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Diffstat (limited to 'openstack/common/report/report.py')
| -rw-r--r-- | openstack/common/report/report.py | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/openstack/common/report/report.py b/openstack/common/report/report.py deleted file mode 100644 index 1eb937b5..00000000 --- a/openstack/common/report/report.py +++ /dev/null @@ -1,187 +0,0 @@ -# Copyright 2013 Red Hat, Inc. -# -# 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. - -"""Provides Report classes - -This module defines various classes representing reports and report sections. -All reports take the form of a report class containing various report -sections. -""" - -from openstack.common.report.views.text import header as header_views - - -class BasicReport(object): - """A Basic Report - - A Basic Report consists of a collection of :class:`ReportSection` - objects, each of which contains a top-level model and generator. - It collects these sections into a cohesive report which may then - be serialized by calling :func:`run`. - """ - - def __init__(self): - self.sections = [] - self._state = 0 - - def add_section(self, view, generator, index=None): - """Add a section to the report - - This method adds a section with the given view and - generator to the report. An index may be specified to - insert the section at a given location in the list; - If no index is specified, the section is appended to the - list. The view is called on the model which results from - the generator when the report is run. A generator is simply - a method or callable object which takes no arguments and - returns a :class:`openstack.common.report.models.base.ReportModel` - or similar object. - - :param view: the top-level view for the section - :param generator: the method or class which generates the model - :param index: the index at which to insert the section - (or None to append it) - :type index: int or None - """ - - if index is None: - self.sections.append(ReportSection(view, generator)) - else: - self.sections.insert(index, ReportSection(view, generator)) - - def run(self): - """Run the report - - This method runs the report, having each section generate - its data and serialize itself before joining the sections - together. The BasicReport accomplishes the joining - by joining the serialized sections together with newlines. - - :rtype: str - :returns: the serialized report - """ - - return "\n".join(str(sect) for sect in self.sections) - - -class ReportSection(object): - """A Report Section - - A report section contains a generator and a top-level view. When something - attempts to serialize the section by calling str() on it, the section runs - the generator and calls the view on the resulting model. - - .. seealso:: - - Class :class:`BasicReport` - :func:`BasicReport.add_section` - - :param view: the top-level view for this section - :param generator: the generator for this section - (any callable object which takes no parameters and returns a data model) - """ - - def __init__(self, view, generator): - self.view = view - self.generator = generator - - def __str__(self): - return self.view(self.generator()) - - -class ReportOfType(BasicReport): - """A Report of a Certain Type - - A ReportOfType has a predefined type associated with it. - This type is automatically propagated down to the each of - the sections upon serialization by wrapping the generator - for each section. - - .. seealso:: - - Class :class:`openstack.common.report.models.with_default_view.ModelWithDefaultView` # noqa - (the entire class) - - Class :class:`openstack.common.report.models.base.ReportModel` - :func:`openstack.common.report.models.base.ReportModel.set_current_view_type` # noqa - - :param str tp: the type of the report - """ - - def __init__(self, tp): - self.output_type = tp - super(ReportOfType, self).__init__() - - def add_section(self, view, generator, index=None): - def with_type(gen): - def newgen(): - res = gen() - try: - res.set_current_view_type(self.output_type) - except AttributeError: - pass - - return res - return newgen - - super(ReportOfType, self).add_section( - view, - with_type(generator), - index - ) - - -class TextReport(ReportOfType): - """A Human-Readable Text Report - - This class defines a report that is designed to be read by a human - being. It has nice section headers, and a formatted title. - - :param str name: the title of the report - """ - - def __init__(self, name): - super(TextReport, self).__init__('text') - self.name = name - # add a title with a generator that creates an empty result model - self.add_section(name, lambda: ('|' * 72) + "\n\n") - - def add_section(self, heading, generator, index=None): - """Add a section to the report - - This method adds a section with the given title, and - generator to the report. An index may be specified to - insert the section at a given location in the list; - If no index is specified, the section is appended to the - list. The view is called on the model which results from - the generator when the report is run. A generator is simply - a method or callable object which takes no arguments and - returns a :class:`openstack.common.report.models.base.ReportModel` - or similar object. - - The model is told to serialize as text (if possible) at serialization - time by wrapping the generator. The view model's attached view - (if any) is wrapped in a - :class:`openstack.common.report.views.text.header.TitledView` - - :param str heading: the title for the section - :param generator: the method or class which generates the model - :param index: the index at which to insert the section - (or None to append) - :type index: int or None - """ - - super(TextReport, self).add_section(header_views.TitledView(heading), - generator, - index) |