mirror of
https://github.com/jellyfin/jellyfin-kodi.git
synced 2024-12-26 10:46:11 +00:00
166 lines
4.8 KiB
Python
166 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import division, absolute_import, print_function, unicode_literals
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##################################################################################################
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import json
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import os
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import sys
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from six import iteritems, ensure_text
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from helper import LazyLogger
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##################################################################################################
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LOG = LazyLogger(__name__)
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##################################################################################################
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class Objects(object):
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# Borg - multiple instances, shared state
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_shared_state = {}
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def __init__(self):
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''' Hold all persistent data here.
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'''
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self.__dict__ = self._shared_state
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def mapping(self):
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''' Load objects mapping.
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'''
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file_dir = os.path.dirname(ensure_text(__file__, sys.getfilesystemencoding()))
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with open(os.path.join(file_dir, 'obj_map.json')) as infile:
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self.objects = json.load(infile)
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def map(self, item, mapping_name):
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''' Syntax to traverse the item dictionary.
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This of the query almost as a url.
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Item is the Jellyfin item json object structure
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",": each element will be used as a fallback until a value is found.
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"?": split filters and key name from the query part, i.e. MediaSources/0?$Name
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"$": lead the key name with $. Only one key value can be requested per element.
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":": indicates it's a list of elements [], i.e. MediaSources/0/MediaStreams:?$Name
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MediaStreams is a list.
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"/": indicates where to go directly
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'''
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self.mapped_item = {}
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if not mapping_name:
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raise Exception("execute mapping() first")
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mapping = self.objects[mapping_name]
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for key, value in iteritems(mapping):
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self.mapped_item[key] = None
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params = value.split(',')
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for param in params:
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obj = item
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obj_param = param
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obj_key = ""
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obj_filters = {}
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if '?' in obj_param:
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if '$' in obj_param:
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obj_param, obj_key = obj_param.rsplit('$', 1)
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obj_param, filters = obj_param.rsplit('?', 1)
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if filters:
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for filter in filters.split('&'):
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filter_key, filter_value = filter.split('=')
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obj_filters[filter_key] = filter_value
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if ':' in obj_param:
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result = []
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for d in self.__recursiveloop__(obj, obj_param):
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if not obj_filters or self.__filters__(d, obj_filters):
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result.append(d)
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obj = result
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obj_filters = {}
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elif '/' in obj_param:
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obj = self.__recursive__(obj, obj_param)
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elif obj is item and obj is not None:
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obj = item.get(obj_param)
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if obj_filters and obj:
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if not self.__filters__(obj, obj_filters):
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obj = None
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if obj is None and len(params) != params.index(param):
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continue
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if obj_key:
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obj = [d[obj_key] for d in obj if d.get(obj_key)] if type(obj) == list else obj.get(obj_key)
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self.mapped_item[key] = obj
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break
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if not mapping_name.startswith('Browse') and not mapping_name.startswith('Artwork') and not mapping_name.startswith('UpNext'):
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self.mapped_item['ProviderName'] = self.objects.get('%sProviderName' % mapping_name)
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self.mapped_item['Checksum'] = json.dumps(item['UserData'])
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return self.mapped_item
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def __recursiveloop__(self, obj, keys):
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first, rest = keys.split(':', 1)
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obj = self.__recursive__(obj, first)
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if obj:
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if rest:
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for item in obj:
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self.__recursiveloop__(item, rest)
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else:
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for item in obj:
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yield item
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def __recursive__(self, obj, keys):
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for string in keys.split('/'):
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if not obj:
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return
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obj = obj[int(string)] if string.isdigit() else obj.get(string)
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return obj
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def __filters__(self, obj, filters):
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result = False
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for key, value in iteritems(filters):
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inverse = False
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if value.startswith('!'):
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inverse = True
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value = value.split('!', 1)[1]
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if value.lower() == "null":
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value = None
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result = obj.get(key) != value if inverse else obj.get(key) == value
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return result
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