1 files changed, 118 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/display.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/display.py
new file mode 100644
index 0000000..0c69352
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+++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/cliff-2.4.0-py2.7.egg/cliff/display.py
@@ -0,0 +1,118 @@
+#  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.
+
+"""Application base class for displaying data.
+"""
+import abc
+from itertools import compress
+
+import six
+import stevedore
+
+from . import command
+
+
+@six.add_metaclass(abc.ABCMeta)
+class DisplayCommandBase(command.Command):
+    """Command base class for displaying data about a single object.
+    """
+
+    def __init__(self, app, app_args, cmd_name=None):
+        super(DisplayCommandBase, self).__init__(app, app_args,
+                                                 cmd_name=cmd_name)
+        self._formatter_plugins = self._load_formatter_plugins()
+
+    @abc.abstractproperty
+    def formatter_namespace(self):
+        "String specifying the namespace to use for loading formatter plugins."
+
+    @abc.abstractproperty
+    def formatter_default(self):
+        "String specifying the name of the default formatter."
+
+    def _load_formatter_plugins(self):
+        # Here so tests can override
+        return stevedore.ExtensionManager(
+            self.formatter_namespace,
+            invoke_on_load=True,
+        )
+
+    def get_parser(self, prog_name):
+        parser = super(DisplayCommandBase, self).get_parser(prog_name)
+        formatter_group = parser.add_argument_group(
+            title='output formatters',
+            description='output formatter options',
+        )
+        formatter_choices = sorted(self._formatter_plugins.names())
+        formatter_default = self.formatter_default
+        if formatter_default not in formatter_choices:
+            formatter_default = formatter_choices[0]
+        formatter_group.add_argument(
+            '-f', '--format',
+            dest='formatter',
+            action='store',
+            choices=formatter_choices,
+            default=formatter_default,
+            help='the output format, defaults to %s' % formatter_default,
+        )
+        formatter_group.add_argument(
+            '-c', '--column',
+            action='append',
+            default=[],
+            dest='columns',
+            metavar='COLUMN',
+            help='specify the column(s) to include, can be repeated',
+        )
+        for formatter in self._formatter_plugins:
+            formatter.obj.add_argument_group(parser)
+        return parser
+
+    @abc.abstractmethod
+    def produce_output(self, parsed_args, column_names, data):
+        """Use the formatter to generate the output.
+
+        :param parsed_args: argparse.Namespace instance with argument values
+        :param column_names: sequence of strings containing names
+                             of output columns
+        :param data: iterable with values matching the column names
+        """
+
+    def _generate_columns_and_selector(self, parsed_args, column_names):
+        """Generate included columns and selector according to parsed args.
+
+        :param parsed_args: argparse.Namespace instance with argument values
+        :param column_names: sequence of strings containing names
+                             of output columns
+        """
+        if not parsed_args.columns:
+            columns_to_include = column_names
+            selector = None
+        else:
+            columns_to_include = [c for c in column_names
+                                  if c in parsed_args.columns]
+            if not columns_to_include:
+                raise ValueError('No recognized column names in %s' %
+                                 str(parsed_args.columns))
+            # Set up argument to compress()
+            selector = [(c in columns_to_include)
+                        for c in column_names]
+        return columns_to_include, selector
+
+    def run(self, parsed_args):
+        self.formatter = self._formatter_plugins[parsed_args.formatter].obj
+        column_names, data = self.take_action(parsed_args)
+        self.produce_output(parsed_args, column_names, data)
+        return 0
+
+    @staticmethod
+    def _compress_iterable(iterable, selectors):
+        return compress(iterable, selectors)