add support for paths on py-env so that we can load local (sort of) scripts into the environment

pyscriptjs/src/components/pyenv.ts

@@ -1,7 +1,7 @@
 import * as jsyaml from 'js-yaml';
 
 import { pyodideLoaded, loadedEnvironments, mode, addInitializer } from '../stores';
-import { loadPackage } from '../interpreter';
+import { loadPackage, loadFromFile } from '../interpreter';
 
 // Premise used to connect to the first available pyodide interpreter
 let pyodideReadyPromise;
@@ -37,13 +37,36 @@ export class PyEnv extends HTMLElement {
     this.code = this.innerHTML;
     this.innerHTML = '';
 
-    let env = this.environment = jsyaml.load(this.code);
+    let env = [];
+    let paths = [];
+    this.environment = jsyaml.load(this.code);
+    for (let entry of this.environment) {
+      if (typeof entry == "string" ){
+        env.push(entry);
+      }
+      else if (entry.hasOwnProperty('paths')){
+        for (let path of entry.paths) {
+          paths.push(path);
+        }
+      }
+    }
+
     async function loadEnv() {
       let pyodide = await pyodideReadyPromise;
       await loadPackage(env, pyodide);
       console.log("enviroment loaded")
     }
+
+    async function loadPaths() {
+      let pyodide = await pyodideReadyPromise;
+      for (let singleFile of paths) {
+        await loadFromFile(singleFile, pyodide);
+      }
+      console.log("paths loaded")
+    }
     addInitializer(loadEnv);
+    addInitializer(loadPaths);
     console.log("enviroment loading...", env)
+
   }
 }