--- a/setup.py	Fri May 24 14:26:57 2013 -0700
+++ b/setup.py	Tue Jun 18 15:58:35 2013 -0700
@@ -20,7 +20,6 @@
         'martINI',
         'netifaces',
         'pexpect',
-        'lxml',
       ],
       entry_points="""
       # -*- Entry points: -*-

--- a/silvermirror/hg.py	Fri May 24 14:26:57 2013 -0700
+++ b/silvermirror/hg.py	Tue Jun 18 15:58:35 2013 -0700
@@ -1,13 +1,20 @@
 #!/usr/bin/env python
+
 """
 stub for the hg backend of silvermirror
 """
 
-import lxml.html
-import mercurial
+try:
+    import lxml.html
+    import mercurial
+    from mercurial import commands, hg, ui
+    requirements_fulfilled = True
+except ImportError as e:
+    _import_error = e
+    requirements_fulfilled = False
+
 import os
 import sys
-from mercurial import commands, hg, ui
 from optparse import OptionParser
 
 def update(host, path):
@@ -16,7 +23,7 @@
     """
     _ui = ui.ui()
     url = '%s/%s' % (host, path)
-    try: 
+    try:
         repo = hg.repository(_ui, path)
         print 'Updating %s:' % path
     except Exception, e:
@@ -35,7 +42,7 @@
 #     ui = ui.ui()
 #     files = [ os.path.join(path, f) for f in os.listdir(path) ]
 #     directories = [ f for f in files if os.path.isdir(f) ]
-                    
+
 #     repos = []
 #     for d in directories:
 #         try: 
@@ -47,7 +54,7 @@
 
 def repositories(url):
     """
-    returns the list of reposotories under a URL of an hg server
+    returns the list of repositories under a URL of an hg server
     """
     element = lxml.html.parse(url)
     tds = element.xpath('//tr[position() > 1]/td[1]')
@@ -63,6 +70,9 @@
     parser.add_option('--list', dest='list',
                       action='store_true', default=False)
     options, args = parser.parse_args(args)
+    if not requirements_fulfilled:
+        # Hack; this should all be better o_O
+        parser.error("Must have mercurial and lxml packages to use, sorry")
     if not options.host:
         parser.print_usage()
         parser.exit()
@@ -82,7 +92,6 @@
     os.chdir(options.directory)
     for repo in repos:
         update(options.host, repo)
-    
 
 if __name__ == '__main__':
     main()