Source code for bob.db.atvskeystroke.models

#!/usr/bin/env python
# vim: set fileencoding=utf-8 :

"""Table models and functionality for the ATVSKeystroke database.

import os
import numpy

import bob.db.base

from sqlalchemy import Table, Column, Integer, String, ForeignKey
from sqlalchemy import or_, and_, not_

from bob.db.base.sqlalchemy_migration import Enum, relationship
from sqlalchemy.orm import backref
from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()

protocolPurpose_file_association = Table('protocolPurpose_file_association', Base.metadata,
  Column('protocolPurpose_id', Integer, ForeignKey('')),
  Column('file_id',  Integer, ForeignKey('')))

db_file_extension = '.txt'

[docs]class Client(Base): """Database clients, marked by an integer identifier and the group they belong to""" __tablename__ = 'client' # Key identifier for the client id = Column(String(100), primary_key=True) subid = Column(Integer) type_choices = ('Genuine', 'Impostor') stype = Column(Enum(*type_choices)) # do NOT use type def __init__(self, id, stype, subid): = id self.stype = stype self.subid = subid def __repr__(self): return "Client(`%s`, `%s`)" % (, self.stype)
[docs]class File(Base, bob.db.base.File): """Generic file container""" __tablename__ = 'file' # Key identifier for the file id = Column(Integer, primary_key=True) # Key identifier of the client associated with this file client_id = Column(String(100), ForeignKey('')) # for SQL # Unique path to this file inside the database path = Column(String(100), unique=True) # Session identifier session_id = Column(Integer) # Shot identifier shot_id = Column(Integer) # For Python: A direct link to the client object that this file belongs to client = relationship("Client", backref=backref("files", order_by=id)) def __init__(self, client_id, path, session_id, shot_id): self.session_id = session_id self.shot_id = shot_id
[docs]class Protocol(Base): """ATVS Keystroke protocols""" __tablename__ = 'protocol' # Unique identifier for this protocol object id = Column(Integer, primary_key=True) # Name of the protocol associated with this object name = Column(String(20), unique=True) def __init__(self, name): = name def __repr__(self): return "Protocol('%s')" % (,)
[docs]class ProtocolPurpose(Base): """ATVS Keystroke protocol purposes""" __tablename__ = 'protocolPurpose' # Unique identifier for this protocol purpose object id = Column(Integer, primary_key=True) # Id of the protocol associated with this protocol purpose object protocol_id = Column(Integer, ForeignKey('')) # for SQL # Group associated with this protocol purpose object group_choices = ('eval',) sgroup = Column(Enum(*group_choices)) # Purpose associated with this protocol purpose object purpose_choices = ('enrol', 'probe') purpose = Column(Enum(*purpose_choices)) # For Python: A direct link to the Protocol object that this ProtocolPurpose belongs to protocol = relationship("Protocol", backref=backref("purposes", order_by=id)) # For Python: A direct link to the File objects associated with this ProtcolPurpose files = relationship("File", secondary=protocolPurpose_file_association, backref=backref("protocolPurposes", order_by=id)) def __init__(self, protocol_id, sgroup, purpose): self.protocol_id = protocol_id self.sgroup = sgroup self.purpose = purpose def __repr__(self): return "ProtocolPurpose('%s', '%s', '%s')" % (, self.sgroup, self.purpose)