VykosX
217b995d7b
Tons of new nodes and functionality implemented, lots of bugs fixed. Should be mostly stable-ish now.
676 lines
19 KiB
Python
676 lines
19 KiB
Python
import ast
|
|
import operator
|
|
import math
|
|
import random
|
|
import fnmatch
|
|
import os
|
|
|
|
DEBUG_MODE = True #Enable this flag to get all sorts of useful debug information in the console from most of the nodes in this pack.
|
|
|
|
# HELPER FUNCTIONS
|
|
#******************
|
|
'''
|
|
FUNCTION NAME: cbool
|
|
PURPOSE: Converts values to Boolean
|
|
PARAMETERS:
|
|
- value (Any): The value to convert
|
|
RETURNS: True or False based on whether value can be interpreted as a Boolean
|
|
'''
|
|
|
|
def debug_print(*args,end=" "):
|
|
if DEBUG_MODE:
|
|
print(end.join(map(str, args)),sep="")
|
|
|
|
|
|
def cbool(value):
|
|
if str(value).lower() in ("yes", "y", "true", "t", "1"):
|
|
return True
|
|
if str(value).lower() in ("no", "n", "false", "f", "0", "0.0", "", "none", "[]", "{}"):
|
|
return False
|
|
raise Exception('Invalid value for boolean conversion:', value)
|
|
|
|
'''
|
|
FUNCTION NAME: cint
|
|
PURPOSE: Converts values to Integer
|
|
PARAMETERS:
|
|
- value (Any): The value to convert
|
|
RETURNS: An integer rounded to the nearest even number
|
|
'''
|
|
def cint(value):
|
|
|
|
if value == "":
|
|
return 0
|
|
|
|
d = 0 #How many decimals to round to. For integers this is always 0
|
|
try:
|
|
value=float(value)
|
|
except:
|
|
try:
|
|
value = len(value)
|
|
if l == 0:
|
|
return 0
|
|
except:
|
|
raise Exception('Invalid value for integer conversion:',value)
|
|
|
|
p = 10 ** d
|
|
|
|
if value > 0:
|
|
z = float(math.floor((value * p) + 0.5))/p
|
|
else:
|
|
z = float(math.ceil((value * p) - 0.5))/p
|
|
|
|
return int(z)
|
|
|
|
def is_list(x):
|
|
|
|
if type(x) is str:
|
|
return False
|
|
|
|
try:
|
|
iter(x)
|
|
return True
|
|
|
|
except TypeError:
|
|
return False
|
|
|
|
def search_folder(folder_path, pattern, recursive, full_path, include_directories,relative_filenames):
|
|
|
|
if relative_filenames == True:
|
|
relative_filenames = folder_path
|
|
elif relative_filenames == False:
|
|
relative_filenames = ""
|
|
|
|
entries = os.scandir(folder_path)
|
|
|
|
try:
|
|
for entry in entries:
|
|
if fnmatch.fnmatch(entry.name, pattern):
|
|
if entry.is_file() or (include_directories and entry.is_dir()):
|
|
if not full_path:
|
|
if relative_filenames!="":
|
|
yield os.path.relpath(entry.path,relative_filenames)
|
|
else:
|
|
yield entry.name
|
|
else:
|
|
yield entry.path
|
|
if entry.is_dir() and recursive:
|
|
yield from search_folder(entry.path, pattern, recursive, full_path, include_directories,relative_filenames)
|
|
finally:
|
|
entries.close()
|
|
|
|
"""
|
|
def search_folder(folder_path, pattern, recursive,full_path,include_directories):
|
|
with os.scandir(folder_path) as files:
|
|
for f in files:
|
|
if fnmatch.fnmatch(f.name, pattern):
|
|
if f.is_file() or (include_directories and f.is_dir()):
|
|
if not full_path:
|
|
yield os.path.relpath(f.path,folder_path)
|
|
else:
|
|
yield f.path
|
|
if f.is_dir() and recursive: yield from search_folder(f.path, pattern, recursive, full_path,include_directories)
|
|
"""
|
|
|
|
"""
|
|
def search_folder(folder_path, pattern, recursive,full_path,include_directories):
|
|
with os.scandir(folder_path) as files:
|
|
for f in files:
|
|
if f.is_file() and fnmatch.fnmatch(f.name, pattern):
|
|
if not full_path:
|
|
print ("RET =", os.path.relpath(f.path,folder_path), " FROM ",f.path)
|
|
yield os.path.relpath(f.path,folder_path)
|
|
else:
|
|
yield f.path
|
|
elif f.is_dir():
|
|
if not full_path:
|
|
yield os.path.relpath(f.path,folder_path)
|
|
else:
|
|
yield f.path
|
|
if recursive: yield from search_folder(f.path, pattern, recursive, full_path,include_directories)
|
|
"""
|
|
def word_test(op,expr):
|
|
|
|
if op is None or op == "":
|
|
return False
|
|
|
|
result = False
|
|
|
|
try:
|
|
|
|
if len(expr) != 0:
|
|
|
|
if not is_list(expr):
|
|
expr = [expr]
|
|
|
|
for x in expr:
|
|
|
|
for y in " ".join(str(x).splitlines()).split(" "):
|
|
|
|
match op.casefold():
|
|
case "alpha":
|
|
result = ( y.isalpha() ) if y!="" else True
|
|
case "numeric":
|
|
print ("Y=",y)
|
|
if y!= "":
|
|
try:
|
|
float(y)
|
|
result = True
|
|
except ValueError:
|
|
pass
|
|
return False
|
|
else:
|
|
result = True
|
|
#if y!= "": y = y.replace('.','').replace('+','').replace('-','')
|
|
#result = (y.isdigit() ) if y!="" else True
|
|
case _:
|
|
return False
|
|
|
|
if not result:
|
|
return False
|
|
except:
|
|
pass
|
|
|
|
return result
|
|
|
|
def extract_between(expr,token1,token2=None):
|
|
|
|
ret = []
|
|
|
|
if token2 is None:
|
|
token2 = token1
|
|
|
|
if token1 == token2:
|
|
|
|
tmp=expr.split(token1)
|
|
|
|
try:
|
|
for x in range(1,len(tmp)-1,2):
|
|
ret.append (tmp[x])
|
|
except:
|
|
pass
|
|
|
|
else:
|
|
|
|
i = len(expr)
|
|
|
|
while (i != 0):
|
|
|
|
L = expr.partition(token1)[2]
|
|
R = L.partition(token2)[0]
|
|
expr = L[ len(R)+len(token2):]
|
|
i = len(expr)
|
|
if (R!="" and L!=R): ret.append (R)
|
|
|
|
return ret
|
|
|
|
def replace_caseless(text="", old="",new="",max=0):
|
|
|
|
idx,c = 0,0
|
|
|
|
if old is None: old = ""
|
|
if new is None: new = ""
|
|
|
|
while idx < len(text):
|
|
|
|
index_l = text.casefold().find(old.casefold(), idx)
|
|
|
|
if index_l == -1:
|
|
return text
|
|
|
|
text = text[:index_l] + new + text[index_l + len(old):]
|
|
idx = index_l + len(new)
|
|
|
|
c+=1
|
|
if c == max:
|
|
break
|
|
|
|
return text
|
|
|
|
import ast
|
|
import operator
|
|
import math
|
|
import random
|
|
|
|
# Define supported operators
|
|
operators = {
|
|
ast.Add: operator.add,
|
|
ast.Sub: operator.sub,
|
|
ast.Mult: operator.mul,
|
|
ast.Div: operator.truediv,
|
|
ast.FloorDiv: operator.floordiv,
|
|
ast.Mod: operator.mod,
|
|
ast.Pow: operator.pow,
|
|
ast.BitXor: operator.xor,
|
|
ast.USub: operator.neg,
|
|
ast.UAdd: operator.pos, # Unary addition
|
|
ast.Invert: operator.inv, # Bitwise inversion
|
|
ast.Eq: operator.eq,
|
|
ast.NotEq: operator.ne,
|
|
ast.Lt: operator.lt,
|
|
ast.LtE: operator.le,
|
|
ast.Gt: operator.gt,
|
|
ast.GtE: operator.ge,
|
|
ast.And: operator.and_,
|
|
ast.Or: operator.or_,
|
|
ast.Not: operator.not_,
|
|
ast.Is: operator.is_,
|
|
ast.IsNot: operator.is_not,
|
|
ast.In: lambda x, y: operator.contains(y, x),
|
|
ast.NotIn: lambda x, y: not operator.contains(y, x),
|
|
ast.BitAnd: operator.and_,
|
|
ast.BitOr: operator.or_,
|
|
ast.LShift: operator.lshift,
|
|
ast.RShift: operator.rshift,
|
|
ast.MatMult: operator.matmul, # Matrix multiplication
|
|
}
|
|
|
|
# Define supported functions
|
|
default_functions = {
|
|
'abs': abs,
|
|
'all': all,
|
|
'any': any,
|
|
'ascii': ascii,
|
|
'bin': bin,
|
|
'bool': bool,
|
|
'chr': chr,
|
|
'dict': dict,
|
|
'divmod': divmod,
|
|
'enumerate': enumerate,
|
|
'filter': filter,
|
|
'float': float,
|
|
'format': format,
|
|
'hex': hex,
|
|
'id': id,
|
|
'int': int,
|
|
'len': len,
|
|
'list': list,
|
|
'map': map,
|
|
'max': max,
|
|
'min': min,
|
|
'oct': oct,
|
|
'ord': ord,
|
|
'pow': pow,
|
|
'print': print,
|
|
'range': range,
|
|
'repr': repr,
|
|
'reversed': reversed,
|
|
'round': round,
|
|
'set': set,
|
|
'sorted': sorted,
|
|
'str': str,
|
|
'sum': sum,
|
|
'tuple': tuple,
|
|
'type': type,
|
|
'zip': zip,
|
|
'math': math,
|
|
'random': random,
|
|
'randrange': random.randrange,
|
|
'randint': random.randint,
|
|
'choice': random.choice,
|
|
'shuffle': random.shuffle,
|
|
'sample': random.sample,
|
|
'uniform': random.uniform,
|
|
'rnd': random.random,
|
|
'seed': random.seed,
|
|
}
|
|
|
|
def safe_eval(expr, variables=None, additional_functions=None):
|
|
"""
|
|
Safely evaluate a mathematical expression with named variables, including list and dictionary indexing,
|
|
logical operators, predefined function calls, list comprehensions, and conditionals.
|
|
|
|
:param expr: The expression to evaluate as a string.
|
|
:param variables: A dictionary of variable names and their values.
|
|
:param additional_functions: A dictionary of additional functions to support.
|
|
:return: The result of the evaluated expression.
|
|
"""
|
|
if variables is None:
|
|
variables = {}
|
|
|
|
if additional_functions is None:
|
|
additional_functions = {}
|
|
|
|
# Merge default functions with additional functions
|
|
functions = {**default_functions, **additional_functions}
|
|
|
|
# Parse expression into AST
|
|
node = ast.parse(expr, mode='exec')
|
|
|
|
def _eval(node, local_vars=None):
|
|
if local_vars is None:
|
|
local_vars = {}
|
|
|
|
if isinstance(node, ast.Expression):
|
|
return _eval(node.body, local_vars)
|
|
elif isinstance(node, ast.Assign):
|
|
targets = node.targets
|
|
if len(targets) != 1:
|
|
raise ValueError("Only single target assignments are supported")
|
|
target = targets[0]
|
|
value = _eval(node.value, local_vars)
|
|
if isinstance(target, ast.Tuple):
|
|
if not isinstance(value, (tuple, list)) or len(target.elts) != len(value):
|
|
raise ValueError("Mismatch between tuple assignment and values")
|
|
for elt, val in zip(target.elts, value):
|
|
if not isinstance(elt, ast.Name):
|
|
raise ValueError("Only simple variable assignments are supported")
|
|
local_vars[elt.id] = val
|
|
else:
|
|
if not isinstance(target, ast.Name):
|
|
raise ValueError("Only simple variable assignments are supported")
|
|
local_vars[target.id] = value
|
|
return value
|
|
elif isinstance(node, ast.NamedExpr): # Handling the walrus operator :=
|
|
target = node.target
|
|
value = _eval(node.value, local_vars)
|
|
if isinstance(target, ast.Tuple):
|
|
if not isinstance(value, (tuple, list)) or len(target.elts) != len(value):
|
|
raise ValueError("Mismatch between tuple assignment and values")
|
|
for elt, val in zip(target.elts, value):
|
|
if not isinstance(elt, ast.Name):
|
|
raise ValueError("Only simple variable assignments are supported")
|
|
local_vars[elt.id] = val
|
|
else:
|
|
if not isinstance(target, ast.Name):
|
|
raise ValueError("Only simple variable assignments are supported")
|
|
local_vars[target.id] = value
|
|
return value
|
|
elif isinstance(node, ast.BinOp):
|
|
left = _eval(node.left, local_vars)
|
|
right = _eval(node.right, local_vars)
|
|
return operators[type(node.op)](left, right)
|
|
elif isinstance(node, ast.UnaryOp):
|
|
operand = _eval(node.operand, local_vars)
|
|
return operators[type(node.op)](operand)
|
|
elif isinstance(node, ast.BoolOp):
|
|
if isinstance(node.op, ast.And):
|
|
for value in node.values:
|
|
result = _eval(value, local_vars)
|
|
if not result:
|
|
return result
|
|
return result
|
|
elif isinstance(node.op, ast.Or):
|
|
for value in node.values:
|
|
result = _eval(value, local_vars)
|
|
if result:
|
|
return result
|
|
return result
|
|
elif isinstance(node, ast.Compare):
|
|
left = _eval(node.left, local_vars)
|
|
for operation, comparator in zip(node.ops, node.comparators):
|
|
right = _eval(comparator, local_vars)
|
|
if not operators[type(operation)](left, right):
|
|
return False
|
|
left = right
|
|
return True
|
|
elif isinstance(node, ast.Num): # For Python 3.8 and earlier
|
|
return node.n
|
|
elif isinstance(node, ast.Constant): # For Python 3.8 and later
|
|
return node.value
|
|
elif isinstance(node, ast.Name):
|
|
if node.id in local_vars:
|
|
return local_vars[node.id]
|
|
elif node.id in variables:
|
|
return variables[node.id]
|
|
elif node.id in functions:
|
|
return functions[node.id]
|
|
elif node.id in {'True', 'False', 'None'}:
|
|
return {'True': True, 'False': False, 'None': None}[node.id]
|
|
else:
|
|
raise NameError(f"Variable '{node.id}' is not defined")
|
|
elif isinstance(node, ast.Subscript):
|
|
value = _eval(node.value, local_vars)
|
|
index = _eval(node.slice, local_vars)
|
|
return value[index]
|
|
elif isinstance(node, ast.Index): # For Python 3.8 and earlier
|
|
return _eval(node.value, local_vars)
|
|
elif isinstance(node, ast.Slice):
|
|
lower = _eval(node.lower, local_vars) if node.lower else None
|
|
upper = _eval(node.upper, local_vars) if node.upper else None
|
|
step = _eval(node.step, local_vars) if node.step else None
|
|
return slice(lower, upper, step)
|
|
elif isinstance(node, ast.Tuple):
|
|
return tuple(_eval(elt, local_vars) for elt in node.elts)
|
|
elif isinstance(node, ast.List):
|
|
return [_eval(elt, local_vars) for elt in node.elts]
|
|
elif isinstance(node, ast.Dict):
|
|
return {_eval(key, local_vars): _eval(value, local_vars) for key, value in zip(node.keys, node.values)}
|
|
elif isinstance(node, ast.Call):
|
|
func = _eval(node.func, local_vars)
|
|
args = [_eval(arg, local_vars) for arg in node.args]
|
|
if callable(func):
|
|
return func(*args)
|
|
else:
|
|
raise TypeError(f"Unsupported function: {func}")
|
|
elif isinstance(node, ast.Attribute):
|
|
value = _eval(node.value, local_vars)
|
|
if hasattr(value, node.attr):
|
|
return getattr(value, node.attr)
|
|
else:
|
|
raise AttributeError(f"Attribute '{node.attr}' not found in {value}")
|
|
elif isinstance(node, ast.IfExp):
|
|
test = _eval(node.test, local_vars)
|
|
if test:
|
|
return _eval(node.body, local_vars)
|
|
else:
|
|
return _eval(node.orelse, local_vars)
|
|
elif isinstance(node, ast.ListComp):
|
|
elt = node.elt
|
|
generators = node.generators
|
|
return _eval_listcomp(elt, generators, local_vars)
|
|
elif isinstance(node, ast.Lambda):
|
|
return _eval_lambda(node, local_vars)
|
|
elif isinstance(node, ast.Expr):
|
|
return _eval(node.value, local_vars)
|
|
elif isinstance(node, ast.Module):
|
|
for stmt in node.body:
|
|
result = _eval(stmt, local_vars)
|
|
return result
|
|
else:
|
|
raise TypeError(f"Unsupported type: {type(node)}")
|
|
|
|
def _eval_listcomp(elt, generators, local_vars):
|
|
"""
|
|
Evaluate a list comprehension.
|
|
|
|
:param elt: The element expression of the list comprehension.
|
|
:param generators: The generators of the list comprehension.
|
|
:param local_vars: The local variables for the list comprehension.
|
|
:return: The evaluated list comprehension.
|
|
"""
|
|
if not generators:
|
|
return [_eval(elt, local_vars)]
|
|
|
|
gen = generators[0]
|
|
iter_ = _eval(gen.iter, local_vars)
|
|
result = []
|
|
|
|
for item in iter_:
|
|
new_local_vars = local_vars.copy()
|
|
if isinstance(gen.target, ast.Name):
|
|
new_local_vars[gen.target.id] = item
|
|
elif isinstance(gen.target, ast.Tuple):
|
|
if isinstance(item, tuple) and len(gen.target.elts) == len(item):
|
|
for elt, value in zip(gen.target.elts, item):
|
|
new_local_vars[elt.id] = value
|
|
else:
|
|
raise ValueError("Invalid tuple unpacking in list comprehension")
|
|
if all(_eval(cond, new_local_vars) for cond in gen.ifs):
|
|
result.extend(_eval_listcomp(elt, generators[1:], new_local_vars))
|
|
|
|
return result
|
|
|
|
def _eval_lambda(node, local_vars):
|
|
"""
|
|
Evaluate a lambda function.
|
|
|
|
:param node: The lambda node.
|
|
:param local_vars: The local variables for the lambda function.
|
|
:return: The evaluated lambda function.
|
|
"""
|
|
if not isinstance(node, ast.Lambda):
|
|
raise TypeError(f"Expected ast.Lambda, got {type(node)}")
|
|
|
|
arg_names = [arg.arg for arg in node.args.args]
|
|
|
|
def lambda_func(*args):
|
|
if len(args) != len(arg_names):
|
|
raise TypeError(f"Expected {len(arg_names)} arguments, got {len(args)}")
|
|
lambda_local_vars = local_vars.copy()
|
|
lambda_local_vars.update(zip(arg_names, args))
|
|
return _eval(node.body, lambda_local_vars)
|
|
|
|
return lambda_func
|
|
|
|
return _eval(node, variables)
|
|
|
|
"""
|
|
# Example usage:
|
|
variables = {
|
|
'x': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
|
|
'y': 5,
|
|
'z': {'a': 1, 'b': 2},
|
|
'a': 3,
|
|
'b': 4
|
|
}
|
|
expression1 = "x[y] + 2 ** 3"
|
|
result1 = safe_eval(expression1, variables)
|
|
print(result1) # Output: 13
|
|
|
|
expression2 = "z['a'] + z['b']"
|
|
result2 = safe_eval(expression2, variables)
|
|
print(result2) # Output: 3
|
|
|
|
expression3 = "a < b and z['a'] == 1"
|
|
result3 = safe_eval(expression3, variables)
|
|
print(result3) # Output: True
|
|
|
|
expression4 = "not (a > b or z['b'] == 3)"
|
|
result4 = safe_eval(expression4, variables)
|
|
print(result4) # Output: True
|
|
|
|
expression5 = "abs(-10) + len(x)"
|
|
result5 = safe_eval(expression5, variables)
|
|
print(result5) # Output: 20
|
|
|
|
expression6 = "math.sqrt(16)"
|
|
result6 = safe_eval(expression6, variables)
|
|
print(result6) # Output: 4.0
|
|
|
|
expression7 = "{'key1': 1, 'key2': 2}['key1'] + [1, 2, 3][1]"
|
|
result7 = safe_eval(expression7, variables)
|
|
print(result7) # Output: 3
|
|
|
|
expression8 = "[i * 2 for i in range(5)]"
|
|
result8 = safe_eval(expression8, variables)
|
|
print(result8) # Output: [0, 2, 4, 6, 8]
|
|
|
|
expression9 = "[i * 2 for i in range(5) if i % 2 == 0]"
|
|
result9 = safe_eval(expression9, variables)
|
|
print(result9) # Output: [0, 4, 8]
|
|
|
|
expression10 = "[[i * j for j in range(3)] for i in range(3)]"
|
|
result10 = safe_eval(expression10, variables)
|
|
print(result10) # Output: [[0, 0, 0], [0, 1, 2], [0, 2, 4]]
|
|
|
|
expression11 = "3 if a < b else 4"
|
|
result11 = safe_eval(expression11, variables)
|
|
print(result11) # Output: 3
|
|
|
|
expression12 = "sorted([3, 1, 2])"
|
|
result12 = safe_eval(expression12, variables)
|
|
print(result12) # Output: [1, 2, 3]
|
|
|
|
expression13 = "list(reversed([1, 2, 3]))"
|
|
result13 = safe_eval(expression13, variables)
|
|
print(result13) # Output: [3, 2, 1]
|
|
|
|
expression14 = "list(map(lambda x: x * 2, [1, 2, 3]))"
|
|
result14 = safe_eval(expression14, variables)
|
|
print(result14) # Output: [2, 4, 6]
|
|
|
|
expression15 = "list(filter(lambda x: x % 2 == 0, [1, 2, 3, 4]))"
|
|
result15 = safe_eval(expression15, variables)
|
|
print(result15) # Output: [2, 4]
|
|
|
|
expression16 = "all([True, True, False])"
|
|
result16 = safe_eval(expression16, variables)
|
|
print(result16) # Output: False
|
|
|
|
expression17 = "any([False, False, True])"
|
|
result17 = safe_eval(expression17, variables)
|
|
print(result17) # Output: True
|
|
|
|
expression18 = "list(zip([1, 2], ['a', 'b']))"
|
|
result18 = safe_eval(expression18, variables)
|
|
print(result18) # Output: [(1, 'a'), (2, 'b')]
|
|
|
|
expression19 = "list(enumerate(['a', 'b', 'c']))"
|
|
result19 = safe_eval(expression19, variables)
|
|
print(result19) # Output: [(0, 'a'), (1, 'b'), (2, 'c')]
|
|
|
|
# Example with additional functions
|
|
additional_functions = {
|
|
'custom_func': lambda x: x * 2
|
|
}
|
|
expression20 = "custom_func(5)"
|
|
result20 = safe_eval(expression20, variables, additional_functions)
|
|
print(result20) # Output: 10
|
|
|
|
# Example with bitwise inversion
|
|
expression21 = "~5"
|
|
result21 = safe_eval(expression21, variables)
|
|
print(result21) # Output: -6
|
|
|
|
# Example with math.pi
|
|
expression22 = "math.pi"
|
|
result22 = safe_eval(expression22, variables)
|
|
print(result22) # Output: 3.141592653589793
|
|
|
|
# Example with inline if assignment
|
|
expression23 = "x = 10 if a < b else 20"
|
|
safe_eval(expression23, variables)
|
|
print(variables['x']) # Output: 10
|
|
|
|
# Example with walrus operator
|
|
expression24 = "(y := 10) + 5"
|
|
result24 = safe_eval(expression24, variables)
|
|
print(result24) # Output: 15
|
|
print(variables['y']) # Output: 10
|
|
|
|
# Example with dictionary merging
|
|
expression25 = "{'a': 1} | {'b': 2}"
|
|
result25 = safe_eval(expression25, variables)
|
|
print(result25) # Output: {'a': 1, 'b': 2}
|
|
|
|
# Example with random functions
|
|
expression26 = "randrange(1, 10)"
|
|
result26 = safe_eval(expression26, variables)
|
|
print(result26) # Output: Random number between 1 and 9
|
|
|
|
expression27 = "choice(['apple', 'banana', 'cherry'])"
|
|
result27 = safe_eval(expression27, variables)
|
|
print(result27) # Output: Randomly chosen fruit from the list
|
|
|
|
# Example with short-circuiting
|
|
variables.update({'a': None, 'b': 7})
|
|
expression28 = "False if a is None else a if a < b else False"
|
|
result28 = safe_eval(expression28, variables)
|
|
print(result28) # Output: False
|
|
|
|
# Example with multiple variable assignment
|
|
expression29 = "a, b, c, d, e = 0, 1, 2, 3, 4"
|
|
safe_eval(expression29, variables)
|
|
print(variables['a'], variables['b'], variables['c'], variables['d'], variables['e']) # Output: 0 1 2 3 4
|
|
|
|
# Example with walrus operator and multiple variable assignment
|
|
expression30 = "(a, b, c, d, e := 0, 1, 2, 3, 4)"
|
|
safe_eval(expression30, variables)
|
|
print(variables['a'], variables['b'], variables['c'], variables['d'], variables['e']) # Output: 0 1 2 3 4
|
|
|
|
# Example with logical short-circuiting
|
|
variables.update({'A': False, 'B': True, 'C': 'Short-circuited'})
|
|
expression31 = "A and B or C"
|
|
result31 = safe_eval(expression31, variables)
|
|
print(result31) # Output: 'Short-circuited'
|
|
""" |