--- a/pydertron.py	Thu Sep 10 14:07:13 2009 -0700
+++ b/pydertron.py	Thu Sep 10 14:27:28 2009 -0700
@@ -1,4 +1,3 @@
-import os
 import sys
 import threading
 import traceback
@@ -512,11 +511,35 @@
             stderr.write("%s\n" % e.exc_info[1])
         return retval
 
+class HttpFileSystem(object):
+    def __init__(self, base_url):
+        self.base_url = base_url
+
+    def find_module(self, curr_url, path):
+        import urlparse
+
+        if path.startswith("."):
+            base_url = curr_url
+        else:
+            base_url = self.base_url
+
+        url = "%s.js" % urlparse.urljoin(base_url, path)
+        if not url.startswith(self.base_url):
+            return None
+        return url
+
+    def open(self, url):
+        import urllib
+
+        return urllib.urlopen(url)
+
 class SandboxedFileSystem(object):
     def __init__(self, root_dir):
         self.root_dir = root_dir
 
     def find_module(self, curr_script, path):
+        import os
+
         if path.startswith("."):
             base_dir = os.path.dirname(curr_script)
         else:

--- a/test_pydertron.py	Thu Sep 10 14:07:13 2009 -0700
+++ b/test_pydertron.py	Thu Sep 10 14:27:28 2009 -0700
@@ -2,11 +2,11 @@
 import sys
 
 import pydermonkey
-from pydertron import JsSandbox, SandboxedFileSystem, jsexposed
+from pydertron import JsSandbox, jsexposed
+from pydertron import SandboxedFileSystem, HttpFileSystem
 
-def run_test(name, libpath):
-    sandbox = JsSandbox(SandboxedFileSystem(libpath))
-
+def run_test(name, fs):
+    sandbox = JsSandbox(fs)
     stats = {'pass': 0, 'fail': 0, 'info': 0}
 
     @jsexposed(name='print')
@@ -45,8 +45,12 @@
 
     totals = {'pass': 0, 'fail': 0}
 
+    BASE_URL = "http://interoperablejs.googlecode.com/svn/trunk/compliance/"
+
     for libpath, name in dirs:
-        stats = run_test(name, libpath)
+        #fs = HttpFileSystem("%s%s/"% (BASE_URL, name))
+        fs = SandboxedFileSystem(libpath)
+        stats = run_test(name, fs)
         totals['pass'] += stats['pass']
         totals['fail'] += stats['fail']