This question already has answers here:
How exactly is Python Bytecode Run in CPython?
(4 answers)
Closed 2 years ago.
Is it possible to run python bytecode files without the need of the C Python interpreter to be installed on the host OS ?
No, python interpreter is required.
You can use apps such as pyinstaller to make a executable of your scripts so that all required packages and python libs including the interpreter is self contained in a single executable. It runs like any other programs so nothing else needs to be done except double click and run.
Also .pyc files require the specific version of python to run with which they are compiled so it is really not a recommended way of distributing python code if thats what you are planning.
This answer has more details: https://stackoverflow.com/a/36027342/4289062
Related
This question already has answers here:
What are advantages of bytecode over native code? [closed]
(8 answers)
Closed 2 years ago.
The Python Virtual Machine is different for different Operating Systems, but the bytecode is portable. I mean, why was the bytecode designed in the first place? Wouldn't Python be much faster if its code ran directly on a native machine?
Yes it would be faster, but as you've mentioned, bytecode is used for portability. Anything which can run the virtual machine can run a Python program, without needed to recompile the code
This question already has answers here:
How do I protect Python code from being read by users?
(29 answers)
Closed 9 years ago.
I am writing code (Python and wxpython for GUI) which will run on Debian OS on Raspberry PI. I want to protect/hide the source code. Is there any way to do it? Probably py2exe, or converting it to a library or something else?
The compiled code (.pyc files) can be used if you wish for others to be able to execute but not to read or modify the source code (.py, .pyw).
Simply:
run your application
then copy all the relevant .pyc files into another folder and you should be able to
run it all from the new location
So long as all the appropriate modules are still able to be loaded, everything will work. This will require the version of python to be the same (can't run .pyc files from python 2.4 with python 2.7 and vice-versa)
The other thing to know is that strings will be preserved. You should open them up in a good text editor (I use vim) and inspect the content if you are worried about what others can see.
py2exe is of course another example, but you lose the ability to have cross-platform code at that point -- and if your application is for the Raspberry Pi -- that won't work.
Since you provided no other information about how you intend to run the code, it's not clear if the source will be a module or intended to be run directly. You should read this post to learn more.
This question already has answers here:
Create a single executable from a Python project [closed]
(3 answers)
Closed 8 years ago.
I have noticed that there are several commercially available programs I have that are partially made in python, but they worked even before I downloaded python. Do they somehow incorporate the interpreter into the executable? How?
Obviously this is platform dependent, but on Windows for example, the Python on Windows FAQ suggests the following "See http://www.py2exe.org/ for a distutils extension that allows you to create console and GUI executables from Python code."
There are a number of packages out there that bundle a py script with its runtime dependancies (ie python & any 3rd party modules)
py2exe
pyinstaller
cx_freeze
py2exe has sort of died a death (I use to use this)
pyinstaller is in active development and has some very nice features BUT does not support py3 at the moment
cx_freeze is equally nice and does support PY3
My preference right now is pyinstaller and is partly why I have held of fully converting a suite of py programs I have to py3
This question already has answers here:
What do the python file extensions, .pyc .pyd .pyo stand for?
(3 answers)
Closed 9 years ago.
I am new to python. I am using ubuntu for software development using python. Here python extension in ubuntu.
ubuntu :
.py
.pyc
Windows:
?
Mac :
?
and also please explain the extensions.
They are the same. In both windows and mac, you have .py files and compiled .pyc files. They are the same on all operating systems.
You might also occasionally meet .pyo, which is the same as a .pyc but it has been optimized. What that means really is that all assert statements are removed (used in testing software).
However, .pyd is specifically for windows. You can learn more about it from here.
UPDATE
There is also .pyw for pythonw programs on Windows - these do not generate a Windows console
-- From cdarke
This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
How can I make an EXE file from a Python program?
I am looking for a method in which i can run python program without having packages installed in the system.
Is there any way by which we can directly run any python code as an *exe.
or Should I make a executable file which has all packages in it.
The main reason behind this is, able to run python program on system which is not having python/packages in it.
http://www.pyinstaller.org/ is another good option. Does a lot of the same things py2exe does and suffers from the same problems.
py2exe is what you want. This will build an executable from your source.
The downside is: it packs an interpreter with the exe, so the filesize might become bigger. And when you use external libraries, especially C-bindings, you'll have to make manual steps.