Put the poper RAPI baserlib

Reviewed-by: imsnah

lib/rapi/baserlib.py

+#
+#
+
+# Copyright (C) 2006, 2007, 2008 Google Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+
+"""Remote API base resources library.
+
+"""
+
+import ganeti.cli
+import ganeti.opcodes
+
+
+def BuildUriList(ids, uri_format, uri_fields=("name", "uri")):
+  """Builds a URI list as used by index resources.
+
+  Args:
+  - ids: List of ids as strings
+  - uri_format: Format to be applied for URI
+  - uri_fields: Optional parameter for field ids
+
+  """
+  (field_id, field_uri) = uri_fields
+  
+  def _MapId(m_id):
+    return { field_id: m_id, field_uri: uri_format % m_id, }
+
+  # Make sure the result is sorted, makes it nicer to look at and simplifies
+  # unittests.
+  ids.sort()
+
+  return map(_MapId, ids)
+
+
+def ExtractField(sequence, index):
+  """Creates a list containing one column out of a list of lists.
+
+  Args:
+  - sequence: Sequence of lists
+  - index: Index of field
+
+  """
+  return map(lambda item: item[index], sequence)
+
+
+def MapFields(names, data):
+  """Maps two lists into one dictionary.
+
+  Args:
+  - names: Field names (list of strings)
+  - data: Field data (list)
+
+  Example:
+  >>> MapFields(["a", "b"], ["foo", 123])
+  {'a': 'foo', 'b': 123}
+
+  """
+  if len(names) != len(data):
+    raise AttributeError("Names and data must have the same length")
+  return dict([(names[i], data[i]) for i in range(len(names))])
+
+
+def _Tags_GET(kind, name=None):
+  """Helper function to retrieve tags.
+
+  """
+  if name is None:
+    # Do not cause "missing parameter" error, which happens if a parameter
+    # is None.
+    name = ""
+  op = ganeti.opcodes.OpGetTags(kind=kind, name=name)
+  tags = ganeti.cli.SubmitOpCode(op)
+  return list(tags)
+
+
+class R_Generic(object):
+  """Generic class for resources.
+
+  """
+  def __init__(self, request, items, queryargs):
+    """Generic resource constructor.
+
+    Args:
+      request: HTTPRequestHandler object
+      items: a list with variables encoded in the URL
+      queryargs: a dictionary with additional options from URL
+
+    """
+    self.request = request
+    self.items = items
+    self.queryargs = queryargs