def __init__(self, configuration_path=None, configuration_file=None,
defaults=None):
raw_defaults = None
if defaults:
raw_defaults = {}
for key, value in defaults.items():
raw_defaults[key] = json.dumps(value)
self._raw_config = ConfigParser.RawConfigParser(raw_defaults)
self._configuration_path = configuration_path
if configuration_path:
configuration_segments = local_filesystem.getSegmentsFromRealPath(
configuration_path)
if not local_filesystem.isFile(configuration_segments):
raise UtilsError(u'1011', _(
u'Configuration file "%s" does not exists.' % (
configuration_path)))
try:
self._configuration_file = (
local_filesystem.openFileForReading(
configuration_segments, utf8=True))
except IOError:
raise UtilsError(u'1012', _(
u'Server process could not read the configuration file '
u'"%s".' % (configuration_path))
)
elif configuration_file:
self._configuration_file = configuration_file
else:
raise AssertionError('You must specify a path or a file.')
def generate(self, key_type=crypto.TYPE_RSA, key_size=DEFAULT_KEY_SIZE):
'''Create the key data.'''
if key_type not in [crypto.TYPE_RSA, crypto.TYPE_DSA]:
raise UtilsError(u'1003',
_('Unknown key type "%s".' % (key_type)))
key = None
key_class = KEY_CLASSES[key_type]
try:
key = key_class.generate(bits=key_size, randfunc=rand.bytes)
except ValueError, error:
raise UtilsError(u'1004',
_(u'Wrong key size "%d". %s.' % (key_size, unicode(error))))
def getEventGroupDefinition(self, name):
"""
See `IEventsDefinition`.
"""
try:
event_group = self._group_definitions[name]
except KeyError:
raise UtilsError(u'1031',
_('No EventGroupDefinition with name "%s"' % (name)))
else:
return event_group
def getEventDefinition(self, id):
"""
See `IEventsDefinition`.
"""
try:
event_definition = self._event_definitions[id]
except KeyError:
raise UtilsError(u'1030',
_('No EventDefinition with id "%s"' % (id)))
else:
return event_definition
def load(self):
'''Load configuration from input file.'''
try:
self._raw_config.readfp(self._configuration_file)
except (ConfigParser.ParsingError, AttributeError), error:
self._configuration_file = None
message = error.message
if not isinstance(message, unicode):
message = message.decode('utf-8')
raise UtilsError(u'1002', _(
u'Could not parse the configuration file. %s' % (message))
)
def _fileRotateEachToHumanReadable(self, value):
"""
Return the human readable representation for file_rotate_each
tuple provided as `value'.
(2, 's') returns 2 seconds
"""
mapping = {
u's': u'second',
u'm': u'minute',
u'h': u'hour',
u'd': u'day',
u'midnight': u'midnight',
u'w0': u'monday',
u'w1': u'tuesday',
u'w2': u'wednesday',
u'w3': u'thursday',
u'w4': u'friday',
u'w5': u'saturday',
u'w6': u'sunday',
}
try:
frequency = int(value[0])
except ValueError:
raise self._fileRotateEachError(
_(u'Bad interval count. Got: "%s"' % (value[0])))
if frequency < 0:
raise self._fileRotateEachError(
_(u'Interval should not be less than 0'))
try:
when = mapping[value[1]]
except KeyError:
raise self._fileRotateEachError(
_(u'Unknown interval type. Got: "%s"' % (value[1])))
return u'%s %s' % (frequency, when)
def _get(self, method, section, option, type_name=''):
"""
Helper to get a value for a specific type.
"""
try:
return method(section, option)
except ValueError, error:
raise UtilsError(u'1000', _(
u'Wrong %(type)s value for option "%(option)s" in '
u'section "%(section)s". %(error_details)s' % {
'type': type_name,
'option': option,
'section': section,
'error_details': unicode(error),
}))
def _set(self, converter, section, option, value, type_name=''):
"""
Helper to set a value for a specific type.
"""
try:
converted_value = converter(value)
except (ValueError, TypeError), error:
raise UtilsError(u'1001', _(
u'Cannot set %(type)s value %(value)s for option %(option)s '
u'in %(section)s. %(error)s') % {
'type': type_name,
'value': value,
'option': option,
'section': section,
'error': str(error),
}
)
def _fileRotateEachError(self, details):
return UtilsError(u'1023',
_(u'Wrong value for logger rotation based on time interval. '
u'%s' % (details)))
def _fileRotateEachToMachineReadable(self, value):
"""
Return the machine readable format for `value`.
Inside the configuration file, the value is stored as a human
readable format like::
1 hour | 2 seconds | 2 midnight | 3 Monday | Disabled
When reading the value, it will return::
(1, 'h') | (2, 's') | (2, 'midnight') | (3, 'w0') | None
"""
mapping = {
u'second': u's',
u'seconds': u's',
u'minute': u'm',
u'minutes': u'm',
u'hour': u'h',
u'hours': u'h',
u'day': u'd',
u'days': u'd',
u'midnight': u'midnight',
u'midnights': u'midnight',
u'monday': u'w0',
u'mondays': u'w0',
u'tuesday': u'w1',
u'tuesdays': u'w1',
u'wednesday': u'w2',
u'wednesdays': u'w2',
u'thursday': u'w3',
u'thursdays': u'w3',
u'friday': u'w4',
u'fridays': u'w4',
u'saturday': u'w5',
u'saturdays': u'w5',
u'sunday': u'w6',
u'sundays': u'w6',
}
if not value:
return None
tokens = re.split('\W+', value)
if len(tokens) != 2:
raise self._fileRotateEachError(_(u'Got: "%s"' % (value)))
try:
interval = int(tokens[0])
except ValueError:
raise self._fileRotateEachError(
_(u'Interval is not an integer. Got: "%s"' % (tokens[0])))
if interval < 0:
raise self._fileRotateEachError(
_(u'Interval should not be less than 0'))
when = tokens[1].lower()
try:
when = mapping[when]
except KeyError:
raise self._fileRotateEachError(
_(u'Unknown interval type. Got: "%s"' % (tokens[1])))
return (interval, when)
