Add ability for multiple compilers; add Python2

README.md

@@ -60,7 +60,7 @@ console.log(new Foo().bar);
 One of the following languages is set in `lang`.
 
 - `js` JavaScript (Node 10.14.2)
-- `py` Python (CPython 3.6.8)
+- `py` Python (CPython 3.6.8, CPython 2.7.15)
 - `hs` Haskell (GHC 8.4.3)
 - `pas` Pascal (FPC 3.0.4)
 - `go` Go (Go 1.12)
@@ -73,7 +73,7 @@ For JavaScript:
 - `harmony` enables harmony features (`--harmony` on node)
 
 For Python:
-- None
+- `2` runs Python 2 instead of Python 3
 
 For Haskell:
 - None
@@ -96,7 +96,7 @@ For JavaScript:
 - cheerio
 
 For Python:
-- numpy
+- numpy (Python 3 only)
 
 For Haskell:
 - GHC libraries

docker/python2/Dockerfile

@@ -0,0 +1,8 @@
+FROM alpine
+LABEL author="1Computer1"
+
+RUN apk update
+RUN apk add build-base python2
+
+COPY run.sh /var/run/
+WORKDIR /var/ws

docker/python2/run.sh

@@ -0,0 +1,2 @@
+echo "$1" > program.py
+python program.py

src/languages/python.js

@@ -4,9 +4,21 @@ class Python extends Language {
     constructor() {
         super('python', {
             highlight: 'py',
-            aliases: ['python', 'py']
+            aliases: ['python', 'py'],
+            loads: ['python', 'python2'],
+            options: {
+                2: () => ''
+            }
         });
     }
+
+    runWith(options) {
+        if (options.has('2')) {
+            return { id: 'python2', env: {} };
+        }
+
+        return { id: 'python', env: {} };
+    }
 }
 
 module.exports = Python;

src/struct/Language.js

@@ -5,12 +5,14 @@ class Language extends AkairoModule {
         category,
         highlight,
         aliases,
+        loads = [id],
         options = {}
     } = {}) {
         super(id, { category });
 
         this.highlight = highlight;
         this.aliases = aliases;
+        this.loads = loads;
         this.options = options;
     }
 

src/struct/LanguageHandler.js

@@ -51,9 +51,11 @@ class LanguageHandler extends AkairoHandler {
     }
 
     buildDocker() {
-        return Promise.all(this.modules.map(({ id }) => {
+        return Promise.all(this.modules.map(({ loads }) => {
-            const folder = path.join(__dirname, '../../docker', id);
+            return Promise.all(loads.map(name => {
-            return util.promisify(childProcess.exec)(`docker build -t "1computer1/comp_iler:${id}" ${folder}`);
+                const folder = path.join(__dirname, '../../docker', name);
+                return util.promisify(childProcess.exec)(`docker build -t "1computer1/comp_iler:${name}" ${folder}`);
+            }));
         }));
     }