+
+
from sfa.util.sfatime import utcparse, datetime_to_string
-from types import StringTypes
from datetime import datetime
from sfa.util.xml import XML
from sfa.trust.gid import GID
+from sfa.util.sfalogging import logger
+
+
class Record:
- def __init__(self, dict=None, xml=None):
+ def __init__(self, dict=None, xml_str=None):
if dict:
self.load_from_dict(dict)
- elif xml:
- xml_record = XML(xml)
- xml_dict = xml_record.todict()
- self.load_from_dict(xml_dict)
-
+ elif xml_str:
+ xml = XML(xml_str)
+ xml_dict = xml.todict()
+ self.load_from_dict(xml_dict)
def get_field(self, field):
return self.__dict__.get(field, None)
# 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]
+ 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)):
+ 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 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 ] )
-
+
+ #
+ # need to filter out results, esp. wrt relationships
+ # exclude_types must be a tuple so we can use isinstance
+ #
+ def record_to_dict(self, exclude_types=None):
+ if exclude_types is None:
+ exclude_types = ()
+ d = self.__dict__
+
+ def exclude(k, v):
+ return k.startswith('_') or isinstance(v, exclude_types)
+ keys = [k for k, v in list(d.items()) if not exclude(k, v)]
+ return {k: d[k] for k in keys}
+
def toxml(self):
return self.save_as_xml()
- def load_from_dict (self, d):
- for (k,v) in d.iteritems():
+ def load_from_dict(self, d):
+ for (k, v) in d.items():
# 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)
+ if isinstance(v, str) and v.lower() in ['true']:
+ v = True
+ if isinstance(v, str) and v.lower() in ['false']:
+ v = False
+ setattr(self, k, v)
# 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.__dict__.keys()
+ def fields(self):
+ fields = list(self.__dict__.keys())
return fields
- def save_as_xml (self):
+ 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)
+ input_dict = dict([(key, getattr(self, key))
+ for key in self.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):
+ def dump(self, format=None, dump_parents=False, sort=False):
if not format:
format = 'text'
else:
format = format.lower()
if format == 'text':
- self.dump_text(dump_parents)
+ self.dump_text(dump_parents, sort=sort)
elif format == 'xml':
- print self.save_to_string()
+ print(self.save_as_xml())
elif format == 'simple':
- print self.dump_simple()
+ print(self.dump_simple())
else:
- raise Exception, "Invalid format %s" % format
-
- 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:"
- if self.gid:
- print GID(self.gid).dump_string(8, dump_parents)
+ raise Exception("Invalid format %s" % format)
+ def dump_text(self, dump_parents=False, sort=False):
+ print(40 * '=')
+ print("RECORD")
# print remaining fields
- for attrib_name in dir(self):
+ fields = self.fields()
+ if sort:
+ fields.sort()
+ for attrib_name in fields:
attrib = getattr(self, attrib_name)
# skip internals
- if attrib_name.startswith('_'): continue
- # skip core fields
- if attrib_name in core_fields: continue
+ if attrib_name.startswith('_'):
+ continue
# skip callables
- if callable (attrib): continue
- print " %s: %s" % (attrib_name, attrib)
+ if callable(attrib):
+ continue
+ # handle gid
+ if attrib_name == 'gid':
+ print(" gid:")
+ print(GID(string=attrib).dump_string(8, dump_parents))
+ elif attrib_name in ['date created', 'last updated']:
+ print(" %s: %s" % (attrib_name, self.date_repr(attrib_name)))
+ else:
+ print(" %s: %s" % (attrib_name, attrib))
def dump_simple(self):
- return "%s"%self
+ return "%s" % self