Adding non-setuptools check

plumbum/cli/i18n.py

@@ -1,21 +1,38 @@
+import os
 import gettext
-import pkg_resources
+
+# If not installed with setuptools, this might not be available
+try:
+    import pkg_resources
+except ImportError:
+    pkg_resources = None
+
 try:
     from typing import Tuple, List, Callable
 except ImportError:
     pass
 
+local_dir = os.path.basename(__file__)
+
 def get_translation_for(package_name): # type: (str) -> gettext.NullTranslations
-    'find and return gettext translation for package'
+    '''Find and return gettext translation for package
+    (Try to find folder manually if setuptools does not exist)
+    '''
+
     if '.' in package_name:
         package_name = '.'.join(package_name.split('.')[:-1])
     localedir = None
-    for localedir in pkg_resources.resource_filename(package_name, 'i18n'), None:
+
+    if pkg_resources is None:
+        mydir = os.path.join(local_dir, 'i18n')
+    else:
+        mydir = pkg_resources.resource_filename(package_name, 'i18n')
+
+    for localedir in mydir, None:
         localefile = gettext.find(package_name, localedir)
         if localefile:
             break
-    else:
-        pass
+
     return gettext.translation(package_name, localedir=localedir, fallback=True)