# Current message isn't compressed TS data
if not hasattr(self._definition.header, "offset"):
return timestamp, offset
# Compressed TS data message: calculate new TS and update model
timestamp += (self._definition.header.offset - offset) & TIMESTAMP_MASK
offset = self._definition.header.offset
self._meta.names[TIMESTAMP_FIELD_NUM] = TIMESTAMP_FIELD_NAME
ts_field = self._meta.model[TIMESTAMP_FIELD_NUM] = \
LocalDateTime(TIMESTAMP_FIELD_NUM)
setattr(self, TIMESTAMP_FIELD_NAME, ts_field._load(timestamp))
return timestamp, offset
KNOWN = get_known(__name__, Message, key="msg_type")
def register(message_cls):
if not issubclass(message_cls, Message):
raise ValueError(
"%s should be subclass of Message" % message_cls.__name__)
if not isinstance(message_cls.msg_type, int):
raise ValueError(
"%s should have defined message type" % message_cls.__name__)
if not message_cls._meta.model:
raise ValueError(
"%s should have not empty model" % message_cls.__name__)
KNOWN[message_cls.msg_type] = message_cls
return self
def __add__(self, other):
self.offset = other
return self
def _load(self, data):
if not self.scale and not self.offset:
return super(BinaryType, self)._load(data)
value = float(data)
if self.scale:
value /= float(self.scale)
if self.offset:
value -= float(self.offset)
return value
def _save(self, value):
if not self.scale and not self.offset:
return super(BinaryType, self)._save(value)
data = value
if self.offset:
data += self.offset
if self.scale:
data *= self.scale
return int(data)
KNOWN = get_known(__name__, Type)
return self
def __add__(self, other):
self.offset = other
return self
def _load(self, data):
if not self.scale and not self.offset:
return super(BinaryType, self)._load(data)
value = float(data)
if self.scale:
value /= float(self.scale)
if self.offset:
value -= float(self.offset)
return value
def _save(self, value):
if not self.scale and not self.offset:
return super(BinaryType, self)._save(value)
data = value
if self.offset:
data += self.offset
if self.scale:
data *= self.scale
return int(data)
KNOWN = get_known(__name__, Type)
# Current message isn't compressed TS data
if not hasattr(self._definition.header, "offset"):
return timestamp, offset
# Compressed TS data message: calculate new TS and update model
timestamp += (self._definition.header.offset - offset) & TIMESTAMP_MASK
offset = self._definition.header.offset
self._meta.names[TIMESTAMP_FIELD_NUM] = TIMESTAMP_FIELD_NAME
ts_field = self._meta.model[TIMESTAMP_FIELD_NUM] = \
LocalDateTime(TIMESTAMP_FIELD_NUM)
setattr(self, TIMESTAMP_FIELD_NAME, ts_field._load(timestamp))
return timestamp, offset
KNOWN = get_known(__name__, Message, key="msg_type")
def register(message_cls):
if not issubclass(message_cls, Message):
raise ValueError("%s should be subclass of Message" %
message_cls.__name__)
if not isinstance(message_cls.msg_type, int):
raise ValueError("%s should have defined message type" %
message_cls.__name__)
if not message_cls._meta.model:
raise ValueError("%s should have not empty model" %
message_cls.__name__)
KNOWN[message_cls.msg_type] = message_cls
mcs = [FitFile]
if self.file_id:
mixin_cls = KNOWN.get(self.file_id.filetype)
if mixin_cls:
if issubclass(mixin_cls, FitFile):
mcs = [mixin_cls]
else:
mcs.append(mixin_cls)
self.__class__ = type(mcs[-1].__name__, tuple(mcs), {})
def _validate(self, i, value=None):
if value and not isinstance(value, Message):
raise ValueError("Item should be instance of %s type" %
Message.__name__)
if not value: # removing
if i == 0 and len(self.body) > 1 and self.file_id:
raise IndexError(
"Can't remove file id record from not empty file")
else: # inserting or updating
if i == 0 and len(self.body) > 1 and self.file_id:
raise IndexError(
"Can't update file id record of not empty file")
elif not isinstance(value, tuple(self.record_types)):
raise TypeError(
"%s doesn't support %s records" %
(self.__class__.__name__, value.__class__.__name__))
KNOWN = get_known(__name__, FileLike)
return instance
def _apply_mixin(self):
from fit import FitFile
mcs = [FitFile]
if self.file_id:
mixin_cls = KNOWN.get(self.file_id.filetype)
if mixin_cls:
if issubclass(mixin_cls, FitFile):
mcs = [mixin_cls]
else:
mcs.append(mixin_cls)
self.__class__ = type(mcs[-1].__name__, tuple(mcs), {})
def _validate(self, i, value=None):
if value and not isinstance(value, Message):
raise ValueError("Item should be instance of %s type" % Message.__name__)
if not value: # removing
if i == 0 and len(self.body) > 1 and self.file_id:
raise IndexError("Can't remove file id record from not empty file")
else: # inserting or updating
if i == 0 and len(self.body) > 1 and self.file_id:
raise IndexError("Can't update file id record of not empty file")
elif not isinstance(value, tuple(self.record_types)):
raise TypeError("%s doesn't support %s records" % (self.__class__.__name__, value.__class__.__name__))
KNOWN = get_known(__name__, FileLike)