bardo-copyright-db/model/renewal.py

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import uuid
from sqlalchemy import (
Column,
Date,
ForeignKey,
Integer,
String,
Unicode,
Boolean,
Table
)
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship, backref
from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy.orm.exc import NoResultFound
from model.core import Base, Core
from model.renClaimant import RenClaimant
RENEWAL_REG = Table(
'renewal_registration',
Base.metadata,
Column('renewal_id', Integer, ForeignKey('renewal.id'), index=True),
Column('registration_id', Integer, ForeignKey('registration.id'), index=True)
)
class Renewal(Core, Base):
__tablename__ = 'renewal'
id = Column(Integer, primary_key=True)
uuid = Column(UUID(as_uuid=True), unique=False, nullable=False, index=True)
volume = Column(Integer)
part = Column(Unicode)
number = Column(Integer)
page = Column(Integer)
author = Column(Unicode)
title = Column(Unicode, index=True)
reg_data = Column(Unicode)
renewal_num = Column(Unicode)
renewal_date = Column(Date)
renewal_date_text = Column(Unicode)
new_matter = Column(Unicode)
see_also_regs = Column(Unicode)
see_also_rens = Column(Unicode)
notes = Column(Unicode)
source = Column(Unicode)
orphan = Column(Boolean, default=False)
registrations = relationship(
'Registration',
secondary=RENEWAL_REG,
backref='renewals'
)
def __repr__(self):
return '<CCR(regs={}, uuid={}, title={})>'.format(self.registrations, self.uuid, self.title)
def addClaimants(self, claimants):
if claimants:
for claim in claimants.split('||'):
cParts = claim.split('|')
self.claimants.append(
RenClaimant(name=cParts[0], claimant_type=cParts[1])
)
def updateClaimants(self, claimants):
addClaims = [
claim.split('|') for claim in claimants.split('||')
]
existingClaims = [
c for c in self.claimants
if c.name in [ a[0] for a in addClaims ]
]
newClaims = [
c for c in addClaims
if c[0] not in [ e.name for e in existingClaims ]
and c[0] != ''
]
self.claimants = existingClaims + [
RenClaimant(
name=claim[0],
claimant_type=claim[1]
)
for claim in newClaims
]