def dtype(self, new_type):
# check if this is a valid type
if not dtypes.valid_type(new_type):
raise AttributeError("'%s' is not a valid type." % new_type)
# we convert the value if possible
old_type = self._dtype
old_value = dtypes.set(self._value, self._dtype)
try:
new_value = dtypes.get(old_value, new_type)
except:
# cannot convert, try the other way around
try:
old_value = dtypes.set(self._value, new_type)
new_value = dtypes.get(old_value, new_type)
except:
#doesn't work either, therefore refuse
raise ValueError("cannot convert '%s' from '%s' to '%s'" % (self.value, old_type, new_type))
self._value = new_value
self._dtype = new_type
def dtype(self, new_type):
# check if this is a valid type
if not dtypes.valid_type(new_type):
raise AttributeError("'%s' is not a valid type." % new_type)
# we convert the value if possible
old_type = self._dtype
old_value = dtypes.set(self._value, self._dtype, self._encoder)
try:
new_value = dtypes.get(old_value, new_type, self._encoder)
except:
# cannot convert, try the other way around
try:
old_value = dtypes.set(self._value, new_type, self._encoder)
new_value = dtypes.get(old_value, new_type, self._encoder)
except:
#doesn't work either, therefore refuse
raise ValueError("cannot convert '%s' from '%s' to '%s'" % (self.value, old_type, new_type))
self._value = new_value
self._dtype = new_type
def value(self):
"""
used to access typed data of the value as a string.
Use data to access the raw type, i.e.:
>>> v = Value(1, type="float")
>>> v.data
1.0
>>> v.data = 1.5
>>> v.value
"1.5"
>>> v.value = 2
>>> v.data
2.0
"""
return dtypes.set(self._value, self._dtype)
def value(self):
"""
used to access typed data of the value as a string.
Use data to access the raw type, i.e.:
>>> v = Value(1, type="float")
>>> v.data
1.0
>>> v.data = 1.5
>>> v.value
"1.5"
>>> v.value = 2
>>> v.data
2.0
"""
return dtypes.set(self._value, self._dtype, self._encoder)
def date(self):
"""
The date the document was created.
"""
return dtypes.set(self._date, "date")
def value_str(self, index=0):
"""
used to access typed data of the value as a string.
Use data to access the raw type, i.e.:
"""
return dtypes.set(self._value[index], self._dtype)
def value_str(self, index=0):
"""
Used to access typed data of the value as a string.
Use data to access the raw type, i.e.:
"""
return dtypes.set(self._value[index], self._dtype)