Implemented blueprints https://blueprints.launchpad.net/appy/+spec/gen-create-root-objects, https://blueprints.launchpad.net/appy/+spec/gen-get-flavour and https://blueprints.launchpad.net/appy/+spec/pod-define-variables
This commit is contained in:
Gaetan Delannay
parent
ec17f900a6
commit
10eea7d735
19 changed files with 1770 additions and 1644 deletions
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@ -2,7 +2,14 @@
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developer the real classes used by the undelrying web framework.'''
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# ------------------------------------------------------------------------------
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import time
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import time, os.path, mimetypes
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from appy.gen.utils import sequenceTypes
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from appy.shared.utils import getOsTempFolder
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# Some error messages ----------------------------------------------------------
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WRONG_FILE_TUPLE = 'This is not the way to set a file. You can specify a ' \
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'2-tuple (fileName, fileContent) or a 3-tuple (fileName, fileContent, ' \
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'mimeType).'
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# ------------------------------------------------------------------------------
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class AbstractWrapper:
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@ -10,8 +17,56 @@ class AbstractWrapper:
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of this class.'''
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def __init__(self, o):
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self.__dict__['o'] = o
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def _set_file_attribute(self, name, v):
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'''Updates the value of a file attribute named p_name with value p_v.
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p_v may be:
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- a string value containing the path to a file on disk;
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- a 2-tuple (fileName, fileContent) where
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* fileName = the name of the file (ie "myFile.odt")
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* fileContent = the binary or textual content of the file or an
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open file handler.
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- a 3-tuple (fileName, fileContent, mimeType) where mimeType is the
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v MIME type of the file.'''
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ploneFileClass = self.o.getProductConfig().File
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if isinstance(v, ploneFileClass):
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exec "self.o.set%s%s(v)" % (name[0].upper(), name[1:])
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elif isinstance(v, FileWrapper):
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setattr(self, name, v._atFile)
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elif isinstance(v, basestring):
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f = file(v)
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fileName = os.path.basename(v)
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fileId = 'file.%f' % time.time()
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ploneFile = ploneFileClass(fileId, fileName, f)
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ploneFile.filename = fileName
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ploneFile.content_type = mimetypes.guess_type(fileName)[0]
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setattr(self, name, ploneFile)
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f.close()
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elif type(v) in sequenceTypes:
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# It should be a 2-tuple or 3-tuple
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fileName = None
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mimeType = None
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if len(v) == 2:
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fileName, fileContent = v
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elif len(v) == 3:
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fileName, fileContent, mimeType = v
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else:
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raise WRONG_FILE_TUPLE
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if fileName:
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fileId = 'file.%f' % time.time()
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ploneFile = ploneFileClass(fileId, fileName, fileContent)
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ploneFile.filename = fileName
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if not mimeType:
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mimeType = mimetypes.guess_type(fileName)[0]
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ploneFile.content_type = mimeType
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setattr(self, name, ploneFile)
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def __setattr__(self, name, v):
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exec "self.o.set%s%s(v)" % (name[0].upper(), name[1:])
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appyType = self.o.getAppyType(name)
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if not appyType and (name != 'title'):
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raise 'Attribute "%s" does not exist.' % name
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if appyType and (appyType['type'] == 'File'):
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self._set_file_attribute(name, v)
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else:
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exec "self.o.set%s%s(v)" % (name[0].upper(), name[1:])
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def __cmp__(self, other):
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if other:
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return cmp(self.o, other.o)
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@ -20,6 +75,9 @@ class AbstractWrapper:
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def get_tool(self):
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return self.o.getTool()._appy_getWrapper(force=True)
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tool = property(get_tool)
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def get_flavour(self):
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return self.o.getTool().getFlavour(self.o, appy=True)
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flavour = property(get_flavour)
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def get_session(self):
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return self.o.REQUEST.SESSION
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session = property(get_session)
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@ -61,21 +119,37 @@ class AbstractWrapper:
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sortedRefField
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getattr(self.o, sortedRefField).append(obj.UID())
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def create(self, fieldName, **kwargs):
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'''This method allows to create an object and link it to the current
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one through reference field named p_fieldName.'''
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# Determine object id and portal type
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portalType = self.o.getAppyRefPortalType(fieldName)
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def create(self, fieldNameOrClass, **kwargs):
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'''If p_fieldNameOfClass is the name of a field, this method allows to
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create an object and link it to the current one (self) through
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reference field named p_fieldName.
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If p_fieldNameOrClass is a class from the gen-application, it must
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correspond to a root class and this method allows to create a
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root object in the application folder.'''
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isField = isinstance(fieldNameOrClass, basestring)
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# Determine the portal type of the object to create
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if isField:
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fieldName = fieldNameOrClass
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idPrefix = fieldName
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portalType = self.o.getAppyRefPortalType(fieldName)
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else:
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theClass = fieldNameOrClass
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idPrefix = theClass.__name__
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portalType = self.o._appy_getAtType(theClass, self.flavour.o)
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# Determine object id
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if kwargs.has_key('id'):
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objId = kwargs['id']
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del kwargs['id']
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else:
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objId = '%s.%f' % (fieldName, time.time())
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# Where must I create te object?
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if hasattr(self, 'folder') and self.folder:
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folder = self.o
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objId = '%s.%f' % (idPrefix, time.time())
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# Where must I create the object?
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if not isField:
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folder = self.o.getTool().getAppFolder()
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else:
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folder = self.o.getParentNode()
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if hasattr(self, 'folder') and self.folder:
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folder = self.o
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else:
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folder = self.o.getParentNode()
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# Create the object
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folder.invokeFactory(portalType, objId)
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ploneObj = getattr(folder, objId)
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@ -93,13 +167,15 @@ class AbstractWrapper:
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pass
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else:
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getattr(ploneObj, setterName)(attrValue)
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# Link the object to this one
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self.link(fieldName, ploneObj)
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if isField:
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# Link the object to this one
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self.link(fieldName, ploneObj)
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self.o.reindexObject()
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# Call custom initialization
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try:
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appyObj.onEdit(True) # Call custom initialization
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appyObj.onEdit(True)
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except AttributeError:
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pass
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self.o.reindexObject()
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ploneObj.reindexObject()
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return appyObj
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@ -133,4 +209,49 @@ class AbstractWrapper:
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self.o._v_appy_do = {'doAction': doAction, 'doNotify': doNotify}
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wfTool.doActionFor(self.o, transitionName, comment=comment)
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del self.o._v_appy_do
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# ------------------------------------------------------------------------------
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class FileWrapper:
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'''When you get, from an appy object, the value of a File attribute, you
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get an instance of this class.'''
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def __init__(self, atFile):
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'''This constructor is only used by Appy to create a nice File instance
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from a Plone/Zope corresponding instance (p_atFile). If you need to
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create a new file and assign it to a File attribute, use the
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attribute setter, do not create yourself an instance of this
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class.'''
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d = self.__dict__
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d['_atFile'] = atFile # Not for you!
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d['name'] = atFile.filename
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d['content'] = atFile.data
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d['mimeType'] = atFile.content_type
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d['size'] = atFile.size # In bytes
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def __setattr__(self, name, v):
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d = self.__dict__
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if name == 'name':
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self._atFile.filename = v
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d['name'] = v
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elif name == 'content':
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self._atFile.update_data(v, self.mimeType, len(v))
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d['content'] = v
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d['size'] = len(v)
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elif name == 'mimeType':
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self._atFile.content_type = self.mimeType = v
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else:
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raise 'Impossible to set attribute %s. "Settable" attributes ' \
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'are "name", "content" and "mimeType".' % name
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def dump(self, filePath=None):
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'''Writes the file on disk. If p_filePath is specified, it is the
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path name where the file will be dumped; folders mentioned in it
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must exist. If not, the file will be dumped in the OS temp folder.
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The absoulte path name of the dumped file is returned.'''
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if not filePath:
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filePath = '%s/file%f.%s' % (getOsTempFolder(), time.time(),
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self.name)
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f = file(filePath, 'w')
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f.write(self.content)
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f.close()
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return filePath
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# ------------------------------------------------------------------------------
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