def export_network(_data, **kwargs):
log.debug('CreateNetwork {0}'.format(_data))
# We'll deal with two additional attributes, '_network' and '_uid'.
# Thoses two attributes allow us to find the network from the value and vice-versa.
# Note that since the '_uid' refer to the current python context, it's value could be erroned when calling import_network.
# However the change of collisions are extremely improbable so checking the type of the python variable is sufficient.
# Please feel free to provide a better design if any if possible.
# Optimisation: Use existing network if already present in scene
if hasattr(_data, '_network') and libPymel.is_valid_PyNode(_data._network):
network = _data._network
else:
# Automaticly name network whenever possible
if hasattr(_data,
'__getNetworkName__') and _data.__getNetworkName__ is None:
networkName = _data.__class__.__name__
else:
networkName = _data.__getNetworkName__() if hasattr(
_data, '__getNetworkName__') else _data.__class__.__name__
_data._network = networkName
network = pymel.createNode('network', name=networkName)
# Ensure the network have the current python id stored
if not network.hasAttr('_uid'):
pymel.addAttr(network, longName='_uid', niceName='_uid',
at='long') # todo: validate attributeType
# network._uid.set(id(_data))
# Convert _pData to basic data dictionary (recursive for now)
dicData = core._export_basicData(_data, _bRecursive=False, **kwargs)
assert (isinstance(dicData, dict))
fnNet = network.__apimfn__()
for key, val in dicData.items():
if val is not None:
if key == '_class' or key[
0] != '_': # Attributes starting with '_' are protected or private
_addAttr(fnNet, key, val)
return network
def export_network(_data, **kwargs):
log.debug('CreateNetwork {0}'.format(_data))
# We'll deal with two additional attributes, '_network' and '_uid'.
# Thoses two attributes allow us to find the network from the value and vice-versa.
# Note that since the '_uid' refer to the current python context, it's value could be erroned when calling import_network.
# However the change of collisions are extremely improbable so checking the type of the python variable is sufficient.
# Please feel free to provide a better design if any if possible.
# Optimisation: Use existing network if already present in scene
if hasattr(_data, '_network') and libPymel.is_valid_PyNode(_data._network):
network = _data._network
else:
# Automaticly name network whenever possible
if hasattr(_data, '__getNetworkName__') and _data.__getNetworkName__ is None:
networkName = _data.__class__.__name__
else:
networkName = _data.__getNetworkName__() if hasattr(_data, '__getNetworkName__') else _data.__class__.__name__
_data._network = networkName
network = pymel.createNode('network', name=networkName)
# Ensure the network have the current python id stored
if not network.hasAttr('_uid'):
pymel.addAttr(network, longName='_uid', niceName='_uid', at='long') # todo: validate attributeType
# network._uid.set(id(_data))
# Convert _pData to basic data dictionary (recursive for now)
dicData = core._export_basicData(_data, _bRecursive=False, **kwargs)
assert(isinstance(dicData, dict))
fnNet = network.__apimfn__()
for key, val in dicData.items():
if val is not None:
if key == '_class' or key[0] != '_': # Attributes starting with '_' are protected or private
_addAttr(fnNet, key, val)
return network
def _createAttribute(_name, _val):
if isinstance(_val, basestring):
fn = OpenMaya.MFnTypedAttribute()
fn.create(_name, _name, OpenMaya.MFnData.kString)
return fn
kType = type(_val)
if issubclass(kType, bool):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kBoolean)
return fn
if issubclass(kType, int):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kInt)
return fn
if issubclass(kType, float):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kFloat)
return fn
if isinstance(_val, dict):
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
if isinstance(_val, list) or isinstance(type, tuple):
if len(_val) < 1:
pymel.warning(
"Can't create attribute {0}, empty array are unsuported".
format(_name))
return None
# TODO: Throw error when the array have multiple types
fn = _createAttribute(_name, _val[0])
fn.setArray(True)
return fn
if issubclass(kType, pymel.datatypes.Matrix): # HACK
fn = OpenMaya.MFnMatrixAttribute()
fn.create(_name, _name)
return fn
if issubclass(kType, pymel.Attribute):
if not libPymel.is_valid_PyNode(_val):
log.warning(
"Can't serialize {0} attribute because of non-existent pymel Attribute!"
.format(_name))
return None
elif _val.type() == 'doubleAngle':
fn = OpenMaya.MFnUnitAttribute()
fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kAngle)
return fn
elif _val.type() == 'time':
fn = OpenMaya.MFnUnitAttribute()
fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kTime)
return fn
#elif _val.type() == '???':
# fn = OpenMaya.MFnUnitAttribute()
# fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kDistance)
# return fn
# If the attribute doesn't represent anything special, we'll check it's value to know what attribute type to create.
else:
return _createAttribute(_name, _val.get())
if hasattr(_val, '__melobject__'): # TODO: Really usefull?
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
if hasattr(_val, '__dict__'):
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
pymel.error("Can't create MFnAttribute for {0} {1} {2}".format(
_name, _val, kType))
def _createAttribute(_name, _val):
if isinstance(_val, basestring):
fn = OpenMaya.MFnTypedAttribute()
fn.create(_name, _name, OpenMaya. MFnData.kString)
return fn
kType = type(_val)
if issubclass(kType, bool):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kBoolean)
return fn
if issubclass(kType, int):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kInt)
return fn
if issubclass(kType, float):
fn = OpenMaya.MFnNumericAttribute()
fn.create(_name, _name, OpenMaya.MFnNumericData.kFloat)
return fn
if isinstance(_val, dict):
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
if isinstance(_val, list) or isinstance(type, tuple):
if len(_val) < 1:
pymel.warning("Can't create attribute {0}, empty array are unsuported".format(_name))
return None
# TODO: Throw error when the array have multiple types
fn = _createAttribute(_name, _val[0])
fn.setArray(True)
return fn
if issubclass(kType, pymel.datatypes.Matrix): # HACK
fn = OpenMaya.MFnMatrixAttribute()
fn.create(_name, _name)
return fn
if issubclass(kType, pymel.Attribute):
if not libPymel.is_valid_PyNode(_val):
log.warning("Can't serialize {0} attribute because of non-existent pymel Attribute!".format(_name))
return None
elif _val.type() == 'doubleAngle':
fn = OpenMaya.MFnUnitAttribute()
fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kAngle)
return fn
elif _val.type() == 'time':
fn = OpenMaya.MFnUnitAttribute()
fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kTime)
return fn
#elif _val.type() == '???':
# fn = OpenMaya.MFnUnitAttribute()
# fn.create(_name, _name, OpenMaya.MFnUnitAttribute.kDistance)
# return fn
# If the attribute doesn't represent anything special, we'll check it's value to know what attribute type to create.
else:
return _createAttribute(_name, _val.get())
if hasattr(_val, '__melobject__'): # TODO: Really usefull?
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
if hasattr(_val, '__dict__'):
fn = OpenMaya.MFnMessageAttribute()
fn.create(_name, _name)
return fn
pymel.error("Can't create MFnAttribute for {0} {1} {2}".format(_name, _val, kType))
