Descriptions for the HappyFace project and paper that is too long to fit within the limits of the VL/HCC submission
- AST library (Python 2 | Python 3)
- Abstract Syntax Tree module that helps discover the grammar structure of Python 2 or 3 code.
- Full list of nodes located in section 32.2.2 for each library.
- Keywords (Python 2 | Python 3)
- Reserved Python 2 or 3 keywords such as
if,else,True, andFalse.
- Reserved Python 2 or 3 keywords such as
- Builtins (Python 2 | Python 3)
- Built-in objects for Python 2 or 3, including built-in functions (
abs(),len()), constants (True,False,None), and types like boolean operations (or,and,not), comparsion operations (<,>,is), and numeric types (int,float,complex).
- Built-in objects for Python 2 or 3, including built-in functions (
- Derived from De-anonymizing Programmers via Code Stylometry, Caliskan et al.
- We used the features present in tables 2, 3, and most features in table 4.
- Wordgrams extracted using regex to detect commonly used words in the code snippets.
- Ex. ThisWordGram becomes [This, Word, Gram].
- Wordgrams are extracted in hopes of discovering words associated with frustration.
- Obtained through user selection of affect on the HappyFace survey.
- Scores from 1 to 5 (happy to frustrated).
| Feature | Description |
|---|---|
| Frustration | Self-reported affect by programmer casting a vote on the HappyFace survey |
| Wordgrams | Frequency of specfic words occuring in source code |
| Each count of the following | Chars, underscores, tabs, spaces, and all whitespace in source code |
| Lines start with comment | Frequency of lines starting with a comment |
| Comments | Amount of individual comments |
| Empty lines | Frequency of completely empty lines |
| Line count | Amount of lines in the code snippet |
| Tab starts line | How many lines start with a tab character |
| Average line length | The average length of the lines of code, in chars |
| Std of line length | Standard deviation of line length of the source code |
| Python keywords | Total count of reserved keywords in the Python language |
| Python builtins | Total count of builtin objects (functions, constants, and types) in the Python language |
| Unique keywords | Count of unique keywords and builtins used |
| AST nodes | Count of each AST node present in code, extracted by parsing and traversing the AST |
| Errors | Specific errors that occur when code is parsed into AST |