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import logging |
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from flask_admin import Admin |
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from groundwork_database.patterns import GwSqlPattern |
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from groundwork_web.patterns import GwWebPattern |
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from groundwork_web.patterns.gw_web_db_admin_pattern.exceptions import FlaskNotFoundException |
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class GwWebDbAdminPattern(GwWebPattern, GwSqlPattern): |
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""" |
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Provides Views to create, read, update and delete database tables content. |
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Based on `Flask-Admin <https://flask-admin.readthedocs.io/en/latest/>`_ |
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""" |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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if not hasattr(self.app.web, "db"): |
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self.app.web.db = WebDatabaseApplication(self.app) |
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#: Instance of :class:`~.WebDatabasePlugin`. |
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#: Provides functions to manage web based objects |
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self.web.db = WebDatabasePlugin(self) |
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class WebDatabasePlugin: |
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def __init__(self, plugin): |
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self.plugin = plugin |
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self.app = plugin.app |
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self.log = plugin.log |
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# Let's register a receiver, which cares about the deactivation process of web_databases for this plugin. |
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# We do it after the original plugin deactivation, so we can be sure that the registered function is the last |
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# one which cares about web_databases for this plugin. |
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self.plugin.signals.connect(receiver="%s_web_db_deactivation" % self.plugin.name, |
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signal="plugin_deactivate_post", |
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function=self.__deactivate_web_db, |
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description="Deactivates web databases for %s" % self.plugin.name, |
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sender=self.plugin) |
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self.log.debug("Pattern web database initialised") |
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def register(self): |
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pass |
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def unregister(self): |
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pass |
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def get(self): |
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# REALLY needed? |
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pass |
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def __deactivate_web_db(self, plugin, *args, **kwargs): |
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pass |
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class WebDatabaseApplication: |
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def __init__(self, app): |
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self.app = app |
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self.log = logging.getLogger(__name__) |
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self._flask_provider = None |
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self._flask_admin = None |
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def register(self): |
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# We must initialise the Flask-Admin class. |
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# This can not be done during pattern initialisation, because Flask gets loaded and configured during |
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# activation phase. So during initialisation it is not available. |
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# |
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if self._flask_provider is None: |
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flask_provider = self.app.web.providers.get("flask") |
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if flask_provider is None: |
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raise FlaskNotFoundException("A Flask-Provider must be loaded. Please make sure plugin " |
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"GwWebFlask got already loaded") |
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self._flask_provider = flask_provider |
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self._flask_admin = Admin(self._flask_provider.flask_app, name=self.app.name, template_mode='bootstrap3') |
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def unregister(self): |
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pass |
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def get(self): |
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# REALLY needed? |
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pass |
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90
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useblocks /
groundwork-web
