mirror of
https://github.com/pgadmin-org/pgadmin4.git
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134 lines
3.9 KiB
Python
134 lines
3.9 KiB
Python
##########################################################################
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#
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# pgAdmin 4 - PostgreSQL Tools
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#
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# Copyright (C) 2013 - 2016, The pgAdmin Development Team
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# This software is released under the PostgreSQL Licence
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#
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##########################################################################
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from collections import defaultdict
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from operator import attrgetter
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from flask import Blueprint
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from .paths import get_storage_directory
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from .preferences import Preferences
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class PgAdminModule(Blueprint):
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"""
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Base class for every PgAdmin Module.
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This class defines a set of method and attributes that
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every module should implement.
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"""
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def __init__(self, name, import_name, **kwargs):
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kwargs.setdefault('url_prefix', '/' + name)
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kwargs.setdefault('template_folder', 'templates')
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kwargs.setdefault('static_folder', 'static')
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self.submodules = []
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super(PgAdminModule, self).__init__(name, import_name, **kwargs)
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def create_module_preference():
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# Create preference for each module by default
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if hasattr(self, 'LABEL'):
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self.preference = Preferences(self.name, self.LABEL)
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else:
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self.preference = Preferences(self.name, None)
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self.register_preferences()
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# Create and register the module preference object and preferences for
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# it just before the first request
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self.before_app_first_request(create_module_preference)
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def register_preferences(self):
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pass
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def register(self, app, options, first_registration=False):
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"""
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Override the default register function to automagically register
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sub-modules at once.
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"""
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if first_registration:
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self.submodules = list(app.find_submodules(self.import_name))
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super(PgAdminModule, self).register(app, options, first_registration)
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for module in self.submodules:
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app.register_blueprint(module)
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def get_own_stylesheets(self):
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"""
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Returns:
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list: the stylesheets used by this module, not including any
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stylesheet needed by the submodules.
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"""
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return []
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def get_own_messages(self):
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"""
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Returns:
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dict: the i18n messages used by this module, not including any
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messages needed by the submodules.
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"""
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return dict()
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def get_own_javascripts(self):
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"""
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Returns:
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list: the javascripts used by this module, not including
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any script needed by the submodules.
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"""
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return []
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def get_own_menuitems(self):
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"""
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Returns:
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dict: the menuitems for this module, not including
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any needed from the submodules.
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"""
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return defaultdict(list)
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def get_panels(self):
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"""
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Returns:
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list: a list of panel objects to add
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"""
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return []
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@property
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def stylesheets(self):
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stylesheets = self.get_own_stylesheets()
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for module in self.submodules:
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stylesheets.extend(module.stylesheets)
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return stylesheets
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@property
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def messages(self):
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res = self.get_own_messages()
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for module in self.submodules:
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res.update(module.messages)
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return res
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@property
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def javascripts(self):
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javascripts = self.get_own_javascripts()
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for module in self.submodules:
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javascripts.extend(module.javascripts)
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return javascripts
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@property
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def menu_items(self):
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menu_items = self.get_own_menuitems()
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for module in self.submodules:
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for key, value in module.menu_items.items():
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menu_items[key].extend(value)
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menu_items = dict((key, sorted(value, key=attrgetter('priority')))
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for key, value in menu_items.items())
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return menu_items
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