# HG changeset patch
# User Volker Kleinfeld <Volker.Kleinfeld@gmx.de>
# Date 1155221998 -7200
# Node ID 0171a54326214f9c509a64218567b83578801f92
# Parent  49988d9f07586e55b65175a00626e9a20db094f7
Support the demandload syntax "@" in packagescan

diff -r 49988d9f0758 -r 0171a5432621 mercurial/packagescan.py
--- a/mercurial/packagescan.py	Wed Aug 09 13:55:18 2006 -0500
+++ b/mercurial/packagescan.py	Thu Aug 10 16:59:58 2006 +0200
@@ -26,6 +26,7 @@
         foo            import foo
         foo bar        import foo, bar
         foo.bar        import foo.bar
+        foo@bar        import foo as bar
         foo:bar        from foo import bar
         foo:bar,quux   from foo import bar, quux
         foo.bar:quux   from foo.bar import quux"""
@@ -38,6 +39,9 @@
         except:
             module = m
             fromlist = []
+        as = None
+        if '@' in module:
+            module, as = module.split("@")
         mod = __import__(module, scope, scope, fromlist)
         if fromlist == []:
             # mod is only the top package, but we need all packages
@@ -46,7 +50,9 @@
             mn = comp[0]
             while True:
                 # mn and mod.__name__ might not be the same
-                scope[mn] = mod
+                if not as:
+                    as = mn
+                scope[as] = mod
                 requiredmodules[mod.__name__] = 1
                 if len(comp) == i: break
                 mod = getattr(mod,comp[i])