feat: start
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@ -107,7 +107,7 @@ print(only_smile)
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c = Collection([Song(title="hi"), Song(title="hi2"), Song(title="hi3")])
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c1 = Collection([Song(title="he"), Song(title="hi5")])
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c11 = Collection([Song(title="wow how ultra subby")])
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c11 = Collection([Song(title="wow how ultra subby"),Song(title="wow how ultra subby")])
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c2 = Collection([Song(title="heeee")])
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b = Collection([Song(title="some b"), Song(title="other b")])
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@ -1,221 +1,151 @@
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from typing import List, Iterable, Dict, TypeVar, Generic, Iterator
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from typing import List, Iterable, Iterator, Optional, TypeVar, Generic, Dict, Type
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from collections import defaultdict
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from dataclasses import dataclass
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from .parents import DatabaseObject
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from ..utils.hooks import HookEventTypes, Hooks, Event
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class CollectionHooks(HookEventTypes):
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APPEND_NEW = "append_new"
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from ..utils.support_classes.hacking import MetaClass
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T = TypeVar('T', bound=DatabaseObject)
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@dataclass
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class AppendResult:
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was_in_collection: bool
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current_element: DatabaseObject
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was_the_same: bool
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class Collection(Generic[T]):
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"""
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This a class for the iterables
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like tracklist or discography
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"""
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class Collection(Generic[T], metaclass=MetaClass):
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_data: List[T]
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_by_url: dict
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_by_attribute: dict
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_indexed_values: Dict[str, set]
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_indexed_to_objects: Dict[any, list]
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def __init__(self, data: List[T] = None, element_type=None, *args, **kwargs) -> None:
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# Attribute needs to point to
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self.element_type = element_type
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shallow_list = property(fget=lambda self: self.data)
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self._data: List[T] = list()
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def __init__(
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self, data: Optional[Iterable[T]],
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sync_on_append: Dict[str, Collection] = None,
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contain_given_in_attribute: Dict[str, Collection] = None,
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contain_attribute_in_given: Dict[str, Collection] = None,
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append_object_to_attribute: Dict[str, DatabaseObject] = None
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) -> None:
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self._data = []
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self.upper_collections: List[Collection[T]] = []
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self.contained_collections: List[Collection[T]] = []
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"""
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example of attribute_to_object_map
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the song objects are references pointing to objects
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in _data
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# List of collection attributes that should be modified on append
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# Key: collection attribute (str) of appended element
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# Value: main collection to sync to
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self.sync_on_append: Dict[str, Collection] = sync_on_append or {}
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self.contain_given_in_attribute: Dict[str, Collection] = contain_given_in_attribute or {}
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self.contain_attribute_in_given: Dict[str, Collection] = contain_given_in_attribute or {}
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self.append_object_to_attribute: Dict[str, DatabaseObject] = append_object_to_attribute or {}
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```python
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{
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'id': {323: song_1, 563: song_2, 666: song_3},
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'url': {'www.song_2.com': song_2}
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}
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```
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"""
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self._attribute_to_object_map: Dict[str, Dict[object, T]] = defaultdict(dict)
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self._used_ids: set = set()
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self.contain_self_on_append: List[str] = []
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self.hooks: Hooks = Hooks(self)
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self._indexed_values = defaultdict(set)
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self._indexed_to_objects = defaultdict(list)
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if data is not None:
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self.extend(data, merge_on_conflict=True)
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self.extend(data)
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def sort(self, reverse: bool = False, **kwargs):
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self._data.sort(reverse=reverse, **kwargs)
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def map_element(self, element: T):
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for name, value in element.indexing_values:
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def _map_element(self, __object: T):
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for name, value in __object.indexing_values:
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if value is None:
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continue
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self._attribute_to_object_map[name][value] = element
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self._indexed_values[name].add(value)
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self._indexed_to_objects[value].append(__object)
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self._used_ids.add(element.id)
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def unmap_element(self, element: T):
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for name, value in element.indexing_values:
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def _unmap_element(self, __object: T):
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for name, value in __object.indexing_values:
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if value is None:
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continue
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if value not in self._indexed_values[name]:
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continue
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if value in self._attribute_to_object_map[name]:
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if element is self._attribute_to_object_map[name][value]:
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try:
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self._attribute_to_object_map[name].pop(value)
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except KeyError:
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pass
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try:
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self._indexed_to_objects[value].remove(__object)
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except ValueError:
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continue
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def append(self, element: T, merge_on_conflict: bool = True,
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merge_into_existing: bool = True, no_hook: bool = False) -> AppendResult:
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if not len(self._indexed_to_objects[value]):
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self._indexed_values[name].remove(value)
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def _contained_in_self(self, __object: T) -> bool:
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for name, value in __object.indexing_values:
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if value is None:
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continue
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if value in self._indexed_values[name]:
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return True
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return False
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def _contained_in(self, __object: T) -> Optional["Collection"]:
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if self._contained_in_self(__object):
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return self
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for collection in self.contained_collections:
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if collection._contained_in_self(__object):
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return collection
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return None
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def contains(self, __object: T) -> bool:
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return self._contained_in(__object) is not None
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def _append(self, __object: T):
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self._map_element(__object)
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self._data.append(__object)
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def append(self, __object: Optional[T]):
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if __object is None:
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return
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self._append(__object)
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def extend(self, __iterable: Optional[Iterable[T]]):
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if __iterable is None:
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return
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for __object in __iterable:
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self.append(__object)
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def sync_with_other_collection(self, equal_collection: "Collection"):
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"""
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:param element:
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:param merge_on_conflict:
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:param merge_into_existing:
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:return did_not_exist:
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If two collections always need to have the same values, this can be used.
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Internally:
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1. import the data from other to self
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- _data
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- contained_collections
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2. replace all refs from the other object, with refs from this object
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"""
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if element is None:
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return AppendResult(False, None, False)
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for existing_element in self._data:
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if element is existing_element:
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return AppendResult(False, None, False)
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# if the element type has been defined in the initializer it checks if the type matches
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if self.element_type is not None and not isinstance(element, self.element_type):
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raise TypeError(f"{type(element)} is not the set type {self.element_type}")
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# return if the same instance of the object is in the list
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for existing in self._data:
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if element is existing:
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return AppendResult(True, element, True)
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for name, value in element.indexing_values:
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if value in self._attribute_to_object_map[name]:
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existing_object = self._attribute_to_object_map[name][value]
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if not merge_on_conflict:
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return AppendResult(True, existing_object, False)
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# if the object does already exist
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# thus merging and don't add it afterward
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if merge_into_existing:
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existing_object.merge(element)
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# in case any relevant data has been added (e.g. it remaps the old object)
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self.map_element(existing_object)
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return AppendResult(True, existing_object, False)
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element.merge(existing_object)
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exists_at = self._data.index(existing_object)
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self._data[exists_at] = element
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self.unmap_element(existing_object)
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self.map_element(element)
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return AppendResult(True, existing_object, False)
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if not no_hook:
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self.hooks.trigger_event(CollectionHooks.APPEND_NEW, new_object=element)
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self._data.append(element)
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self.map_element(element)
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return AppendResult(False, element, False)
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def extend(self, element_list: Iterable[T], merge_on_conflict: bool = True,
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merge_into_existing: bool = True, no_hook: bool = False):
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if element_list is None:
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if equal_collection is self:
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return
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if len(element_list) <= 0:
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# don't add the elements from the subelements from the other collection.
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# this will be done in the next step.
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self.extend(equal_collection._data)
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# add all submodules
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for equal_sub_collection in equal_collection.contained_collections:
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self.contain_collection_inside(equal_sub_collection)
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# now the ugly part
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# replace all refs of the other element with this one
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self.merge(equal_collection)
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def contain_collection_inside(self, sub_collection: "Collection"):
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"""
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This collection will ALWAYS contain everything from the passed in collection
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"""
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if sub_collection in self.contained_collections:
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return
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if element_list is self:
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return
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for element in element_list:
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self.append(element, merge_on_conflict=merge_on_conflict, merge_into_existing=merge_into_existing, no_hook=no_hook)
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def sync_collection(self, collection_attribute: str):
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def on_append(event: Event, new_object: T, *args, **kwargs):
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new_collection = new_object.__getattribute__(collection_attribute)
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if self is new_collection:
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return
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self.contained_collections.append(sub_collection)
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sub_collection.upper_collections.append(self)
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self.extend(new_object.__getattribute__(collection_attribute), no_hook=True)
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new_object.__setattr__(collection_attribute, self)
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@property
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def data(self) -> List[T]:
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return [*self._data, *(__object for collection in self.contained_collections for __object in collection.shallow_list)]
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self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
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def sync_main_collection(self, main_collection: "Collection", collection_attribute: str):
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def on_append(event: Event, new_object: T, *args, **kwargs):
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new_collection = new_object.__getattribute__(collection_attribute)
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if main_collection is new_collection:
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return
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main_collection.extend(new_object.__getattribute__(collection_attribute), no_hook=True)
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new_object.__setattr__(collection_attribute, main_collection)
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self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
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"""
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def on_append(event: Event, new_object: T, *args, **kwargs):
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new_collection: Collection = new_object.__getattribute__(collection_attribute)
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if self is new_collection:
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return
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self.extend(new_collection.shallow_list, no_hook=False)
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new_object.__setattr__(collection_attribute, self)
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self.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_append)
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"""
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def __len__(self) -> int:
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return len(self._data) + sum(len(collection) for collection in self.contained_collections)
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def __iter__(self) -> Iterator[T]:
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for element in self._data:
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yield element
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def __str__(self) -> str:
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return "\n".join([f"{str(j).zfill(2)}: {i.__repr__()}" for j, i in enumerate(self._data)])
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def __len__(self) -> int:
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return len(self._data)
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def __getitem__(self, key) -> T:
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if type(key) != int:
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return ValueError("key needs to be an integer")
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return self._data[key]
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def __setitem__(self, key, value: T):
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if type(key) != int:
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return ValueError("key needs to be an integer")
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old_item = self._data[key]
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self.unmap_element(old_item)
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self.map_element(value)
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self._data[key] = value
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@property
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def shallow_list(self) -> List[T]:
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"""
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returns a shallow copy of the data list
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"""
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return self._data.copy()
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@property
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def empty(self) -> bool:
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return len(self._data) == 0
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def clear(self):
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self.__init__(element_type=self.element_type)
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@ -1,133 +0,0 @@
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from typing import List, Iterable, Iterator, Optional, TypeVar, Generic, Dict, Type
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from collections import defaultdict
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from .parents import DatabaseObject
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from ..utils.support_classes.hacking import MetaClass
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T = TypeVar('T', bound=DatabaseObject)
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class Collection(Generic[T], metaclass=MetaClass):
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_data: List[T]
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_indexed_values: Dict[str, set]
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_indexed_to_objects: Dict[any, list]
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shallow_list = property(fget=lambda self: self.data)
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def __init__(self, data: Optional[Iterable[T]]) -> None:
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self._data = []
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self.contained_collections: List[Collection[T]] = []
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self._indexed_values = defaultdict(set)
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self._indexed_to_objects = defaultdict(list)
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self.extend(data)
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def _map_element(self, __object: T):
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for name, value in __object.indexing_values:
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if value is None:
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continue
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self._indexed_values[name].add(value)
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self._indexed_to_objects[value].append(__object)
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def _unmap_element(self, __object: T):
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for name, value in __object.indexing_values:
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if value is None:
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continue
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if value not in self._indexed_values[name]:
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continue
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try:
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self._indexed_to_objects[value].remove(__object)
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except ValueError:
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continue
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if not len(self._indexed_to_objects[value]):
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self._indexed_values[name].remove(value)
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def _contained_in_self(self, __object: T) -> bool:
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for name, value in __object.indexing_values:
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if value is None:
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continue
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if value in self._indexed_values[name]:
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return True
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return False
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def _contained_in(self, __object: T) -> Optional["Collection"]:
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if self._contained_in_self(__object):
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return self
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for collection in self.contained_collections:
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if collection._contained_in_self(__object):
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return collection
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return None
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def contains(self, __object: T) -> bool:
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return self._contained_in(__object) is not None
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def _append(self, __object: T):
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self._map_element(__object)
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self._data.append(__object)
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def append(self, __object: Optional[T]):
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if __object is None:
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return
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self._append(__object)
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def extend(self, __iterable: Optional[Iterable[T]]):
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if __iterable is None:
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return
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for __object in __iterable:
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self.append(__object)
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def sync_with_other_collection(self, equal_collection: "Collection"):
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"""
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If two collections always need to have the same values, this can be used.
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Internally:
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1. import the data from other to self
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- _data
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- contained_collections
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2. replace all refs from the other object, with refs from this object
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"""
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if equal_collection is self:
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return
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# don't add the elements from the subelements from the other collection.
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# this will be done in the next step.
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self.extend(equal_collection._data)
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# add all submodules
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for equal_sub_collection in equal_collection.contained_collections:
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self.contain_collection_inside(equal_sub_collection)
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# now the ugly part
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# replace all refs of the other element with this one
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self.merge(equal_collection)
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def contain_collection_inside(self, sub_collection: "Collection"):
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"""
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This collection will ALWAYS contain everything from the passed in collection
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"""
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if sub_collection in self.contained_collections:
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return
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self.contained_collections.append(sub_collection)
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@property
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def data(self) -> List[T]:
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return [*self._data, *(__object for collection in self.contained_collections for __object in collection.shallow_list)]
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def __len__(self) -> int:
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return len(self._data) + sum(len(collection) for collection in self.contained_collections)
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def __iter__(self) -> Iterator[T]:
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for element in self._data:
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yield element
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@ -147,6 +147,8 @@ class DatabaseObject(metaclass=MetaClass):
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return list()
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def merge(self, other, override: bool = False, replace_all_refs: bool = False):
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print("merge")
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if other is None:
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return
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|
||||
@ -5,7 +5,7 @@ from typing import List, Optional, Dict, Tuple, Type
|
||||
import pycountry
|
||||
|
||||
from ..utils.enums.album import AlbumType, AlbumStatus
|
||||
from .collection import Collection, CollectionHooks
|
||||
from .collection import Collection
|
||||
from .formatted_text import FormattedText
|
||||
from .lyrics import Lyrics
|
||||
from .contact import Contact
|
||||
@ -100,25 +100,29 @@ class Song(MainObject):
|
||||
self.notes: FormattedText = notes or FormattedText()
|
||||
|
||||
self.source_collection: SourceCollection = SourceCollection(source_list)
|
||||
self.target_collection: Collection[Target] = Collection(data=target_list, element_type=Target)
|
||||
self.lyrics_collection: Collection[Lyrics] = Collection(data=lyrics_list, element_type=Lyrics)
|
||||
self.target_collection: Collection[Target] = Collection(data=target_list)
|
||||
self.lyrics_collection: Collection[Lyrics] = Collection(data=lyrics_list)
|
||||
|
||||
# main_artist_collection = album.artist collection
|
||||
self.main_artist_collection: Collection[Artist] = Collection(data=main_artist_list, element_type=Artist)
|
||||
self.main_artist_collection: Collection[Artist] = Collection(data=[])
|
||||
|
||||
# this album_collection equals no collection
|
||||
self.album_collection: Collection[Album] = Collection(data=[], element_type=Album)
|
||||
self.album_collection.sync_main_collection(self.main_artist_collection, "artist_collection")
|
||||
self.album_collection.extend(album_list)
|
||||
# self.album_collection.sync_collection("song_collection")
|
||||
# self.album_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_album_append)
|
||||
self.album_collection: Collection[Album] = Collection(data=album_list,
|
||||
contain_given_in_attribute={
|
||||
"artist_collection": self.main_artist_collection
|
||||
}, append_object_to_attribute={
|
||||
"song_collection": self
|
||||
})
|
||||
|
||||
# on feature_artist_collection append, append self to artist self
|
||||
self.feature_artist_collection: Collection[Artist] = Collection(data=[], element_type=Artist)
|
||||
def on_feature_artist_append(event, new_object: Artist, *args, **kwargs):
|
||||
new_object.feature_song_collection.append(self, no_hook=True)
|
||||
self.feature_artist_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_feature_artist_append)
|
||||
self.feature_artist_collection.extend(feature_artist_list)
|
||||
self.main_artist_collection.contain_given_in_attribute = {"main_album_collection": self.album_collection}
|
||||
self.main_artist_collection.extend(main_artist_list)
|
||||
|
||||
self.feature_artist_collection: Collection[Artist] = Collection(
|
||||
data=feature_artist_list,
|
||||
append_object_to_attribute={
|
||||
"feature_song_collection": self
|
||||
}
|
||||
)
|
||||
|
||||
def _build_recursive_structures(self, build_version: int, merge: bool):
|
||||
if build_version == self.build_version:
|
||||
@ -322,13 +326,16 @@ class Album(MainObject):
|
||||
|
||||
self.source_collection: SourceCollection = SourceCollection(source_list)
|
||||
|
||||
self.artist_collection: Collection[Artist] = Collection(data=artist_list, element_type=Artist)
|
||||
self.artist_collection: Collection[Artist] = Collection(data=artist_list)
|
||||
|
||||
self.song_collection: Collection[Song] = Collection(data=[], element_type=Song)
|
||||
self.song_collection.sync_main_collection(self.artist_collection, "main_artist_collection")
|
||||
self.song_collection.extend(song_list)
|
||||
self.song_collection: Collection[Song] = Collection(
|
||||
data=song_list,
|
||||
contain_attribute_in_given={
|
||||
"main_artist_collection": self.artist_collection
|
||||
}
|
||||
)
|
||||
|
||||
self.label_collection: Collection[Label] = Collection(data=label_list, element_type=Label)
|
||||
self.label_collection: Collection[Label] = Collection(data=label_list)
|
||||
|
||||
def _build_recursive_structures(self, build_version: int, merge: bool):
|
||||
if build_version == self.build_version:
|
||||
@ -589,22 +596,26 @@ class Artist(MainObject):
|
||||
self.source_collection: SourceCollection = SourceCollection(source_list)
|
||||
self.contact_collection: Collection[Label] = Collection(data=contact_list, element_type=Contact)
|
||||
|
||||
self.feature_song_collection: Collection[Song] = Collection(data=[], element_type=Song)
|
||||
def on_feature_song_append(event, new_object: Song, *args, **kwargs):
|
||||
new_object.feature_artist_collection.append(self, no_hook=True)
|
||||
self.feature_song_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_feature_song_append)
|
||||
self.feature_song_collection.extend(feature_song_list)
|
||||
self.feature_song_collection: Collection[Song] = Collection(
|
||||
data=feature_song_list,
|
||||
append_object_to_attribute={
|
||||
"feature_artist_collection": self
|
||||
}
|
||||
)
|
||||
|
||||
self.main_album_collection: Collection[Album] = Collection(data=[], element_type=Album)
|
||||
def on_album_append(event, new_object: Album, *args, **kwargs):
|
||||
new_object.artist_collection.append(self, no_hook=True)
|
||||
self.main_album_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_album_append)
|
||||
self.main_album_collection.extend(main_album_list)
|
||||
self.main_album_collection: Collection[Album] = Collection(
|
||||
data=main_album_list,
|
||||
append_object_to_attribute={
|
||||
"artist_collection": self
|
||||
}
|
||||
)
|
||||
|
||||
self.label_collection: Collection[Label] = Collection(data=label_list, element_type=Label)
|
||||
def on_label_append(event, new_object: Label, *args, **kwargs):
|
||||
new_object.current_artist_collection.append(self, no_hook=True)
|
||||
self.label_collection.hooks.add_event_listener(CollectionHooks.APPEND_NEW, on_label_append)
|
||||
self.label_collection: Collection[Label] = Collection(
|
||||
data=label_list,
|
||||
append_object_to_attribute={
|
||||
"current_artist_collection": self
|
||||
}
|
||||
)
|
||||
|
||||
|
||||
def _add_other_db_objects(self, object_type: Type["DatabaseObject"], object_list: List["DatabaseObject"]):
|
||||
|
||||
@ -10,9 +10,7 @@ class Lake:
|
||||
|
||||
def get_real_object(self, db_object: object) -> object:
|
||||
def _get_real_id(_id: int) -> int:
|
||||
if _id in self.redirects:
|
||||
return _get_real_id(self.redirects[_id])
|
||||
return _id
|
||||
return self.redirects.get(_id, _id)
|
||||
|
||||
_id = _get_real_id(id(db_object))
|
||||
if _id not in self.id_to_object:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user