Split out the big chromite shell 'main.py' into lots of subfiles.

shell/subcmds/portage_cmds.py

Index: shell/subcmds/portage_cmds.py
diff --git a/shell/subcmds/portage_cmds.py b/shell/subcmds/portage_cmds.py
new file mode 100644
index 0000000000000000000000000000000000000000..f57774eb80c9a9503195ce913a3de37649aec89e
--- /dev/null
+++ b/shell/subcmds/portage_cmds.py
@@ -0,0 +1,56 @@
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Implementation of the various portage wrapper commands."""
+
+
+from chromite.shell import subcmd
+
+
+class EbuildCmd(subcmd.WrappedChrootCmd):
+  """Run ebuild."""
+
+  def __init__(self):
+    """EbuildCmd constructor."""
+    # Just call the WrappedChrootCmd superclass, which does most of the work.
+    super(EbuildCmd, self).__init__(
+        ['ebuild-%s'], ['ebuild'],
+        need_args=True
+    )
+
+
+class EmergeCmd(subcmd.WrappedChrootCmd):
+  """Run emerge."""
+
+  def __init__(self):
+    """EmergeCmd constructor."""
+    # Just call the WrappedChrootCmd superclass, which does most of the work.
+    super(EmergeCmd, self).__init__(
+        ['emerge-%s'], ['sudo', 'emerge'],
+        need_args=True
+    )
+
+
+class EqueryCmd(subcmd.WrappedChrootCmd):
+  """Run equery."""
+
+  def __init__(self):
+    """EqueryCmd constructor."""
+    # Just call the WrappedChrootCmd superclass, which does most of the work.
+    super(EqueryCmd, self).__init__(
+        ['equery-%s'], ['equery'],
+        need_args=True
+    )
+
+
+class PortageqCmd(subcmd.WrappedChrootCmd):
+  """Run portageq."""
+
+  def __init__(self):
+    """PortageqCmd constructor."""
+    # Just call the WrappedChrootCmd superclass, which does most of the work.
+    super(PortageqCmd, self).__init__(
+        ['portageq-%s'], ['portageq'],
+        need_args=True
+    )