litellm-mirror/tests/code_coverage_tests/recursive_detector.py
2025-04-09 21:21:56 -07:00

104 lines
3.9 KiB
Python

import ast
import os
IGNORE_FUNCTIONS = [
"_format_type",
"_remove_additional_properties",
"_remove_strict_from_schema",
"filter_schema_fields",
"text_completion",
"_check_for_os_environ_vars",
"clean_message",
"unpack_defs",
"convert_anyof_null_to_nullable", # has a set max depth
"add_object_type",
"strip_field",
"_transform_prompt",
"mask_dict",
"_serialize", # we now set a max depth for this
"_sanitize_request_body_for_spend_logs_payload", # testing added for circular reference
"_sanitize_value", # testing added for circular reference
]
class RecursiveFunctionFinder(ast.NodeVisitor):
def __init__(self):
self.recursive_functions = []
self.ignored_recursive_functions = []
def visit_FunctionDef(self, node):
# Check if the function calls itself
if any(self._is_recursive_call(node, call) for call in ast.walk(node)):
if node.name in IGNORE_FUNCTIONS:
self.ignored_recursive_functions.append(node.name)
else:
self.recursive_functions.append(node.name)
self.generic_visit(node)
def _is_recursive_call(self, func_node, call_node):
# Check if the call node is a function call
if not isinstance(call_node, ast.Call):
return False
# Case 1: Direct function call (e.g., my_func())
if isinstance(call_node.func, ast.Name) and call_node.func.id == func_node.name:
return True
# Case 2: Method call with self (e.g., self.my_func())
if isinstance(call_node.func, ast.Attribute) and isinstance(
call_node.func.value, ast.Name
):
return (
call_node.func.value.id == "self"
and call_node.func.attr == func_node.name
)
return False
def find_recursive_functions_in_file(file_path):
with open(file_path, "r") as file:
tree = ast.parse(file.read(), filename=file_path)
finder = RecursiveFunctionFinder()
finder.visit(tree)
return finder.recursive_functions, finder.ignored_recursive_functions
def find_recursive_functions_in_directory(directory):
recursive_functions = {}
ignored_recursive_functions = {}
for root, _, files in os.walk(directory):
for file in files:
print("file: ", file)
if file.endswith(".py"):
file_path = os.path.join(root, file)
functions, ignored = find_recursive_functions_in_file(file_path)
if functions:
recursive_functions[file_path] = functions
if ignored:
ignored_recursive_functions[file_path] = ignored
return recursive_functions, ignored_recursive_functions
if __name__ == "__main__":
# Example usage
# raise exception if any recursive functions are found, except for the ignored ones
# this is used in the CI/CD pipeline to prevent recursive functions from being merged
directory_path = "./litellm"
recursive_functions, ignored_recursive_functions = (
find_recursive_functions_in_directory(directory_path)
)
print("UNIGNORED RECURSIVE FUNCTIONS: ", recursive_functions)
print("IGNORED RECURSIVE FUNCTIONS: ", ignored_recursive_functions)
if len(recursive_functions) > 0:
# raise exception if any recursive functions are found
for file, functions in recursive_functions.items():
print(
f"🚨 Unignored recursive functions found in {file}: {functions}. THIS IS REALLY BAD, it has caused CPU Usage spikes in the past. Only keep this if it's ABSOLUTELY necessary."
)
file, functions = list(recursive_functions.items())[0]
raise Exception(
f"🚨 Unignored recursive functions found include {file}: {functions}. THIS IS REALLY BAD, it has caused CPU Usage spikes in the past. Only keep this if it's ABSOLUTELY necessary."
)