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Using sys.maxint will not work to detect a 64-bit Python when running Windows (see here). Instead, use struct.calcsize("P") for a cross-platform solution. –
Apr 16, 2015 · In particular, on some OS X multi-architecture builds, the same executable file may be capable of running in either mode, as the example below demonstrates. The quickest safe multi-platform approach is to test sys.maxsize on Python 2.6, 2.7, Python 3.x. $ arch -i386 /usr/local/bin/python2.7.
There are 2 methods to check if python is 32 or 64-bit version on windows. 1.1 Method 1. Input the keyword cmd in the Windows OS Type here to search text box.
Apr 9, 2024 · Use the python -c "import sys; print(sys.maxsize > 2**32)" command to check if Python is running as 32-bit or 64-bit. The command will return True if Python is running in 64-bit and False if it's running in 32-bit.
1 day ago · Added in version 3.7: Beginning with python launcher 3.7 it is possible to request 64-bit version by the “-64” suffix. Furthermore it is possible to specify a major and architecture without minor (i.e. /usr/bin/python3-64).
One simple way of checking if Python is running 32-bit or 64-bit is by using the python -c command. Open a terminal window and type python -c 'import struct; print(struct.calcsize("P") * 8)' (without the quotes). This will tell you whether you are running a 32-bit or 64-bit version of Python.
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Sep 10, 2021 · To check which bit version the Python installation on your operating system supports, simply run the command “python” (without quotes) in your command line or PowerShell (Windows), terminal (Ubuntu, macOS), or shell (Linux). This will open the interactive Python mode.