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How to use from_operation method in localstack
Best Python code snippet using localstack_python
AD_adjoint.py
Source:AD_adjoint.py 
1import math23TF_UNDEF = -14TF_CONST = 05TF_ASG = 16TF_ADD = 27TF_SUB = 38TF_MUL = 49TF_EXP = 510TF_LOG = 611TF_POW = 712TF_SIN = 813TF_COS = 914#---------------------------------------------------------------------------------------#15class tape_entry:16 """Contains all data for one operation. Self representation is value."""17 def __init__(self):18 self.oc = TF_UNDEF # operation code19 self.arg1 = TF_UNDEF # First operation argument20 self.arg2 = TF_UNDEF # Second operation argument (optional)21 self.value = 0 22 self.adjoint = 02324 def __repr__(self):25 return self.__str__()2627 def __str__(self):28 return str(self.value)2930#---------------------------------------------------------------------------------------#31# Initialize tape, list of tape entries32# Either a static tape size is given (delete all "tape.append(tape_entry())" from this file)33# or currently all the tape is dynamically getting bigger without user interaction.34global vac35vac = 036tape_size = 137tape = [tape_entry() for i in range(tape_size)]38#---------------------------------------------------------------------------------------#39class TFrev:40 """Tracer Float reverse (TFrev) is the used datatype for adjoint AD mode."""41 def __init__(self, value, is_input=False, from_operation=False):42 """Creation and initialization at once."""43 if is_input == True:44 #this ist the constructor (c++)45 global vac46 tape[vac].oc = TF_CONST47 tape[vac].value = value48 vac += 149 tape.append(tape_entry())50 # this is the operator= overloading (c++)51 self.adress = vac52 self.value = value53 tape[vac].oc = TF_ASG54 tape[vac].value = value55 tape[vac].arg1 = vac - 156 vac += 157 tape.append(tape_entry())58 #return TFrev(value, False, True)5960 if from_operation == True:61 vac += 1 # this is the increment of the operation 62 tape.append(tape_entry())63 self.value = value64 self.adress = vac65 tape[vac].oc = TF_ASG66 tape[vac].value = value67 tape[vac].arg1 = vac - 168 #return self6970 def __repr__(self):71 return self.__str__()7273 def __str__(self):74 return str(tape[self.adress].value)75#---------------------------------------------------------------------------------------#76 def __add__(self, other): 77 if isinstance(other, TFrev):78 global vac79 tape[vac].oc = TF_ADD80 tape[vac].arg1 = self.adress81 tape[vac].arg2 = other.adress82 tape[vac].value = self.value + other.value8384 # every operation is treated as an assignement85 tmp = TFrev(tape[vac].value, from_operation=True)86 vac += 1 # this is the increment of the asignemnet87 tape.append(tape_entry())88 return tmp89 else:90 tape[vac].oc = TF_CONST91 tape[vac].value = other92 vac += 193 tape.append(tape_entry())94 tape[vac].oc = TF_ADD95 tape[vac].arg1 = self.adress96 tape[vac].arg2 = vac - 197 tape[vac].value = self.value + other9899 # every operation is treated as an assignement100 tmp = TFrev(tape[vac].value, from_operation=True)101 vac += 1 # this is the increment of the asignemnet102 tape.append(tape_entry())103 return tmp104 105 def __radd__(self, other):106 return self.__add__(other)107108 def __sub__(self, other):109 return self.__add__(other * -1)110111 def __rsub__(self, other):112 return (self * -1).__add__(other)113114 def __mul__(self, other):115 if isinstance(other, TFrev):116 global vac117 tape[vac].oc = TF_MUL 118 tape[vac].arg1 = self.adress 119 tape[vac].arg2 = other.adress 120 tape[vac].value = self.value * other.value121122 # every operation is treated as an assignement123 tmp = TFrev(tape[vac].value, from_operation=True)124 vac += 1 # this is the increment of the asignemnet125 tape.append(tape_entry())126 return tmp127 else:128 tape[vac].oc = TF_CONST129 tape[vac].value = other130 vac += 1131 tape.append(tape_entry())132 tape[vac].oc = TF_MUL 133 tape[vac].arg1 = self.adress 134 tape[vac].arg2 = vac - 1 135 tape[vac].value = self.value * other136137 # every operation is treated as an assignement138 tmp = TFrev(tape[vac].value, from_operation=True)139 vac += 1 # this is the increment of the asignemnet140 tape.append(tape_entry())141 return tmp142143 def __rmul__(self, other):144 return self.__mul__(other)145146 def __truediv__(self, other):147 if isinstance(other, TFrev):148 assert tape[other.adress].value != 0, "Division by zero."149 else:150 assert other != 0, "Division by zero."151 return self.__mul__(other ** (-1))152153 def __rtruediv__(self, other):154 if isinstance(self, TFrev):155 assert tape[self.adress].value != 0, "Division by zero."156 else:157 assert self != 0, "Division by zero."158 return (self ** (-1)).__mul__(other)159160 def __neg__(self):161 return self.__mul__(-1)162163 def __pow__(self, power):164 if isinstance(power, TFrev):165 global vac166 tape[vac].oc = TF_POW 167 tape[vac].arg1 = self.adress 168 tape[vac].arg2 = power.adress 169 tape[vac].value = self.value ** power.value170171 # every operation is treated as an assignement172 tmp = TFrev(tape[vac].value, from_operation=True)173 vac += 1 # this is the increment of the asignemnet174 tape.append(tape_entry())175 return tmp176 elif not isinstance(power, TFrev):177 tape[vac].oc = TF_CONST178 tape[vac].value = power179 vac += 1180 tape.append(tape_entry())181 tape[vac].oc = TF_POW182 tape[vac].arg1 = self.adress 183 tape[vac].arg2 = vac - 1 184 tape[vac].value = self.value ** power185186 # every operation is treated as an assignement187 tmp = TFrev(tape[vac].value, from_operation=True)188 vac += 1 # this is the increment of the asignemnet189 tape.append(tape_entry())190 return tmp191 # other possibility is that 2(notTF) ** TF, that operation is curr not covered192 193 def exp(self):194 if isinstance(self, TFrev):195 global vac196 tape[vac].oc = TF_EXP 197 tape[vac].arg1 = self.adress 198 tape[vac].value = math.exp(self.value) 199200 # every operation is treated as an assignement201 tmp = TFrev(tape[vac].value, from_operation=True)202 vac += 1 # this is the increment of the asignemnet203 tape.append(tape_entry())204 return tmp205 elif not isinstance(self, TFrev):206 return math.exp(self)207208 def log(self):209 if isinstance(self, TFrev):210 assert self.value > 0, "log(x <= 0) is undefined." 211 global vac212 tape[vac].oc = TF_LOG 213 tape[vac].arg1 = self.adress 214 tape[vac].value = math.log(self.value) 215216 # every operation is treated as an assignement217 tmp = TFrev(tape[vac].value, from_operation=True)218 vac += 1 # this is the increment of the asignemnet219 tape.append(tape_entry())220 return tmp221 elif not isinstance(self, TFrev):222 assert self.value > 0, "log(x <= 0) is undefined." 223 return math.log(self)224225 def sin(self):226 if isinstance(self, TFrev):227 global vac228 tape[vac].oc = TF_SIN229 tape[vac].arg1 = self.adress 230 tape[vac].value = math.sin(self.value) 231232 # every operation is treated as an assignement233 tmp = TFrev(tape[vac].value, from_operation=True)234 vac += 1 # this is the increment of the asignemnet235 tape.append(tape_entry())236 return tmp237 elif not isinstance(self, TFrev):238 return math.sin(self)239240 def cos(self):241 #return TFrev.sin(self+math.pi/2)242 if isinstance(self, TFrev):243 global vac244 tape[vac].oc = TF_COS245 tape[vac].arg1 = self.adress 246 tape[vac].value = math.cos(self.value) 247248 # every operation is treated as an assignement249 tmp = TFrev(tape[vac].value, from_operation=True)250 vac += 1 # this is the increment of the asignemnet251 tape.append(tape_entry())252 return tmp253 elif not isinstance(self, TFrev):254 return math.cos(self)255256#---------------------------------------------------------------------------------------#257def interpret_tape():258 """Loop brackward through tape and evaluate derivatives."""259 global vac260 for i in range(vac,-1,-1): # reversed array261 if tape[i].oc == TF_ASG:262 tape[tape[i].arg1].adjoint += tape[i].adjoint263264 elif tape[i].oc == TF_ADD:265 tape[tape[i].arg1].adjoint += tape[i].adjoint266 tape[tape[i].arg2].adjoint += tape[i].adjoint267268 elif tape[i].oc == TF_SUB: # everything is currently piped to ADD269 tape[tape[i].arg1].adjoint += tape[i].adjoint270 tape[tape[i].arg2].adjoint -= tape[i].adjoint271272 elif tape[i].oc == TF_MUL:273 tape[tape[i].arg1].adjoint += tape[tape[i].arg2].value * tape[i].adjoint274 tape[tape[i].arg2].adjoint += tape[tape[i].arg1].value * tape[i].adjoint275 276 elif tape[i].oc == TF_POW: # fails if tape[tape[i].arg1].value is negative277 tape[tape[i].arg1].adjoint += tape[tape[i].arg2].value * tape[tape[i].arg1].value ** (tape[tape[i].arg2].value-1) * tape[i].adjoint278 tape[tape[i].arg2].adjoint += tape[tape[i].arg1].value ** tape[tape[i].arg2].value * math.log(tape[tape[i].arg1].value) * tape[i].adjoint279280 elif tape[i].oc == TF_EXP:281 tape[tape[i].arg1].adjoint += math.exp(tape[tape[i].arg1].value) * tape[i].adjoint282283 elif tape[i].oc == TF_LOG:284 tape[tape[i].arg1].adjoint += 1/tape[tape[i].arg1].value * tape[i].adjoint285286 elif tape[i].oc == TF_SIN:287 tape[tape[i].arg1].adjoint += math.cos(tape[tape[i].arg1].value) * tape[i].adjoint288289 elif tape[i].oc == TF_COS:290 tape[tape[i].arg1].adjoint += -math.sin(tape[tape[i].arg1].value) * tape[i].adjoint291292def reset_tape(): 293 """Resets complete tape to default values."""294 global vac295 vac = 0296 global tape_size297 global tape298 tape = [tape_entry() for i in range(tape_size)]299300def get_gradient(input, output=None):301 """Reads the derivatives of an input vector (of TFrev) from interpreted tape.302 Sets seed at output if given, otherwise last tape entry is taken.303 Output needs to be a scalar TFrev."""304 if output==None:305 tape[vac-1].adjoint = 1306 else:307 assert isinstance(output, TFrev), "Only scalar objective Func is allowed for reverse AD-sweep."308 tape[output.adress].adjoint = 1309 interpret_tape()310 gradient = [tape[input_val.adress].adjoint for input_val in input]311 return gradient312313def print_tape():314 """Prints tape in the current state."""315 print("tape:")316 global vac317 for i in range(vac):318 print(i, ": [ ", tape[i].oc, ", ", tape[i].arg1, ", ", tape[i].arg2, ", ", tape[i].value, ", ", tape[i].adjoint, " ]" )319#---------------------------------------------------------------------------------------#320if __name__ == '__main__':
...
tests.py
Source:tests.py
1from random import randrange2from django.test import TestCase3from django_advanced_wallet.models import Wallet4from django_advanced_wallet.errors import NegativeAmount, InsufficentBalance5from decimal import Decimal6from .models import Account, RelatedObject7class TestWalletRelation(TestCase):8 DEPOSIT_VALUES = list(sorted([randrange(100 * i, 200 * i) / 100 for i in range(1, 1000)]))9 def test_object_creation(self):10 obj = Account.objects.create()11 self.assertIsInstance(obj.wallet, Wallet)12 def test_deposit(self):13 obj = Account.objects.create()14 for value in self.DEPOSIT_VALUES:15 value = Wallet.normalize_amount(Decimal(value))16 self.assertEqual(obj.wallet.deposit(value).value, value)17 def test_deposit_with_related_object(self):18 obj = Account.objects.create()19 related_obj = RelatedObject.objects.create(name="test")20 for value in self.DEPOSIT_VALUES:21 value = Wallet.normalize_amount(Decimal(value))22 operation = obj.wallet.deposit(value, related_object=related_obj)23 self.assertEqual(operation.value, value)24 self.assertEqual(operation.content_object, related_obj)25 def test_negative_operation(self):26 obj = Account.objects.create()27 related_obj = RelatedObject.objects.create(name="test")28 with self.assertRaises(NegativeAmount):29 obj.wallet.withdraw(Decimal(-100))30 def test_insuffiecient_operation(self):31 obj = Account.objects.create()32 with self.assertRaises(InsufficentBalance):33 obj.wallet.withdraw(Decimal(100))34 def test_withdraw(self):35 obj = Account.objects.create()36 fund_200 = Wallet.normalize_amount(Decimal(200))37 fund_100 = Wallet.normalize_amount(Decimal(100))38 fund_0 = Wallet.normalize_amount(Decimal(0))39 obj.wallet.deposit(fund_200)40 self.assertEqual(obj.wallet.withdraw(fund_100).value, fund_100)41 self.assertEqual(obj.wallet.withdraw(fund_100).previous_value, fund_100)42 self.assertEqual(obj.wallet.balance, fund_0)43 with self.assertRaises(InsufficentBalance):44 obj.wallet.withdraw(fund_100)45 def test_withdraw_with_related_object(self):46 obj = Account.objects.create()47 related_obj = RelatedObject.objects.create(name="test")48 for value in self.DEPOSIT_VALUES:49 decimal_value = Wallet.normalize_amount(Decimal(value))50 obj.wallet.deposit(decimal_value)51 operation = obj.wallet.withdraw(decimal_value, related_object=related_obj)52 obj.refresh_from_db()53 self.assertEqual(operation.value, decimal_value)54 self.assertEqual(operation.content_object, related_obj)55 self.assertEqual(obj.wallet.previous_balance, operation.previous_value)56 def test_transfer(self):57 from_account = Account.objects.create()58 to_account = Account.objects.create()59 for value in self.DEPOSIT_VALUES:60 decimal_value = Wallet.normalize_amount(Decimal(value))61 zero_value = Wallet.normalize_amount(Decimal(0))62 from_account.wallet.deposit(decimal_value)63 from_account.refresh_from_db()64 self.assertEqual(from_account.wallet.balance, decimal_value)65 from_operation, to_operation = from_account.wallet.transfer(66 to_wallet=to_account.wallet,67 amount=decimal_value68 )69 self.assertEqual(from_operation.value, decimal_value)70 self.assertEqual(to_operation.value, decimal_value)71 self.assertEqual(from_operation.wallet.balance, zero_value)72 self.assertEqual(to_operation.wallet.balance, decimal_value)73 self.assertEqual(from_operation.operation_type, from_operation.OperationType.TRANSFER_ORIGIN)74 self.assertEqual(to_operation.operation_type, to_operation.OperationType.TRANSFER_DESTINATION)75 to_operation.wallet.withdraw(decimal_value)76 def test_operation_cancel(self):77 account = Account.objects.create()78 fund_0 = Wallet.normalize_amount(Decimal(0))79 fund_1000 = Wallet.normalize_amount(Decimal(1000))80 operation = account.wallet.deposit(81 fund_100082 )83 self.assertEqual(account.wallet.balance, fund_1000)84 cancel_operation = operation.cancel_operation()85 account.refresh_from_db()86 self.assertEqual(cancel_operation.operation_type, cancel_operation.OperationType.WITHDRAW)87 self.assertEqual(account.wallet.balance, fund_0)88 for value in self.DEPOSIT_VALUES:89 decimal_value = Wallet.normalize_amount(Decimal(value))90 operation = account.wallet.deposit(decimal_value)91 self.assertEqual(account.wallet.balance, decimal_value)92 operation.cancel_operation()93 account.refresh_from_db()94 self.assertEqual(account.wallet.balance, fund_0)95 def test_force_withdraw(self):96 account = Account.objects.create()97 fund_0 = Wallet.normalize_amount(Decimal(0))98 fund_1000 = Wallet.normalize_amount(Decimal(1000))99 account.wallet.deposit(100 fund_1000101 )102 self.assertEqual(account.wallet.balance, fund_1000)103 account.wallet.withdraw(fund_1000)104 self.assertEqual(account.wallet.balance, fund_0)105 with self.assertRaises(InsufficentBalance):106 account.wallet.withdraw(fund_1000)107 account.wallet.withdraw(fund_1000, force_withdraw=True)...
Converter_Expression.py
Source:Converter_Expression.py
1class Converter_Expression:2 def __init__(self, expression, from_operation, to_operation):3 """4 Konstruktor5 :param expression:6 :param from_operation:7 :param to_operation:8 """9 self.expression = expression10 self.from_operation = from_operation11 self.to_operation = to_operation12 def translate_expression(self):13 """14 Funkcja odpowiedzialna za przeksztaÅcanie wyrażenia.15 :return:16 """17 try:18 if self.from_operation != self.to_operation:19 if self.from_operation == "16":20 if self.to_operation == "10":21 self.expression = str(int(self.expression, int(self.from_operation)))22 elif self.to_operation == "8":23 self.expression = int(self.expression, int(self.from_operation))24 self.expression = oct(self.expression)25 elif self.to_operation == "2":26 self.expression = int(self.expression, int(self.from_operation))27 self.expression = bin(self.expression)28 elif self.from_operation == "10":29 self.expression = int(self.expression)30 if self.to_operation == "16":31 self.expression = hex(self.expression)32 elif self.to_operation == "8":33 self.expression = oct(self.expression)34 elif self.to_operation == "2":35 self.expression = bin(self.expression)36 self.expression = str(self.expression)37 elif self.from_operation == "8":38 if self.to_operation == "10":39 self.expression = str(int(self.expression, int(self.from_operation)))40 elif self.to_operation == "16":41 self.expression = int(self.expression, int(self.from_operation))42 self.expression = hex(self.expression)43 elif self.to_operation == "2":44 self.expression = int(self.expression, int(self.from_operation))45 self.expression = bin(self.expression)46 elif self.from_operation == "2":47 if self.to_operation == "10":48 self.expression = str(int(self.expression, int(self.from_operation)))49 elif self.to_operation == "16":50 self.expression = int(self.expression, int(self.from_operation))51 self.expression = hex(self.expression)52 elif self.to_operation == "8":53 self.expression = int(self.expression, int(self.from_operation))54 self.expression = oct(self.expression)55 if self.to_operation == "16":56 self.expression = self.expression.replace("0x", "", 1)57 elif self.to_operation == "8":58 self.expression = self.expression.replace("0o", "", 1)59 elif self.to_operation == "2":60 self.expression = self.expression.replace("0b", "", 1)61 self.expression = self.expression.upper()62 except:63 "ERROR"64 def update(self, expression, from_operation, to_operation):65 """66 Funkcja odpowiedzialna za aktualizacjÄ wyrażenia.67 :param expression:68 :param from_operation:69 :param to_operation:70 :return:71 """72 self.expression = expression73 self.from_operation = from_operation74 self.to_operation = to_operation75 def get_expression(self):76 """77 Funkcja zwracajÄ
ca przeksztaÅcone wyrażenie.78 :return:79 """...
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