|
| 1 | +from typing import Any, Dict, List, Optional, Union |
| 2 | + |
| 3 | +from pydantic import BaseModel |
| 4 | + |
| 5 | +from minds.rest_api import RestAPI |
| 6 | + |
| 7 | + |
| 8 | +class VectorStoreConfig(BaseModel): |
| 9 | + '''Configuration for the underlying vector store for knowledge base embeddings''' |
| 10 | + engine: str |
| 11 | + connection_data: Dict[str, Any] |
| 12 | + table: str = 'embeddings' |
| 13 | + |
| 14 | + |
| 15 | +class EmbeddingConfig(BaseModel): |
| 16 | + '''Configuration for embeddings to use with underlying vector store for knowledge base''' |
| 17 | + provider: str |
| 18 | + model: str |
| 19 | + params: Optional[Dict[str, Any]] = None |
| 20 | + |
| 21 | + |
| 22 | +class KnowledgeBaseConfig(BaseModel): |
| 23 | + '''Configuration for a knowledge base''' |
| 24 | + name: str |
| 25 | + description: str |
| 26 | + vector_store_config: Optional[VectorStoreConfig] = None |
| 27 | + embedding_config: Optional[EmbeddingConfig] = None |
| 28 | + |
| 29 | + |
| 30 | +class KnowledgeBaseDocument(BaseModel): |
| 31 | + '''Represents a document that can be inserted into a knowledge base''' |
| 32 | + id: Union[int, str] |
| 33 | + content: str |
| 34 | + metadata: Optional[Dict[str, Any]] = {} |
| 35 | + |
| 36 | + |
| 37 | +class KnowledgeBase: |
| 38 | + def __init__(self, name, api: RestAPI): |
| 39 | + self.name = name |
| 40 | + self.api = api |
| 41 | + |
| 42 | + def insert_from_select(self, query: str): |
| 43 | + ''' |
| 44 | + Inserts select content of a connected datasource into this knowledge base |
| 45 | +
|
| 46 | + :param query: The SQL SELECT query to use to retrieve content to be inserted |
| 47 | + ''' |
| 48 | + update_request = { |
| 49 | + 'query': query |
| 50 | + } |
| 51 | + _ = self.api.put(f'/knowledge_bases/{self.name}', data=update_request) |
| 52 | + |
| 53 | + def insert_documents(self, documents: List[KnowledgeBaseDocument]): |
| 54 | + ''' |
| 55 | + Inserts documents directly into this knowledge base |
| 56 | +
|
| 57 | + :param documents: The documents to insert |
| 58 | + ''' |
| 59 | + update_request = { |
| 60 | + 'rows': [d.model_dump() for d in documents] |
| 61 | + } |
| 62 | + _ = self.api.put(f'/knowledge_bases/{self.name}', data=update_request) |
| 63 | + |
| 64 | + def insert_urls(self, urls: List[str]): |
| 65 | + ''' |
| 66 | + Crawls URLs & inserts the retrieved webpages into this knowledge base |
| 67 | +
|
| 68 | + :param urls: Valid URLs to crawl & insert |
| 69 | + ''' |
| 70 | + update_request = { |
| 71 | + 'urls': urls |
| 72 | + } |
| 73 | + _ = self.api.put(f'/knowledge_bases/{self.name}', data=update_request) |
| 74 | + |
| 75 | + def insert_files(self, files: List[str]): |
| 76 | + ''' |
| 77 | + Inserts files that have already been uploaded to MindsDB into this knowledge base |
| 78 | +
|
| 79 | + :param files: Names of preuploaded files to insert |
| 80 | + ''' |
| 81 | + update_request = { |
| 82 | + 'files': files |
| 83 | + } |
| 84 | + _ = self.api.put(f'/knowledge_bases/{self.name}', data=update_request) |
| 85 | + |
| 86 | + |
| 87 | +class KnowledgeBases: |
| 88 | + def __init__(self, client): |
| 89 | + self.api = client.api |
| 90 | + |
| 91 | + def create(self, config: KnowledgeBaseConfig) -> KnowledgeBase: |
| 92 | + ''' |
| 93 | + Create new knowledge base and return it |
| 94 | +
|
| 95 | + :param config: knowledge base configuration, properties: |
| 96 | + - name: str, name of knowledge base |
| 97 | + - description: str, description of the knowledge base. Used by minds to know what data can be retrieved. |
| 98 | + - vector_store_config: VectorStoreConfig, configuration for embeddings vector store. |
| 99 | + - embedding_config: EmbeddingConfig, configuration for embeddings. |
| 100 | + :return: knowledge base object |
| 101 | + ''' |
| 102 | + create_request = { |
| 103 | + 'name': config.name, |
| 104 | + 'description': config.description |
| 105 | + } |
| 106 | + if config.vector_store_config is not None: |
| 107 | + vector_store_data = { |
| 108 | + 'engine': config.vector_store_config.engine, |
| 109 | + 'connection_data': config.vector_store_config.connection_data |
| 110 | + } |
| 111 | + create_request['vector_store'] = vector_store_data |
| 112 | + if config.embedding_config is not None: |
| 113 | + embedding_data = { |
| 114 | + 'provider': config.embedding_config.provider, |
| 115 | + 'name': config.embedding_config.model |
| 116 | + } |
| 117 | + if config.embedding_config.params is not None: |
| 118 | + embedding_data.update(config.embedding_config.params) |
| 119 | + create_request['embedding_model'] = embedding_data |
| 120 | + |
| 121 | + _ = self.api.post('/knowledge_bases', data=create_request) |
| 122 | + return self.get(config.name) |
| 123 | + |
| 124 | + def list(self) -> List[KnowledgeBase]: |
| 125 | + ''' |
| 126 | + Returns list of knowledge bases |
| 127 | +
|
| 128 | + :return: iterable knowledge bases |
| 129 | + ''' |
| 130 | + |
| 131 | + list_knowledge_bases_response = self.api.get('/knowledge_bases') |
| 132 | + knowledge_bases = list_knowledge_bases_response.json() |
| 133 | + |
| 134 | + all_knowledge_bases = [] |
| 135 | + for knowledge_base in knowledge_bases: |
| 136 | + all_knowledge_bases.append(KnowledgeBase(knowledge_base['name'], self.api)) |
| 137 | + return all_knowledge_bases |
| 138 | + |
| 139 | + def get(self, name: str) -> KnowledgeBase: |
| 140 | + ''' |
| 141 | + Get knowledge base by name |
| 142 | +
|
| 143 | + :param name: name of knowledge base |
| 144 | + :return: knowledge base object |
| 145 | + ''' |
| 146 | + |
| 147 | + knowledge_base_response = self.api.get(f'/knowledge_bases/{name}') |
| 148 | + knowledge_base = knowledge_base_response.json() |
| 149 | + return KnowledgeBase(knowledge_base['name'], self.api) |
| 150 | + |
| 151 | + def drop(self, name: str, force=False): |
| 152 | + ''' |
| 153 | + Drop knowledge base by name |
| 154 | +
|
| 155 | + :param name: name of knowledge base |
| 156 | + :param force: if True - remove from all minds, default: False |
| 157 | + ''' |
| 158 | + data = None |
| 159 | + if force: |
| 160 | + data = {'cascade': True} |
| 161 | + |
| 162 | + self.api.delete(f'/knowledge_bases/{name}', data=data) |
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