Set up Python 3 build system with Sublime Text 3

Question

I want to configure Sublime Text 3 to build Python 3, but I don't seem to understand how the builds work. Many tutorials have told me to make a build file containing code such as: ``` { 'cmd': ['/usr/bin/python3', '-u', '$file'], 'file_regex': '^[ ]*File "(…*?)", line ([0-9]*)', 'selector': 'source.python' } ``` and save it as a file called `Python.sublime-build` or `python3.sublime-build` (much of the information I found was conflicting). One tutorial suggested creating a new folder in the ST3 Packages folder called `Python` and add the build file in there, whilst other tutorials suggested leaving it in the folder called `User`. One tutorial explained how I had to change the Environment Variable `path` on my operating system to get it to work. That didn't seem to help either. I added a folder `Python` to `Packages` (since it wasn't there already) and added in a build file with the name `Python.sublime_build` which featured only the code I posted above in it. Now when I attempt to run…

Accepted Answer

The reason you're getting the error is that you have a Unix-style path to the `python` executable, when you're running Windows. Change `/usr/bin/python3` to `C:/Python32/python.exe` (make sure you use the forward slashes `/` and not Windows-style back slashes `\`). Once you make this change, you should be all set.

Also, you need to change the single quotes `'` to double quotes `"` like so:

```
{
    "cmd": ["c:/Python32/python.exe", "-u", "$file"],
    "file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
    "selector": "source.python"
}
```

The `.sublime-build` file needs to be valid JSON, which requires strings be wrapped in double quotes, not single.

Set up Python 3 build system with Sublime Text 3

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