Checking valid package name / url

src/pyodide.js

@@ -20,6 +20,13 @@ var languagePluginLoader = new Promise((resolve, reject) => {
     let toLoad = new Set();
     while (queue.length) {
       const package = queue.pop();
+      var valid_package_name_regexp = new RegExp('^[a-zA-Z0-9_\-]+$');
+      console.log(package + valid_package_name_regexp.test(package));
+      if (!valid_package_name_regexp.test(package)) {
+          console.log(`Invalid package name '${package}'`);
+          break;
+      }
+
       if (!loadedPackages.has(package)) {
         toLoad.add(package);
         if (packages.hasOwnProperty(package)) {

test/conftest.py

@@ -50,7 +50,8 @@ class SeleniumWrapper:
 
     @property
     def logs(self):
-        return self.driver.execute_script("return window.logs")
+        logs = self.driver.execute_script("return window.logs")
+        return '\n'.join(str(x) for x in logs)
 
     def run(self, code):
         return self.run_js(
@@ -123,7 +124,7 @@ if pytest is not None:
         try:
             yield selenium
         finally:
-            print('\n'.join(str(x) for x in selenium.logs))
+            print(selenium.logs)
             selenium.driver.quit()
 
     @pytest.fixture(params=['firefox', 'chrome'], scope='module')