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tmp.log
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[Vython AST]
Tree(Token('RULE', 'file_input'), [Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'hasher1')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 's')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'if_stmt'), [Tree(Token('RULE', 'comparison'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 's')])]), Tree(Token('RULE', 'comp_op'), [Token('__ANON_19', '==')]), Tree(Token('RULE', 'string'), [Token('STRING', '"document"')])]), Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree(Token('RULE', 'number'), [Token('DEC_NUMBER', '8429038')])])]), Tree(Token('RULE', 'elifs'), []), Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree(Token('RULE', 'factor'), [Token('MINUS', '-'), Tree(Token('RULE', 'number'), [Token('DEC_NUMBER', '1')])])])])])])]), Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'hasher2')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 's')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'if_stmt'), [Tree(Token('RULE', 'comparison'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 's')])]), Tree(Token('RULE', 'comp_op'), [Token('__ANON_19', '==')]), Tree(Token('RULE', 'string'), [Token('STRING', '"document"')])]), Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree(Token('RULE', 'number'), [Token('DEC_NUMBER', '5405432')])])]), Tree(Token('RULE', 'elifs'), []), Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree(Token('RULE', 'factor'), [Token('MINUS', '-'), Tree(Token('RULE', 'number'), [Token('DEC_NUMBER', '1')])])])])])])]), Tree(Token('RULE', 'classdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'Encryption')]), Tree(Token('RULE', 'version'), [Token('__ANON_25', '1')]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', '__init__')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 'self')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'pass_stmt'), [])])]), Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'hash')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 'self')]), Tree(Token('RULE', 'name'), [Token('NAME', 's')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree('funccall', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'hasher1')])]), Tree(Token('RULE', 'arguments'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 's')])])])])])])])])]), Tree(Token('RULE', 'classdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'Encryption')]), Tree(Token('RULE', 'version'), [Token('__ANON_25', '2')]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', '__init__')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 'self')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'pass_stmt'), [])])]), Tree(Token('RULE', 'funcdef'), [Tree(Token('RULE', 'name'), [Token('NAME', 'hash')]), Tree(Token('RULE', 'parameters'), [Tree(Token('RULE', 'name'), [Token('NAME', 'self')]), Tree(Token('RULE', 'name'), [Token('NAME', 's')]), None, None]), None, Tree(Token('RULE', 'suite'), [Tree(Token('RULE', 'return_stmt'), [Tree('funccall', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'hasher2')])]), Tree(Token('RULE', 'arguments'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 's')])])])])])])])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'file_name')])]), Tree(Token('RULE', 'string'), [Token('STRING', '"document"')])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'e_v1')])]), Tree('funccallwithversion', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'Encryption')])]), Tree(Token('RULE', 'version'), [Token('__ANON_25', '1')]), None])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'encrypted_file_name')])]), Tree('funccall', [Tree('getattr', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'e_v1')])]), Tree(Token('RULE', 'name'), [Token('NAME', 'hash')])]), Tree(Token('RULE', 'arguments'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'file_name')])])])])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'target_file_name')])]), Tree(Token('RULE', 'string'), [Token('STRING', '"document"')])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'e_v2')])]), Tree('funccallwithversion', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'Encryption')])]), Tree(Token('RULE', 'version'), [Token('__ANON_25', '2')]), None])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'encrypted_target_file_name')])]), Tree('funccall', [Tree('getattr', [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'e_v2')])]), Tree(Token('RULE', 'name'), [Token('NAME', 'hash')])]), Tree(Token('RULE', 'arguments'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'target_file_name')])])])])])]), Tree(Token('RULE', 'assign_stmt'), [Tree(Token('RULE', 'assign'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'result')])]), Tree(Token('RULE', 'comparison'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'encrypted_file_name')])]), Tree(Token('RULE', 'comp_op'), [Token('__ANON_19', '==')]), Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'encrypted_target_file_name')])])])])]), Tree(Token('RULE', 'expr_stmt'), [Tree('var', [Tree(Token('RULE', 'name'), [Token('NAME', 'result')])])])])
[Python AST]
Module(
[
FunctionDef(
'hasher1',
arguments(
[],
[
arg('s')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
If(
Compare(
Name('s', Load()),
[
Eq()],
[
Constant('"document"')]),
[
Return(
Constant(8429038.0))],
[
Return(
UnaryOp(
USub(),
Constant(1.0)))])],
[],
type_params=[]),
FunctionDef(
'hasher2',
arguments(
[],
[
arg('s')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
If(
Compare(
Name('s', Load()),
[
Eq()],
[
Constant('"document"')]),
[
Return(
Constant(5405432.0))],
[
Return(
UnaryOp(
USub(),
Constant(1.0)))])],
[],
type_params=[]),
ClassDef(
'Encryption_v_1',
[],
[],
[
FunctionDef(
'__init__',
arguments(
[],
[
arg('self')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
Pass()],
[],
type_params=[]),
FunctionDef(
'hash',
arguments(
[],
[
arg('self'),
arg('s')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
Return(
Call(
Name('hasher1', Load()),
[
[
Name('s', Load())]],
[]))],
[],
type_params=[])],
[],
[]),
ClassDef(
'Encryption_v_2',
[],
[],
[
FunctionDef(
'__init__',
arguments(
[],
[
arg('self')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
Pass()],
[],
type_params=[]),
FunctionDef(
'hash',
arguments(
[],
[
arg('self'),
arg('s')],
kwonlyargs=[],
kw_defaults=[],
defaults=[]),
[
Return(
Call(
Name('hasher2', Load()),
[
[
Name('s', Load())]],
[]))],
[],
type_params=[])],
[],
[]),
Assign(
[
Name('file_name', Load())],
Constant('"document"')),
Assign(
[
Name('e_v1', Load())],
Call(
Name('Encryption_v_1', Load()),
[],
[])),
Assign(
[
Name('encrypted_file_name', Load())],
Call(
Attribute(
Name('e_v1', Load()),
'hash'),
[
[
Name('file_name', Load())]],
[])),
Assign(
[
Name('target_file_name', Load())],
Constant('"document"')),
Assign(
[
Name('e_v2', Load())],
Call(
Name('Encryption_v_2', Load()),
[],
[])),
Assign(
[
Name('encrypted_target_file_name', Load())],
Call(
Attribute(
Name('e_v2', Load()),
'hash'),
[
[
Name('target_file_name', Load())]],
[])),
Assign(
[
Name('result', Load())],
Compare(
Name('encrypted_file_name', Load()),
[
Eq()],
[
Name('encrypted_target_file_name', Load())])),
Expr(
Name('result', Load()))],
[])
[Unparse Python AST]
def hasher1(s):
if s == '"document"':
return 8429038.0
else:
return -1.0
def hasher2(s):
if s == '"document"':
return 5405432.0
else:
return -1.0
class Encryption_v_1:
def __init__(self):
pass
def hash(self, s):
return hasher1(s)
class Encryption_v_2:
def __init__(self):
pass
def hash(self, s):
return hasher2(s)
file_name = '"document"'
e_v1 = Encryption_v_1()
encrypted_file_name = e_v1.hash(file_name)
target_file_name = '"document"'
e_v2 = Encryption_v_2()
encrypted_target_file_name = e_v2.hash(target_file_name)
result = encrypted_file_name == encrypted_target_file_name
result