Atlas

Atlas 是一个用于与Nomic交互的平台，可以处理小型和互联网规模的非结构化数据集。本笔记本展示了如何使用与AtlasDB向量存储相关的功能。

!pip install spacy

!python3 -m spacy download en_core_web_sm

!pip install nomic

import time
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.text_splitter import SpacyTextSplitter
from langchain.vectorstores import AtlasDB
from langchain.document_loaders import TextLoader

ATLAS_TEST_API_KEY = "7xDPkYXSYDc1_ErdTPIcoAR9RNd8YDlkS3nVNXcVoIMZ6"

loader = TextLoader("../../../state_of_the_union.txt")
documents = loader.load()
text_splitter = SpacyTextSplitter(separator="|")
texts = []
for doc in text_splitter.split_documents(documents):
    texts.extend(doc.page_content.split("|"))
texts = [e.strip() for e in texts]

db = AtlasDB.from_texts(
    texts=texts,
    name="test_index_" + str(time.time()),  # unique name for your vector store
    description="test_index",  # a description for your vector store
    api_key=ATLAS_TEST_API_KEY,
    index_kwargs={"build_topic_model": True},
)

db.project.wait_for_project_lock()

db.project

<strong><a href="https://atlas.nomic.ai/dashboard/project/ee2354a3-7f9a-4c6b-af43-b0cda09d7198">test_index_1677255228.136989</strong></a>
<br>
A description for your project 508 datums inserted.
<br>
1 index built.
<br><strong>Projections</strong>
<ul>
<li>test_index_1677255228.136989_index. Status Completed. <a target="_blank" href="https://atlas.nomic.ai/map/ee2354a3-7f9a-4c6b-af43-b0cda09d7198/db996d77-8981-48a0-897a-ff2c22bbf541">view online</a></li></ul><hr><script>
destroy = function() {
    document.getElementById("iframedb996d77-8981-48a0-897a-ff2c22bbf541").remove()
}
</script>

<h4>Projection ID: db996d77-8981-48a0-897a-ff2c22bbf541</h4>
<div class="actions">
    <div id="hide" class="action" onclick="destroy()">Hide embedded project</div>
    <div class="action" id="out">
        <a href="https://atlas.nomic.ai/map/ee2354a3-7f9a-4c6b-af43-b0cda09d7198/db996d77-8981-48a0-897a-ff2c22bbf541" target="_blank">Explore on atlas.nomic.ai</a>
    </div>
</div>

<iframe class="iframe" id="iframedb996d77-8981-48a0-897a-ff2c22bbf541" allow="clipboard-read; clipboard-write" src="https://atlas.nomic.ai/map/ee2354a3-7f9a-4c6b-af43-b0cda09d7198/db996d77-8981-48a0-897a-ff2c22bbf541">
</iframe>

<style>
    .iframe {
        /* vh can be **very** large in vscode html. */
        height: min(75vh, 66vw);
        width: 100%;
    }
</style>

<style>
    .actions {
      display: block;
    }
    .action {
      min-height: 18px;
      margin: 5px;
      transition: all 500ms ease-in-out;
    }
    .action:hover {
      cursor: pointer;
    }
    #hide:hover:after {
        content: " X";
    }
    #out:hover:after {
        content: "";
    }
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