Python library for Windows giving live access to a program's memory
Project description
Python library for Windows giving live access to a program’s memory.
Usage
memaccess exposes one main class to use for memory inspection: MemoryView. It will request all necessary data from Windows to be able to read memory of another application. Just pass to the class the process-id of the application you want to observe:
from memaccess import MemoryView
view = MemoryView(5555)
# Read memory...
view.close()
It’s safer to use the context-manager variant of MemoryView:
from memaccess import MemoryView
with MemoryView(5555) as view:
pass # Read memory...
NOTE
Accessing another program’s memory requires elevated privileges, otherwise instantiation of MemoryView will fail.
To read content, memaccess exposes the read function. It takes the number of bytes to read and the address where to start reading.
# Read 8 bytes of memory at address 0x01234560
view.read(8, 0x01234560)
For convenience, MemoryView exposes read methods that convert values in memory to respective C/C++ types.
view.read_int(0x01234560)
view.read_float(0x01234564)
# ... and many others.
Please inspect the MemoryView class for details on all of those functions.
Exceptions
Some exceptions are raised due to internal Windows API errors and show an error code.
>>> from memaccess import MemoryView >>> MemoryView(5555) Traceback (most recent call last): File "<stdin>", line 1, in <module> ... RuntimeError: Can't open process with pid 5555, error code 87
You can read up on those error codes here:
https://msdn.microsoft.com/de-de/library/windows/desktop/ms681381(v=vs.85).aspx
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