2009-06-29 07:06:01 -05:00
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# ------------------------------------------------------------------------------
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import re, os, os.path
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from appy.gen.utils import FieldDescr
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from appy.gen.plone25.mixins import AbstractMixin
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from appy.gen.plone25.mixins.FlavourMixin import FlavourMixin
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from appy.gen.plone25.wrappers import AbstractWrapper
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_PY = 'Please specify a file corresponding to a Python interpreter ' \
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'(ie "/usr/bin/python").'
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FILE_NOT_FOUND = 'Path "%s" was not found.'
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VALUE_NOT_FILE = 'Path "%s" is not a file. ' + _PY
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NO_PYTHON = "Name '%s' does not starts with 'python'. " + _PY
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NOT_UNO_ENABLED_PYTHON = '"%s" is not a UNO-enabled Python interpreter. ' \
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'To check if a Python interpreter is UNO-enabled, ' \
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'launch it and type "import uno". If you have no ' \
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'ImportError exception it is ok.'
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# ------------------------------------------------------------------------------
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class ToolMixin(AbstractMixin):
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_appy_meta_type = 'tool'
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def _appy_validateUnoEnabledPython(self, value):
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'''This method represents the validator for field unoEnabledPython.
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This field is present on the Tool only if POD is needed.'''
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if value:
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if not os.path.exists(value):
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return FILE_NOT_FOUND % value
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if not os.path.isfile(value):
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return VALUE_NOT_FILE % value
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if not os.path.basename(value).startswith('python'):
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return NO_PYTHON % value
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if os.system('%s -c "import uno"' % value):
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return NOT_UNO_ENABLED_PYTHON % value
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return None
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def getFlavour(self, contextObjOrPortalType, appy=False):
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'''Gets the flavour that corresponds to p_contextObjOrPortalType.'''
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if isinstance(contextObjOrPortalType, basestring):
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portalTypeName = contextObjOrPortalType
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else:
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# It is the contextObj, not a portal type name
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portalTypeName = contextObjOrPortalType.portal_type
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res = None
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appyTool = self._appy_getWrapper(force=True)
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flavourNumber = None
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nameElems = portalTypeName.split('_')
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if len(nameElems) > 1:
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try:
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flavourNumber = int(nameElems[-1])
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except ValueError:
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pass
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appName = self.getProductConfig().PROJECTNAME
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if flavourNumber != None:
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for flavour in appyTool.flavours:
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if flavourNumber == flavour.number:
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res = flavour
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elif portalTypeName == ('%sFlavour' % appName):
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# Current object is the Flavour itself. In this cas we simply
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# return the wrapped contextObj. Here we are sure that
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# contextObjOrPortalType is an object, not a portal type.
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res = contextObjOrPortalType._appy_getWrapper(force=True)
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if not res and appyTool.flavours:
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res = appyTool.flavours[0]
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# If appy=False, return the Plone object and not the Appy wrapper
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# (this way, we avoid Zope security/access-related problems while
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# using this object in Zope Page Templates)
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if res and not appy:
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res = res.o
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return res
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def getFlavoursInfo(self):
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'''Returns information about flavours.'''
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res = []
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appyTool = self._appy_getWrapper(force=True)
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for flavour in appyTool.flavours:
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if isinstance(flavour.o, FlavourMixin):
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# This is a bug: sometimes other objects are associated as
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# flavours.
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res.append({'title': flavour.title, 'number':flavour.number})
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return res
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def getAppFolder(self):
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'''Returns the folder at the root of the Plone site that is dedicated
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to this application.'''
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portal = self.getProductConfig().getToolByName(
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self, 'portal_url').getPortalObject()
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appName = self.getProductConfig().PROJECTNAME
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return getattr(portal, appName)
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def showPortlet(self):
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return not self.portal_membership.isAnonymousUser()
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def executeQuery(self, queryName, flavourNumber):
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if queryName.find(',') != -1:
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# Several content types are specified
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portalTypes = queryName.split(',')
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if flavourNumber != 1:
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portalTypes = ['%s_%d' % (pt, flavourNumber) \
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for pt in portalTypes]
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else:
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portalTypes = queryName
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params = {'portal_type': portalTypes, 'batch': True}
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res = self.portal_catalog.searchResults(**params)
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batchStart = self.REQUEST.get('b_start', 0)
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res = self.getProductConfig().Batch(res,
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self.getNumberOfResultsPerPage(), int(batchStart), orphan=0)
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return res
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def getResultColumnsNames(self, queryName):
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contentTypes = queryName.strip(',').split(',')
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resSet = None # Temporary set for computing intersections.
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res = [] # Final, sorted result.
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flavour = None
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fieldNames = None
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for cType in contentTypes:
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# Get the flavour tied to those content types
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if not flavour:
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flavour = self.getFlavour(cType, appy=True)
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if flavour.number != 1:
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cType = cType.rsplit('_', 1)[0]
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fieldNames = getattr(flavour, 'resultColumnsFor%s' % cType)
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if not resSet:
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resSet = set(fieldNames)
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else:
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resSet = resSet.intersection(fieldNames)
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# By converting to set, we've lost order. Let's put things in the right
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# order.
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for fieldName in fieldNames:
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if fieldName in resSet:
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res.append(fieldName)
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return res
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def getResultColumns(self, anObject, queryName):
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'''What columns must I show when displaying a list of root class
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instances? Result is a list of tuples containing the name of the
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column (=name of the field) and a FieldDescr instance.'''
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res = []
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for fieldName in self.getResultColumnsNames(queryName):
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if fieldName == 'workflowState':
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# We do not return a FieldDescr instance if the attributes is
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# not a *real* attribute but the workfow state.
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res.append(fieldName)
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else:
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# Create a FieldDescr instance
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appyType = anObject.getAppyType(fieldName)
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2009-07-10 08:01:50 -05:00
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if not appyType:
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res.append({'atField': None, 'name': fieldName})
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# The field name is wrong.
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# We return it so we can show it in an error message.
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else:
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atField = anObject.schema.get(fieldName)
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fieldDescr = FieldDescr(atField, appyType, None)
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res.append(fieldDescr.get())
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2009-06-29 07:06:01 -05:00
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return res
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xhtmlToText = re.compile('<.*?>', re.S)
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def getReferenceLabel(self, brain, appyType):
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'''p_appyType is a Ref with link=True. I need to display, on an edit
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view, the referenced object p_brain in the listbox that will allow
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the user to choose which object(s) to link through the Ref.
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According to p_appyType, the label may only be the object title,
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or more if parameter appyType.shownInfo is used.'''
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res = brain.Title
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if 'title' in appyType['shownInfo']:
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# We may place it at another place
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res = ''
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appyObj = brain.getObject()._appy_getWrapper(force=True)
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for fieldName in appyType['shownInfo']:
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value = getattr(appyObj, fieldName)
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if isinstance(value, AbstractWrapper):
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value = value.title.decode('utf-8')
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elif isinstance(value, basestring):
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value = value.decode('utf-8')
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refAppyType = appyObj.o.getAppyType(fieldName)
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if refAppyType and (refAppyType['type'] == 'String') and \
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(refAppyType['format'] == 2):
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value = self.xhtmlToText.sub(' ', value)
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else:
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value = str(value)
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prefix = ''
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if res:
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prefix = ' | '
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res += prefix + value.encode('utf-8')
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maxWidth = self.getListBoxesMaximumWidth()
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if len(res) > maxWidth:
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res = res[:maxWidth-2] + '...'
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return res
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translationMapping = {'portal_path': ''}
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def translateWithMapping(self, label):
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'''Translates p_label in the application domain, with a default
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translation mapping.'''
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if not self.translationMapping['portal_path']:
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self.translationMapping['portal_path'] = \
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self.portal_url.getPortalPath()
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appName = self.getProductConfig().PROJECTNAME
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return self.utranslate(label, self.translationMapping, domain=appName)
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# ------------------------------------------------------------------------------
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