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