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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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# Copyright (c) 2017 Adam.Dybbroe |
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# Author(s): |
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# Adam.Dybbroe <[email protected]> |
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# This program 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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# This program 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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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""Pyhspectral configuration directory and file handling |
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""" |
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import logging |
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import os |
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import yaml |
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from collections import Mapping |
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import pkg_resources |
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LOG = logging.getLogger(__name__) |
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BUILTIN_CONFIG_FILE = pkg_resources.resource_filename(__name__, |
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os.path.join('etc', 'pyspectral.yaml')) |
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CONFIG_FILE = os.environ.get('PSP_CONFIG_FILE') |
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if CONFIG_FILE is not None and (not os.path.exists(CONFIG_FILE) or |
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not os.path.isfile(CONFIG_FILE)): |
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raise IOError(str(CONFIG_FILE) + " pointed to by the environment " + |
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"variable PSP_CONFIG_FILE is not a file or does not exist!") |
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def recursive_dict_update(d, u): |
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"""Recursive dictionary update using |
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Copied from: |
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http://stackoverflow.com/questions/3232943/update-value-of-a-nested-dictionary-of-varying-depth |
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""" |
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for k, v in u.items(): |
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if isinstance(v, Mapping): |
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r = recursive_dict_update(d.get(k, {}), v) |
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d[k] = r |
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else: |
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d[k] = u[k] |
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return d |
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def get_config(): |
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"""Get the configuration from file""" |
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if CONFIG_FILE is not None: |
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configfile = CONFIG_FILE |
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else: |
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configfile = BUILTIN_CONFIG_FILE |
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config = {} |
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with open(configfile, 'r') as fp_: |
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config = recursive_dict_update(config, yaml.load(fp_)) |
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return config |
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pytroll /
pyspectral
