+from __future__ import print_function
+
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()
+ 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)
# (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]
+ if not isinstance(fields,list):
+ fields = [fields]
for field in fields:
- value=getattr(self,field,None)
+ value = getattr(self,field,None)
if isinstance (value,datetime):
return datetime_to_string (value)
elif isinstance (value,(int,float)):
# fallback
return "** undef_datetime **"
- # it may be important to exclude relationships, which fortunately
+ #
+ # need to filter out results, esp. wrt relationships
+ # exclude_types must be a tuple so we can use isinstance
#
- def todict (self, exclude_types=None):
- if exclude_types is None: exclude_types=[]
- d=self.__dict__
- def exclude (k,v):
- if k.startswith('_'): return True
- if exclude_types:
- for exclude_type in exclude_types:
- if isinstance (v,exclude_type): return True
- return False
- keys=[k for (k,v) in d.items() if not exclude(k,v)]
- return dict ( [ (k,d[k]) for k in keys ] )
+ 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 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():
# 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, StringTypes) and v.lower() in ['true']:
+ v = True
+ if isinstance(v, StringTypes) 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
def save_as_xml (self):
# xxx not sure about the scope here
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)
+ xml_record = XML("<record />")
+ xml_record.parse_dict(input_dict)
return xml_record.toxml()
def dump(self, format=None, dump_parents=False, sort=False):
if format == 'text':
self.dump_text(dump_parents,sort=sort)
elif format == 'xml':
- print self.save_as_xml()
+ print(self.save_as_xml())
elif format == 'simple':
- print self.dump_simple()
+ print(self.dump_simple())
else:
- raise Exception, "Invalid format %s" % format
+ raise Exception("Invalid format %s" % format)
def dump_text(self, dump_parents=False, sort=False):
- print 40*'='
- print "RECORD"
+ print(40*'=')
+ print("RECORD")
# print remaining fields
- fields=self.fields()
+ fields = self.fields()
if sort: fields.sort()
for attrib_name in fields:
attrib = getattr(self, attrib_name)
if callable (attrib): continue
# handle gid
if attrib_name == 'gid':
- print " gid:"
- print GID(string=attrib).dump_string(8, dump_parents)
+ 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))
+ print(" %s: %s" % (attrib_name, self.date_repr(attrib_name)))
else:
- print " %s: %s" % (attrib_name, attrib)
+ print(" %s: %s" % (attrib_name, attrib))
def dump_simple(self):
return "%s"%self