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deepcopy have been moved to safe_function.py and can no longer copy a function / method

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Faraphel 2022-08-20 11:10:23 +02:00
parent 970f18f503
commit 056088f035
4 changed files with 16 additions and 5 deletions
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3
assets/language/en.json
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@ -99,6 +99,7 @@
"FORBIDDEN_TRACKGROUP_ATTRIBUTE": "Forbidden TrackGroup attribute",
"SAFE_EVAL_ERROR": "Safe eval error",
"TEMPLATE_USED": "Template used",
"MORE_IN_ERROR_LOG": "More information in the error.log file"
"MORE_IN_ERROR_LOG": "More information in the error.log file",
"COPY_FUNCTION_FORBIDDEN": "Copying functions is forbidden"
}
}

3
assets/language/fr.json
View file

@ -100,6 +100,7 @@
"FORBIDDEN_TRACKGROUP_ATTRIBUTE": "Attribut de groupe de course interdit",
"SAFE_EVAL_ERROR": "Erreur lors d'un safe eval",
"TEMPLATE_USED": "Modèle utilisé",
"MORE_IN_ERROR_LOG": "Plus d'information dans le fichier error.log"
"MORE_IN_ERROR_LOG": "Plus d'information dans le fichier error.log",
"COPY_FUNCTION_FORBIDDEN": "Impossible de copier une fonction"
}
}

4
source/safe_eval/safe_eval.py
View file

@ -1,5 +1,4 @@
import ast
import copy
from typing import TYPE_CHECKING, Iterable, Callable
from source.safe_eval import better_safe_eval_error
@ -24,7 +23,6 @@ class SafeEvalException(Exception):
# dict of every value used by every safe_eval call
all_globals = {
"__builtins__": {},
"deepcopy": copy.deepcopy
} | {
func.__name__: func for func in get_all_safe_functions()
}
@ -91,7 +89,7 @@ def safe_eval(template: "TemplateSafeEval", env: "Env" = None, macros: dict[str,
case ast.NamedExpr:
# embed the value into a deepcopy, to avoid interaction with class attribute
node.value = ast.Call(
func=ast.Name(id="deepcopy", ctx=ast.Load()),
func=ast.Name(id="copy", ctx=ast.Load()),
args=[node.value], keywords=[],
)

11
source/safe_eval/safe_function.py
View file

@ -1,3 +1,4 @@
import copy
from typing import Callable, Generator, TYPE_CHECKING
from source.translation import translate as _
@ -52,3 +53,13 @@ class safe_function:
"""
from source.safe_eval.safe_eval import safe_eval
return safe_eval(template=template, env=env)()
@staticmethod
def copy(obj: any) -> any:
"""
Deepcopy an object, and raise an exception if it is a function / method.
:param obj: the object to copy
:return: the copied object
"""
if callable(obj): raise Exception(_("COPY_FUNCTION_FORBIDDEN", ' : "', obj.__name__, '"'))
return copy.deepcopy(obj)