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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 Sublime Text it gives me this error:
Error trying to parse build system:
Expected value in Packages\Python\Python.sublime-build:2:5
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.
Steps to Make Sublime Text a Python IDE (Windows)
Tested successfully on Sublime Text 3. Assuming Sublime Text and package control are already installed . . .
Install Python (python.org) and pay attention to where it is installed or choose a simple location like the C drive, agreeing to remove character limit at the end of the installation.
Install package SublimeREPL (Cntrl + Shift + P, Package Control - Install Package, SublimeREPL, Enter).
Go to Preferences, Package Settings, SublimeREPL, Settings - User.
Paste in the following, updating the file path to your python installation folder, as needed. You may customize these and choose whatever syntax you like (last line) but I prefer my output in plain text.
{
"default_extend_env": {"PATH":"C:\\Program Files\\Python36\\"},
"repl_view_settings": {
"translate_tabs_to_spaces": false,
"auto_indent": false,
"smart_indent": false,
"spell_check": false,
"indent_subsequent_lines": false,
"detect_indentation": false,
"auto_complete": true,
"line_numbers": false,
"gutter": false,
"syntax": "Packages/Text/Plain text.tmLanguage"
}
}
Save and close the file (SublimeREPL.sublime-settings).
Go to Tools, Build System, New Build System.
Replace all existing text with the following:
{
"target": "run_existing_window_command",
"id": "repl_python_run",
"file": "config/Python/Main.sublime-menu"
}
Cntrl + S or save as "C:\Users[username]\AppData\Roaming\Sublime Text 3\Packages\User\SublimeREPL-python.sublime-build" updating username or path as needed. This should be wherever your settings and builds are stored by Sublime Text.
Go to Tools, Build System, select SublimeREPL-python.
All done--now to test. Open or create a simple python file, having a *.py extension and save it wherever desired.
Make sure the file is open and selected in Sublime Text. Now, when you press Cntrl + B to build and run it, it will open another tab, titled "REPL [python]", executing and displaying the results of your python code.
If you would like to go a step further, I highly recommend making the follow changes, to allow Sublime to reload your executed python in the same window, when you press Cntrl+B (Build), instead of it opening a new tab each time:
Add the following line in the "repl_python_run" command in (Preferences, Browse Packages) SublimeREPL\config\Python\Main.sublime-menu, right before the "external_id": "python" argument:
"view_id": "*REPL* [python]",
and then to change the line:
if view.id() == view_id
into:
if view.name() == view_id
in SublimeREPL\sublimerepl.py.
If you are using PyQt, then for normal work, you should add "shell":"true" value, this looks like:
{
"cmd": ["c:/Python32/python.exe", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python",
"shell":"true"
}
Run Python Files in Sublime Text3
For Sublime Text 3,
First Install Package Control:
Press Ctrl + Shift + P, a search bar will open
Type Install package and then press enter
Click here to see Install Package Search Pic
After the package got installed. It may prompt to restart SublimeText
After completing the above step
Just again repeat the 1st and 2nd step, it will open the repositories this time
Search for Python 3 and Hit enter.
There you go.
Just press Ctrl + B in your python file and you'll get the output.
Click here to see Python 3 repo pic
It perfectly worked for me. Hopefully, it helped you too.
For any left requirements, visit https://packagecontrol.io/installation#st3 here.
Steps for configuring Sublime Text Editor3 for Python3 :-
Go to preferences in the toolbar.
Select Package Control.
A pop up will open.
Type/Select Package Control:Install Package.
Wait for a minute till repositories are loading.
Another Pop up will open.
Search for Python 3.
Now sublime text is set for Python3.
Now go to Tools-> Build System.
Select Python3.
Enjoy Coding.
Version for Linux. Create a file ~/.config/sublime-text-3/Packages/User/Python3.sublime-build with the following.
{
"cmd": ["/usr/bin/python3", "-u", "$file"],
"file_regex": "^[ ]File \"(...?)\", line ([0-9]*)",
"selector": "source.python"
}
And to add on to the already solved problem, I had installed Portable Scientific Python on my flash drive E: which on another computer changed to D:, I would get the error "The system cannot find the file specified". So I used parent directory to define the path, like this:
From this:
{
"cmd": ["E:/WPy64-3720/python-3.7.2.amd64/python.exe", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
To this:
{
"cmd": ["../../../../WPy64-3720/python-3.7.2.amd64/python.exe","$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
You can modify depending on where your python is installed your python.
first you need to find your python.exe location, to find location run this python script:
import sys
print(sys.executable)
Then you can create your custom python build:
{
"cmd": ["C:\\Users\\Sashi\\AppData\\Local\\Programs\\Python\\Python39\\python.exe", "-u", "$file"],
"file_regex": "^[ ]File \"(...?)\", line ([0-9]*)",
"selector": "source.python"}
You can change the location, In my case it is C:\Users\Sashi\AppData\Local\Programs\Python\Python39\python.exe
Then save your new build. Don't change the file extension while saving.
I'd like to add just one point to the accepted answer:
when you edit the cmd portion of the snippet below, make sure to add the file address (with forward slash) where python is kept on your computer.
{
"cmd": ["c:/Python32/python.exe", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
How to know where python is installed on your system? Two ways for windows users:
Open Command prompt and do the following query: where python
If it shows the path to python.exe, copy and paste it with /. If it shows some error, then follow process below:
Go to start -> Search for python shortcut (not IDLE) -> Right Click -> More -> Open file location -> Right click the shortcut -> Properties -> Target -> Path is now visible -> Copy and paste it in the field above.
Here is a very simple Python Sublime Text build system that works when python scripts are invoked with py file_name.py.
Just create py.sublime-build by Tools > Build System > New Build System and add the contents below:
{
"cmd": ["python3", "$file"]
}
You can select it in Sublime Text editor by going to Tools > Build System > py and building with Ctrl + b.
Note: If your filesystem doesn't python3 than you need to provide path/to/python3 and it should work.
I use Linux Mint 17.3 and recently installed Sublime Text 3 (unregistered version). In order to run python scripts in terminal (the external terminal of the OS, not the internal one of the IDE) I fount somewhere this:
Tools -> Build system -> New build system
type this:
{
"cmd": ["gnome-terminal -e 'bash -c \"python3 -u $file;echo;echo Press ENTER to exit; read line\"'"],"shell": true
}
and save it as python3.sublime-build
After that I quit sublime and relaunch it. I open a python file, then select
Tools -> Build system -> python3, and
Tools -> Build
A terminal window should appear but instead, nothing happens.
Any suggestions would be appreciated.
could you go to Tools -> Build System -> new build system
paste the following in the window that open
{
"path": "/usr/local/bin",
"cmd": ["python3", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
then save it as pybuild.sublime-build for example and go to
then go Tools -> Build System -> whatever name you chose
then Ctrl+B on whatever python file you want to run , this worked like a charm for me on Manjaro .
Problem solved. I just had missed to install gnome-terminal. After installation, it worked fine.
The code provided by ImsoFancy doesnt work for me.
I have to change the line where it indicates the binary file:
"path": "/usr/bin",
And now it works. Tested on LinuxMint 18.2
I want to set up a complete Python IDE in Sublime Text 2.
I want to know how to run the Python code from within the editor. Is it done using build system? How do I do it ?
Tools -> Build System -> (choose) Python then:
To Run:
Tools -> Build
-or-
Ctrl + B
CMD + B (OSX)
This would start your file in the console which should be at the bottom of the editor.
To Stop:
Ctrl + Break or Tools -> Cancel Build
Fn + C (OSX)
You can find out where your Break key is here: http://en.wikipedia.org/wiki/Break_key.
Note: CTRL + C will NOT work.
What to do when Ctrl + Break does not work:
Go to:
Preferences -> Key Bindings - User
and paste the line below:
{"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} }
Now, you can use ctrl+shift+c instead of CTRL+BREAK
Edit %APPDATA%\Sublime Text 2\Python\Python.sublime-build
Change content to:
{
"cmd": ["C:\\python27\\python.exe", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
change the "c:\python27" part to any version of python you have in your system.
On Mac OS X, save your file with a .py extension. Press ⌘ + B. It runs in a window below.
To RUN press CtrlB (answer by matiit)
But when CtrlB does not work, Sublime Text probably can't find the Python Interpreter. When trying to run your program, see the log and find the reference to Python in path.
[cmd: [u'python', u'-u', u'C:\\scripts\\test.py']]
[path: ...;C:\Python27 32bit;...]
The point is that it tries to run python via command line, the cmd looks like:
python -u C:\scripts\test.py
If you can't run python from cmd, Sublime Text can't too.
(Try it yourself in cmd, type python in it and run it, python commandline should appear)
SOLUTION
You can either change the Sublime Text build formula or the System %PATH%.
To set your %PATH%:
*You will need to restart your editor to load new %PATH%
Run Command Line* and enter this command: *needs to be run as administrator
SETX /M PATH "%PATH%;<python_folder>"
for example: SETX /M PATH "%PATH%;C:\Python27;C:\Python27\Scripts"
OR manually: (preferable)
Add ;C:\Python27;C:\Python27\Scripts at the end of the string.
To set the interpreter's path without messing with System %PATH% see this answer by ppy.
You can use SublimeREPL (you need to have Package Control installed first).
If using python 3.x you need to edit the Python3.sublime-build
(Preferences > Browse packages > Python 3)
to look like this:
{
"path": "/usr/local/bin",
"cmd": ["python3", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
[ This applies to ST3 (Win), not sure about ST2 ]
To have the output visible in Sublime as another file (+ one for errors), do this:
Create a new build system: Tools > Build Systems > New Build System...
Use the following configuration:
{
"cmd": ["python.exe", "$file", "1>", "$file_name.__STDOUT__.txt", "2>", "$file_name.__STDERR__.txt"],
"selector": "source.python",
"shell": true,
"working_dir": "$file_dir"
}
For your Python file select the above build system configuration file: Tools > Build Systems > {your_new_build_system_filename}
ctrl + b
Now, next to your file, e.g. "file.py" you'll have "file.__STDOUT__.py" and "file.__STDERR__.py" (for errors, if any)
If you split your window into 3 columns, or a grid, you'll see the result immediately, without a need to switch panels / windows
In python v3.x you should go to : Tools->Build System->New Build System.
Then, it pop up the untitled.sublime-build window in sublime text editor.Enter setting as:
{
"cmd": ["path_to_the_python.exe","-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
To see the path, Type following in terminal as:
python
>>> import sys
>>>print(sys.executable)
You can make more than one Build System but it should default save inside Packages of Sublime text with .sublime-build extension.
Then, select the new Build System and press cltr+b or other based on your os.
Cool U guys, I just found this:
http://ptomato.wordpress.com/2012/02/09/geek-tip-running-python-guis-in-sublime-text-2/
It explains (like one of the answers above) how to edit this exec.py in the default directory.
I had the problem that my PYTHON UI APPLICATION would not start. I commented out the last line from the following snipped:
# Hide the console window on Windows
startupinfo = None
if os.name == "nt":
startupinfo = subprocess.STARTUPINFO()
#startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
and, taaadaaaa, I could start my app by pressing Ctrl+B. Funny line anyways, uh? And a big thank you to whoever wrote that article ;-)
I solved this problem :
> Preferences –> Browse Packages –> Default
Open the exec.py file, near line 41-42, the code should look like this :
for k, v in proc_env.iteritems():
proc_env[k] = os.path.expandvars(v).encode(sys.getfilesystemencoding())
then delete it or edit it as :
try:
for k, v in proc_env.iteritems():
proc_env[k] = os.path.expandvars(v).encode(sys.getfilesystemencoding())
except:
print 'foobar'
I ran into the same problem today. And here is how I managed to run python code in Sublime Text 3:
Press Ctrl + B (for Mac, ⌘ + B) to start build system. It should execute the file now.
Follow this answer to understand how to customise build system.
What you need to do next is replace the content in Python.sublime-build to
{
"cmd": ["/usr/local/bin/python", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python",
}
You can of course further customise it to something that works for you.
seems the Ctrl+Break doesn't work on me, neither the Preference - User...
use keys, Alt → t → c
You can access the Python console via “View/Show console” or Ctrl+`.
I had the same problem. You probably haven't saved the file yet. Make sure to save your code with .py extension and it should work.
One thing to note about the aforementioned build system: you can write (and use) custom .sublime-build files or even per project build_systems clause (in your project settings). This allows you to do useful things like a fancy test runner with ANSI colors output.
For even more "full IDE" features, you can use the excellent SublimePythonIDE package:
code completion (intel)
jump to definition & object description
proper linting/pep8
supports different interpreters with virtualenv
Disclosure: I've contributed a PR to that package, and I use it all the time, but there are others.
Use a real python console alongside Sublime
Both Sublime's build system and SublimeREPL (the answers above) are limited in that you can't easily interact with the workspace variables after you run your file.
If you want to run a script, then work in a REPL-like fashion (like you would in an IDE), then I recommend having Sublime open alongside an IPython console. Using AutoHotKey (Windows) or AutoKey (Linux), you can set this up such that a single shortcut will copy the filename (or just the selected code) and then paste this in the console to run the file.
Detailed instructions for Linux or Windows
So I've installed anaconda to a directory I have privileges for but I can't get sublime text 3 to recognise that the shell is now using anaconda python:
>which python
/local/home/USER/Apps/anaconda/bin/python
when I build with sublime launched from the same shell:
import astropy
print astropy.__file__
it gives a different directory: /soft/python-SL7/lib/python2.7/site-packages/astropy/init.pyc
My .tcshrc file reads:
setenv PATH /local/home/USER/Apps/anaconda/bin:${PATH}
alias subl /local/home/USER/Apps/sublime_text_3/sublime_text
My .bashrc (not that it should be using it) reads:
export PATH="/local/home/sread/Apps/anaconda/bin:$PATH"
Any ideas?
The easiest way is to create a new build system that points to your Anaconda installation. Create a new file in Sublime with JSON syntax and the following contents:
{
"cmd": ["/local/home/USER/Apps/anaconda/bin/python", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
Save the file in your Packages/User directory (should be ~/.config/sublime-text-3/Packages/User) as Anaconda.sublime-build. Finally, select Tools → Build System → Anaconda, and when you hit CtrlB in a Python file it should now run using Anaconda.
If you want to set up SublimeREPL to use Anaconda with IPython in Sublime, you can follow the instructions here to set up the proper menu option (altering the path to suit your environment, of course), and my gist here for setting up SublimeREPL for IPython 4 and Jupyter.
The other answer is correct, but you can also have a per project setting by editing the project file and adding this:
"build_systems":
[
{
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"name": "Anaconda Python Builder",
"selector": "source.python",
"shell_cmd": "\"python3\" -u \"$file\""
}
],
This also has the advantage of not leaving too many build systems in the build menu.
I am currently using the Anaconda python distribution for my project (NOT the anaconda plugin, they have the same name, but the one I am using includes Numpy, IPython, etc. It is kinda confusing). So I want to change the default python (v3.3) to the one in Anaconda (v2.7.6), in that case I will be able to use the libraries embedded in Anaconda. I tried to put a new script under Tool > Build System > New Build System.
{
"path": "/home/username/anaconda/bin",
"cmd": ["python", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
But it failed, the sublime is still using the default interpreter:
>>>print (sys.version)
3.3.0 (default, Jun 12 2013, 17:01:35)
[GCC 4.7.2]
>>> print (sys.executable)
python3
>>> print (sys.path)
['/opt/sublime_text', '/opt/sublime_text/python3.3.zip', '/home/username/.config/sublime-text-3/Packages']
So my question is quite simple (but hard enough for one who doesn't know):
How to change this default python interpreter to the one I want;
You can get it working by distinguishing the name of python.
For example change
C:\Python27\python.exe
to
C:\Python27\python2.exe
Change your environment variables to reference this change. Type python2 in cmd to confirm its working.
And then you should be able to reference this from your build hotkey.
{
"path": "/home/username/anaconda/bin",
"cmd": ["python2", "-u", "$file"],
"file_regex": "^[ ]*File \"(...*?)\", line ([0-9]*)",
"selector": "source.python"
}
Extremely Simple Method :
You can get sublime-text-conda via the package manager: Ctrl+shift+ P
Serach for conda, once installed, you need to activate or create the environments within sublimetext to change environment: Ctrl+shift+ P, and type: conda :
From here, when you build the env, you can select conda if not selected:
** I've noticed that if I switched to a conda env form package control, and selected a different build system, then the build system doesn't switch back when you re-select conda via package control, might wanna check this if you switch between build systems.