Contributing Rules

Opening Issues

Feel free to open an issue to discuss any questions you have or ask about ideas for contributions
If you have an idea but don't want to code it up yourself, feel free to run it by us. We can implement it for you if you'd prefer, and we think it's useful - then we have to follow the rules and write the tests

Tips

There should be enough examples of each of these patterns in the code already, so 'cut, paste, adjust' is a good way to go about adding something
The goal of all of this is to be as Pythonic as we can, yet still provide all of the SAS functionality required
1. For example, we don't have a SASlibname object. This is on purpose because it just doesn't provide much in python and would just add extra 'SASisms' that aren't necessary. Added a datasets() method to the SASsession so you can see the tables for any libref, and a saslib method to assign a libref; that's about all you need. This is less SAS like and more Python like.

Regression Testing

Contributions must pass the existing regression tests located in saspy/tests

Unit test creation/update

Contributions must add unit tests to saspy/tests to validate the changes being added in the code
if there's already a test file where your tests would make sense; put them in there
if it's something new or you feel it needs its own file, create a new file

Consistent Architecture

contributions should follow the conventions of the saspy architecture
1. sasbase.py is the main module containing SASsession and SASdata objects
2. sasio*.py are the access method specific modules that sasbase calls through to
3. anything that can be common across access methods should be put in sasbase only
  1. if it just generates access method independent SAS code to submit, it goes here
4. anything that needs to be implemented differently in each access method module follows this:
  1. add entry in sasbase, and do any common checks or generation there
  2. call the access method specific code (should have common signatures/returns)
  3. return the same thing (object, results, ...) regardless of which io module was called

Adding methods

The existing conventions in the code provide the expected format.
All added methods must support the following attributes:
1. teach_me_sas :
  - can use the 'nosub' (no submit) attr.
  - If this is set, the method will return the generated code but not execute it.
2. batch :
  - the batch attr requires that you do not display results
  - in batch, results must be returned as an object/Dict so they can be processed by the user code.
3. results= (HTML attr of SASdata) :
  - Used for getting HTML results or TEXT results which is usually based upon whether the code is running in a notebook (Jupyter) or command line, or batch.

Adding PROCs

To add procs in the sasstat, sasets, sasqc, or sasml modules, follow the directions in the respective modules

Certificate of Origin

Contributions to this software are accepted only when they are properly accompanied by a Contributor Agreement.

The Contributor Agreement for this software is the Developer's Certificate of Origin 1.1 (DCO) as provided with and required for accepting contributions to the Linux kernel.

In each contribution proposed to be included in this software, the developer must include a "sign-off" that denotes consent to the terms of the Developer's Certificate of Origin. The sign-off is a line of text in the description that accompanies the change, certifying that you have the right to provide the contribution to be included. For changes provided in source code control (for example, via a Git pull request) the sign-off must be included in the commit message in source code control. For changes provided in email or issue tracking, the sign-off must be included in the email or the issue, and the sign-off will be incorporated into the permanent commit message if the contribution is accepted into the official source code.

If you can certify the below:

    Developer's Certificate of Origin 1.1

    By making a contribution to this project, I certify that:

    (a) The contribution was created in whole or in part by me and I
        have the right to submit it under the open source license
        indicated in the file; or

    (b) The contribution is based upon previous work that, to the best
        of my knowledge, is covered under an appropriate open source
        license and I have the right under that license to submit that
        work with modifications, whether created in whole or in part
        by me, under the same open source license (unless I am
        permitted to submit under a different license), as indicated
        in the file; or

    (c) The contribution was provided directly to me by some other
        person who certified (a), (b) or (c) and I have not modified
        it.

    (d) I understand and agree that this project and the contribution
        are public and that a record of the contribution (including all
        personal information I submit with it, including my sign-off) is
        maintained indefinitely and may be redistributed consistent with
        this project or the open source license(s) involved.

Then you just add a line like below, using your real name(sorry, no pseudonyms or anonymous contributions.)
```
  Signed-off-by: Random J Developer <random@developer.example.org>
```

And thanks for contributing! It will make this project better for everyone!

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