If you're using a Python virtual environment with the pypy interpreter, ensure you have a recent version of pypy, as it includes a version of cffi which pip will not upgrade. If the problem persists, make sure your operating system hasn't pre-installed an old version of cffi, which pip may refuse to uninstall. angr now requires at least version 1.7 of cffi. You have an outdated version of the cffi Python module. AttributeError: 'FFI' object has no attribute 'unpack' You can also try upgrading pip ( python -m pip install -U pip), which might solve the issue. Pip install -I -no-binary z3-solver z3-solver No such file or directory: 'pyvex_c'Īre you running Ubuntu 12.04? If so, please stop using a 6 year old operating system! Upgrading is free! If you encounter errors with pip install angr, you may need to first install unicorn separately, pointing it to your Python 2: Building unicorn from source requires Python 2, so will fail inside a virtualenv where python gets you Python 3. Pip install angr should work, but there are some caveats.Īngr requires the unicorn library, which (as of this writing) pip must build from source on macOS, even though binary distributions ("wheels") exist on other platforms. Mkvirtualenv -python=$(which python3) angr & pip install angr should usually be sufficient to install angr in most cases, since angr is published on the Python Package Index.įish (shell) users can either use virtualfish or the virtualenv package: vf new angr & vf activate angr & pip install angrįailing that, you can install angr by installing the following repositories, in order, from : If you are trying out angr Management, you will also need the PySide 2 requirements. On Ubuntu, you will want: sudo apt-get install python3-dev libffi-dev build-essential virtualenvwrapper. At some point in the dependency install process, you'll install the Python library cffi, but (on linux, at least) it won't run unless you install your operating system's libffi package. You will, however, need to build some C to get from here to the end, so you'll need a good build environment as well as the Python development headers. DependenciesĪll of the Python dependencies should be handled by pip and/or the setup.py scripts. In general, don't expect support for problems arising from installing angr outside of a virtualenv. Several of angr's dependencies (z3, pyvex) require libraries of native code that are forked from their originals, and if you already have libz3 or libVEX installed, you definitely don't want to overwrite the official shared objects with ours. We highly recommend using a Python virtual environment to install and use angr. Angr is a library for Python 3.8+, and must be installed into your Python environment before it can be used.
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