Fix python instructions collecting method for python 3.9 and older (#2693)

Author: tamarinvs19

utbot-python-executor/src/main/python/utbot_executor/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "utbot-executor"
-version = "1.8.0"
+version = "1.8.6"
 description = ""
 authors = ["Vyacheslav Tamarin <vyacheslav.tamarin@yandex.ru>"]
 readme = "README.md"

utbot-python-executor/src/main/python/utbot_executor/utbot_executor/executor.py

@@ -182,7 +182,7 @@ def _run_calculate_function_value(
     __is_exception = False
 
     _, __start = inspect.getsourcelines(function)
-    __all_code_stmts = filter_instructions(get_instructions(function.__code__), tracer.mode)
+    __all_code_stmts = filter_instructions(get_instructions(function), tracer.mode)
 
     __tracer = tracer
 

utbot-python-executor/src/main/python/utbot_executor/utbot_executor/utils.py

@@ -1,11 +1,15 @@
 from __future__ import annotations
 import dataclasses
+import dis
 import enum
 import os
 import sys
 import typing
 from contextlib import contextmanager
-from types import CodeType
+from types import CodeType, MethodType, FunctionType, LambdaType
+
+
+InstructionType: typing.TypeAlias = MethodType | FunctionType | CodeType | type | LambdaType
 
 
 class TraceMode(enum.Enum):
@@ -37,8 +41,19 @@ def suppress_stdout():
             sys.stdout = old_stdout
 
 
-def get_instructions(obj: CodeType) -> list[UtInstruction]:
-    return [UtInstruction(line, start_offset, True) for start_offset, _, line in obj.co_lines() if None not in {start_offset, line}]
+def get_instructions(obj: InstructionType) -> list[UtInstruction]:
+    if sys.version_info >= (3, 10):
+        code = obj.__code__
+        return [UtInstruction(line, start_offset, True) for start_offset, _, line in code.co_lines() if None not in {start_offset, line}]
+    else:
+        instructions: list[UtInstruction] = []
+        current_line = None
+        for instruction in dis.get_instructions(obj):
+            if current_line is None and instruction.starts_line:
+                current_line = instruction.starts_line
+            if current_line is not None:
+                instructions.append(UtInstruction(instruction.starts_line, instruction.offset, True))
+        return instructions
 
 
 def filter_instructions(

utbot-python-executor/src/main/resources/utbot_executor_version

@@ -1 +1 @@
-1.8.0
+1.8.6