def _unwrap_object(self, space, w_value):
utf8, length = space.utf8_len_w(space.unicode_from_object(w_value))
if length != 1:
raise oefmt(space.w_ValueError,
"wchar_t expected, got string of size %d", length)
with rffi.scoped_utf82wcharp(utf8, length) as u:
value = rffi.cast(self.c_type, u[0])
return value
def ExpandEnvironmentStrings(source, unicode_len):
with rffi.scoped_utf82wcharp(source, unicode_len) as src_buf:
size = _ExpandEnvironmentStringsW(src_buf,
lltype.nullptr(rffi.CWCHARP.TO), 0)
if size == 0:
raise rwin32.lastSavedWindowsError("ExpandEnvironmentStrings")
size = intmask(size)
with rffi.scoped_alloc_unicodebuffer(size) as dest_buf:
if _ExpandEnvironmentStringsW(src_buf, dest_buf.raw, size) == 0:
raise rwin32.lastSavedWindowsError("ExpandEnvironmentStrings")
res = dest_buf.str(size - 1) # remove trailing \0
return res.encode('utf8'), len(res)
def dlopen_w(space, w_filename, flags):
from pypy.module._cffi_backend.cdataobj import W_CData
from pypy.module._cffi_backend import ctypeptr
autoclose = True
if isinstance(w_filename, W_CData):
# 'flags' ignored in this case
w_ctype = w_filename.ctype
if (not isinstance(w_ctype, ctypeptr.W_CTypePointer)
or not w_ctype.is_void_ptr):
raise oefmt(
space.w_TypeError,
"dlopen() takes a file name or 'void *' handle, not '%s'",
w_ctype.name)
handle = w_filename.unsafe_escaping_ptr()
if not handle:
raise oefmt(space.w_RuntimeError, "cannot call dlopen(NULL)")
fname = w_ctype.extra_repr(handle)
handle = rffi.cast(DLLHANDLE, handle)
autoclose = False
#
elif WIN32 and space.isinstance_w(w_filename, space.w_unicode):
fname = space.text_w(space.repr(w_filename))
utf8_name = space.utf8_w(w_filename)
uni_len = space.len_w(w_filename)
with rffi.scoped_utf82wcharp(utf8_name, uni_len) as ll_libname:
try:
handle = dlopenU(ll_libname, flags)
except DLOpenError as e:
raise wrap_dlopenerror(space, e, fname)
else:
if space.is_none(w_filename):
fname = None
else:
fname = space.fsencode_w(w_filename)
with rffi.scoped_str2charp(fname) as ll_libname:
if fname is None:
fname = "<None>"
try:
handle = dlopen(ll_libname, flags)
except DLOpenError as e:
raise wrap_dlopenerror(space, e, fname)
return fname, handle, autoclose
def opendir(path, lgt):
if lgt == 0:
path = '.'
if path[-1] not in ('\\', '/', ':'):
mask = path + '\\*.*'
lgt += 4
else:
mask = path + '*.*'
lgt += 3
dirp = lltype.malloc(SCANDIRP.TO, flavor='raw')
with rffi.scoped_utf82wcharp(mask, lgt) as src_buf:
hFindFile = win32traits.FindFirstFile(src_buf, dirp.filedata)
if hFindFile == rwin32.INVALID_HANDLE_VALUE:
error = rwin32.GetLastError_saved()
lltype.free(dirp, flavor='raw')
raise WindowsError(error, "FindFirstFileW failed")
dirp.hFindFile = hFindFile
dirp.first_time = True
return dirp
def dlopen_w(space, w_filename, flags):
if WIN32 and space.isinstance_w(w_filename, space.w_unicode):
fname = space.text_w(space.repr(w_filename))
utf8_name = space.utf8_w(w_filename)
uni_len = space.len_w(w_filename)
with rffi.scoped_utf82wcharp(utf8_name, uni_len) as ll_libname:
try:
handle = dlopenU(ll_libname, flags)
except DLOpenError as e:
raise wrap_dlopenerror(space, e, fname)
else:
if space.is_none(w_filename):
fname = None
else:
fname = space.fsencode_w(w_filename)
with rffi.scoped_str2charp(fname) as ll_libname:
if fname is None:
fname = "<None>"
try:
handle = dlopen(ll_libname, flags)
except DLOpenError as e:
raise wrap_dlopenerror(space, e, fname)
return fname, handle