fc2446dfea
Moving use of mkdtemp, NamedTemporaryFile and TemporaryDirectory into its own class called Temporary: By default all temporary data is created below /var/tmp but can be changed via the global commandline option --temp-dir. This Fixes #1870
97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
# Copyright (c) 2015 SUSE Linux GmbH. All rights reserved.
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#
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# This file is part of kiwi.
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#
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# kiwi is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# kiwi is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with kiwi. If not, see <http://www.gnu.org/licenses/>
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#
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import json
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import os
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import logging
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# project
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from kiwi.utils.temporary import Temporary
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from kiwi.path import Path
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log = logging.getLogger('kiwi')
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class DataOutput:
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"""
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**Converts dict or list variables to a print friendly json format**
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Output controller for data dictionary. The class expects a
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python dict or list to hold the data to become displayed. So
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far the output format is set to json
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:param data: python dict or list which holds the data
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:type data: dict, list
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:param str style: output style could be either standard or color
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"""
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def __init__(self, data, style='standard'):
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self.data = data
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self.style = style
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self.color_json = Path.which('pjson')
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def display(self):
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"""
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Show data in json output format and selected style
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"""
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self._json()
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@staticmethod
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def display_file(filename, message=None):
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"""
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Show data from file
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"""
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if message:
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log.info(message)
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with open(filename) as data:
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print(data.read())
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def _json(self):
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"""
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Show data in json output format and selected style
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"""
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if self.style == 'color':
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if self.color_json:
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self._color_json()
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else:
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log.warning('pjson for color output not installed')
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log.warning('run: pip install pjson')
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self._standard_json()
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else:
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self._standard_json()
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def _standard_json(self):
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"""
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Show data in plain json output format without any highlighting
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"""
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print(
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json.dumps(
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self.data, sort_keys=True, indent=4, separators=(',', ': ')
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)
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)
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def _color_json(self):
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"""
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Show data in json output format with nice color highlighting
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"""
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out_file = Temporary().new_file()
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out_file.write(json.dumps(self.data, sort_keys=True).encode())
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out_file.flush()
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pjson_cmd = ''.join(
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['cat ', out_file.name, ' | pjson']
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)
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os.system(pjson_cmd)
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