def save_container(container, path):
if container.is_dir:
return save_dir_container(container, path)
temp = PersistentTemporaryFile(prefix=('_' if iswindows else '.'),
suffix=os.path.splitext(path)[1],
dir=os.path.dirname(path))
if hasattr(os, 'fchmod'):
# Ensure file permissions and owner information is preserved
fno = temp.fileno()
st = None
try:
st = os.stat(path)
except OSError as err:
if err.errno != errno.ENOENT:
raise
# path may not exist if we are saving a copy, in which case we use
# the metadata from the original book
try:
st = os.stat(container.path_to_ebook)
except OSError as err:
if err.errno != errno.ENOENT:
raise
# Somebody deleted the original file
if st is not None:
try:
os.fchmod(fno, st.st_mode)
except OSError as err:
if err.errno != errno.EPERM:
raise
raise OSError(
'Failed to change permissions of {} to {} ({}), with error: {}. Most likely the {} directory has a restrictive umask'
.format(temp.name, oct(st.st_mode),
format_permissions(st.st_mode),
errno.errorcode[err.errno],
os.path.dirname(temp.name)))
try:
os.fchown(fno, st.st_uid, st.st_gid)
except OSError as err:
if err.errno not in (errno.EPERM, errno.EACCES):
# ignore chown failure as user could be editing file belonging
# to a different user, in which case we really can't do anything
# about it short of making the file update non-atomic
raise
temp.close()
temp = temp.name
try:
container.commit(temp)
atomic_rename(temp, path)
finally:
if os.path.exists(temp):
os.remove(temp)
def save_container(container, path):
if container.is_dir:
return save_dir_container(container, path)
temp = PersistentTemporaryFile(
prefix=('_' if iswindows else '.'), suffix=os.path.splitext(path)[1], dir=os.path.dirname(path))
if hasattr(os, 'fchmod'):
# Ensure file permissions and owner information is preserved
fno = temp.fileno()
st = None
try:
st = os.stat(path)
except EnvironmentError as err:
if err.errno != errno.ENOENT:
raise
# path may not exist if we are saving a copy, in which case we use
# the metadata from the original book
try:
st = os.stat(container.path_to_ebook)
except EnvironmentError as err:
if err.errno != errno.ENOENT:
raise
# Somebody deleted the original file
if st is not None:
try:
os.fchmod(fno, st.st_mode)
except EnvironmentError as err:
if err.errno != errno.EPERM:
raise
raise EnvironmentError('Failed to change permissions of %s to %s (%s), with error: %s. Most likely the %s directory has a restrictive umask' % (
temp.name, oct(st.st_mode), format_permissions(st.st_mode), errno.errorcode[err.errno], os.path.dirname(temp.name)))
try:
os.fchown(fno, st.st_uid, st.st_gid)
except EnvironmentError as err:
if err.errno not in (errno.EPERM, errno.EACCES):
# ignore chown failure as user could be editing file belonging
# to a different user, in which case we really cant do anything
# about it short of making the file update non-atomic
raise
temp.close()
temp = temp.name
try:
container.commit(temp)
atomic_rename(temp, path)
finally:
if os.path.exists(temp):
os.remove(temp)