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[gen] Added wrapper.createFrom, similar to wrapper.create, but allows to create an object with data from another object (kind of 'duplicate' functionality).

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Gaetan Delannay 2014-09-14 21:40:35 +02:00
parent 400158a0a1
commit 4d12293dc8
7 changed files with 70 additions and 34 deletions
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60
gen/wrappers/__init__.py
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@ -715,9 +715,10 @@ class AbstractWrapper(object):
def appy(self): return self
def __setattr__(self, name, value):
appyType = self.o.getAppyType(name)
if not appyType: raise Exception('Attribute "%s" does not exist.' %name)
appyType.store(self.o, value)
field = self.o.getAppyType(name)
if not field:
raise AttributeError('Attribute "%s" does not exist.' % name)
field.store(self.o, value)
def __getattribute__(self, name):
'''Gets the attribute named p_name. Lot of cheating here.'''
@ -844,13 +845,23 @@ class AbstractWrapper(object):
reverse=reverse)
refs._p_changed = 1
def create(self, fieldNameOrClass, noSecurity=False, **kwargs):
'''If p_fieldNameOrClass is the name of a field, this method allows to
create an object and link it to the current one (self) through
reference field named p_fieldName.
If p_fieldNameOrClass is a class from the gen-application, it must
correspond to a root class and this method allows to create a
root object in the application folder.'''
def create(self, fieldNameOrClass, noSecurity=False,
raiseOnWrongAttribute=True, **kwargs):
'''This method creates a new instance of a gen-class.
If p_fieldNameOrClass is the name of a field, the created object will
be linked to p_self via this field. If p_fieldNameOrClass is a class
from the gen-application, it must correspond to a root class: the
created object will be stored in the main application folder (and no
link will exist between it and p_self).
p_kwargs allow to specify values for object fields.
If p_noSecurity is True, security checks will not be performed.
If p_raiseOnWrongAttribute is True, if a value from p_kwargs does not
correspond to a field on the created object, an AttributeError will
be raised. Else, the value will be silently ignored.
'''
isField = isinstance(fieldNameOrClass, basestring)
tool = self.tool.o
# Determine the class of the object to create
@ -867,11 +878,6 @@ class AbstractWrapper(object):
del kwargs['id']
else:
objId = tool.generateUid(portalType)
# Determine if object must be created from external data
externalData = None
if kwargs.has_key('_data'):
externalData = kwargs['_data']
del kwargs['_data']
# Where must I create the object?
if not isField:
folder = tool.getPath('/data')
@ -886,17 +892,33 @@ class AbstractWrapper(object):
appyObj = zopeObj.appy()
# Set object attributes
for attrName, attrValue in kwargs.iteritems():
setattr(appyObj, attrName, attrValue)
try:
setattr(appyObj, attrName, attrValue)
except AttributeError, ae:
if raiseOnWrongAttribute: raise ae
if isField:
# Link the object to this one
appyType.linkObject(self, appyObj)
# Call custom initialization
if externalData: param = externalData
else: param = True
if hasattr(appyObj, 'onEdit'): appyObj.onEdit(param)
if hasattr(appyObj, 'onEdit'): appyObj.onEdit(True)
zopeObj.reindex()
return appyObj
def createFrom(self, fieldNameOrClass, other, noSecurity=False):
'''Similar to m_create above, excepted that we will use another object
(p_other) as base for filling in data for the object to create.'''
# Get the field values to set from p_other and store it in a dict.
# p_other may not be of the same class as p_self.
params = {}
for field in other.fields:
# Skip the added attribute "state"
if field.name == 'state': continue
# Skip back references.
if (field.type == 'Ref') and field.isBack: continue
params[field.name] = field.getCopyValue(other.o)
return self.create(fieldNameOrClass, noSecurity=noSecurity,
raiseOnWrongAttribute=False, **params)
def freeze(self, fieldName, template=None, format='pdf', noSecurity=True,
freezeOdtOnError=True):
'''This method freezes the content of pod field named p_fieldName, for