diff options
Diffstat (limited to 'paste/util/thirdparty.py')
| -rw-r--r-- | paste/util/thirdparty.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/paste/util/thirdparty.py b/paste/util/thirdparty.py index 78eeadc..0883372 100644 --- a/paste/util/thirdparty.py +++ b/paste/util/thirdparty.py @@ -20,7 +20,15 @@ def load_new_module(module_name, python_version): if python_version > sys.version_info: if new_python_path not in sys.path: sys.path.append(new_python_path) - exec "import python.%s as generic_module" % module_name + try: + exec "import python.%s as generic_module" % module_name + except ImportError, e: + raise ImportError( + "Cannot load backported (from python version %s) " + "stdlib module %s; expected to find it in %s" + % ('.'.join(map(str, python_version)), + module_name, + os.path.join(new_python_path, 'python'))) else: exec "import %s as generic_module" % module_name return generic_module @@ -40,3 +48,8 @@ def add_package(package_name): path = os.path.join(third_party, '%s-files' % package_name) if os.path.exists(path): sys.path.append(path) + else: + raise ImportError( + "Cannot load the package %s; expected to find it in " + "%s. Have you run build-pkg.py?" + % (package_name, path)) |