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import py
import marshal
from rpython.rlib.rmarshal import *
from rpython.annotator import model as annmodel
from rpython.rlib.rarithmetic import LONG_BIT
from rpython.rlib.rfloat import formatd
types_that_can_be_none = [
[int],
annmodel.SomeString(can_be_None=True),
annmodel.s_None,
{int: int},
]
def test_marshaller():
buf = []
get_marshaller(int)(buf, 5)
assert marshal.loads(''.join(buf)) == 5
buf = []
get_marshaller(int)(buf, -555)
assert marshal.loads(''.join(buf)) == -555
buf = []
get_marshaller(float)(buf, 3.25)
assert marshal.loads(''.join(buf)) == 3.25
buf = []
get_marshaller(str)(buf, "hello, world")
assert marshal.loads(''.join(buf)) == "hello, world"
buf = []
get_marshaller(bool)(buf, False)
assert marshal.loads(''.join(buf)) is False
buf = []
get_marshaller(bool)(buf, True)
assert marshal.loads(''.join(buf)) is True
buf = []
get_marshaller(r_longlong)(buf, r_longlong(0x12380000007))
assert marshal.loads(''.join(buf)) == 0x12380000007
buf = []
get_marshaller(r_longlong)(buf, r_longlong(-0x12380000007))
assert marshal.loads(''.join(buf)) == -0x12380000007
if LONG_BIT > 32:
buf = []
get_marshaller(int)(buf, -0x12340000007)
assert marshal.loads(''.join(buf)) == -0x12340000007
buf = []
get_marshaller([int])(buf, [2, 5, -7])
assert marshal.loads(''.join(buf)) == [2, 5, -7]
buf = []
get_marshaller((int, float, (str, ())))(buf, (7, -1.5, ("foo", ())))
assert marshal.loads(''.join(buf)) == (7, -1.5, ("foo", ()))
buf = []
get_marshaller({int: str})(buf, {2: "foo", -3: "bar"})
assert marshal.loads(''.join(buf)) == {2: "foo", -3: "bar"}
for typ in types_that_can_be_none:
buf = []
get_marshaller(typ)(buf, None)
assert marshal.loads(''.join(buf)) is None
def test_unmarshaller():
buf = 'i\x05\x00\x00\x00'
assert get_unmarshaller(int)(buf) == 5
buf = 'i\x00\xf0\xff\xff'
assert get_unmarshaller(int)(buf) == -4096
buf = 'f\x043.25'
assert get_unmarshaller(float)(buf) == 3.25
buf = 's\x0c\x00\x00\x00hello, world'
assert get_unmarshaller(str)(buf) == "hello, world"
buf = 's\x01\x00\x00\x00X'
assert get_unmarshaller(annmodel.SomeChar())(buf) == "X"
buf = 'i\x05\x00\x00\x00'
py.test.raises(ValueError, get_unmarshaller(str), buf)
buf = 'F'
assert get_unmarshaller(bool)(buf) is False
buf = 'T'
assert get_unmarshaller(bool)(buf) is True
buf = 'I\x07\x00\x00\x80\x23\x01\x00\x00'
assert get_unmarshaller(r_longlong)(buf) == 0x12380000007
buf = 'I\x00\x00\x01\x83\x80\x00\x00\x97'
assert get_unmarshaller(r_longlong)(buf) == -7566046822028738560L
if LONG_BIT > 32:
buf = 'I\x07\x00\x00\x80\x23\x01\x00\x00'
assert get_unmarshaller(int)(buf) == 0x12380000007
buf = 'I\x00\x00\x01\x83\x80\x00\x00\x97'
assert get_unmarshaller(int)(buf) == -7566046822028738560
buf = ('[\x03\x00\x00\x00i\x02\x00\x00\x00i\x05\x00\x00\x00'
'i\xf9\xff\xff\xff')
assert get_unmarshaller([int])(buf) == [2, 5, -7]
buf = ('(\x02\x00\x00\x00i\x07\x00\x00\x00(\x02\x00\x00\x00'
's\x03\x00\x00\x00foo(\x00\x00\x00\x00')
res = get_unmarshaller((int, (str, ())))(buf)
assert res == (7, ("foo", ()))
buf = ('{i\xfb\xff\xff\xffs\x03\x00\x00\x00bar'
'i\x06\x00\x00\x00s\x00\x00\x00\x000')
res = get_unmarshaller({int: str})(buf)
assert res == {-5: "bar", 6: ""}
for typ in types_that_can_be_none:
buf = 'N'
assert get_unmarshaller(typ)(buf) is None
def test_llinterp_marshal():
from rpython.rtyper.test.test_llinterp import interpret
marshaller1 = get_marshaller([(int, str, float)])
marshaller2 = get_marshaller([(int, str, int)])
def f():
buf = []
marshaller1(buf, [(5, "hello", -0.5), (7, "world", 1E100)])
marshaller2(buf, [(5, "hello", 1)])
return ''.join(buf)
res = interpret(f, [])
res = ''.join(res.chars)
if LONG_BIT == 32:
assert res == ('[\x02\x00\x00\x00(\x03\x00\x00\x00i\x05\x00\x00\x00'
's\x05\x00\x00\x00hellof\x04-0.5(\x03\x00\x00\x00'
'i\x07\x00\x00\x00s\x05\x00\x00\x00world'
'f\x061e+100'
'[\x01\x00\x00\x00(\x03\x00\x00\x00i\x05\x00\x00\x00'
's\x05\x00\x00\x00helloi\x01\x00\x00\x00')
else:
assert res == ('[\x02\x00\x00\x00(\x03\x00\x00\x00'
'I\x05\x00\x00\x00\x00\x00\x00\x00'
's\x05\x00\x00\x00hellof\x04-0.5(\x03\x00\x00\x00'
'I\x07\x00\x00\x00\x00\x00\x00\x00'
's\x05\x00\x00\x00world'
'f\x061e+100'
'[\x01\x00\x00\x00(\x03\x00\x00\x00'
'I\x05\x00\x00\x00\x00\x00\x00\x00'
's\x05\x00\x00\x00hello'
'I\x01\x00\x00\x00\x00\x00\x00\x00')
def test_llinterp_unmarshal():
from rpython.rtyper.test.test_llinterp import interpret
unmarshaller = get_unmarshaller([(int, str, float)])
buf = ('[\x02\x00\x00\x00(\x03\x00\x00\x00i\x05\x00\x00\x00'
's\x05\x00\x00\x00hellof\x04-0.5(\x03\x00\x00\x00'
'i\x07\x00\x00\x00s\x05\x00\x00\x00world'
'f\x061e+100')
def f():
result = ''
for num, string, fval in unmarshaller(buf):
result += '%d=%s/%s;' % (num, string, formatd(fval, 'g', 17))
return result
res = interpret(f, [])
res = ''.join(res.chars)
assert res == '5=hello/-0.5;7=world/1e+100;'
def test_stat_result():
import os
from rpython.translator.c.test.test_genc import compile
from rpython.rlib.rposix_stat import s_StatResult
marshal_stat_result = get_marshaller(s_StatResult)
unmarshal_stat_result = get_unmarshaller(s_StatResult)
def f(path):
st = os.stat(path)
buf = []
marshal_stat_result(buf, st)
buf = ''.join(buf)
st2 = unmarshal_stat_result(buf)
assert st2.st_mode == st.st_mode
assert st2[9] == st[9]
return buf
fn = compile(f, [str])
res = fn('.')
st = os.stat('.')
sttuple = marshal.loads(res)
assert sttuple[0] == st[0]
assert sttuple[1] == st[1]
assert sttuple[2] == st[2]
assert sttuple[3] == st[3]
assert sttuple[4] == st[4]
assert sttuple[5] == st[5]
assert len(sttuple) == 10
def test_longlong():
# get_loader for (r_longolong, nonneg=True) used to return
# load_int_nonneg on 32-bit, instead of load_longlong.
for nonneg in [True, False]:
s_longlong = annmodel.SomeInteger(knowntype=r_longlong, nonneg=nonneg)
load = get_loader(s_longlong)
loader = Loader("I\x01\x23\x45\x67\x89\xab\xcd\x0e")
res = load(loader)
assert res == 0x0ecdab8967452301
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