Example #1
0
    def _setValue(self, name, other, otherName, noFireChanges=False,
                  cardinality=None, alias=None, dictKey=None, otherKey=None,
                  otherCard=None, otherAlias=None):

        item = self._item
        view = item.itsView

        if name in self:
            value = self._getRef(name, None, otherName)
            if value is not None and isitem(value):
                value.itsRefs._removeRef(otherName, item)

        if isitem(other):
            if other.isDeleting():
                raise ValueError, ('setting bi-ref with an item being deleted',
                                   item, name, other)

            otherView = other.itsView
            if otherView is not view:
                raise ViewMismatchError, (item, other)
                    
            if otherName in other.itsRefs:
                value = other.itsRefs._getRef(otherName, None, name)
                if value is not None and isitem(value):
                    value.itsRefs._removeRef(name, other)

            value = self._setRef(name, other, otherName, cardinality,
                                 alias, dictKey, otherKey)
            try:
                otherValue = other.itsRefs._setRef(otherName, item, name,
                                                   otherCard, otherAlias,
                                                   otherKey, dictKey)
            except:
                self._removeRef(name, other)   # remove dangling ref
                raise

            if not noFireChanges:
                if not item._isNoDirty():
                    item._fireChanges('set', name)
                if not (other is None or other._isNoDirty()):
                    other._fireChanges('set', otherName)

            if value._isRefs():
                view._notifyChange(item._collectionChanged,
                                   'add', 'collection', name,
                                   other.itsUUID, ())

            if otherValue._isRefs():
                view._notifyChange(other._collectionChanged,
                                   'add', 'collection', otherName,
                                   item.itsUUID, ())

        elif other in (None, Empty):
            self._setRef(name, other, otherName, cardinality,
                         alias, dictKey, otherKey)
            if not (noFireChanges or item._isNoDirty()):
                item._fireChanges('set', name)

        else:
            raise TypeError, other
Example #2
0
    def iterValues(self, item):

        def append(values, value):
            if not (value is None or isitemref(value)):
                if isitem(value) or isinstance(value, RefList):
                    values.append(value)
                elif isinstance(value, PersistentCollection):
                    values.append(value._iterItems())
                elif isinstance(value, AbstractSet):
                    values.append(value)
                else:
                    raise TypeError, type(value)

        value = item
        for name in self.attribute:
            if isinstance(value, PersistentCollection):
                values = []
                for v in value._iterItems():
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, RefList):
                values = []
                for v in value:
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, AbstractSet):
                values = []
                for v in value:
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, list):
                values = []
                for v in value:
                    if isitem(v):
                        append(values, v.getAttributeValue(name, None, None, None))
                    else:
                        for i in v:
                            append(values, i.getAttributeValue(name, None, None, None))
                value = values
            else:
                value = value.getAttributeValue(name, None, None, None)
                if value is None or isitemref(value):
                    break
                if not (isitem(value) or
                        isinstance(value, (PersistentCollection,
                                           RefList, AbstractSet))):
                    value = None
                    break

        if value is None:
            return []

        if isitem(value):
            return [value]

        if isinstance(value, PersistentCollection):
            return value._iterItems()

        return value
Example #3
0
    def iterValues(self, item):
        def append(values, value):
            if not (value is None or isitemref(value)):
                if isitem(value) or isinstance(value, RefList):
                    values.append(value)
                elif isinstance(value, PersistentCollection):
                    values.append(value._iterItems())
                elif isinstance(value, AbstractSet):
                    values.append(value)
                else:
                    raise TypeError, type(value)

        value = item
        for name in self.attribute:
            if isinstance(value, PersistentCollection):
                values = []
                for v in value._iterItems():
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, RefList):
                values = []
                for v in value:
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, AbstractSet):
                values = []
                for v in value:
                    append(values, v.getAttributeValue(name, None, None, None))
                value = values
            elif isinstance(value, list):
                values = []
                for v in value:
                    if isitem(v):
                        append(values,
                               v.getAttributeValue(name, None, None, None))
                    else:
                        for i in v:
                            append(values,
                                   i.getAttributeValue(name, None, None, None))
                value = values
            else:
                value = value.getAttributeValue(name, None, None, None)
                if value is None or isitemref(value):
                    break
                if not (isitem(value) or isinstance(
                        value, (PersistentCollection, RefList, AbstractSet))):
                    value = None
                    break

        if value is None:
            return []

        if isitem(value):
            return [value]

        if isinstance(value, PersistentCollection):
            return value._iterItems()

        return value
Example #4
0
    def recognizes(self, value):

        if value is None:
            return True

        if isitemref(value):
            item = value(True)
            if isitem(item):
                return item.isItemOf(self)
            return True

        if isitem(value):
            return value.isItemOf(self)

        return False
Example #5
0
    def recognizes(self, value):

        if value is None:
            return True

        if isitemref(value):
            item = value(True)
            if isitem(item):
                return item.isItemOf(self)
            return True

        if isitem(value):
            return value.isItemOf(self)
    
        return False
    def _getRef(self, name, other=None, otherName=None, default=Default):

        value = self.get(name, self)
        item = self._item

        if other is None:
            if value is self:
                if default is not Default:
                    return default
                raise KeyError, name
            if value in (None, Empty) or isitem(value) or value._isRefs():
                return value

            raise TypeError, '%s, type: %s' % (value, type(value))

        if value is other:
            return other

        if value is self or value is None:
            raise BadRefError, (item, name, value, other)

        if value is Empty:
            raise DanglingRefError(item, name, other)

        if value._isRefs():
            if other in value:
                return other
            else:
                raise DanglingRefError(item, name, other)

        raise BadRefError, (item, name, value, other)
Example #7
0
    def _getRef(self, name, other=None, otherName=None, default=Default):

        value = self.get(name, self)
        item = self._item

        if other is None:
            if value is self:
                if default is not Default:
                    return default
                raise KeyError, name
            if value in (None, Empty) or isitem(value) or value._isRefs():
                return value

            raise TypeError, '%s, type: %s' %(value, type(value))

        if value is other:
            return other

        if value is self or value is None:
            raise BadRefError, (item, name, value, other)

        if value is Empty:
            raise DanglingRefError(item, name, other)

        if value._isRefs():
            if other in value:
                return other
            else:
                raise DanglingRefError(item, name, other)

        raise BadRefError, (item, name, value, other)
    def __repr__(self):

        owner = self._owner(True)
        if isitem(owner):
            owner = owner._repr_()

        return '<%s: %s.%s<->%s>' % (type(self).__name__, owner, self._name,
                                     self._otherName)
Example #9
0
    def __repr__(self):

        owner = self._owner(True)
        if isitem(owner):
            owner = owner._repr_()

        return '<%s: %s.%s<->%s>' %(type(self).__name__,
                                    owner, self._name, self._otherName)
Example #10
0
    def _checkCardinality(self, logger, name, value, cardType, attrCard,
                          repair):

        if not (value in (None, Empty) or
                (cardType is None and isitem(value)) or
                (cardType is not None and isinstance(value, cardType))):
            logger.error("Value %s of type %s in attribute '%s' on %s is not an instance of type %s which is required for cardinality '%s'", repr(value), type(value), name, self._item._repr_(), cardType, attrCard)
            return False

        return True
Example #11
0
 def append(values, value):
     if not (value is None or isitemref(value)):
         if isitem(value) or isinstance(value, RefList):
             values.append(value)
         elif isinstance(value, PersistentCollection):
             values.append(value._iterItems())
         elif isinstance(value, AbstractSet):
             values.append(value)
         else:
             raise TypeError, type(value)
Example #12
0
 def append(values, value):
     if not (value is None or isitemref(value)):
         if isitem(value) or isinstance(value, RefList):
             values.append(value)
         elif isinstance(value, PersistentCollection):
             values.append(value._iterItems())
         elif isinstance(value, AbstractSet):
             values.append(value)
         else:
             raise TypeError, type(value)
Example #13
0
 def append(values, value):
     if value is not None:
         if isuuid(value) or isinstance(value, RefList):
             values.append(value)
         elif isitem(value) or isitemref(value):
             values.append(value.itsUUID)
         elif isinstance(value, PersistentCollection):
             values.extend(value._iterKeys())
         elif isinstance(value, AbstractSet):
             values.append(value)
         else:
             raise TypeError, type(value)
Example #14
0
 def append(values, value):
     if value is not None:
         if isuuid(value) or isinstance(value, RefList):
             values.append(value)
         elif isitem(value) or isitemref(value):
             values.append(value.itsUUID)
         elif isinstance(value, PersistentCollection):
             values.extend(value._iterKeys())
         elif isinstance(value, AbstractSet):
             values.append(value)
         else:
             raise TypeError, type(value)
    def _checkCardinality(self, logger, name, value, cardType, attrCard,
                          repair):

        if not (value in (None, Empty) or
                (cardType is None and isitem(value)) or
                (cardType is not None and isinstance(value, cardType))):
            logger.error(
                "Value %s of type %s in attribute '%s' on %s is not an instance of type %s which is required for cardinality '%s'",
                repr(value), type(value), name, self._item._repr_(), cardType,
                attrCard)
            return False

        return True
    def _iterItems(self, items=None):

        if items is None:
            items = {}
        for value in self._itervalues():
            if isitemref(value):
                item = value(True)
                if isitem(item):
                    uuid = item.itsUUID
                    if uuid not in items:
                        items[uuid] = item
                        yield item
            elif isinstance(value, PersistentCollection):
                for v in value._iterItems(items):
                    yield v
Example #17
0
    def refCount(self, name, loaded):

        count = 0

        value = self._dict.get(name)
        if value not in (None, Empty):
            if isitemref(value):
                if not loaded:
                    count += 1
                elif isitem(value.itsItem):
                    count += 1
            elif value._isRefs():
                count += value.refCount(loaded)

        return count
    def refCount(self, name, loaded):

        count = 0

        value = self._dict.get(name)
        if value not in (None, Empty):
            if isitemref(value):
                if not loaded:
                    count += 1
                elif isitem(value.itsItem):
                    count += 1
            elif value._isRefs():
                count += value.refCount(loaded)

        return count
Example #19
0
    def _setItem(self, item):

        if self._owner is not Nil:
            assert item.itsUUID == self._owner.itsUUID

            for link in self._itervalues():
                link.value._parent = item

        if isitem(item):
            item._status |= CItem.CONTAINER
            self._owner = item.itsRef
            self._view = item.itsView
        elif item is None:
            self._owner = Nil

        self._owner = ref(item)
    def _setItem(self, item):

        if self._owner is not Nil:
            assert item.itsUUID == self._owner.itsUUID

            for link in self._itervalues():
                link.value._parent = item

        if isitem(item):
            item._status |= CItem.CONTAINER
            self._owner = item.itsRef
            self._view = item.itsView
        elif item is None:
            self._owner = Nil

        self._owner = ref(item)
    def _copy(self, item, attribute, copyPolicy, copyFn=None):

        copy = type(self)(item, attribute)
        policy = copyPolicy or item.getAttributeAspect(attribute, 'copyPolicy',
                                                       False, None, 'copy')
        
        for value in self:
            if isitem(value):
                if copyFn is not None:
                    value = copyFn(item, value, policy)
                if value is not Nil:
                    copy.add(value, False)
            elif isinstance(value, ItemValue):
                copy.add(value._copy(item, attribute, policy, copyFn), False)
            else:
                copy.add(value, False)

        return copy
    def prepareValue(self, item, attribute, value, setDirty=True):
        
        if isinstance(value, ItemValue):
            if value._owner is not Nil:
                value = value._copy(item, attribute, 'copy')
            else:
                value._setOwner(item, attribute)
        elif isinstance(value, list):
            value = PersistentList(item, attribute, value, setDirty)
        elif isinstance(value, dict):
            value = PersistentDict(item, attribute, value, setDirty)
        elif isinstance(value, tuple):
            value = PersistentTuple(item, attribute, value, setDirty)
        elif isinstance(value, set):
            value = PersistentSet(item, attribute, value, setDirty)
        elif isitem(value):
            value = value.itsRef

        return value
Example #23
0
    def _hashValues(self):

        hash = 0

        names = self.keys()
        names.sort()

        for name in names:
            hash = _combine(hash, _hash(name))
            value = self[name]
                
            if value in (None, Empty):
                hash = _combine(hash, 0)
            elif isitem(value):
                hash = _combine(hash, value._uuid._hash)
            elif value._isRefs():
                hash = _combine(hash, value._hashValues())
            else:
                raise TypeError, value

        return hash
    def _hashValues(self):

        hash = 0

        names = self.keys()
        names.sort()

        for name in names:
            hash = _combine(hash, _hash(name))
            value = self[name]

            if value in (None, Empty):
                hash = _combine(hash, 0)
            elif isitem(value):
                hash = _combine(hash, value._uuid._hash)
            elif value._isRefs():
                hash = _combine(hash, value._hashValues())
            else:
                raise TypeError, value

        return hash
    def useValue(self, value):

        if isitem(value):
            return value.itsRef
        if isinstance(value, PersistentCollection):
            return value
        if isitemref(value):
            return value

        if isinstance(value, list):
            return [self.useValue(v) for v in value]
        elif isinstance(value, set):
            return set([self.useValue(v) for v in value])
        elif isinstance(value, tuple):
            return tuple([self.useValue(v) for v in value])
        elif isinstance(value, dict):
            d = {}
            for k, v in value.itervalues():
                d[k] = self.useValue(v)
            return d
        else:
            return value
Example #26
0
    def typeHandler(cls, view, value):

        try:
            method = getattr(type(value), "getTypeItem", None)
            if method is not None:
                return method(value, view)
            else:
                for t in cls.typeHandlers[view][type(value)]:
                    if t.recognizes(value):
                        return t
        except KeyError:
            pass

        if isitem(value):
            return cls.typeHandlers[view][ItemRef][0]

        typeKind = cls.typeHandlers[view][None]
        types = typeKind.findTypes(value)
        if types:
            return types[0]

        raise TypeError, "No handler for values of type %s" % (type(value))
    def _setValue(self,
                  name,
                  other,
                  otherName,
                  noFireChanges=False,
                  cardinality=None,
                  alias=None,
                  dictKey=None,
                  otherKey=None,
                  otherCard=None,
                  otherAlias=None):

        item = self._item
        view = item.itsView

        if name in self:
            value = self._getRef(name, None, otherName)
            if value is not None and isitem(value):
                value.itsRefs._removeRef(otherName, item)

        if isitem(other):
            if other.isDeleting():
                raise ValueError, ('setting bi-ref with an item being deleted',
                                   item, name, other)

            otherView = other.itsView
            if otherView is not view:
                raise ViewMismatchError, (item, other)

            if otherName in other.itsRefs:
                value = other.itsRefs._getRef(otherName, None, name)
                if value is not None and isitem(value):
                    value.itsRefs._removeRef(name, other)

            value = self._setRef(name, other, otherName, cardinality, alias,
                                 dictKey, otherKey)
            try:
                otherValue = other.itsRefs._setRef(otherName, item, name,
                                                   otherCard, otherAlias,
                                                   otherKey, dictKey)
            except:
                self._removeRef(name, other)  # remove dangling ref
                raise

            if not noFireChanges:
                if not item._isNoDirty():
                    item._fireChanges('set', name)
                if not (other is None or other._isNoDirty()):
                    other._fireChanges('set', otherName)

            if value._isRefs():
                view._notifyChange(item._collectionChanged, 'add',
                                   'collection', name, other.itsUUID, ())

            if otherValue._isRefs():
                view._notifyChange(other._collectionChanged, 'add',
                                   'collection', otherName, item.itsUUID, ())

        elif other in (None, Empty):
            self._setRef(name, other, otherName, cardinality, alias, dictKey,
                         otherKey)
            if not (noFireChanges or item._isNoDirty()):
                item._fireChanges('set', name)

        else:
            raise TypeError, other
    def _checkRef(self, logger, name, other, repair):

        if other is not None:
            if not isitem(other):
                other = self._item.find(other)
                if other is None:
                    logger.error('DanglingRefError: %s.%s', self._item.itsPath,
                                 name)
                    return False

            if other.isStale():
                logger.error('Found stale item %s at %s.%s', other,
                             self._item.itsPath, name)
                return False

            if other.itsView is not self._item.itsView:
                logger.error("views don't match: %s at %s.%s", other,
                             self._item.itsPath, name)
                return False

        item = self._item
        otherName = item.itsKind.getOtherName(name, item, None)
        if otherName is None:
            logger.error('otherName is None for attribute %s.%s',
                         self._item._kind.itsPath, name)
            return False

        if other not in (None, Empty):
            if other.itsKind is None:
                raise AssertionError, 'no kind for %s' % (other.itsPath)
            otherOtherName = other.itsKind.getOtherName(otherName, other, None)
            if otherOtherName != name:
                logger.error(
                    "otherName for attribute %s.%s, %s, does not match otherName for attribute %s.%s, %s",
                    self._item.itsKind.itsPath, name, otherName,
                    other.itsKind.itsPath, otherName, otherOtherName)
                return False

            otherOther = other.itsRefs._getRef(otherName)

            if otherOther is self._item:
                return True

            elif otherOther._isRefs():
                if (otherOther._isDict() or  # check not yet implemented
                        self._item in otherOther):
                    return True

                logger.error(
                    "%s doesn't contain a reference to %s, yet %s.%s references %s",
                    otherOther, self._item._repr_(), self._item._repr_(), name,
                    other._repr_())
                if repair:
                    logger.warning("Removing dangling ref to %s from %s.%s",
                                   other._repr_(), self._item._repr_(), name)
                    self._removeRef(name, other)
                    return None

            elif isitem(otherOther):
                logger.error("%s.%s doesn't reference %s.%s but %s",
                             other._repr_(), otherName, self._item._repr_(),
                             name, otherOther._repr_())
            else:
                logger.error("%s.%s doesn't reference %s.%s but %s",
                             other._repr_(), otherName, self._item._repr_(),
                             name, otherOther)
            return False

        return True
Example #29
0
    def iterKeys(self, key, firstValue=Default):

        view = self.itsView

        def append(values, value):
            if value is not None:
                if isuuid(value) or isinstance(value, RefList):
                    values.append(value)
                elif isitem(value) or isitemref(value):
                    values.append(value.itsUUID)
                elif isinstance(value, PersistentCollection):
                    values.extend(value._iterKeys())
                elif isinstance(value, AbstractSet):
                    values.append(value)
                else:
                    raise TypeError, type(value)

        if firstValue is not Default:
            names = self.attribute[1:]
            value = firstValue
        else:
            names = self.attribute
            value = key

        for name in names:
            if isinstance(value, PersistentCollection):
                values = []
                for v in value._iterKeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, RefList):
                values = []
                for v in value.iterkeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, AbstractSet):
                values = []
                for v in value.iterkeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, list):
                values = []
                for v in value:
                    if isuuid(v):
                        append(values, view.findValue(v, name, None))
                    else:
                        for k in v.iterkeys():
                            append(values, view.findValue(k, name, None))
                value = values
            else:
                value = view.findValue(value, name, None)
                if value is None:
                    break
                if isitemref(value) or isitem(value):
                    value = value.itsUUID
                elif not (isuuid(value) or
                          isinstance(value, (PersistentCollection,
                                             RefList, AbstractSet))):
                    value = None
                    break

        if value is None:
            return []

        if isuuid(value):
            return [value]

        if isitemref(value) or isitem(value):
            return [value.itsUUID]

        if isinstance(value, PersistentCollection):
            return value._iterKeys()

        if isinstance(value, RefList):
            return value.iterkeys()

        return value
Example #30
0
    def __setitem__(self, dictKey, value):

        if isitem(value):
            self._refList(dictKey).append(value)
        else:
            self._refList(dictKey).extend(value)
Example #31
0
 def str(self, arg):
     if isitem(arg):
         return arg._repr_()
     else:
         return str(arg)
Example #32
0
    def iterKeys(self, key, firstValue=Default):

        view = self.itsView

        def append(values, value):
            if value is not None:
                if isuuid(value) or isinstance(value, RefList):
                    values.append(value)
                elif isitem(value) or isitemref(value):
                    values.append(value.itsUUID)
                elif isinstance(value, PersistentCollection):
                    values.extend(value._iterKeys())
                elif isinstance(value, AbstractSet):
                    values.append(value)
                else:
                    raise TypeError, type(value)

        if firstValue is not Default:
            names = self.attribute[1:]
            value = firstValue
        else:
            names = self.attribute
            value = key

        for name in names:
            if isinstance(value, PersistentCollection):
                values = []
                for v in value._iterKeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, RefList):
                values = []
                for v in value.iterkeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, AbstractSet):
                values = []
                for v in value.iterkeys():
                    append(values, view.findValue(v, name, None))
                value = values
            elif isinstance(value, list):
                values = []
                for v in value:
                    if isuuid(v):
                        append(values, view.findValue(v, name, None))
                    else:
                        for k in v.iterkeys():
                            append(values, view.findValue(k, name, None))
                value = values
            else:
                value = view.findValue(value, name, None)
                if value is None:
                    break
                if isitemref(value) or isitem(value):
                    value = value.itsUUID
                elif not (isuuid(value) or isinstance(
                        value, (PersistentCollection, RefList, AbstractSet))):
                    value = None
                    break

        if value is None:
            return []

        if isuuid(value):
            return [value]

        if isitemref(value) or isitem(value):
            return [value.itsUUID]

        if isinstance(value, PersistentCollection):
            return value._iterKeys()

        if isinstance(value, RefList):
            return value.iterkeys()

        return value
Example #33
0
    def _checkRef(self, logger, name, other, repair):

        if other is not None:
            if not isitem(other):
                other = self._item.find(other)
                if other is None:
                    logger.error('DanglingRefError: %s.%s',
                                 self._item.itsPath, name)
                    return False

            if other.isStale():
                logger.error('Found stale item %s at %s.%s',
                             other, self._item.itsPath, name)
                return False

            if other.itsView is not self._item.itsView:
                logger.error("views don't match: %s at %s.%s",
                             other, self._item.itsPath, name)
                return False

        item = self._item
        otherName = item.itsKind.getOtherName(name, item, None)
        if otherName is None:
            logger.error('otherName is None for attribute %s.%s',
                         self._item._kind.itsPath, name)
            return False

        if other not in (None, Empty):
            if other.itsKind is None:
                raise AssertionError, 'no kind for %s' %(other.itsPath)
            otherOtherName = other.itsKind.getOtherName(otherName, other, None)
            if otherOtherName != name:
                logger.error("otherName for attribute %s.%s, %s, does not match otherName for attribute %s.%s, %s",
                             self._item.itsKind.itsPath, name, otherName,
                             other.itsKind.itsPath, otherName, otherOtherName)
                return False

            otherOther = other.itsRefs._getRef(otherName)

            if otherOther is self._item:
                return True

            elif otherOther._isRefs():
                if (otherOther._isDict() or # check not yet implemented
                    self._item in otherOther):
                    return True

                logger.error("%s doesn't contain a reference to %s, yet %s.%s references %s",
                             otherOther, self._item._repr_(),
                             self._item._repr_(), name, other._repr_())
                if repair:
                    logger.warning("Removing dangling ref to %s from %s.%s",
                                   other._repr_(), self._item._repr_(), name)
                    self._removeRef(name, other)
                    return None

            elif isitem(otherOther):
                logger.error("%s.%s doesn't reference %s.%s but %s",
                             other._repr_(), otherName, self._item._repr_(),
                             name, otherOther._repr_())
            else:
                logger.error("%s.%s doesn't reference %s.%s but %s",
                             other._repr_(), otherName, self._item._repr_(),
                             name, otherOther)
            return False

        return True
    def __setitem__(self, dictKey, value):

        if isitem(value):
            self._refList(dictKey).append(value)
        else:
            self._refList(dictKey).extend(value)
    def xmlValue(cls, view, name, value, tag, attrType, attrCard, attrId,
                 attrs, generator, withSchema):

        if name is not None:
            if not isinstance(name, (str, unicode)):
                attrs['nameType'] = cls.typeHandler(view, value).handlerName()
                attrs['name'] = cls.makeString(view, name)
            else:
                attrs['name'] = name

        if attrId is not None:
            attrs['id'] = attrId.str64()

        if attrCard == 'single':
            if attrType is not None and attrType.isAlias():
                aliasType = attrType.type(value)
                if aliasType is None:
                    raise TypeError, "%s does not alias type of value '%s' of type %s" % (
                        attrType.itsPath, value, type(value))
                attrType = aliasType
                attrs['typeid'] = attrType._uuid.str64()

            elif withSchema or attrType is None:
                attrType = cls.typeHandler(view, value)
                attrs['typeid'] = attrType._uuid.str64()

        else:
            attrs['cardinality'] = attrCard

        generator.startElement(tag, attrs)

        if attrCard == 'single':

            if isitem(value):
                raise TypeError, "item %s cannot be stored as a literal value" % (
                    value.itsPath)

            if value is Nil:
                raise ValueError, 'Cannot persist Nil'

            if attrType is not None:
                if not attrType.recognizes(value):
                    raise TypeError, "value '%s' of type %s is not recognized by type %s" % (
                        value, type(value), attrType.itsPath)
                else:
                    attrType.typeXML(value, generator, withSchema)
            else:
                generator.characters(cls.makeString(view, value))

        elif attrCard in ('list', 'set'):
            for val in value._itervalues():
                cls.xmlValue(view, None, val, 'value', attrType, 'single',
                             None, {}, generator, withSchema)

        elif attrCard == 'dict':
            for key, val in value._iteritems():
                cls.xmlValue(view, key, val, 'value', attrType, 'single', None,
                             {}, generator, withSchema)
        else:
            raise ValueError, attrCard

        generator.endElement(tag)
Example #36
0
    def xmlValue(cls, view, name, value, tag, attrType, attrCard, attrId,
                 attrs, generator, withSchema):

        if name is not None:
            if not isinstance(name, (str, unicode)):
                attrs['nameType'] = cls.typeHandler(view,
                                                    value).handlerName()
                attrs['name'] = cls.makeString(view, name)
            else:
                attrs['name'] = name

        if attrId is not None:
            attrs['id'] = attrId.str64()

        if attrCard == 'single':
            if attrType is not None and attrType.isAlias():
                aliasType = attrType.type(value)
                if aliasType is None:
                    raise TypeError, "%s does not alias type of value '%s' of type %s" %(attrType.itsPath, value, type(value))
                attrType = aliasType
                attrs['typeid'] = attrType._uuid.str64()

            elif withSchema or attrType is None:
                attrType = cls.typeHandler(view, value)
                attrs['typeid'] = attrType._uuid.str64()

        else:
            attrs['cardinality'] = attrCard

        generator.startElement(tag, attrs)

        if attrCard == 'single':

            if isitem(value):
                raise TypeError, "item %s cannot be stored as a literal value" %(value.itsPath)

            if value is Nil:
                raise ValueError, 'Cannot persist Nil'

            if attrType is not None:
                if not attrType.recognizes(value):
                    raise TypeError, "value '%s' of type %s is not recognized by type %s" %(value, type(value), attrType.itsPath)
                else:
                    attrType.typeXML(value, generator, withSchema)
            else:
                generator.characters(cls.makeString(view, value))
            
        elif attrCard in ('list', 'set'):
            for val in value._itervalues():
                cls.xmlValue(view,
                             None, val, 'value', attrType, 'single',
                             None, {}, generator, withSchema)

        elif attrCard == 'dict':
            for key, val in value._iteritems():
                cls.xmlValue(view,
                             key, val, 'value', attrType, 'single',
                             None, {}, generator, withSchema)
        else:
            raise ValueError, attrCard

        generator.endElement(tag)