def _make_atomic_write(self, result, raw):
# Our return value from _do_open_raw is always a new
# object that we own, so we're always free to change
# the class.
assert result is not raw or self._raw_object_is_new(raw)
if result.__class__ is GreenFileDescriptorIO:
result.__class__ = GreenFileDescriptorIOWriteall
else:
result = OpenDescriptor._make_atomic_write(self, result, raw)
return result
def _do_open_raw(self):
if self.is_fd():
fileio = GreenFileDescriptorIO(self._fobj,
self,
closefd=self.closefd)
else:
# Either an existing file object or a path string (which
# we open to get a file object). In either case, the other object
# owns the descriptor and we must not close it.
closefd = False
raw = OpenDescriptor._do_open_raw(self)
fileno = raw.fileno()
fileio = GreenFileDescriptorIO(fileno, self, closefd=closefd)
fileio._keep_alive = raw
return fileio
def _do_open_raw(self):
if self.is_fd():
fileio = GreenFileDescriptorIO(self._fobj,
self,
closefd=self.closefd)
else:
# Either an existing file object or a path string (which
# we open to get a file object). In either case, the other object
# owns the descriptor and we must not close it.
closefd = False
raw = OpenDescriptor._do_open_raw(self)
fileno = raw.fileno()
fileio = GreenFileDescriptorIO(fileno, self, closefd=closefd)
fileio._keep_alive = raw
# We can usually do better for a name, though.
try:
fileio.name = raw.name
except AttributeError:
del fileio.name
return fileio
def _makeOne(self, *args, **kwargs):
return OpenDescriptor(*args, **kwargs)