record_id = Column (Integer, primary_key=True)
# this is the discriminator that tells which class to use
classtype = Column (String)
+ # in a first version type was the discriminator
+ # but that could not accomodate for 'authority+sa' and the like
type = Column (String)
hrn = Column (String)
gid = Column (String)
if dict: self.load_from_dict (dict)
def __repr__(self):
- result="[Record id=%s, type=%s, hrn=%s, authority=%s, pointer=%s" % \
+ result="<Record id=%s, type=%s, hrn=%s, authority=%s, pointer=%s" % \
(self.record_id, self.type, self.hrn, self.authority, self.pointer)
# skip the uniform '--- BEGIN CERTIFICATE --' stuff
if self.gid: result+=" gid=%s..."%self.gid[28:36]
else: result+=" nogid"
- result += "]"
+ result += ">"
return result
@validates ('gid')
self.last_updated=now
##############################
+# all subclasses define a convenience constructor with a default value for type,
+# and when applicable a way to define local fields in a kwd=value argument
+####################
class RegAuthority (RegRecord):
__tablename__ = 'authorities'
__mapper_args__ = { 'polymorphic_identity' : 'authority' }
record_id = Column (Integer, ForeignKey ("records.record_id"), primary_key=True)
+ def __init__ (self, **kwds):
+ # fill in type if not previously set
+ if 'type' not in kwds: kwds['type']='authority'
+ # base class constructor
+ RegRecord.__init__(self, **kwds)
+
# no proper data yet, just hack the typename
def __repr__ (self):
return RegRecord.__repr__(self).replace("Record","Authority")
-##############################
+####################
class RegSlice (RegRecord):
__tablename__ = 'slices'
__mapper_args__ = { 'polymorphic_identity' : 'slice' }
record_id = Column (Integer, ForeignKey ("records.record_id"), primary_key=True)
+ def __init__ (self, **kwds):
+ if 'type' not in kwds: kwds['type']='slice'
+ RegRecord.__init__(self, **kwds)
+
def __repr__ (self):
return RegRecord.__repr__(self).replace("Record","Slice")
-##############################
+####################
class RegNode (RegRecord):
__tablename__ = 'nodes'
__mapper_args__ = { 'polymorphic_identity' : 'node' }
record_id = Column (Integer, ForeignKey ("records.record_id"), primary_key=True)
+ def __init__ (self, **kwds):
+ if 'type' not in kwds: kwds['type']='node'
+ RegRecord.__init__(self, **kwds)
+
def __repr__ (self):
return RegRecord.__repr__(self).replace("Record","Node")
-##############################
+####################
class RegUser (RegRecord):
__tablename__ = 'users'
# these objects will have type='user' in the records table
__mapper_args__ = { 'polymorphic_identity' : 'user' }
record_id = Column (Integer, ForeignKey ("records.record_id"), primary_key=True)
email = Column ('email', String)
- keys = relationship ('RegKey', backref='user')
+ # can't use name 'keys' here because when loading from xml we're getting
+ # a 'keys' tag, and assigning a list of strings in a reference column like this crashes
+ reg_keys = relationship ('RegKey', backref='reg_user',
+ cascade="all, delete, delete-orphan")
+ # so we can use RegUser (email=.., hrn=..) and the like
def __init__ (self, **kwds):
# handle local settings
if 'email' in kwds: self.email=kwds.pop('email')
- # fill in type if not previously set
if 'type' not in kwds: kwds['type']='user'
RegRecord.__init__(self, **kwds)
# append stuff at the end of the record __repr__
def __repr__ (self):
result = RegRecord.__repr__(self).replace("Record","User")
- result.replace ("]"," email=%s"%self.email)
- result += "]"
+ result.replace (">"," email=%s"%self.email)
+ result += ">"
return result
-
+
@validates('email')
def validate_email(self, key, address):
assert '@' in address
return address
+ # xxx this might be temporary
+ def normalize_xml (self):
+ if hasattr(self,'keys'): self.reg_keys = [ RegKey (key) for key in self.keys ]
+
####################
# xxx tocheck : not sure about eager loading of this one
# meaning, when querying the whole records, we expect there should
# be a single query to fetch all the keys
+# or, is it enough that we issue a single query to retrieve all the keys
class RegKey (Base):
__tablename__ = 'keys'
key_id = Column (Integer, primary_key=True)
if pointer: self.pointer=pointer
def __repr__ (self):
- result="[key key=%s..."%self.key[8:16]
- try: result += " user=%s"%self.user.record_id
- except: result += " <orphan>"
- result += "]"
+ result="<key id=%s key=%s..."%(self.key_id,self.key[8:16],)
+ try: result += " user=%s"%self.reg_user.record_id
+ except: result += " no-user"
+ result += ">"
return result
##############################
-# although the db needs of course to be reachable,
+# although the db needs of course to be reachable for the following functions
# the schema management functions are here and not in alchemy
# because the actual details of the classes need to be known
# migrations: this code has no notion of the previous versions
xml_dict = xml_record.todict()
logger.info("load from xml, keys=%s"%xml_dict.keys())
return make_record_dict (xml_dict)
+