mirror of http://localhost:9400/cloud/cms
Steve Nyemba
7 months ago
parent
541ae469f6
commit
06754b9a57
@ -0,0 +1,435 @@
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import json
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import os
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import io
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import copy
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from cms import disk, cloud
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from jinja2 import Environment, BaseLoader, FileSystemLoader
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import importlib
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import importlib.util
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class Initializer :
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"""
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This class handles initialization of all sorts associated with "cms engine"
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:path
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:location
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:shared
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"""
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def __init__(self,**_args):
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self._config = {'system':{},'layout':{},'plugins':{}}
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self._shared = False if not 'shared' in _args else _args['shared']
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self._location= _args['location'] if 'location' in _args else None
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self._menu = {}
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# _source = self._config ['system']['source'] if 'source' in self._config['system'] else {}
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# self._ISCLOUD = 'source' in self._config['system'] and self._config['system']['source']['id'] == 'cloud'
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# print ([self._ISCLOUD,self._config['system'].keys()])
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self._ISCLOUD = False
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self._caller = None if 'caller' not in _args else _args['caller']
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#
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# actual initialization of the CMS components
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# self._iconfig(**_args)
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# self._uconfig(**_args)
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# self._isource()
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# self._imenu()
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# self._iplugins()
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self._args = _args
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self.reload()
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def reload(self):
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self._iconfig(**self._args)
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self._uconfig(**self._args)
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self._isource()
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self._imenu()
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self._iplugins()
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# self._ISCLOUD = 'source' in self._config['system'] and self._config['system']['source']['id'] == 'cloud'
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def _handler (self):
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"""
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This function returns the appropriate handler to the calling code, The handler enables read/write from a location
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"""
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if self._ISCLOUD: #'source' in self._config['system'] and self._config['system']['source']['id'] == 'cloud' :
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return cloud
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else:
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return disk
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def _imenu(self,**_args) :
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pass
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def _iplugins(self,**_args) :
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"""
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Initialize plugins from disk (always)
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:plugins
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"""
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_config = self._config
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PATH= os.sep.join([_config['layout']['root'],'_plugins'])
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# if not os.path.exists(PATH) :
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# #
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# # we need to determin if there's an existing
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# print ([' **** ',PATH])
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# PATH = os.sep.join(self._path.split(os.sep)[:-1]+ [PATH] )
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if not os.path.exists(PATH) and self._location and os.path.exists(self._location) :
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#
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# overriding the location of plugins ...
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if os.path.isfile(self._location) :
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_location = os.sep.join(self._location.split(os.sep)[:-1])
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else:
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_location = self._location
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PATH = os.sep.join([_location, _config['layout']['root'],'_plugins'])
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_map = {}
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# if not os.path.exists(PATH) :
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# return _map
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if 'plugins' not in _config :
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_config['plugins'] = {}
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_conf = _config['plugins']
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for _key in _conf :
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_path = os.sep.join([PATH,_key+".py"])
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if not os.path.exists(_path):
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continue
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for _name in _conf[_key] :
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_pointer = disk.plugins(path=_path,name=_name)
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if _pointer :
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_uri = "/".join(["api",_key,_name])
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_map[_uri] = _pointer
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#
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# We are adding some source specific plugins to the user-defined plugins
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# This is intended to have out-of the box plugins...
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#
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if self._ISCLOUD :
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_plugins = cloud.plugins()
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else:
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_plugins = disk.plugins()
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#
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# If there are any plugins found, we should load them and use them
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if _plugins :
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_map = dict(_map,**_plugins)
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else:
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pass
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self._plugins = _map
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self._config['plugins'] = self._plugins
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def _isource (self):
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"""
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Initializing the source of the data, so we can read/write load from anywhere
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"""
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if 'source' not in self._config['system'] :
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return
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#
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#
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self._ISCLOUD = 'source' in self._config['system'] and self._config['system']['source']['id'] == 'cloud'
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_source = self._config['system']['source']
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if 'key' in _source :
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#
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_path = _source['key']
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if os.path.exists(_path) :
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f = open(_path)
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_source['key'] = f.read()
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f.close()
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self._config['system']['source'] = _source
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def _ilayout(self,**_args):
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"""
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Initialization of the layout section (should only happen if ) being called via framework
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:path path to the dependent apps
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"""
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_layout = self._config['layout']
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_path = os.sep.join(_args['path'].split(os.sep)[:-1])
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#
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# find the new root and the one associated with the dependent app
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#
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pass
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def _imenu(self,**_args):
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_gshandler = self._handler()
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_object = _gshandler.build(self._config) #-- this will build the menu
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#
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# post-processing menu, overwrite items and behaviors
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#
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_layout = copy.deepcopy(self._config['layout'])
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_overwrite = _layout['overwrite'] if 'overwrite' in _layout else {}
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for _name in _object :
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_submenu = _object[_name]
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_index = 0
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for _item in _submenu :
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text = _item['text'].strip()
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if text in _overwrite :
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if 'uri' in _item and 'url' in _overwrite[text] :
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del _item['uri']
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_item = dict(_item,**_overwrite[text])
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if 'uri' in _item and 'type' in _item and _item['type'] != 'open':
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_item['uri'] = _item['uri'] #.replace(_layout['root'],'')
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# _item['uri'] = _gshandler._format(_item['uri'],self._config)
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_submenu[_index] = _item
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_index += 1
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#
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# updating menu _items as it relates to apps, configuration and the order in which they appear
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#
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_layout['menu'] = _object
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self._menu = _object
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self._config['layout'] = _layout
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self._iapps()
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self._iorder()
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pass
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def _iorder (self):
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_config = self._config
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if 'order' in _config['layout'] and 'menu' in _config['layout']['order']:
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_sortedmenu = {}
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_menu = self._menu
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for _name in _config['layout']['order']['menu'] :
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if _name in _menu :
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_sortedmenu[_name] = _menu[_name]
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_menu = _sortedmenu if _sortedmenu else _menu
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#
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# If there are missing items in the sorting
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_missing = list(set(self._menu.keys()) - set(_sortedmenu))
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if _missing :
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for _name in _missing :
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_menu[_name] = self._menu[_name]
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_config['layout']['menu'] = _menu #cms.components.menu(_config)
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self._menu = _menu
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self._config = _config
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def _iapps (self):
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"""
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Initializing dependent applications into a menu area if need be
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"""
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_layout = self._config['layout']
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_menu = _layout['menu'] if 'menu' in _layout else {}
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_system = self._config['system']
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_context= _system['context']
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if 'routes' in _system :
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# _items = []
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_overwrite = {} if 'overwrite' not in self._config['layout'] else self._config['layout']['overwrite']
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for _text in _system['routes'] :
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_item = _system['routes'][_text]
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if 'menu' not in _item :
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continue
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uri = f'{_context}/{_text}'
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# _items.append ({"text":_text,'uri':uri,'type':'open'})
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_label = _item['menu']
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if _label not in _menu :
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_menu [_label] = []
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_menu[_label].append ({"text":_text,'uri':uri,'type':'open'})
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#
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# update the menu items and the configuration
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#
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_layout['menu'] = _menu
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self._config['layout'] = _layout
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def _ilogo(self):
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_gshandler = self._handler()
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pass
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def _iconfig(self,**_args):
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"""
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Implement this in a base class
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:path or uri
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"""
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raise Exception ("Configuration Initialization is NOT implemented")
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def _uconfig(self,**_args):
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"""
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This file will update the configuration provided the CMS is run in shared mode (framework level)
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"""
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if not self._location :
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return ;
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_path = os.sep.join(self._location.split(os.sep)[:-1])
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_layout = self._config['layout']
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_oroot = _layout['root']
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_orw = _layout['overwrite']
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_index = _layout['index']
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_newpath = os.sep.join([_path,_oroot])
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self._config['system']['portal'] = self._caller != None
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if self._caller :
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#
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self._config['system']['caller'] = {'icon':'/caller/main/' + self._caller.system()['icon']}
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# self._config['system']['caller'] = {'icon': self._caller.icon()}
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if os.path.exists(_newpath) and not self._ISCLOUD:
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#
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# LOG: rewrite due to the mode in which the site is being run
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#
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_api = 'api/disk/read?uri='+_oroot
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_stream = json.dumps(self._config)
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_stream = _stream.replace(_oroot,_api)
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# self._config = json.loads(_stream)
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self._config['layout']['root'] = _oroot
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# self._config['layout']['overwrite'] = _orw
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#
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# We need to update the logo/icon
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_logo = self._config['system']['logo']
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if self._ISCLOUD:
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_icon = f'/api/cloud/download?doc=/{_logo}'
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else:
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_icon = f'api/disk/read?uri={_logo}'
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if disk.exists(uri=_logo,config=self._config):
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_icon = _logo
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if self._location :
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self._config['layout']['location'] = _path
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self._config['system']['icon'] = _icon
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self._config['system']['logo'] = _logo
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# self.set('layout.root',os.sep.join([_path,_oroot]))
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pass
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class Accessor (Initializer):
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"""
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This is a basic structure for an application working in either portal or app mode
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"""
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def __init__(self,**_args):
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super().__init__(**_args)
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pass
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def _iconfig(self, **_args):
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"""
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initialization of the configuration file i.e loading the files and having a baseline workable structure
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:path|stream path of the configuration file
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or stream of JSON configuration file
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"""
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if 'path' in _args :
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f = open(_args['path'])
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self._config = json.loads(f.read())
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f.close()
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elif 'stream' in _args :
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_stream = _args['stream']
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if type(_stream) == 'str' :
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self._config = json.loads(_stream)
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elif type(_stream) == io.StringIO :
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self._config = json.loads( _stream.read())
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self._ISCLOUD = 'source' in self._config['system'] and self._config['system']['source']['id'] == 'cloud'
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#
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#
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# self._name = self._config['system']['name'] if 'name' in self._config['system'] else _args['name']
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def system (self,skip=[]):
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"""
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This function returns system attributes without specific components
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"""
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_data = copy.deepcopy(self._config['system'])
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exclude = skip
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_system = {}
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if exclude and _system:
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for key in _data.keys() :
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if key not in exclude :
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_system[key] = _data[key]
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else:
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_system= _data
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return _system
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def layout (self):
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return copy.copy(self._config['layout'])
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def plugins (self):
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return copy.copy(self._config['plugins'])
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def config (self):
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return copy.copy(self._config)
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def app(self):
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_system = self.system()
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return _system['app']
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def set(self,key,value):
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"""
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This function will update/set an attribute with a given value
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:key
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"""
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_keys = key.split('.')
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_found = 0
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if _keys[0] in self._config :
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_object = self._config[_keys[0]]
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for _akey in _object.keys() :
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if _akey == _keys[-1] :
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_object[_akey] = value
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_found = 1
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break
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#
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#
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return _found
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#
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class MicroService (Accessor):
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"""
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This is a CMS MicroService class that is capable of initializing a site and exposing accessor functions
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"""
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def __init__(self,**_args):
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super().__init__(**_args)
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def format(_content,mimetype):
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pass
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def html (self,uri, id) :
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_system = self.system()
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_gshandler = self._handler()
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#
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#@TODO:
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# The uri here must be properly formatted, We need to define the conditions for this
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#
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_html = _gshandler.html(uri,self._config)
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return " ".join([f'<div id="{id}" > ',_html, '</div>'])
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def context(self):
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return Environment(loader=BaseLoader())
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def data (self,**_args):
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request = _args['request']
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def icon (self):
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_handler = self._handler()
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_uri = self.system()['icon']
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return _handler.read(uri=_uri,config=self._config)
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class CMS:
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def __init__(self,**_args) :
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# _app = Getter (path = path)
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# _void = MicroService()
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_app = MicroService (**_args)
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self._id = 'main'
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# _app.load()
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self._apps = {}
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_system = _app.system()
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if 'routes' in _system :
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_system = _system['routes']
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for _name in _system :
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_path = _system[_name]['path']
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self._apps[_name] = MicroService(context=_name,path=_path,caller=_app,location=_path)
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self._apps['main'] = _app
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#
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# The following are just a simple delegation pattern (it makes the calling code simpler)
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#
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def config (self):
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return self.get().config()
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def render(self,_uri,_id):
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_handler = self.get()
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_config = _handler.config()
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_args = {'layout':_handler.layout()}
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if 'plugins' in _config:
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_args['routes'] = _config['plugins']
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_html = _handler.html(_uri,_id)
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_args['system'] = _handler.system(skip=['source','app'])
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e = Environment(loader=BaseLoader()).from_string(_html)
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_args[_id] = str(e.render(**_args)) #,_args
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return _args
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def set(self,_id):
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self._id = _id
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def get(self):
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return self._apps['main'] if self._id not in self._apps else self._apps[self._id]
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def get_main(self):
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return self._apps['main']
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