Author: Antonio Cuni <anto.c...@gmail.com>
Branch: int_w-refactor
Changeset: r69518:612616fc0f38
Date: 2014-02-27 16:38 +0100
http://bitbucket.org/pypy/pypy/changeset/612616fc0f38/
Log: add support for allow_conversion to more objspace methods, and
disallow them in _rawffi.alt: this fixes some weird ctypes behavior
with old style classes, which might raise AttributeError instead of
TypeError when we try to convert them
diff --git a/pypy/interpreter/baseobjspace.py b/pypy/interpreter/baseobjspace.py
--- a/pypy/interpreter/baseobjspace.py
+++ b/pypy/interpreter/baseobjspace.py
@@ -1296,16 +1296,16 @@
else:
return index
- def r_longlong_w(self, w_obj):
- bigint = self.bigint_w(w_obj)
+ def r_longlong_w(self, w_obj, allow_conversion=True):
+ bigint = self.bigint_w(w_obj, allow_conversion)
try:
return bigint.tolonglong()
except OverflowError:
raise OperationError(self.w_OverflowError,
self.wrap('integer too large'))
- def r_ulonglong_w(self, w_obj):
- bigint = self.bigint_w(w_obj)
+ def r_ulonglong_w(self, w_obj, allow_conversion=True):
+ bigint = self.bigint_w(w_obj, allow_conversion)
try:
return bigint.toulonglong()
except OverflowError:
@@ -1443,10 +1443,7 @@
# This is all interface for gateway.py.
gateway_int_w = int_w
-
- def gateway_float_w(self, w_obj):
- return self.float_w(self.float(w_obj))
-
+ gateway_float_w = float_w
gateway_r_longlong_w = r_longlong_w
gateway_r_ulonglong_w = r_ulonglong_w
@@ -1477,7 +1474,7 @@
def c_uint_w(self, w_obj):
# Like space.gateway_uint_w(), but raises an app-level OverflowError if
# the integer does not fit in 32 bits. Here for gateway.py.
- value = self.gateway_r_uint_w(w_obj)
+ value = self.uint_w(w_obj)
if value > UINT_MAX_32_BITS:
raise OperationError(self.w_OverflowError,
self.wrap("expected an unsigned 32-bit integer"))
@@ -1487,7 +1484,7 @@
# Like space.gateway_int_w(), but raises an app-level ValueError if
# the integer is negative or does not fit in 32 bits. Here
# for gateway.py.
- value = self.gateway_int_w(w_obj)
+ value = self.int_w(w_obj)
if value < 0:
raise OperationError(self.w_ValueError,
self.wrap("expected a non-negative integer"))
@@ -1496,22 +1493,22 @@
self.wrap("expected a 32-bit integer"))
return value
- def truncatedint_w(self, w_obj):
+ def truncatedint_w(self, w_obj, allow_conversion=True):
# Like space.gateway_int_w(), but return the integer truncated
# instead of raising OverflowError. For obscure cases only.
try:
- return self.int_w(w_obj)
+ return self.int_w(w_obj, allow_conversion)
except OperationError, e:
if not e.match(self, self.w_OverflowError):
raise
from rpython.rlib.rarithmetic import intmask
return intmask(self.bigint_w(w_obj).uintmask())
- def truncatedlonglong_w(self, w_obj):
+ def truncatedlonglong_w(self, w_obj, allow_conversion=True):
# Like space.gateway_r_longlong_w(), but return the integer truncated
# instead of raising OverflowError.
try:
- return self.r_longlong_w(w_obj)
+ return self.r_longlong_w(w_obj, allow_conversion)
except OperationError, e:
if not e.match(self, self.w_OverflowError):
raise
diff --git a/pypy/module/_rawffi/alt/test/test_funcptr.py
b/pypy/module/_rawffi/alt/test/test_funcptr.py
--- a/pypy/module/_rawffi/alt/test/test_funcptr.py
+++ b/pypy/module/_rawffi/alt/test/test_funcptr.py
@@ -185,6 +185,10 @@
set_val_to_ptr(ptr2, 123)
assert get_dummy() == 123
set_val_to_ptr(ptr2, 0)
+ #
+ class OldStyle:
+ pass
+ raises(TypeError, "set_val_to_ptr(OldStyle(), 0)")
def test_convert_strings_to_char_p(self):
"""
diff --git a/pypy/module/_rawffi/alt/type_converter.py
b/pypy/module/_rawffi/alt/type_converter.py
--- a/pypy/module/_rawffi/alt/type_converter.py
+++ b/pypy/module/_rawffi/alt/type_converter.py
@@ -25,7 +25,7 @@
assert libffi.IS_32_BIT
self._longlong(w_ffitype, w_obj)
elif w_ffitype.is_signed():
- intval = space.truncatedint_w(w_obj)
+ intval = space.truncatedint_w(w_obj, allow_conversion=False)
self.handle_signed(w_ffitype, w_obj, intval)
elif self.maybe_handle_char_or_unichar_p(w_ffitype, w_obj):
# the object was already handled from within
@@ -33,16 +33,16 @@
pass
elif w_ffitype.is_pointer():
w_obj = self.convert_pointer_arg_maybe(w_obj, w_ffitype)
- intval = space.truncatedint_w(w_obj)
+ intval = space.truncatedint_w(w_obj, allow_conversion=False)
self.handle_pointer(w_ffitype, w_obj, intval)
elif w_ffitype.is_unsigned():
- uintval = r_uint(space.truncatedint_w(w_obj))
+ uintval = r_uint(space.truncatedint_w(w_obj,
allow_conversion=False))
self.handle_unsigned(w_ffitype, w_obj, uintval)
elif w_ffitype.is_char():
- intval = space.int_w(space.ord(w_obj))
+ intval = space.int_w(space.ord(w_obj), allow_conversion=False)
self.handle_char(w_ffitype, w_obj, intval)
elif w_ffitype.is_unichar():
- intval = space.int_w(space.ord(w_obj))
+ intval = space.int_w(space.ord(w_obj), allow_conversion=False)
self.handle_unichar(w_ffitype, w_obj, intval)
elif w_ffitype.is_double():
self._float(w_ffitype, w_obj)
@@ -60,20 +60,20 @@
def _longlong(self, w_ffitype, w_obj):
# a separate function, which can be seen by the jit or not,
# depending on whether longlongs are supported
- longlongval = self.space.truncatedlonglong_w(w_obj)
+ longlongval = self.space.truncatedlonglong_w(w_obj,
allow_conversion=False)
self.handle_longlong(w_ffitype, w_obj, longlongval)
def _float(self, w_ffitype, w_obj):
# a separate function, which can be seen by the jit or not,
# depending on whether floats are supported
- floatval = self.space.float_w(w_obj)
+ floatval = self.space.float_w(w_obj, allow_conversion=False)
self.handle_float(w_ffitype, w_obj, floatval)
def _singlefloat(self, w_ffitype, w_obj):
# a separate function, which can be seen by the jit or not,
# depending on whether singlefloats are supported
from rpython.rlib.rarithmetic import r_singlefloat
- floatval = self.space.float_w(w_obj)
+ floatval = self.space.float_w(w_obj, allow_conversion=False)
singlefloatval = r_singlefloat(floatval)
self.handle_singlefloat(w_ffitype, w_obj, singlefloatval)
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