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Add __repr__ and _print to CDSTranche #236

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Add __repr__ and _print to CDSTranche #236

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29 changes: 27 additions & 2 deletions financepy/products/credit/cds_tranche.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@
# Copyright (C) 2018, 2019, 2020 Dominic O'Kane
##############################################################################

# TODO: Add __repr__ method

from math import sqrt
from enum import Enum
Expand All @@ -27,7 +26,7 @@
from ...market.curves.interpolator import InterpTypes, interpolate
from ...utils.error import FinError

from ...utils.helpers import check_argument_types
from ...utils.helpers import check_argument_types, label_to_string
from ...utils.date import Date

########################################################################################
Expand Down Expand Up @@ -288,3 +287,29 @@ def value_bc(


########################################################################################

def __repr__(self):
"""Print out details of the CDSTranche contract."""
s = label_to_string("OBJECT TYPE", type(self).__name__)
s += label_to_string("STEP-IN DATE", self.step_in_dt)
s += label_to_string("MATURITY DATE", self.maturity_dt)
s += label_to_string("ATTACHMENT POINT (K1)", self.k1)
s += label_to_string("DETACHMENT POINT (K2)", self.k2)
s += label_to_string("NOTIONAL", self.notional)
s += label_to_string("RUNNING COUPON", self.running_cpn * 10000, "bp\n")
s += label_to_string("LONG PROTECTION", self.long_protect)
s += label_to_string("FREQUENCY", self.freq_type)
s += label_to_string("DAYCOUNT", self.dc_type)
s += label_to_string("CALENDAR", self.cal_type)
s += label_to_string("BUSDAYRULE", self.bd_type)
s += label_to_string("DATEGENRULE", self.dg_type)
return s

####################################################################################

def _print(self):
"""Simple print function for backward compatibility."""
print(self)


########################################################################################
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