1 files changed, 131 insertions, 0 deletions
diff --git a/openstackclient/utils.py.dt b/openstackclient/utils.py.dt
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+++ b/openstackclient/utils.py.dt
@@ -0,0 +1,131 @@
+# Copyright 2011 OpenStack LLC.
+# All Rights Reserved
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+"""
+Utility functions for OpenStack Client
+"""
+
+import copy
+
+import prettytable
+
+#from novaclient import utils
+
+
+# lifted from glance/common/utils.py
+def bool_from_string(subject):
+    """
+    Interpret a string as a boolean.
+
+    Any string value in:
+        ('True', 'true', 'On', 'on', '1')
+    is interpreted as a boolean True.
+
+    Useful for JSON-decoded stuff and config file parsing
+    """
+    if isinstance(subject, bool):
+        return subject
+    elif isinstance(subject, int):
+        return subject == 1
+    if hasattr(subject, 'startswith'):  # str or unicode...
+        if subject.strip().lower() in ('true', 'on', '1'):
+            return True
+    return False
+
+
+# lifted from keystoneclient/base.py
+def getid(obj):
+    """
+    Abstracts the common pattern of allowing both an object or an object's ID
+    (UUID) as a parameter when dealing with relationships.
+    """
+
+    # Try to return the object's UUID first, if we have a UUID.
+    try:
+        if obj.uuid:
+            return obj.uuid
+    except AttributeError:
+        pass
+    try:
+        return obj.id
+    except AttributeError:
+        return obj
+
+
+def show_object(manager, id, fields=None):
+    """Check id, lookup object, display result fields"""
+    if not id:
+        print "no id specified"
+        return
+    obj = manager.get(id)
+    print_obj_fields(obj, fields)
+
+
+def print_obj_fields(obj, fields=[]):
+    """Print specified object fields"""
+    # Select the fields to print, then passthrough to novaclient
+    a = {name: getattr(obj, name, '') for name in fields}
+    utils.print_dict(a)
+
+
+def print_dict_fields(obj, fields=[]):
+    """Print specified object fields"""
+    # Select the fields to print, then passthrough to novaclient
+    a = {name: obj[name] for name in fields}
+    utils.print_dict(a)
+
+
+def print_dict_list(objs, fields, formatters={}):
+    """Print list of dicts"""
+    mixed_case_fields = []
+    pt = prettytable.PrettyTable([f for f in fields], caching=False)
+    pt.aligns = ['l' for f in fields]
+
+    for o in objs:
+        row = []
+        for field in fields:
+            if field in formatters:
+                row.append(formatters[field](o))
+            else:
+                if field in mixed_case_fields:
+                    field_name = field.replace(' ', '_')
+                else:
+                    field_name = field.lower().replace(' ', '_')
+                data = o[field_name]
+                row.append(data)
+        pt.add_row(row)
+
+    pt.printt(sortby=fields[0])
+
+
+def print_list(objs, fields, formatters={}):
+    """Print list of objects"""
+    # Passthrough to novaclient
+    utils.print_list(objs, fields, formatters=formatters)
+
+
+def expand_meta(objs, field):
+    """Expand metadata fields in an object"""
+    ret = []
+    for oldobj in objs:
+        newobj = copy.deepcopy(oldobj)
+        ex = getattr(newobj, field, {})
+        for f in ex.keys():
+            setattr(newobj, f, ex[f])
+        delattr(newobj, field)
+        ret.append(newobj)
+    return ret