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""" |
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byceps.config |
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~~~~~~~~~~~~~ |
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:Copyright: 2006-2019 Jochen Kupperschmidt |
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:License: Modified BSD, see LICENSE for details. |
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""" |
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from enum import Enum |
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from flask import current_app |
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EXTENSION_KEY = 'byceps_config' |
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KEY_SITE_MODE = 'site_mode' |
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KEY_SITE_ID = 'site_id' |
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SiteMode = Enum('SiteMode', ['public', 'admin']) |
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SiteMode.is_admin = lambda self: self == SiteMode.admin |
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SiteMode.is_public = lambda self: self == SiteMode.public |
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class ConfigurationError(Exception): |
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pass |
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def init_app(app): |
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app.extensions[EXTENSION_KEY] = {} |
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site_mode = _determine_site_mode(app) |
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update_extension_value(app, KEY_SITE_MODE, site_mode) |
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if site_mode.is_public(): |
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site_id = _determine_site_id(app) |
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update_extension_value(app, KEY_SITE_ID, site_id) |
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def update_extension_value(app, key, value): |
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"""Set/replace the value value for the key in this application's |
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own extension namespace. |
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""" |
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app.extensions[EXTENSION_KEY][key] = value |
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# -------------------------------------------------------------------- # |
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# site mode |
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def _determine_site_mode(app): |
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value = app.config.get('SITE_MODE') |
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if value is None: |
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raise ConfigurationError('No site mode configured.') |
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try: |
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return SiteMode[value] |
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except KeyError: |
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raise ConfigurationError(f'Invalid site mode "{value}" configured.') |
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def get_site_mode(app=None): |
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"""Return the mode the site should run in.""" |
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return _get_config_dict(app)[KEY_SITE_MODE] |
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# -------------------------------------------------------------------- # |
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# site ID |
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def _determine_site_id(app): |
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site_id = app.config.get('SITE_ID') |
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if site_id is None: |
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raise ConfigurationError('No site ID configured.') |
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return site_id |
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def get_current_site_id(app=None): |
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"""Return the id of the current site.""" |
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return _get_config_dict(app)[KEY_SITE_ID] |
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# -------------------------------------------------------------------- # |
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def _get_config_dict(app=None): |
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if app is None: |
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app = current_app |
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return app.extensions[EXTENSION_KEY] |
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byceps /
byceps
