def save(self, configuration_file=None):
"""
Store the configuration into file.
By default, it stores the data, in the same *path* fromw
which it was loaded from.
`configuration_file` argument is provided to help with testing.
"""
if configuration_file:
self._writeToFile(store_file=configuration_file)
return
if not self._configuration_path:
raise AssertionError(
'Trying to save a configuration that was not loaded from '
' a file from disk.')
real_segments = local_filesystem.getSegmentsFromRealPath(
self._configuration_path)
tmp_segments = real_segments[:]
tmp_segments[-1] = tmp_segments[-1] + u'.tmp'
store_file = local_filesystem.openFileForWriting(
tmp_segments, utf8=True)
self._writeToFile(store_file=store_file)
store_file.close()
# We delete the file first to work around windows problems.
local_filesystem.deleteFile(real_segments)
local_filesystem.rename(tmp_segments, real_segments)
def _writePID(self):
"""
Write process ID in pid file.
"""
pid_path = os.path.abspath(self.options.pid)
pid_segments = local_filesystem.getSegmentsFromRealPath(pid_path)
try:
pid_file = local_filesystem.openFileForWriting(pid_segments)
pid_file.write('%d' % os.getpid())
pid_file.close()
except (OSError, IOError):
raise CompatError(
1008,
_(u'Could not write PID file at %s.' % (pid_path)),
)
