import pathlib import sqlite3 from peewee import * from playhouse.sqlite_ext import FTS5Model, SearchField from playhouse.shortcuts import model_to_dict class MemoryConnection(sqlite3.Connection): def __init__(self, dbname, *args, **kwargs): load_conn = sqlite3.connect(dbname) super(MemoryConnection, self).__init__(":memory:", *args, **kwargs) load_conn.backup(self) load_conn.close() class SqliteMemDatabase(SqliteDatabase): def __init__(self, database, *args, **kwargs) -> None: self.dbname = database super().__init__(database, *args, factory=MemoryConnection, **kwargs) def reload(self, dbname=None): if dbname is None: dbname = self.dbname load_conn = sqlite3.connect(dbname) try: load_conn.backup(self._state.conn) finally: load_conn.close() def save(self, dbname=None): if dbname is None: dbname = self.dbname save_conn = sqlite3.connect(dbname) try: self._state.conn.backup(save_conn) finally: save_conn.close() # db = SqliteMemDatabase(pathlib.Path(__file__).parent.resolve() / "danbooru2023.db") db = SqliteDatabase(pathlib.Path(__file__).parent.resolve() / "danbooru2023.db") tag_cache_map = {} def get_tag_by_id(id): if id not in tag_cache_map: tag_cache_map[id] = Tag.get_by_id(id) return tag_cache_map[id] class TagListField(TextField, SearchField): def db_value(self, value): if isinstance(value, str): return value assert all(isinstance(tag, (Tag, int)) for tag in value) return "".join(f"${tag.id if isinstance(tag, Tag) else tag}#" for tag in value) def python_value(self, value): if value is not None: return [ get_tag_by_id(int(tag, 36)) for tag in value[1:-1].split("#$") if tag ] class EnumField(IntegerField): def __init__(self, enum_list, *args, **kwargs): super().__init__(*args, **kwargs) self.enum_list = enum_list self.enum_map = {value: index for index, value in enumerate(enum_list)} def db_value(self, value): if isinstance(value, str): return self.enum_map[value] assert isinstance(value, int) return value def python_value(self, value): if value is not None: return self.enum_list[value] class BaseModel(Model): class Meta: database = db class Post(BaseModel): id = IntegerField(primary_key=True) created_at = CharField() uploader_id = IntegerField() source = CharField() md5 = CharField(null=True) parent_id = IntegerField(null=True) has_children = BooleanField() is_deleted = BooleanField() is_banned = BooleanField() pixiv_id = IntegerField(null=True) has_active_children = BooleanField() bit_flags = IntegerField() has_large = BooleanField() has_visible_children = BooleanField() image_width = IntegerField() image_height = IntegerField() file_size = IntegerField() file_ext = CharField() rating = EnumField(["general", "sensitive", "questionable", "explicit"]) score = IntegerField() up_score = IntegerField() down_score = IntegerField() fav_count = IntegerField() file_url = CharField() large_file_url = CharField() preview_file_url = CharField() tag_list = TagListField() tag_list_general = TagListField() tag_list_artist = TagListField() tag_list_character = TagListField() tag_list_copyright = TagListField() tag_list_meta = TagListField() tag_count = IntegerField() tag_count_general = IntegerField() tag_count_artist = IntegerField() tag_count_character = IntegerField() tag_count_copyright = IntegerField() tag_count_meta = IntegerField() class PostFTS(FTS5Model): class Meta: database = db tag_list = TagListField() tag_list_general = TagListField() tag_list_artist = TagListField() tag_list_character = TagListField() tag_list_copyright = TagListField() tag_list_meta = TagListField() class Tag(BaseModel): id = IntegerField(primary_key=True) name = CharField(unique=True) type = EnumField(["general", "artist", "character", "copyright", "meta"]) popularity = IntegerField() def __str__(self): return f"" class TagWiki(Model): id = IntegerField(primary_key=True) title = CharField(unique=True) body = TextField() created_at = DateTimeField() updated_at = DateTimeField() is_locked = BooleanField() is_deleted = BooleanField() other_names = TextField() tag_id = IntegerField(unique=True) class Meta: table_name = "tag_wikis" database = db if __name__ == "__main__": #from objprint import objprint db.connect() for index in db.get_indexes("post"): print(index) post = Post.select().first() #objprint(model_to_dict(post)) # db.create_tables([Post, Tag]) # db.save()