Remote development with PyCharm
PyCharm is a fantastic tool for python development. One cool feature that I quite like is its support for remote development. We have quite a few projects that need to interact with special hardware, and that hardware is often not attached to the computer we’re developing on.
In order to test your programs, you still need to run it on that computer though, and doing this without tool support can be especially painful. You need to use a tool like scp or rsync to transmit your code to the target machine and then execute it using ssh. This all results in painfully long and error prone iterations.
Fortunately, PyCharm has tool support in its professional edition. After some setup, it allows you do develop just as you would on a local machine. Here’s a small guide on how to set it up with an ubuntu vagrant virtual machine, connecting over ssh. It work just as nicely on remote computers.1. Create a new deployment configuration
In the Tools->Deployment->Configurations click the small + in the top left corner. Pick a name and choose the SFTP type.
In the “Connection” Tab of the newly created configuration, make sure to uncheck “Visible only for this project”. Then, setup your host and login information. The root path is usually a central location you have access to, like your home folder. You can use the “Autodetect” button to set this up.
For my VM, the settings look like this.
On the “Mappings” Tab, set the deployment path for your project. This would be the specific folder of your project within the root you set on the previous page. Clicking the associated “…” button here helps, and even lets you create the target folder on the remote machine if it does not exist yet.2. Activate the upload
Now check “Tools->Deployment->Automatic Upload”. This will do an upload when you change a file, so you still need to do the initial upload manually via “Tools->Deployment->Upload to “.3. Create a project interpreter
Now the files are synced up, but the runtime environment is not on the remote machine. Go to the “Project Interpreter” page in File->Settings and click the little gear in the top-right corner. Select “Add Remote”.
It should have the Deployment configuration you just created already selected. Once you click ok, you’re good to go! You can run and debug your code just like on a local machine.
Have fun developing python applications remotely.
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