jan/mem_edit
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improve type annotations

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This commit is contained in:
Jan Petykiewicz 2024-08-01 00:21:55 -07:00
parent fec96b92a7
commit 5f2b1a432e
3 changed files with 11 additions and 12 deletions
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6
mem_edit/abstract.py
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@ -1,8 +1,8 @@
""" """
Abstract class for cross-platform memory editing. Abstract class for cross-platform memory editing.
""" """
from typing import Self
from typing import Generator from collections.abc import Generator
from abc import ABCMeta, abstractmethod from abc import ABCMeta, abstractmethod
from contextlib import contextmanager from contextlib import contextmanager
import copy import copy
@ -346,7 +346,7 @@ class Process(metaclass=ABCMeta):
@classmethod @classmethod
@contextmanager @contextmanager
def open_process(cls, process_id: int) -> Generator['Process', None, None]: def open_process(cls: type[Self], process_id: int) -> Generator[Self, None, None]:
""" """
Context manager which automatically closes the constructed Process: Context manager which automatically closes the constructed Process:
``` ```

13
mem_edit/utils.py
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@ -11,16 +11,15 @@ Utility functions and types:
Check if two buffers (ctypes objects) store equal values: Check if two buffers (ctypes objects) store equal values:
ctypes_equal(a, b) ctypes_equal(a, b)
""" """
from typing import Union
import ctypes import ctypes
ctypes_buffer_t = Union[ ctypes_buffer_t = (
ctypes._SimpleCData, ctypes._SimpleCData
ctypes.Array, | ctypes.Array
ctypes.Structure, | ctypes.Structure
ctypes.Union, | ctypes.Union
] )
class MemEditError(Exception): class MemEditError(Exception):

4
mem_edit/windows.py
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@ -92,7 +92,7 @@ class MEMORY_BASIC_INFORMATION64(ctypes.Structure):
PTR_SIZE = ctypes.sizeof(ctypes.c_void_p) PTR_SIZE = ctypes.sizeof(ctypes.c_void_p)
MEMORY_BASIC_INFORMATION: ctypes.Structure MEMORY_BASIC_INFORMATION: type[ctypes.Structure]
if PTR_SIZE == 8: # 64-bit python if PTR_SIZE == 8: # 64-bit python
MEMORY_BASIC_INFORMATION = MEMORY_BASIC_INFORMATION64 MEMORY_BASIC_INFORMATION = MEMORY_BASIC_INFORMATION64
elif PTR_SIZE == 4: # 32-bit python elif PTR_SIZE == 4: # 32-bit python
@ -256,7 +256,7 @@ class Process(AbstractProcess):
start = sys_info.lpMinimumApplicationAddress start = sys_info.lpMinimumApplicationAddress
stop = sys_info.lpMaximumApplicationAddress stop = sys_info.lpMaximumApplicationAddress
def get_mem_info(address): def get_mem_info(address: int) -> MEMORY_BASIC_INFORMATION:
""" """
Query the memory region starting at or before 'address' to get its size/type/state/permissions. Query the memory region starting at or before 'address' to get its size/type/state/permissions.
""" """