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- The reason some files get compiled automatically is because they are imported; for instance, if you use import mylib.py, Python will compile mylib.py so that future import statements run a little faster. If you later change mylib.py, then it will get re-compiled next time it is imported (Python uses the file date to see that this happens.)
stackoverflow.com/questions/471191/why-compile-python-code
The reason some files get compiled automatically is because they are imported; for instance, if you use import mylib.py, Python will compile mylib.py so that future import statements run a little faster.
.pyc are compiled Python files. The standard implementation of Python compiles Python code to an intermediate byte code format for execution on a Python virtual machine. These are cached and only regenerated if the source files are changed.
Feb 26, 2012 · Python has a compiler! You just don't notice it because it runs automatically. You can tell it's there, though: look at the .pyc (or .pyo if you have the optimizer turned on) files that are generated for modules that you import. Also, it does not compile to the native machine's code.
There are several methods to compile Python code. To create executable files, you can use tools like PyInstaller, cx_Freeze, or py2exe. Additionally, you can compile Python modules using the built-in compile() function.
Dec 7, 2021 · When compiling a Python script (.py), you’ll end up with a compiled Python (.pyc, .pyo). The file is not as readable as its predecessor, since it is a bytecode sequence. Don’t worry, if you know the way, you can revert it to a readable Python script.
In Python, the source code is compiled into a much simpler form called bytecode. These are instructions similar in spirit to CPU instructions, but instead of being executed by the CPU, they are executed by software called a virtual machine. (These are not VM’s that emulate entire operating systems, just a simplified CPU execution environment.)
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Jan 14, 2024 · The compile_python_source function takes a single argument, the path to a .py file, and attempts to compile that file to a .pyc bytecode file, which is the standard compiled output of Python code. This is done using the py_compile.compile function.
