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from flask.ext.sqlalchemy import SQLAlchemy
from flask_wtf import Form
from flask_wtf.file import FileField
from sqlalchemy.dialects.postgresql import ENUM, OID
from sqlalchemy.types import TypeDecorator, LargeBinary
from wtforms import SelectField
from wtforms.validators import Length
from wtforms_alchemy import model_form_factory
from sqlalchemy_utils import EmailType, PhoneNumberType
import datetime
db = SQLAlchemy()
class MyBinary(TypeDecorator):
impl = LargeBinary
def process_bind_param(self, value, dialect):
return value.stream.getbuffer()
class Counterparties(db.Model):
__tablename__ = 'counterparties'
code = db.Column(db.String(12), primary_key=True)
name = db.Column(db.String)
city = db.Column(db.String)
state = db.Column(db.String(2))
dtc_number = db.Column(db.Integer)
sales_contact = db.Column(db.String)
sales_email = db.Column(EmailType)
sales_phone = db.Column(PhoneNumberType())
valuation_contact1 = db.Column(db.String)
valuation_email1 = db.Column(EmailType)
valuation_contact2 = db.Column(db.String)
valuation_email2 = db.Column(EmailType)
valuation_contact3 = db.Column(db.String)
valuation_email3 = db.Column(EmailType)
valuation_contact4 = db.Column(db.String)
valuation_email4 = db.Column(EmailType)
notes = db.Column(db.String)
instructions = db.Column(db.String, info={'form_field_class': FileField})
BOND_STRAT = ENUM('M_STR_MAV', 'M_STR_MEZZ', 'CSO_TRANCH',
'M_CLO_BB20', 'M_CLO_AAA', 'M_CLO_BBB', 'M_MTG_IO', 'M_MTG_THRU',
'M_MTG_GOOD', 'M_MTG_B4PR', 'M_MTG_RW', name='bond_strat')
ASSET_CLASS = ENUM('CSO', 'Subprime', 'CLO', 'Tranches', 'Futures', 'Cash', 'FX', 'Cleared',
name='asset_class')
ACTION = ENUM('NEW', 'UPDATE', 'CANCEL', name='action')
def myticket(ctx):
return "{0}.{1}".format(ctx.current_parameters['dealid'],
str(datetime.datetime.now()))
class BondDeal(db.Model):
__tablename__ = 'bonds'
id = db.Column('id', db.Integer, primary_key=True)
dealid = db.Column(db.String(28))
lastupdate = db.Column(db.DateTime, server_default=db.func.now(), onupdate=db.func.now())
action = db.Column(ACTION)
folder = db.Column(BOND_STRAT, nullable=False)
custodian = db.Column(db.String(12), default='BAC', nullable=False)
cashaccount = db.Column(db.String(10), default='V0NSCLMAMB', nullable=False)
cp_code = db.Column(db.String(12), db.ForeignKey('counterparties.code'),
info={'choices': [(None, None)],
'label': 'counterparty'}, nullable = False)
trade_date = db.Column(db.Date, nullable = False)
settle_date = db.Column(db.Date, nullable = False)
cusip = db.Column(db.String(9), info={'validators': Length(9,9),
'filters': [lambda x: x or None]})
isin = db.Column(db.String(12), info={'validators': Length(12, 12),
'filters': [lambda x: x or None]})
description = db.Column(db.String(32), nullable=False)
buysell = db.Column(db.Boolean, nullable = False, info={'choices':[(0, 'sell'), (1, 'buy')],
'filters': [lambda x: x=='1']})
faceamount = db.Column(db.Float, nullable=False)
price = db.Column(db.Float, nullable=False)
accrued = db.Column(db.Float, nullable = False)
asset_class = db.Column(ASSET_CLASS)
ticket = db.Column(db.String, info={'form_field_class': FileField})
counterparty = db.relationship(Counterparties)
__table_args__= (db.CheckConstraint('cusip is not Null or isin is not Null'),)
BaseModelForm = model_form_factory(Form)
class ModelForm(BaseModelForm):
@classmethod
def get_session(self):
return db.session
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