def set_permissions(path, mode=None, user=None, group=None, log=None):
"""Set the ownership and permissions on the pathname.
Each of the mode, user and group are optional, if None then
that aspect is not modified.
Owner and group may be specified either with a symbolic name
or numeric id.
:param string path: Pathname of directory whose existence is assured.
:param object mode: ownership permissions flags (int) i.e. chmod,
if None do not set.
:param object user: set user, name (string) or uid (integer),
if None do not set.
:param object group: set group, name (string) or gid (integer)
if None do not set.
:param logger log: logging.logger object, used to emit log messages,
if None no logging is performed.
"""
if user is None:
user_uid, user_name = None, None
else:
user_uid, user_name = get_unix_user(user)
if group is None:
group_gid, group_name = None, None
else:
group_gid, group_name = get_unix_group(group)
if log:
if mode is None:
mode_string = str(mode)
else:
mode_string = oct(mode)
log.debug(
"set_permissions: "
"path='%s' mode=%s user=%s(%s) group=%s(%s)", path, mode_string,
user_name, user_uid, group_name, group_gid)
# Change user and group if specified
if user_uid is not None or group_gid is not None:
if user_uid is None:
user_uid = -1
if group_gid is None:
group_gid = -1
try:
os.chown(path, user_uid, group_gid)
except OSError as exc:
raise EnvironmentError("chown('%s', %s, %s): %s" %
(path, user_name, group_name, exc.strerror))
# Change permission flags
if mode is not None:
try:
os.chmod(path, mode)
except OSError as exc:
raise EnvironmentError("chmod('%s', %#o): %s" %
(path, mode, exc.strerror))
def make_dirs(path, mode=None, user=None, group=None, log=None):
"""Assure directory exists, set ownership and permissions.
Assure the directory exists and optionally set its ownership
and permissions.
Each of the mode, user and group are optional, if None then
that aspect is not modified.
Owner and group may be specified either with a symbolic name
or numeric id.
:param string path: Pathname of directory whose existence is assured.
:param object mode: ownership permissions flags (int) i.e. chmod,
if None do not set.
:param object user: set user, name (string) or uid (integer),
if None do not set.
:param object group: set group, name (string) or gid (integer)
if None do not set.
:param logger log: logging.logger object, used to emit log messages,
if None no logging is performed.
"""
if log:
if mode is None:
mode_string = str(mode)
else:
mode_string = oct(mode)
log.debug("make_dirs path='%s' mode=%s user=%s group=%s",
path, mode_string, user, group)
if not os.path.exists(path):
try:
os.makedirs(path)
except OSError as exc:
raise EnvironmentError("makedirs('%s'): %s" % (path, exc.strerror))
set_permissions(path, mode, user, group, log)
def make_dirs(path, mode=None, user=None, group=None, log=None):
"""Assure directory exists, set ownership and permissions.
Assure the directory exists and optionally set its ownership
and permissions.
Each of the mode, user and group are optional, if None then
that aspect is not modified.
Owner and group may be specified either with a symbolic name
or numeric id.
:param string path: Pathname of directory whose existence is assured.
:param object mode: ownership permissions flags (int) i.e. chmod,
if None do not set.
:param object user: set user, name (string) or uid (integer),
if None do not set.
:param object group: set group, name (string) or gid (integer)
if None do not set.
:param logger log: logging.logger object, used to emit log messages,
if None no logging is performed.
"""
if log:
if mode is None:
mode_string = str(mode)
else:
mode_string = oct(mode)
log.debug("make_dirs path='%s' mode=%s user=%s group=%s", path,
mode_string, user, group)
if not os.path.exists(path):
try:
os.makedirs(path)
except OSError as exc:
raise EnvironmentError("makedirs('%s'): %s" % (path, exc.strerror))
set_permissions(path, mode, user, group, log)
def set_permissions(path, mode=None, user=None, group=None, log=None):
'''Set the ownership and permissions on the pathname.
Each of the mode, user and group are optional, if None then
that aspect is not modified.
Owner and group may be specified either with a symbolic name
or numeric id.
:param string path: Pathname of directory whose existence is assured.
:param object mode: ownership permissions flags (int) i.e. chmod,
if None do not set.
:param object user: set user, name (string) or uid (integer),
if None do not set.
:param object group: set group, name (string) or gid (integer)
if None do not set.
:param logger log: logging.logger object, used to emit log messages,
if None no logging is performed.
'''
if user is None:
user_uid, user_name = None, None
else:
user_uid, user_name = get_unix_user(user)
if group is None:
group_gid, group_name = None, None
else:
group_gid, group_name = get_unix_group(group)
if log:
if mode is None:
mode_string = str(mode)
else:
mode_string = oct(mode)
log.debug("set_permissions: "
"path='%s' mode=%s user=%s(%s) group=%s(%s)",
path, mode_string,
user_name, user_uid, group_name, group_gid)
# Change user and group if specified
if user_uid is not None or group_gid is not None:
if user_uid is None:
user_uid = -1
if group_gid is None:
group_gid = -1
try:
os.chown(path, user_uid, group_gid)
except OSError as exc:
raise EnvironmentError("chown('%s', %s, %s): %s" %
(path,
user_name, group_name,
exc.strerror))
# Change permission flags
if mode is not None:
try:
os.chmod(path, mode)
except OSError as exc:
raise EnvironmentError("chmod('%s', %#o): %s" %
(path, mode, exc.strerror))