def getValue(self,
obj,
type='objects',
noListIfSingleObj=False,
startNumber=None,
someObjects=False):
'''Returns the objects linked to p_obj through this Ref field.
- If p_type is "objects", it returns the Appy wrappers;
- If p_type is "zobjects", it returns the Zope objects;
- If p_type is "uids", it returns UIDs of objects (= strings).
* If p_startNumber is None, it returns all referred objects.
* If p_startNumber is a number, it returns self.maxPerPage objects,
starting at p_startNumber.
If p_noListIfSingleObj is True, it returns the single reference as
an object and not as a list.
If p_someObjects is True, it returns an instance of SomeObjects
instead of returning a list of references.'''
uids = getattr(obj.aq_base, self.name, [])
if not uids:
# Maybe is there a default value?
defValue = Field.getValue(self, obj)
if defValue:
# I must prefix call to function "type" with "__builtins__"
# because this name was overridden by a method parameter.
if __builtins__['type'](defValue) in sutils.sequenceTypes:
uids = [o.o.UID() for o in defValue]
else:
uids = [defValue.o.UID()]
# Prepare the result: an instance of SomeObjects, that will be unwrapped
# if not required.
res = gutils.SomeObjects()
res.totalNumber = res.batchSize = len(uids)
batchNeeded = startNumber != None
if batchNeeded:
res.batchSize = self.maxPerPage
if startNumber != None:
res.startNumber = startNumber
# Get the objects given their uids
i = res.startNumber
while i < (res.startNumber + res.batchSize):
if i >= res.totalNumber: break
# Retrieve every reference in the correct format according to p_type
if type == 'uids':
ref = uids[i]
else:
ref = obj.getTool().getObject(uids[i])
if type == 'objects':
ref = ref.appy()
res.objects.append(ref)
i += 1
# Manage parameter p_noListIfSingleObj
if res.objects and noListIfSingleObj:
if self.multiplicity[1] == 1:
res.objects = res.objects[0]
if someObjects: return res
return res.objects
def getValue(self, obj, type='objects', noListIfSingleObj=False,
startNumber=None, someObjects=False):
'''Returns the objects linked to p_obj through this Ref field.
- If p_type is "objects", it returns the Appy wrappers;
- If p_type is "zobjects", it returns the Zope objects;
- If p_type is "uids", it returns UIDs of objects (= strings).
* If p_startNumber is None, it returns all referred objects.
* If p_startNumber is a number, it returns self.maxPerPage objects,
starting at p_startNumber.
If p_noListIfSingleObj is True, it returns the single reference as
an object and not as a list.
If p_someObjects is True, it returns an instance of SomeObjects
instead of returning a list of references.'''
uids = getattr(obj.aq_base, self.name, [])
if not uids:
# Maybe is there a default value?
defValue = Field.getValue(self, obj)
if defValue:
# I must prefix call to function "type" with "__builtins__"
# because this name was overridden by a method parameter.
if __builtins__['type'](defValue) in sutils.sequenceTypes:
uids = [o.o.UID() for o in defValue]
else:
uids = [defValue.o.UID()]
# Prepare the result: an instance of SomeObjects, that will be unwrapped
# if not required.
res = gutils.SomeObjects()
res.totalNumber = res.batchSize = len(uids)
batchNeeded = startNumber != None
if batchNeeded:
res.batchSize = self.maxPerPage
if startNumber != None:
res.startNumber = startNumber
# Get the objects given their uids
i = res.startNumber
while i < (res.startNumber + res.batchSize):
if i >= res.totalNumber: break
# Retrieve every reference in the correct format according to p_type
if type == 'uids':
ref = uids[i]
else:
ref = obj.getTool().getObject(uids[i])
if type == 'objects':
ref = ref.appy()
res.objects.append(ref)
i += 1
# Manage parameter p_noListIfSingleObj
if res.objects and noListIfSingleObj:
if self.multiplicity[1] == 1:
res.objects = res.objects[0]
if someObjects: return res
return res.objects
def getValue(self, obj):
# Cheat if this field represents p_obj's state
if self.name == 'state': return obj.State()
value = Field.getValue(self, obj)
if not value:
if self.isMultiValued(): return emptyTuple
else: return value
if isinstance(value, basestring) and self.isMultiValued():
value = [value]
elif isinstance(value, tuple):
value = list(value)
return value
def getValue(self, obj):
# Cheat if this field represents p_obj's state
if self.name == 'state': return obj.State()
value = Field.getValue(self, obj)
if not value:
if self.isMultiValued(): return emptyTuple
else: return value
if isinstance(value, basestring) and self.isMultiValued():
value = [value]
elif isinstance(value, tuple):
value = list(value)
return value
def getValue(self, obj):
'''Never returns "None". Returns always "True" or "False", even if
"None" is stored in the DB.'''
value = Field.getValue(self, obj)
if value == None: return False
return value
def getValue(self, obj):
value = Field.getValue(self, obj)
if value: value = sutils.FileWrapper(value)
return value
def getValue(self, obj):
'''Never returns "None". Returns always "True" or "False", even if
"None" is stored in the DB.'''
value = Field.getValue(self, obj)
if value == None: return False
return value
