def _sftp_open_exclusive(self, abspath, mode=None):
"""Open a remote path exclusively.
SFTP supports O_EXCL (SFTP_FLAG_EXCL), which fails if
the file already exists. However it does not expose this
at the higher level of SFTPClient.open(), so we have to
sneak away with it.
WARNING: This breaks the SFTPClient abstraction, so it
could easily break against an updated version of paramiko.
:param abspath: The remote absolute path where the file should be opened
:param mode: The mode permissions bits for the new file
"""
# TODO: jam 20060816 Paramiko >= 1.6.2 (probably earlier) supports
# using the 'x' flag to indicate SFTP_FLAG_EXCL.
# However, there is no way to set the permission mode at open
# time using the sftp_client.file() functionality.
path = self._get_sftp()._adjust_cwd(abspath)
# mutter('sftp abspath %s => %s', abspath, path)
attr = SFTPAttributes()
if mode is not None:
attr.st_mode = mode
omode = (SFTP_FLAG_WRITE | SFTP_FLAG_CREATE
| SFTP_FLAG_TRUNC | SFTP_FLAG_EXCL)
try:
t, msg = self._get_sftp()._request(CMD_OPEN, path, omode, attr)
if t != CMD_HANDLE:
raise TransportError('Expected an SFTP handle')
handle = msg.get_string()
return SFTPFile(self._get_sftp(), handle, 'wb', -1)
except (paramiko.SSHException, IOError), e:
self._translate_io_exception(e, abspath, ': unable to open',
failure_exc=FileExists)
def chmod(self, mode):
"""
Change the mode (permissions) of this file. The permissions are
unix-style and identical to those used by Python's `os.chmod`
function.
:param int mode: new permissions
"""
self.sftp._log(DEBUG, 'chmod(%s, %r)' % (hexlify(self.handle), mode))
attr = SFTPAttributes()
attr.st_mode = mode
self.sftp._request(CMD_FSETSTAT, self.handle, attr)
def chmod(self, mode):
"""
Change the mode (permissions) of this file. The permissions are
unix-style and identical to those used by Python's `os.chmod`
function.
:param int mode: new permissions
"""
self.sftp._log(DEBUG, 'chmod(%s, %r)' % (hexlify(self.handle), mode))
attr = SFTPAttributes()
attr.st_mode = mode
self.sftp._request(CMD_FSETSTAT, self.handle, attr)
def chmod(self, path, mode):
"""
Change the mode (permissions) of a file. The permissions are
unix-style and identical to those used by Python's `os.chmod`
function.
:param str path: path of the file to change the permissions of
:param int mode: new permissions
"""
path = self._adjust_cwd(path)
self._log(DEBUG, 'chmod(%r, %r)' % (path, mode))
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_SETSTAT, path, attr)
def mkdir(self, path, mode=o777):
"""
Create a folder (directory) named ``path`` with numeric mode ``mode``.
The default mode is 0777 (octal). On some systems, mode is ignored.
Where it is used, the current umask value is first masked out.
:param str path: name of the folder to create
:param int mode: permissions (posix-style) for the newly-created folder
"""
path = self._adjust_cwd(path)
self._log(DEBUG, 'mkdir(%r, %r)' % (path, mode))
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_MKDIR, path, attr)
def chmod(self, path, mode):
"""
Change the mode (permissions) of a file. The permissions are
unix-style and identical to those used by Python's `os.chmod`
function.
:param str path: path of the file to change the permissions of
:param int mode: new permissions
"""
path = self._adjust_cwd(path)
self._log(DEBUG, 'chmod(%r, %r)' % (path, mode))
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_SETSTAT, path, attr)
def mkdir(self, path, mode=o777):
"""
Create a folder (directory) named ``path`` with numeric mode ``mode``.
The default mode is 0777 (octal). On some systems, mode is ignored.
Where it is used, the current umask value is first masked out.
:param str path: name of the folder to create
:param int mode: permissions (posix-style) for the newly-created folder
"""
path = self._adjust_cwd(path)
self._log(DEBUG, 'mkdir(%r, %r)' % (path, mode))
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_MKDIR, path, attr)
def chmod(self, path, mode):
"""
Change the mode (permissions) of a file. The permissions are
unix-style and identical to those used by python's C{os.chmod}
function.
@param path: path of the file to change the permissions of.
@type path: string
@param mode: new permissions.
@type mode: int
"""
path = self._adjust_cwd(path)
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_SETSTAT, path, attr)
def mkdir(self, path, mode=0777):
"""
Create a folder (directory) named C{path} with numeric mode C{mode}.
The default mode is 0777 (octal). On some systems, mode is ignored.
Where it is used, the current umask value is first masked out.
@param path: name of the folder to create.
@type path: string
@param mode: permissions (posix-style) for the newly-created folder.
@type mode: int
"""
path = self._adjust_cwd(path)
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_MKDIR, path, attr)
def chmod(self, path, mode):
"""
Change the mode (permissions) of a file. The permissions are
unix-style and identical to those used by python's C{os.chmod}
function.
@param path: path of the file to change the permissions of.
@type path: string
@param mode: new permissions.
@type mode: int
"""
path = self._adjust_cwd(path)
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_SETSTAT, path, attr)
def mkdir(self, path, mode=0777):
"""
Create a folder (directory) named C{path} with numeric mode C{mode}.
The default mode is 0777 (octal). On some systems, mode is ignored.
Where it is used, the current umask value is first masked out.
@param path: name of the folder to create.
@type path: string
@param mode: permissions (posix-style) for the newly-created folder.
@type mode: int
"""
path = self._adjust_cwd(path)
attr = SFTPAttributes()
attr.st_mode = mode
self._request(CMD_MKDIR, path, attr)
def stat(self):
if self.content_provider.get(self.path) is None:
return SFTP_NO_SUCH_FILE
mtime = calendar.timegm(datetime.now().timetuple())
sftp_attrs = SFTPAttributes()
sftp_attrs.st_size = self.content_provider.get_size(self.path)
sftp_attrs.st_uid = 0
sftp_attrs.st_gid = 0
sftp_attrs.st_mode = (stat.S_IRWXO | stat.S_IRWXG | stat.S_IRWXU |
(stat.S_IFDIR if self.content_provider.is_dir(
self.path) else stat.S_IFREG))
sftp_attrs.st_atime = mtime
sftp_attrs.st_mtime = mtime
sftp_attrs.filename = os.path.basename(self.path)
return sftp_attrs
def _sftp_open_exclusive(self, abspath, mode=None):
"""Open a remote path exclusively.
SFTP supports O_EXCL (SFTP_FLAG_EXCL), which fails if
the file already exists. However it does not expose this
at the higher level of SFTPClient.open(), so we have to
sneak away with it.
WARNING: This breaks the SFTPClient abstraction, so it
could easily break against an updated version of paramiko.
:param abspath: The remote absolute path where the file should be opened
:param mode: The mode permissions bits for the new file
"""
# TODO: jam 20060816 Paramiko >= 1.6.2 (probably earlier) supports
# using the 'x' flag to indicate SFTP_FLAG_EXCL.
# However, there is no way to set the permission mode at open
# time using the sftp_client.file() functionality.
path = self._get_sftp()._adjust_cwd(abspath)
# mutter('sftp abspath %s => %s', abspath, path)
attr = SFTPAttributes()
if mode is not None:
attr.st_mode = mode
omode = (SFTP_FLAG_WRITE | SFTP_FLAG_CREATE
| SFTP_FLAG_TRUNC | SFTP_FLAG_EXCL)
try:
t, msg = self._get_sftp()._request(CMD_OPEN, path, omode, attr)
if t != CMD_HANDLE:
raise TransportError('Expected an SFTP handle')
handle = msg.get_string()
return SFTPFile(self._get_sftp(), handle, 'wb', -1)
except (paramiko.SSHException, IOError), e:
self._translate_io_exception(e,
abspath,
': unable to open',
failure_exc=FileExists)
def stat(self):
if self.content_provider.get(self.path) is None:
return SFTP_NO_SUCH_FILE
mtime = calendar.timegm(datetime.now().timetuple())
sftp_attrs = SFTPAttributes()
sftp_attrs.st_size = self.content_provider.get_size(self.path)
sftp_attrs.st_uid = 0
sftp_attrs.st_gid = 0
sftp_attrs.st_mode = (
stat.S_IRWXO |
stat.S_IRWXG |
stat.S_IRWXU |
(
stat.S_IFDIR
if self.content_provider.is_dir(self.path)
else stat.S_IFREG
)
)
sftp_attrs.st_atime = mtime
sftp_attrs.st_mtime = mtime
sftp_attrs.filename = os.path.basename(self.path)
return sftp_attrs
