X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfa%2Fstorage%2Frecord.py;h=ac391a177e7bfec2048a7d8d78126bad772f1b85;hb=4a9e6751f9f396f463932133b9d62fc925a99ef6;hp=1aa3aa97ad62680288b155069502e8b569b7f4d1;hpb=30b26f8f644e2c99673d15c96f2722b746f6fbe2;p=sfa.git diff --git a/sfa/storage/record.py b/sfa/storage/record.py index 1aa3aa97..ac391a17 100644 --- a/sfa/storage/record.py +++ b/sfa/storage/record.py @@ -1,19 +1,23 @@ + + 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 +from sfa.util.py23 import StringType + + 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) @@ -22,52 +26,57 @@ class Record: # 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 **" - - # it may be important to exclude relationships - def todict (self, 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 - if isinstance (v,list) and v and isinstance (v[0],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 ] ) - + + # + # 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, StringType) and v.lower() in ['true']: + v = True + if isinstance(v, StringType) 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 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.fields() if getattr(self,key,None) ] ) - xml_record=XML("") - 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("") + xml_record.parse_dict(input_dict) return xml_record.toxml() def dump(self, format=None, dump_parents=False, sort=False): @@ -76,34 +85,37 @@ class Record: else: format = format.lower() if format == 'text': - self.dump_text(dump_parents,sort=sort) + 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() - if sort: fields.sort() + fields = self.fields() + if sort: + fields.sort() for attrib_name in fields: attrib = getattr(self, attrib_name) # skip internals - if attrib_name.startswith('_'): continue + if attrib_name.startswith('_'): + continue # skip callables - if callable (attrib): continue - # handle gid + 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 + return "%s" % self