def _convert_error(self, f):
if f.check(NoSuchChildError):
childname = f.value.args[0].encode("utf-8")
msg = "'%s' doesn't exist" % childname
raise ftp.FileNotFoundError(msg)
if f.check(ExistingChildError):
msg = f.value.args[0].encode("utf-8")
raise ftp.FileExistsError(msg)
return f
def vfsToFtpError(vfsError):
"""
Map vfs errors to the corresponding ftp errors, if it exists.
"""
if isinstance(vfsError, ivfs.NotFoundError):
return defer.fail(ftp.FileNotFoundError(vfsError))
elif isinstance(vfsError, ivfs.AlreadyExistsError):
return defer.fail(ftp.FileExistsError(vfsError))
return defer.fail(vfsError)
def _get_or_create_directories(self, node, path):
if not IDirectoryNode.providedBy(node):
# unfortunately it is too late to provide the name of the
# blocking directory in the error message.
raise ftp.FileExistsError("cannot create directory because there "
"is a file in the way")
if not path:
return defer.succeed(node)
d = node.get(path[0])
def _maybe_create(f):
f.trap(NoSuchChildError)
return node.create_subdirectory(path[0])
d.addErrback(_maybe_create)
d.addCallback(self._get_or_create_directories, path[1:])
return d
