw-r--r--Lib/pickle.py55
-rw-r--r--Lib/pickletools.py174
-rw-r--r--Lib/test/pickletester.py69
-rw-r--r--Lib/test/test_pickle.py12
-rw-r--r--Modules/cPickle.c7
5 files changed, 172 insertions, 145 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py
index f976ffb..62658cb 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -465,7 +465,7 @@ class Pickler:
self.write(BININT1 + bytes([obj]))
return
if obj <= 0xffff:
- self.write(BININT2, bytes([obj&0xff, obj>>8]))
+ self.write(BININT2 + bytes([obj&0xff, obj>>8]))
return
# Next check for 4-byte signed ints:
high_bits = obj >> 31 # note that Python shift sign-extends
@@ -820,6 +820,7 @@ class Unpickler:
key = read(1)
if not key:
raise EOFError
+ assert isinstance(key, bytes)
dispatch[key[0]](self)
except _Stop as stopinst:
return stopinst.value
@@ -892,7 +893,7 @@ class Unpickler:
dispatch[BININT1[0]] = load_binint1
def load_binint2(self):
- self.append(mloads(b'i' + self.read(2) + '\000\000'))
+ self.append(mloads(b'i' + self.read(2) + b'\000\000'))
dispatch[BININT2[0]] = load_binint2
def load_long(self):
@@ -1111,7 +1112,7 @@ class Unpickler:
dispatch[DUP[0]] = load_dup
def load_get(self):
- self.append(self.memo[self.readline()[:-1]])
+ self.append(self.memo[str8(self.readline())[:-1]])
dispatch[GET[0]] = load_get
def load_binget(self):
@@ -1226,24 +1227,24 @@ def encode_long(x):
byte in the LONG1 pickling context.
>>> encode_long(0)
- ''
+ b''
>>> encode_long(255)
- '\xff\x00'
+ b'\xff\x00'
>>> encode_long(32767)
- '\xff\x7f'
+ b'\xff\x7f'
>>> encode_long(-256)
- '\x00\xff'
+ b'\x00\xff'
>>> encode_long(-32768)
- '\x00\x80'
+ b'\x00\x80'
>>> encode_long(-128)
- '\x80'
+ b'\x80'
>>> encode_long(127)
- '\x7f'
+ b'\x7f'
>>>
"""
if x == 0:
- return ''
+ return b''
if x > 0:
ashex = hex(x)
assert ashex.startswith("0x")
@@ -1284,24 +1285,24 @@ def encode_long(x):
ashex = ashex[2:]
assert len(ashex) & 1 == 0, (x, ashex)
binary = _binascii.unhexlify(ashex)
- return binary[::-1]
+ return bytes(binary[::-1])
def decode_long(data):
r"""Decode a long from a two's complement little-endian binary string.
- >>> decode_long('')
+ >>> decode_long(b'')
0
- >>> decode_long("\xff\x00")
+ >>> decode_long(b"\xff\x00")
255
- >>> decode_long("\xff\x7f")
+ >>> decode_long(b"\xff\x7f")
32767
- >>> decode_long("\x00\xff")
+ >>> decode_long(b"\x00\xff")
-256
- >>> decode_long("\x00\x80")
+ >>> decode_long(b"\x00\x80")
-32768
- >>> decode_long("\x80")
+ >>> decode_long(b"\x80")
-128
- >>> decode_long("\x7f")
+ >>> decode_long(b"\x7f")
127
"""
@@ -1310,7 +1311,7 @@ def decode_long(data):
return 0
ashex = _binascii.hexlify(data[::-1])
n = int(ashex, 16) # quadratic time before Python 2.3; linear now
- if data[-1] >= '\x80':
+ if data[-1] >= 0x80:
n -= 1 << (nbytes * 8)
return n
@@ -1320,15 +1321,19 @@ def dump(obj, file, protocol=None):
Pickler(file, protocol).dump(obj)
def dumps(obj, protocol=None):
- file = io.BytesIO()
- Pickler(file, protocol).dump(obj)
- return file.getvalue()
+ f = io.BytesIO()
+ Pickler(f, protocol).dump(obj)
+ res = f.getvalue()
+ assert isinstance(res, bytes)
+ return res
def load(file):
return Unpickler(file).load()
-def loads(str):
- file = io.BytesIO(str)
+def loads(s):
+ if isinstance(s, str):
+ raise TypeError("Can't load pickle from unicode string")
+ file = io.BytesIO(s)
return Unpickler(file).load()
# Doctest
diff --git a/Lib/pickletools.py b/Lib/pickletools.py
index c050fc5..c5c45eb 100644
--- a/Lib/pickletools.py
+++ b/Lib/pickletools.py
@@ -202,14 +202,14 @@ from struct import unpack as _unpack
def read_uint1(f):
r"""
- >>> import StringIO
- >>> read_uint1(StringIO.StringIO('\xff'))
+ >>> import io
+ >>> read_uint1(io.BytesIO(b'\xff'))
255
"""
data = f.read(1)
if data:
- return ord(data)
+ return data[0]
raise ValueError("not enough data in stream to read uint1")
uint1 = ArgumentDescriptor(
@@ -221,10 +221,10 @@ uint1 = ArgumentDescriptor(
def read_uint2(f):
r"""
- >>> import StringIO
- >>> read_uint2(StringIO.StringIO('\xff\x00'))
+ >>> import io
+ >>> read_uint2(io.BytesIO(b'\xff\x00'))
255
- >>> read_uint2(StringIO.StringIO('\xff\xff'))
+ >>> read_uint2(io.BytesIO(b'\xff\xff'))
65535
"""
@@ -242,10 +242,10 @@ uint2 = ArgumentDescriptor(
def read_int4(f):
r"""
- >>> import StringIO
- >>> read_int4(StringIO.StringIO('\xff\x00\x00\x00'))
+ >>> import io
+ >>> read_int4(io.BytesIO(b'\xff\x00\x00\x00'))
255
- >>> read_int4(StringIO.StringIO('\x00\x00\x00\x80')) == -(2**31)
+ >>> read_int4(io.BytesIO(b'\x00\x00\x00\x80')) == -(2**31)
True
"""
@@ -261,34 +261,48 @@ int4 = ArgumentDescriptor(
doc="Four-byte signed integer, little-endian, 2's complement.")
+def readline(f):
+ """Read a line from a binary file."""
+ # XXX Slow but at least correct
+ b = bytes()
+ while True:
+ c = f.read(1)
+ if not c:
+ break
+ b += c
+ if c == b'\n':
+ break
+ return b
+
+
def read_stringnl(f, decode=True, stripquotes=True):
r"""
- >>> import StringIO
- >>> read_stringnl(StringIO.StringIO("'abcd'\nefg\n"))
+ >>> import io
+ >>> read_stringnl(io.BytesIO(b"'abcd'\nefg\n"))
'abcd'
- >>> read_stringnl(StringIO.StringIO("\n"))
+ >>> read_stringnl(io.BytesIO(b"\n"))
Traceback (most recent call last):
...
- ValueError: no string quotes around ''
+ ValueError: no string quotes around b''
- >>> read_stringnl(StringIO.StringIO("\n"), stripquotes=False)
+ >>> read_stringnl(io.BytesIO(b"\n"), stripquotes=False)
''
- >>> read_stringnl(StringIO.StringIO("''\n"))
+ >>> read_stringnl(io.BytesIO(b"''\n"))
''
- >>> read_stringnl(StringIO.StringIO('"abcd"'))
+ >>> read_stringnl(io.BytesIO(b'"abcd"'))
Traceback (most recent call last):
...
ValueError: no newline found when trying to read stringnl
Embedded escapes are undone in the result.
- >>> read_stringnl(StringIO.StringIO(r"'a\n\\b\x00c\td'" + "\n'e'"))
+ >>> read_stringnl(io.BytesIO(br"'a\n\\b\x00c\td'" + b"\n'e'"))
'a\n\\b\x00c\td'
"""
- data = f.readline()
+ data = readline(f)
if not data.endswith('\n'):
raise ValueError("no newline found when trying to read stringnl")
data = data[:-1] # lose the newline
@@ -336,8 +350,8 @@ stringnl_noescape = ArgumentDescriptor(
def read_stringnl_noescape_pair(f):
r"""
- >>> import StringIO
- >>> read_stringnl_noescape_pair(StringIO.StringIO("Queue\nEmpty\njunk"))
+ >>> import io
+ >>> read_stringnl_noescape_pair(io.BytesIO(b"Queue\nEmpty\njunk"))
'Queue Empty'
"""
@@ -358,12 +372,12 @@ stringnl_noescape_pair = ArgumentDescriptor(
def read_string4(f):
r"""
- >>> import StringIO
- >>> read_string4(StringIO.StringIO("\x00\x00\x00\x00abc"))
+ >>> import io
+ >>> read_string4(io.BytesIO(b"\x00\x00\x00\x00abc"))
''
- >>> read_string4(StringIO.StringIO("\x03\x00\x00\x00abcdef"))
+ >>> read_string4(io.BytesIO(b"\x03\x00\x00\x00abcdef"))
'abc'
- >>> read_string4(StringIO.StringIO("\x00\x00\x00\x03abcdef"))
+ >>> read_string4(io.BytesIO(b"\x00\x00\x00\x03abcdef"))
Traceback (most recent call last):
...
ValueError: expected 50331648 bytes in a string4, but only 6 remain
@@ -374,7 +388,7 @@ def read_string4(f):
raise ValueError("string4 byte count < 0: %d" % n)
data = f.read(n)
if len(data) == n:
- return data
+ return data.decode("latin-1")
raise ValueError("expected %d bytes in a string4, but only %d remain" %
(n, len(data)))
@@ -392,10 +406,10 @@ string4 = ArgumentDescriptor(
def read_string1(f):
r"""
- >>> import StringIO
- >>> read_string1(StringIO.StringIO("\x00"))
+ >>> import io
+ >>> read_string1(io.BytesIO(b"\x00"))
''
- >>> read_string1(StringIO.StringIO("\x03abcdef"))
+ >>> read_string1(io.BytesIO(b"\x03abcdef"))
'abc'
"""
@@ -403,7 +417,7 @@ def read_string1(f):
assert n >= 0
data = f.read(n)
if len(data) == n:
- return data
+ return data.decode("latin-1")
raise ValueError("expected %d bytes in a string1, but only %d remain" %
(n, len(data)))
@@ -421,12 +435,12 @@ string1 = ArgumentDescriptor(
def read_unicodestringnl(f):
r"""
- >>> import StringIO
- >>> read_unicodestringnl(StringIO.StringIO("abc\uabcd\njunk"))
- u'abc\uabcd'
+ >>> import io
+ >>> read_unicodestringnl(io.BytesIO(b"abc\\uabcd\njunk")) == 'abc\uabcd'
+ True
"""
- data = f.readline()
+ data = readline(f)
if not data.endswith('\n'):
raise ValueError("no newline found when trying to read "
"unicodestringnl")
@@ -446,17 +460,17 @@ unicodestringnl = ArgumentDescriptor(
def read_unicodestring4(f):
r"""
- >>> import StringIO
- >>> s = u'abcd\uabcd'
+ >>> import io
+ >>> s = 'abcd\uabcd'
>>> enc = s.encode('utf-8')
>>> enc
- 'abcd\xea\xaf\x8d'
- >>> n = chr(len(enc)) + chr(0) * 3 # little-endian 4-byte length
- >>> t = read_unicodestring4(StringIO.StringIO(n + enc + 'junk'))
+ b'abcd\xea\xaf\x8d'
+ >>> n = bytes([len(enc), 0, 0, 0]) # little-endian 4-byte length
+ >>> t = read_unicodestring4(io.BytesIO(n + enc + b'junk'))
>>> s == t
True
- >>> read_unicodestring4(StringIO.StringIO(n + enc[:-1]))
+ >>> read_unicodestring4(io.BytesIO(n + enc[:-1]))
Traceback (most recent call last):
...
ValueError: expected 7 bytes in a unicodestring4, but only 6 remain
@@ -486,14 +500,14 @@ unicodestring4 = ArgumentDescriptor(
def read_decimalnl_short(f):
r"""
- >>> import StringIO
- >>> read_decimalnl_short(StringIO.StringIO("1234\n56"))
+ >>> import io
+ >>> read_decimalnl_short(io.BytesIO(b"1234\n56"))
1234
- >>> read_decimalnl_short(StringIO.StringIO("1234L\n56"))
+ >>> read_decimalnl_short(io.BytesIO(b"1234L\n56"))
Traceback (most recent call last):
...
- ValueError: trailing 'L' not allowed in '1234L'
+ ValueError: trailing 'L' not allowed in b'1234L'
"""
s = read_stringnl(f, decode=False, stripquotes=False)
@@ -515,12 +529,12 @@ def read_decimalnl_short(f):
def read_decimalnl_long(f):
r"""
- >>> import StringIO
+ >>> import io
- >>> read_decimalnl_long(StringIO.StringIO("1234L\n56"))
+ >>> read_decimalnl_long(io.BytesIO(b"1234L\n56"))
1234
- >>> read_decimalnl_long(StringIO.StringIO("123456789012345678901234L\n6"))
+ >>> read_decimalnl_long(io.BytesIO(b"123456789012345678901234L\n6"))
123456789012345678901234
"""
@@ -554,8 +568,8 @@ decimalnl_long = ArgumentDescriptor(
def read_floatnl(f):
r"""
- >>> import StringIO
- >>> read_floatnl(StringIO.StringIO("-1.25\n6"))
+ >>> import io
+ >>> read_floatnl(io.BytesIO(b"-1.25\n6"))
-1.25
"""
s = read_stringnl(f, decode=False, stripquotes=False)
@@ -576,11 +590,11 @@ floatnl = ArgumentDescriptor(
def read_float8(f):
r"""
- >>> import StringIO, struct
+ >>> import io, struct
>>> raw = struct.pack(">d", -1.25)
>>> raw
- '\xbf\xf4\x00\x00\x00\x00\x00\x00'
- >>> read_float8(StringIO.StringIO(raw + "\n"))
+ b'\xbf\xf4\x00\x00\x00\x00\x00\x00'
+ >>> read_float8(io.BytesIO(raw + b"\n"))
-1.25
"""
@@ -614,16 +628,16 @@ from pickle import decode_long
def read_long1(f):
r"""
- >>> import StringIO
- >>> read_long1(StringIO.StringIO("\x00"))
+ >>> import io
+ >>> read_long1(io.BytesIO(b"\x00"))
0
- >>> read_long1(StringIO.StringIO("\x02\xff\x00"))
+ >>> read_long1(io.BytesIO(b"\x02\xff\x00"))
255
- >>> read_long1(StringIO.StringIO("\x02\xff\x7f"))
+ >>> read_long1(io.BytesIO(b"\x02\xff\x7f"))
32767
- >>> read_long1(StringIO.StringIO("\x02\x00\xff"))
+ >>> read_long1(io.BytesIO(b"\x02\x00\xff"))
-256
- >>> read_long1(StringIO.StringIO("\x02\x00\x80"))
+ >>> read_long1(io.BytesIO(b"\x02\x00\x80"))
-32768
"""
@@ -646,16 +660,16 @@ long1 = ArgumentDescriptor(
def read_long4(f):
r"""
- >>> import StringIO
- >>> read_long4(StringIO.StringIO("\x02\x00\x00\x00\xff\x00"))
+ >>> import io
+ >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\xff\x00"))
255
- >>> read_long4(StringIO.StringIO("\x02\x00\x00\x00\xff\x7f"))
+ >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\xff\x7f"))
32767
- >>> read_long4(StringIO.StringIO("\x02\x00\x00\x00\x00\xff"))
+ >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\x00\xff"))
-256
- >>> read_long4(StringIO.StringIO("\x02\x00\x00\x00\x00\x80"))
+ >>> read_long4(io.BytesIO(b"\x02\x00\x00\x00\x00\x80"))
-32768
- >>> read_long1(StringIO.StringIO("\x00\x00\x00\x00"))
+ >>> read_long1(io.BytesIO(b"\x00\x00\x00\x00"))
0
"""
@@ -701,7 +715,7 @@ class StackObject(object):
)
def __init__(self, name, obtype, doc):
- assert isinstance(name, str)
+ assert isinstance(name, basestring)
self.name = name
assert isinstance(obtype, type) or isinstance(obtype, tuple)
@@ -710,7 +724,7 @@ class StackObject(object):
assert isinstance(contained, type)
self.obtype = obtype
- assert isinstance(doc, str)
+ assert isinstance(doc, basestring)
self.doc = doc
def __repr__(self):
@@ -846,10 +860,10 @@ class OpcodeInfo(object):
def __init__(self, name, code, arg,
stack_before, stack_after, proto, doc):
- assert isinstance(name, str)
+ assert isinstance(name, basestring)
self.name = name
- assert isinstance(code, str)
+ assert isinstance(code, basestring)
assert len(code) == 1
self.code = code
@@ -869,7 +883,7 @@ class OpcodeInfo(object):
assert isinstance(proto, int) and 0 <= proto <= 2
self.proto = proto
- assert isinstance(doc, str)
+ assert isinstance(doc, basestring)
self.doc = doc
I = OpcodeInfo
@@ -1819,10 +1833,9 @@ def genops(pickle):
to query its current position) pos is None.
"""
- import cStringIO as StringIO
-
- if isinstance(pickle, str):
- pickle = StringIO.StringIO(pickle)
+ if isinstance(pickle, bytes):
+ import io
+ pickle = io.BytesIO(pickle)
if hasattr(pickle, "tell"):
getpos = pickle.tell
@@ -1832,9 +1845,9 @@ def genops(pickle):
while True:
pos = getpos()
code = pickle.read(1)
- opcode = code2op.get(code)
+ opcode = code2op.get(code.decode("latin-1"))
if opcode is None:
- if code == "":
+ if code == b"":
raise ValueError("pickle exhausted before seeing STOP")
else:
raise ValueError("at position %s, opcode %r unknown" % (
@@ -1845,7 +1858,7 @@ def genops(pickle):
else:
arg = opcode.arg.reader(pickle)
yield opcode, arg, pos
- if code == '.':
+ if code == b'.':
assert opcode.name == 'STOP'
break
@@ -1995,7 +2008,7 @@ class _Example:
_dis_test = r"""
>>> import pickle
->>> x = [1, 2, (3, 4), {'abc': u"def"}]
+>>> x = [1, 2, (3, 4), {str8('abc'): "def"}]
>>> pkl = pickle.dumps(x, 0)
>>> dis(pkl)
0: ( MARK
@@ -2016,7 +2029,7 @@ _dis_test = r"""
27: p PUT 2
30: S STRING 'abc'
37: p PUT 3
- 40: V UNICODE u'def'
+ 40: V UNICODE 'def'
45: p PUT 4
48: s SETITEM
49: a APPEND
@@ -2041,7 +2054,7 @@ Try again with a "binary" pickle.
17: q BINPUT 2
19: U SHORT_BINSTRING 'abc'
24: q BINPUT 3
- 26: X BINUNICODE u'def'
+ 26: X BINUNICODE 'def'
34: q BINPUT 4
36: s SETITEM
37: e APPENDS (MARK at 3)
@@ -2216,13 +2229,14 @@ highest protocol among opcodes = 2
_memo_test = r"""
>>> import pickle
->>> from StringIO import StringIO
->>> f = StringIO()
+>>> import io
+>>> f = io.BytesIO()
>>> p = pickle.Pickler(f, 2)
>>> x = [1, 2, 3]
>>> p.dump(x)
>>> p.dump(x)
>>> f.seek(0)
+0
>>> memo = {}
>>> dis(f, memo=memo)
0: \x80 PROTO 2
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 5d84eff..9b21a5f 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -21,7 +21,7 @@ protocols = range(pickle.HIGHEST_PROTOCOL + 1)
# Return True if opcode code appears in the pickle, else False.
def opcode_in_pickle(code, pickle):
for op, dummy, dummy in pickletools.genops(pickle):
- if op.code == code:
+ if op.code == code.decode("latin-1"):
return True
return False
@@ -29,7 +29,7 @@ def opcode_in_pickle(code, pickle):
def count_opcode(code, pickle):
n = 0
for op, dummy, dummy in pickletools.genops(pickle):
- if op.code == code:
+ if op.code == code.decode("latin-1"):
n += 1
return n
@@ -95,7 +95,7 @@ class use_metaclass(object, metaclass=metaclass):
# the object returned by create_data().
# break into multiple strings to avoid confusing font-lock-mode
-DATA0 = """(lp1
+DATA0 = b"""(lp1
I0
aL1L
aF2
@@ -103,7 +103,7 @@ ac__builtin__
complex
p2
""" + \
-"""(F3
+b"""(F3
F0
tRp3
aI1
@@ -118,15 +118,15 @@ aI2147483647
aI-2147483647
aI-2147483648
a""" + \
-"""(S'abc'
+b"""(S'abc'
p4
g4
""" + \
-"""(i__main__
+b"""(i__main__
C
p5
""" + \
-"""(dp6
+b"""(dp6
S'foo'
p7
I1
@@ -213,14 +213,14 @@ DATA0_DIS = """\
highest protocol among opcodes = 0
"""
-DATA1 = (']q\x01(K\x00L1L\nG@\x00\x00\x00\x00\x00\x00\x00'
- 'c__builtin__\ncomplex\nq\x02(G@\x08\x00\x00\x00\x00\x00'
- '\x00G\x00\x00\x00\x00\x00\x00\x00\x00tRq\x03K\x01J\xff\xff'
- '\xff\xffK\xffJ\x01\xff\xff\xffJ\x00\xff\xff\xffM\xff\xff'
- 'J\x01\x00\xff\xffJ\x00\x00\xff\xffJ\xff\xff\xff\x7fJ\x01\x00'
- '\x00\x80J\x00\x00\x00\x80(U\x03abcq\x04h\x04(c__main__\n'
- 'C\nq\x05oq\x06}q\x07(U\x03fooq\x08K\x01U\x03barq\tK\x02ubh'
- '\x06tq\nh\nK\x05e.'
+DATA1 = (b']q\x01(K\x00L1L\nG@\x00\x00\x00\x00\x00\x00\x00'
+ b'c__builtin__\ncomplex\nq\x02(G@\x08\x00\x00\x00\x00\x00'
+ b'\x00G\x00\x00\x00\x00\x00\x00\x00\x00tRq\x03K\x01J\xff\xff'
+ b'\xff\xffK\xffJ\x01\xff\xff\xffJ\x00\xff\xff\xffM\xff\xff'
+ b'J\x01\x00\xff\xffJ\x00\x00\xff\xffJ\xff\xff\xff\x7fJ\x01\x00'
+ b'\x00\x80J\x00\x00\x00\x80(U\x03abcq\x04h\x04(c__main__\n'
+ b'C\nq\x05oq\x06}q\x07(U\x03fooq\x08K\x01U\x03barq\tK\x02ubh'
+ b'\x06tq\nh\nK\x05e.'
)
# Disassembly of DATA1.
@@ -280,13 +280,13 @@ DATA1_DIS = """\
highest protocol among opcodes = 1
"""
-DATA2 = ('\x80\x02]q\x01(K\x00\x8a\x01\x01G@\x00\x00\x00\x00\x00\x00\x00'
- 'c__builtin__\ncomplex\nq\x02G@\x08\x00\x00\x00\x00\x00\x00G\x00'
- '\x00\x00\x00\x00\x00\x00\x00\x86Rq\x03K\x01J\xff\xff\xff\xffK'
- '\xffJ\x01\xff\xff\xffJ\x00\xff\xff\xffM\xff\xffJ\x01\x00\xff\xff'
- 'J\x00\x00\xff\xffJ\xff\xff\xff\x7fJ\x01\x00\x00\x80J\x00\x00\x00'
- '\x80(U\x03abcq\x04h\x04(c__main__\nC\nq\x05oq\x06}q\x07(U\x03foo'
- 'q\x08K\x01U\x03barq\tK\x02ubh\x06tq\nh\nK\x05e.')
+DATA2 = (b'\x80\x02]q\x01(K\x00\x8a\x01\x01G@\x00\x00\x00\x00\x00\x00\x00'
+ b'c__builtin__\ncomplex\nq\x02G@\x08\x00\x00\x00\x00\x00\x00G\x00'
+ b'\x00\x00\x00\x00\x00\x00\x00\x86Rq\x03K\x01J\xff\xff\xff\xffK'
+ b'\xffJ\x01\xff\xff\xffJ\x00\xff\xff\xffM\xff\xffJ\x01\x00\xff\xff'
+ b'J\x00\x00\xff\xffJ\xff\xff\xff\x7fJ\x01\x00\x00\x80J\x00\x00\x00'
+ b'\x80(U\x03abcq\x04h\x04(c__main__\nC\nq\x05oq\x06}q\x07(U\x03foo'
+ b'q\x08K\x01U\x03barq\tK\x02ubh\x06tq\nh\nK\x05e.')
# Disassembly of DATA2.
DATA2_DIS = """\
@@ -465,7 +465,7 @@ class AbstractPickleTests(unittest.TestCase):
self.assert_(x[0].attr[1] is x)
def test_garyp(self):
- self.assertRaises(self.error, self.loads, 'garyp')
+ self.assertRaises(self.error, self.loads, b'garyp')
def test_insecure_strings(self):
insecure = ["abc", "2 + 2", # not quoted
@@ -479,7 +479,7 @@ class AbstractPickleTests(unittest.TestCase):
#"'\\\\a\'\'\'\\\'\\\\\''",
]
for s in insecure:
- buf = "S" + s + "\012p0\012."
+ buf = b"S" + bytes(s) + b"\012p0\012."
self.assertRaises(ValueError, self.loads, buf)
if have_unicode:
@@ -505,12 +505,12 @@ class AbstractPickleTests(unittest.TestCase):
def test_maxint64(self):
maxint64 = (1 << 63) - 1
- data = 'I' + str(maxint64) + '\n.'
+ data = b'I' + bytes(str(maxint64)) + b'\n.'
got = self.loads(data)
self.assertEqual(got, maxint64)
# Try too with a bogus literal.
- data = 'I' + str(maxint64) + 'JUNK\n.'
+ data = b'I' + bytes(str(maxint64)) + b'JUNK\n.'
self.assertRaises(ValueError, self.loads, data)
def test_long(self):
@@ -535,7 +535,7 @@ class AbstractPickleTests(unittest.TestCase):
@run_with_locale('LC_ALL', 'de_DE', 'fr_FR')
def test_float_format(self):
# make sure that floats are formatted locale independent
- self.assertEqual(self.dumps(1.2)[0:3], 'F1.')
+ self.assertEqual(self.dumps(1.2)[0:3], b'F1.')
def test_reduce(self):
pass
@@ -577,12 +577,12 @@ class AbstractPickleTests(unittest.TestCase):
for proto in protocols:
expected = build_none
if proto >= 2:
- expected = pickle.PROTO + chr(proto) + expected
+ expected = pickle.PROTO + bytes([proto]) + expected
p = self.dumps(None, proto)
self.assertEqual(p, expected)
oob = protocols[-1] + 1 # a future protocol
- badpickle = pickle.PROTO + chr(oob) + build_none
+ badpickle = pickle.PROTO + bytes([oob]) + build_none
try:
self.loads(badpickle)
except ValueError as detail:
@@ -708,8 +708,8 @@ class AbstractPickleTests(unittest.TestCase):
# Dump using protocol 1 for comparison.
s1 = self.dumps(x, 1)
- self.assert_(__name__ in s1)
- self.assert_("MyList" in s1)
+ self.assert_(bytes(__name__) in s1)
+ self.assert_(b"MyList" in s1)
self.assertEqual(opcode_in_pickle(opcode, s1), False)
y = self.loads(s1)
@@ -718,9 +718,9 @@ class AbstractPickleTests(unittest.TestCase):
# Dump using protocol 2 for test.
s2 = self.dumps(x, 2)
- self.assert_(__name__ not in s2)
- self.assert_("MyList" not in s2)
- self.assertEqual(opcode_in_pickle(opcode, s2), True)
+ self.assert_(bytes(__name__) not in s2)
+ self.assert_(b"MyList" not in s2)
+ self.assertEqual(opcode_in_pickle(opcode, s2), True, repr(s2))
y = self.loads(s2)
self.assertEqual(list(x), list(y))
@@ -770,6 +770,7 @@ class AbstractPickleTests(unittest.TestCase):
x = dict.fromkeys(range(n))
for proto in protocols:
s = self.dumps(x, proto)
+ assert isinstance(s, bytes)
y = self.loads(s)
self.assertEqual(x, y)
num_setitems = count_opcode(pickle.SETITEMS, s)
diff --git a/Lib/test/test_pickle.py b/Lib/test/test_pickle.py
index 585644e..11254f4 100644
--- a/Lib/test/test_pickle.py
+++ b/Lib/test/test_pickle.py
@@ -1,6 +1,6 @@
import pickle
import unittest
-from cStringIO import StringIO
+import io
from test import test_support
@@ -26,16 +26,16 @@ class PicklerTests(AbstractPickleTests):
error = KeyError
def dumps(self, arg, proto=0, fast=0):
- f = StringIO()
+ f = io.BytesIO()
p = pickle.Pickler(f, proto)
if fast:
p.fast = fast
p.dump(arg)
f.seek(0)
- return f.read()
+ return bytes(f.read())
def loads(self, buf):
- f = StringIO(buf)
+ f = io.BytesIO(buf)
u = pickle.Unpickler(f)
return u.load()
@@ -45,7 +45,7 @@ class PersPicklerTests(AbstractPersistentPicklerTests):
class PersPickler(pickle.Pickler):
def persistent_id(subself, obj):
return self.persistent_id(obj)
- f = StringIO()
+ f = io.BytesIO()
p = PersPickler(f, proto)
if fast:
p.fast = fast
@@ -57,7 +57,7 @@ class PersPicklerTests(AbstractPersistentPicklerTests):
class PersUnpickler(pickle.Unpickler):
def persistent_load(subself, obj):
return self.persistent_load(obj)
- f = StringIO(buf)
+ f = io.BytesIO(buf)
u = PersUnpickler(f)
return u.load()
diff --git a/Modules/cPickle.c b/Modules/cPickle.c
index 00641d8..639e68b 100644
--- a/Modules/cPickle.c
+++ b/Modules/cPickle.c
@@ -5241,6 +5241,13 @@ cpm_dumps(PyObject *self, PyObject *args, PyObject *kwds)
goto finally;
res = PycStringIO->cgetvalue(file);
+ if (res == NULL)
+ goto finally;
+ if (!PyBytes_Check(res)) {
+ PyObject *tmp = res;
+ res = PyBytes_FromObject(res);
+ Py_DECREF(tmp);
+ }
finally:
Py_XDECREF(pickler);
generated by cgit v0.12 at 2024-12-02 10:18:02 (GMT)