- def todict (self):
- d=self.__dict__
- keys=[k for k in d.keys() if not k.startswith('_')]
- return dict ( [ (k,d[k]) for k in keys ] )
- def load_from_dict (self, d):
- for (k,v) in d.iteritems():
- # experimental
- if isinstance(v, StringTypes) and v.lower() in ['true']: v=True
- if isinstance(v, StringTypes) and v.lower() in ['false']: v=False
- setattr(self,k,v)
-
- def validate_datetime (self, key, incoming):
- if isinstance (incoming, datetime): return incoming
- elif isinstance (incoming, (int,float)):return datetime.fromtimestamp (incoming)
-
- # in addition we provide convenience for converting to and from xml records
- # for this purpose only, we need the subclasses to define 'fields' as either
- # a list or a dictionary
- def xml_fields (self):
- fields=self.fields
- if isinstance(fields,dict): fields=fields.keys()
- return fields
-
- def save_as_xml (self):
- # xxx not sure about the scope here
- input_dict = dict( [ (key, getattr(self.key), ) for key in self.xml_fields() if getattr(self,key,None) ] )
- xml_record=XML("<record />")
- xml_record.parse_dict (input_dict)
- return xml_record.toxml()
-
- def dump(self, format=None, dump_parents=False):
- if not format:
- format = 'text'
- else:
- format = format.lower()
- if format == 'text':
- self.dump_text(dump_parents)
- elif format == 'xml':
- print self.save_to_string()
- elif format == 'simple':
- print self.dump_simple()
- else:
- raise Exception, "Invalid format %s" % format
-
- # xxx fixme
- # turns out the date_created field is received by the client as a 'created' int
- # (and 'last_updated' does not make it at all)
- # let's be flexible
- def date_repr (self,fields):
- if not isinstance(fields,list): fields=[fields]
- for field in fields:
- value=getattr(self,field,None)
- if isinstance (value,datetime):
- return datetime_to_string (value)
- elif isinstance (value,(int,float)):
- return datetime_to_string(utcparse(value))
- # fallback
- return "** undef_datetime **"
-
- def dump_text(self, dump_parents=False):
- # print core fields in this order
- core_fields = [ 'hrn', 'type', 'authority', 'date_created', 'created', 'last_updated', 'gid', ]
- print "".join(['=' for i in range(40)])
- print "RECORD"
- print " hrn:", self.hrn
- print " type:", self.type
- print " authority:", self.authority
- print " date created:", self.date_repr( ['date_created','created'] )
- print " last updated:", self.date_repr('last_updated')
- print " gid:"
- print self.get_gid_object().dump_string(8, dump_parents)
-
- # print remaining fields
- for attrib_name in dir(self):
- attrib = getattr(self, attrib_name)
- # skip internals
- if attrib_name.startswith('_'): continue
- # skip core fields
- if attrib_name in core_fields: continue
- # skip callables
- if callable (attrib): continue
- print " %s: %s" % (attrib_name, attrib)
-
- def dump_simple(self):
- return "%s"%self
-
-# # only intended for debugging