id stringlengths 14 16 | text stringlengths 44 2.73k | source stringlengths 49 114 |
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e0dcc9dea2b3-6 | so be very wary of anyone asking you for money.\nLearn more about Tuition and Financial Aid at Brown.\nBased on this information, does Brown seem like a good fit? Remember, a school that is perfect for one person may be a terrible fit for someone else! So ask yourself: Is Brown a good school for you?\nIf Brown Universi... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-7 | best way to reach campus is to take Interstate 95 to Providence, or book a flight to the nearest airport, T.F. Green.\nYou can also take a virtual campus tour to get a sense of what Brown and Providence are like without leaving home.\nConsidering Going to School in Rhode Island?\nSee a full list of colleges in Rhode Is... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-8 | \n\n Virtual Tour\n \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nBrown Application Deadline\n\n\n\nFirst-Year Applications are Due\n\nJan 5\n\nTransfer Applications are Due\n\nMar 1\n\n\n\n \n The deadline for Fall first-year applications to Brown is \n ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-9 | for more information about deadlines for specific programs or special admissions programs\n \n \n\n\n\n\n\n\nBrown ACT Scores\n\n\n\n\nic_reflect\n\n\n\n\n\n\n\n\nACT Range\n\n\n \n 33 - 35\n \n \n\n\n\nEstimated Chance of Acceptanc... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-10 | 720 - 770\n \n \n\n\n\nic_reflect\n\n\n\n\n\n\n\n\nMath SAT Range\n\n\n \n Not available\n \n \n\n\n\nic_reflect\n\n\n\n\n\n\n\n\nReading SAT Range\n\n\n \n 740 - 800\n... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-11 | $82,286\n \nOut-of-State\n\n\n\n\n\n\n\nCost Breakdown\n\n\nIn State\n\n\nOut-of-State\n\n\n\n\nState Tuition\n\n\n\n $62,680\n \n\n\n\n $62,680\n \n\n\n\n\nFees\n\n\n\n $2,4... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-12 | \n\n\n\n $15,840\n \n\n\n\n\nBooks\n\n\n\n $1,300\n \n\n\n\n $1,300\n \n\n\n\n\n\n Total (Before Financial Aid):\n \n\n\... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-13 | \n\n\n\n\n\n\n\n\n\n\n\nStudent Life\n\n Wondering what life at Brown is like? There are approximately \n 10,696 students enrolled at \n Brown, \n including 7,349 undergraduate students and \n 3,347 graduate students.\n 96% percent of students attend school \n full-time... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-14 | 4%\n \nPart Time\n\n\n\n\n\n\n\n 94%\n \n\n\n\n\nResidency\n\n\n\n 6%\n \nIn State\n\n\n\n\n 94%\n \nOut-of-State\n\n\n\n\n\n\n\n Data Source: IPEDs and Peterso... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
e0dcc9dea2b3-15 | previous
ChatGPT Data Loader
next
Confluence
By Harrison Chase
© Copyright 2023, Harrison Chase.
Last updated on Apr 25, 2023. | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/college_confidential.html |
f76ff97a1cbb-0 | .ipynb
.pdf
WhatsApp Chat
WhatsApp Chat#
This notebook covers how to load data from the WhatsApp Chats into a format that can be ingested into LangChain.
from langchain.document_loaders import WhatsAppChatLoader
loader = WhatsAppChatLoader("example_data/whatsapp_chat.txt")
loader.load()
previous
Web Base
next
Word Docu... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/whatsapp_chat.html |
992394913452-0 | .ipynb
.pdf
BigQuery Loader
Contents
Basic Usage
Specifying Which Columns are Content vs Metadata
Adding Source to Metadata
BigQuery Loader#
Load a BigQuery query with one document per row.
from langchain.document_loaders import BigQueryLoader
BASE_QUERY = '''
SELECT
id,
dna_sequence,
organism
FROM (
SELECT
... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/bigquery.html |
992394913452-1 | Specifying Which Columns are Content vs Metadata#
loader = BigQueryLoader(BASE_QUERY, page_content_columns=["dna_sequence", "organism"], metadata_columns=["id"])
data = loader.load()
print(data)
[Document(page_content='dna_sequence: ATTCGA\norganism: Lokiarchaeum sp. (strain GC14_75).', lookup_str='', metadata={'id': 1... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/bigquery.html |
992394913452-2 | data = loader.load()
print(data)
[Document(page_content='id: 1\ndna_sequence: ATTCGA\norganism: Lokiarchaeum sp. (strain GC14_75).\nsource: 1', lookup_str='', metadata={'source': 1}, lookup_index=0), Document(page_content='id: 2\ndna_sequence: AGGCGA\norganism: Heimdallarchaeota archaeon (strain LC_2).\nsource: 2', loo... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/bigquery.html |
371d4a352507-0 | .ipynb
.pdf
Notebook
Notebook#
This notebook covers how to load data from an .ipynb notebook into a format suitable by LangChain.
from langchain.document_loaders import NotebookLoader
loader = NotebookLoader("example_data/notebook.ipynb", include_outputs=True, max_output_length=20, remove_newline=True)
NotebookLoader.l... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/notebook.html |
371d4a352507-1 | traceback (bool): whether to include full traceback (default is False).
loader.load()
[Document(page_content='\'markdown\' cell: \'[\'# Notebook\', \'\', \'This notebook covers how to load data from an .ipynb notebook into a format suitable by LangChain.\']\'\n\n \'code\' cell: \'[\'from langchain.document_loaders impo... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/notebook.html |
b20042dc75c3-0 | .ipynb
.pdf
Apify Dataset
Contents
Prerequisites
An example with question answering
Apify Dataset#
This notebook shows how to load Apify datasets to LangChain.
Apify Dataset is a scaleable append-only storage with sequential access built for storing structured web scraping results, such as a list of products or Googl... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/apify_dataset.html |
b20042dc75c3-1 | from langchain.docstore.document import Document
from langchain.document_loaders import ApifyDatasetLoader
from langchain.indexes import VectorstoreIndexCreator
loader = ApifyDatasetLoader(
dataset_id="your-dataset-id",
dataset_mapping_function=lambda item: Document(
page_content=item["text"] or "", met... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/apify_dataset.html |
851cd8f338c6-0 | .ipynb
.pdf
Airbyte JSON
Airbyte JSON#
This covers how to load any source from Airbyte into a local JSON file that can be read in as a document
Prereqs:
Have docker desktop installed
Steps:
Clone Airbyte from GitHub - git clone https://github.com/airbytehq/airbyte.git
Switch into Airbyte directory - cd airbyte
Start Ai... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/airbyte_json.html |
851cd8f338c6-1 | game_indices:
game_index: 180
version:
name: red
url: https://pokeapi.co/api/v2/version/1/
game_index: 180
version:
name: blue
url: https://pokeapi.co/api/v2/version/2/
game_index: 180
version:
n
previous
CoNLL-U
next
Apify Dataset
By Harrison Chase
© Copyright 2023, Harrison Chase.
Last updated... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/airbyte_json.html |
159b901a6279-0 | .ipynb
.pdf
Email
Contents
Using Unstructured
Retain Elements
Using OutlookMessageLoader
Email#
This notebook shows how to load email (.eml) and Microsoft Outlook (.msg) files.
Using Unstructured#
from langchain.document_loaders import UnstructuredEmailLoader
loader = UnstructuredEmailLoader('example_data/fake-email.... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/email.html |
159b901a6279-1 | previous
DuckDB Loader
next
EPubs
Contents
Using Unstructured
Retain Elements
Using OutlookMessageLoader
By Harrison Chase
© Copyright 2023, Harrison Chase.
Last updated on Apr 25, 2023. | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/email.html |
ed46c47e358b-0 | .ipynb
.pdf
Subtitle Files
Subtitle Files#
How to load data from subtitle (.srt) files
from langchain.document_loaders import SRTLoader
loader = SRTLoader("example_data/Star_Wars_The_Clone_Wars_S06E07_Crisis_at_the_Heart.srt")
docs = loader.load()
docs[0].page_content[:100]
'<i>Corruption discovered\nat the core of the... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/srt.html |
4d886cab5f65-0 | .ipynb
.pdf
EPubs
Contents
Retain Elements
EPubs#
This covers how to load .epub documents into a document format that we can use downstream. You’ll need to install the pandocs package for this loader to work.
from langchain.document_loaders import UnstructuredEPubLoader
loader = UnstructuredEPubLoader("winter-sports.... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/epub.html |
1a514c015ec8-0 | .ipynb
.pdf
HuggingFace dataset loader
Contents
Example
HuggingFace dataset loader#
This notebook shows how to load Hugging Face Hub datasets to LangChain.
The Hugging Face Hub hosts a large number of community-curated datasets for a diverse range of tasks such as translation, automatic speech recognition, and image ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-1 | data = loader.load()
data[:15]
[Document(page_content='I rented I AM CURIOUS-YELLOW from my video store because of all the controversy that surrounded it when it was first released in 1967. I also heard that at first it was seized by U.S. customs if it ever tried to enter this country, therefore being a fan of films co... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-2 | Document(page_content='"I Am Curious: Yellow" is a risible and pretentious steaming pile. It doesn\'t matter what one\'s political views are because this film can hardly be taken seriously on any level. As for the claim that frontal male nudity is an automatic NC-17, that isn\'t true. I\'ve seen R-rated films with male... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-3 | Document(page_content="If only to avoid making this type of film in the future. This film is interesting as an experiment but tells no cogent story.<br /><br />One might feel virtuous for sitting thru it because it touches on so many IMPORTANT issues but it does so without any discernable motive. The viewer comes away ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-4 | Document(page_content='Oh, brother...after hearing about this ridiculous film for umpteen years all I can think of is that old Peggy Lee song..<br /><br />"Is that all there is??" ...I was just an early teen when this smoked fish hit the U.S. I was too young to get in the theater (although I did manage to sneak into "G... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-5 | pretension...and feeble who-cares simulated sex scenes with saggy, pale actors.<br /><br />Cultural icon, holy grail, historic artifact..whatever this thing was, shred it, burn it, then stuff the ashes in a lead box!<br /><br />Elite esthetes still scrape to find value in its boring pseudo revolutionary political spewi... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-6 | it - rent the video and fast forward to the "dirty" parts, just to get it over with.<br /><br />', metadata={'label': 0}), | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-7 | Document(page_content="I would put this at the top of my list of films in the category of unwatchable trash! There are films that are bad, but the worst kind are the ones that are unwatchable but you are suppose to like them because they are supposed to be good for you! The sex sequences, so shocking in its day, couldn... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-8 | Document(page_content='When I first saw a glimpse of this movie, I quickly noticed the actress who was playing the role of Lucille Ball. Rachel York\'s portrayal of Lucy is absolutely awful. Lucille Ball was an astounding comedian with incredible talent. To think about a legend like Lucille Ball being portrayed the way... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-9 | Document(page_content='Who are these "They"- the actors? the filmmakers? Certainly couldn\'t be the audience- this is among the most air-puffed productions in existence. It\'s the kind of movie that looks like it was a lot of fun to shoot\x97 TOO much fun, nobody is getting any actual work done, and that almost always ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-10 | respective children (nepotism alert: Bogdanovich\'s daughters) spew cute and pick up some fairly disturbing pointers on \'love\' while observing their parents. (Ms. Hepburn, drawing on her dignity, manages to rise above the proceedings- but she has the monumental challenge of playing herself, ostensibly.) Everybody loo... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-11 | but at least they were long on charm. "They All Laughed" tries to coast on its good intentions, but nobody- least of all Peter Bogdanovich - has the good sense to put on the brakes.<br /><br />Due in no small part to the tragic death of Dorothy Stratten, this movie has a special place in the heart of Mr. Bogdanovich- h... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-12 | in all, though, the movie is harmless, only a waste of rental. I want to watch people having a good time, I\'ll go to the park on a sunny day. For filmic expressions of joy and love, I\'ll stick to Ernest Lubitsch and Jaques Demy...', metadata={'label': 0}), | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-13 | Document(page_content="This is said to be a personal film for Peter Bogdonavitch. He based it on his life but changed things around to fit the characters, who are detectives. These detectives date beautiful models and have no problem getting them. Sounds more like a millionaire playboy filmmaker than a detective, doesn... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-14 | Document(page_content='It was great to see some of my favorite stars of 30 years ago including John Ritter, Ben Gazarra and Audrey Hepburn. They looked quite wonderful. But that was it. They were not given any characters or good lines to work with. I neither understood or cared what the characters were doing.<br /><br ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-15 | Document(page_content="I can't believe that those praising this movie herein aren't thinking of some other film. I was prepared for the possibility that this would be awful, but the script (or lack thereof) makes for a film that's also pointless. On the plus side, the general level of craft on the part of the actors an... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-16 | Document(page_content="Its not the cast. A finer group of actors, you could not find. Its not the setting. The director is in love with New York City, and by the end of the film, so are we all! Woody Allen could not improve upon what Bogdonovich has done here. If you are going to fall in love, or find love, Manhattan i... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-17 | Document(page_content='Today I found "They All Laughed" on VHS on sale in a rental. It was a really old and very used VHS, I had no information about this movie, but I liked the references listed on its cover: the names of Peter Bogdanovich, Audrey Hepburn, John Ritter and specially Dorothy Stratten attracted me, the p... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-18 | eyes who fall in love for the women they are chasing), but I have not laughed along the whole story. The coincidences, in a huge city like New York, are ridiculous. Ben Gazarra as an attractive and very seductive man, with the women falling for him as if her were a Brad Pitt, Antonio Banderas or George Clooney, is quit... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-19 | most popular Brazilian singer since the end of the 60\'s and is called by his fans as "The King". I will keep this movie in my collection only because of these attractions (manly Dorothy Stratten). My vote is four.<br /><br />Title (Brazil): "Muito Riso e Muita Alegria" ("Many Laughs and Lots of Happiness")', metadata=... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
1a514c015ec8-20 | Example#
In this example, we use data from a dataset to answer a question
from langchain.indexes import VectorstoreIndexCreator
from langchain.document_loaders.hugging_face_dataset import HuggingFaceDatasetLoader
dataset_name="tweet_eval"
page_content_column="text"
name="stance_climate"
loader=HuggingFaceDatasetLoader(... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/hugging_face_dataset.html |
7d104355d6f8-0 | .ipynb
.pdf
Bilibili
Bilibili#
This loader utilizes the bilibili-api to fetch the text transcript from Bilibili, one of the most beloved long-form video sites in China.
With this BiliBiliLoader, users can easily obtain the transcript of their desired video content on the platform.
from langchain.document_loaders.bilibi... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/bilibili.html |
b537cdd57151-0 | .ipynb
.pdf
ReadTheDocs Documentation
ReadTheDocs Documentation#
This notebook covers how to load content from html that was generated as part of a Read-The-Docs build.
For an example of this in the wild, see here.
This assumes that the html has already been scraped into a folder. This can be done by uncommenting and r... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/readthedocs_documentation.html |
b53bce2419a5-0 | .ipynb
.pdf
Blackboard
Blackboard#
This covers how to load data from a Blackboard Learn instance.
from langchain.document_loaders import BlackboardLoader
loader = BlackboardLoader(
blackboard_course_url="https://blackboard.example.com/webapps/blackboard/execute/announcement?method=search&context=course_entry&course... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blackboard.html |
3058f4e89569-0 | .ipynb
.pdf
Git
Contents
Load existing repository from disk
Clone repository from url
Filtering files to load
Git#
This notebook shows how to load text files from Git repository.
Load existing repository from disk#
from git import Repo
repo = Repo.clone_from(
"https://github.com/hwchase17/langchain", to_path="./e... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/git.html |
6846c9e65fae-0 | .ipynb
.pdf
Blockchain Document Loader
Contents
Overview
Setup
Create a Blockchain Document Loader
Option 1: Ethereum Mainnet (default BlockchainType)
Option 2: Polygon Mainnet
(Optional) Using the Blockchain Document Loader
Setup Splitter and Index
Setup Models and Chains
Retrieval Chain
Blockchain Document Loader#
... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-1 | [Document(page_content="{'contract': {'address': '0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d'}, 'id': {'tokenId': '0x0000000000000000000000000000000000000000000000000000000000000000', 'tokenMetadata': {'tokenType': 'ERC721'}}, 'title': '', 'description': '', 'tokenUri': {'gateway': 'https://alchemy.mypinata.cloud/ipfs/... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-2 | 'attributes': [{'value': 'Silver Hoop', 'trait_type': 'Earring'}, {'value': 'Orange', 'trait_type': 'Background'}, {'value': 'Robot', 'trait_type': 'Fur'}, {'value': 'Striped Tee', 'trait_type': 'Clothes'}, {'value': 'Discomfort', 'trait_type': 'Mouth'}, {'value': 'X Eyes', 'trait_type': 'Eyes'}]}, 'timeLastUpdated': '... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-3 | 'description': 'The Bored Ape Yacht Club is a collection of 10,000 unique Bored Ape NFTs— unique digital collectibles living on the Ethereum blockchain. Your Bored Ape doubles as your Yacht Club membership card, and grants access to members-only benefits, the first of which is access to THE BATHROOM, a collaborative gr... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-4 | Document(page_content="{'contract': {'address': '0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d'}, 'id': {'tokenId': '0x0000000000000000000000000000000000000000000000000000000000000001', 'tokenMetadata': {'tokenType': 'ERC721'}}, 'title': '', 'description': '', 'tokenUri': {'gateway': 'https://alchemy.mypinata.cloud/ipfs/Q... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-5 | 'png', 'bytes': 171425}], 'metadata': {'image': 'ipfs://QmPbxeGcXhYQQNgsC6a36dDyYUcHgMLnGKnF8pVFmGsvqi', 'attributes': [{'value': 'Grin', 'trait_type': 'Mouth'}, {'value': 'Vietnam Jacket', 'trait_type': 'Clothes'}, {'value': 'Orange', 'trait_type': 'Background'}, {'value': 'Blue Beams', 'trait_type': 'Eyes'}, {'value'... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-6 | Club', 'safelistRequestStatus': 'verified', 'imageUrl': 'https://i.seadn.io/gae/Ju9CkWtV-1Okvf45wo8UctR-M9He2PjILP0oOvxE89AyiPPGtrR3gysu1Zgy0hjd2xKIgjJJtWIc0ybj4Vd7wv8t3pxDGHoJBzDB?w=500&auto=format', 'description': 'The Bored Ape Yacht Club is a collection of 10,000 unique Bored Ape NFTs— unique digital collectibles l... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-7 | metadata={'tokenId': '0x0000000000000000000000000000000000000000000000000000000000000001'})] | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-8 | Option 2: Polygon Mainnet#
contractAddress = "0x448676ffCd0aDf2D85C1f0565e8dde6924A9A7D9" # Polygon Mainnet contract address
blockchainType = BlockchainType.POLYGON_MAINNET
blockchainLoader = BlockchainDocumentLoader(contractAddress, blockchainType)
nfts = blockchainLoader.load()
nfts[:2] | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-9 | [Document(page_content="{'contract': {'address': '0x448676ffcd0adf2d85c1f0565e8dde6924a9a7d9'}, 'id': {'tokenId': '0x01', 'tokenMetadata': {'tokenType': 'ERC1155'}}, 'title': 'Wyatt Horton #0001', 'description': 'A sleepy capybara', 'tokenUri': {'gateway': 'https://storage.googleapis.com/minted-nfts/smoothstack/avatars... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-10 | 'trait_type': 'Category'}, {'value': 'Capybara', 'trait_type': 'Class'}, {'value': 'Fall 2022', 'trait_type': 'Collection'}, {'value': 'Furry', 'trait_type': 'Feature'}]}, 'timeLastUpdated': '2023-04-20T14:38:24.947Z', 'contractMetadata': {'name': 'Smoothstack - Avatars', 'symbol': 'SMTH', 'tokenType': 'ERC1155', 'cont... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-11 | Document(page_content="{'contract': {'address': '0x448676ffcd0adf2d85c1f0565e8dde6924a9a7d9'}, 'id': {'tokenId': '0x02', 'tokenMetadata': {'tokenType': 'ERC1155'}}, 'title': 'Dylan Leisler #0002', 'description': 'A chipper cat with a big, red bowtie', 'tokenUri': {'gateway': 'https://storage.googleapis.com/minted-nfts/... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-12 | 'Avatar', 'trait_type': 'Type'}, {'value': 'Animal', 'trait_type': 'Category'}, {'value': 'Cat', 'trait_type': 'Class'}, {'value': 'Fall 2022', 'trait_type': 'Collection'}, {'value': 'Red Bowtie', 'trait_type': 'Feature'}]}, 'timeLastUpdated': '2023-04-23T13:38:29.316Z', 'contractMetadata': {'name': 'Smoothstack - Avat... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-13 | (Optional) Using the Blockchain Document Loader#
Setup Splitter and Index#
%pip install sentence_transformers chromadb openai tiktoken -q
Note: you may need to restart the kernel to use updated packages.
from langchain.indexes import VectorstoreIndexCreator
from langchain.embeddings import HuggingFaceEmbeddings
from la... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
6846c9e65fae-14 | ' There are 10,000 unique Bored Ape NFTs.'
previous
Blackboard
next
ChatGPT Data Loader
Contents
Overview
Setup
Create a Blockchain Document Loader
Option 1: Ethereum Mainnet (default BlockchainType)
Option 2: Polygon Mainnet
(Optional) Using the Blockchain Document Loader
Setup Splitter and Index
Setup Models and ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/blockchain.html |
7ca938b9d340-0 | .ipynb
.pdf
Facebook Chat
Facebook Chat#
This notebook covers how to load data from the Facebook Chats into a format that can be ingested into LangChain.
from langchain.document_loaders import FacebookChatLoader
loader = FacebookChatLoader("example_data/facebook_chat.json")
loader.load()
[Document(page_content='User 2 ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/facebook_chat.html |
7ca938b9d340-1 | previous
EverNote
next
Figma
By Harrison Chase
© Copyright 2023, Harrison Chase.
Last updated on Apr 25, 2023. | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/facebook_chat.html |
85fa031ccc61-0 | .ipynb
.pdf
Diffbot
Diffbot#
This covers how to extract HTML documents from a list of URLs using the Diffbot extract API, into a document format that we can use downstream.
urls = [
"https://python.langchain.com/en/latest/index.html",
]
The Diffbot Extract API Requires an API token. Once you have it, you can extrac... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-1 | [Document(page_content='LangChain is a framework for developing applications powered by language models. We believe that the most powerful and differentiated applications will not only call out to a language model via an API, but will also:\nBe data-aware: connect a language model to other sources of data\nBe agentic: ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-2 | This includes prompt management, prompt optimization, and prompt serialization.\nMemory: Memory is the concept of persisting state between calls of a chain/agent. LangChain provides a standard interface for memory, a collection of memory implementations, and examples of chains/agents that use memory.\nIndexes: Language... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-3 | ways. LangChain also provides guidance and assistance in this. Below are some of the common use cases LangChain supports.\nPersonal Assistants: The main LangChain use case. Personal assistants need to take actions, remember interactions, and have knowledge about your data.\nQuestion Answering: The second big LangChain ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-4 | type of Data Augmented Generation.\nEvaluation: Generative models are notoriously hard to evaluate with traditional metrics. One new way of evaluating them is using language models themselves to do the evaluation. LangChain provides some prompts/chains for assisting in this.\nReference Docs\nAll of LangChain’s referenc... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-5 | template repositories for deploying LangChain apps.\nTracing: A guide on using tracing in LangChain to visualize the execution of chains and agents.\nModel Laboratory: Experimenting with different prompts, models, and chains is a big part of developing the best possible application. The ModelLaboratory makes it easy to... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
85fa031ccc61-6 | previous
DataFrame Loader
next
Directory Loader
By Harrison Chase
© Copyright 2023, Harrison Chase.
Last updated on Apr 25, 2023. | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/diffbot.html |
dc385b7176ef-0 | .ipynb
.pdf
Images
Contents
Using Unstructured
Retain Elements
Images#
This covers how to load images such as JPGs PNGs into a document format that we can use downstream.
Using Unstructured#
from langchain.document_loaders.image import UnstructuredImageLoader
loader = UnstructuredImageLoader("layout-parser-paper-fast... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/image.html |
dc385b7176ef-1 | Document(page_content="LayoutParser: A Unified Toolkit for Deep\nLearning Based Document Image Analysis\n\n\n‘Zxjiang Shen' (F3}, Ruochen Zhang”, Melissa Dell*, Benjamin Charles Germain\nLeet, Jacob Carlson, and Weining LiF\n\n\nsugehen\n\nshangthrows, et\n\n“Abstract. Recent advanocs in document image analysis (DIA) h... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/image.html |
dc385b7176ef-2 | streamlining the sage of DL in DIA research and appicn\n‘tons The core LayoutFaraer brary comes with a sch of simple and\nIntative interfaee or applying and eutomiing DI. odel fr Inyo de\npltfom for sharing both protrined modes an fal document dist\n{ation pipeline We demonutate that LayootPareer shea fr both\nlightwei... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/image.html |
dc385b7176ef-3 | Retain Elements#
Under the hood, Unstructured creates different “elements” for different chunks of text. By default we combine those together, but you can easily keep that separation by specifying mode="elements".
loader = UnstructuredImageLoader("layout-parser-paper-fast.jpg", mode="elements")
data = loader.load()
dat... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/image.html |
af0be6ee84e5-0 | .ipynb
.pdf
Notion
Contents
🧑 Instructions for ingesting your own dataset
Notion#
This notebook covers how to load documents from a Notion database dump.
In order to get this notion dump, follow these instructions:
🧑 Instructions for ingesting your own dataset#
Export your dataset from Notion. You can do this by cl... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/notion.html |
1821d4a7af95-0 | .ipynb
.pdf
Unstructured File Loader
Contents
Retain Elements
Define a Partitioning Strategy
PDF Example
Unstructured File Loader#
This notebook covers how to use Unstructured to load files of many types. Unstructured currently supports loading of text files, powerpoints, html, pdfs, images, and more.
# # Install pac... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/unstructured_file.html |
1821d4a7af95-1 | loader = UnstructuredFileLoader("./example_data/state_of_the_union.txt", mode="elements")
docs = loader.load()
docs[:5]
[Document(page_content='Madam Speaker, Madam Vice President, our First Lady and Second Gentleman. Members of Congress and the Cabinet. Justices of the Supreme Court. My fellow Americans.', lookup_str=... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/unstructured_file.html |
1821d4a7af95-2 | from langchain.document_loaders import UnstructuredFileLoader
loader = UnstructuredFileLoader("layout-parser-paper-fast.pdf", strategy="fast", mode="elements")
docs = loader.load()
docs[:5]
[Document(page_content='1', lookup_str='', metadata={'source': 'layout-parser-paper-fast.pdf', 'filename': 'layout-parser-paper-fa... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/unstructured_file.html |
1821d4a7af95-3 | docs = loader.load()
docs[:5]
[Document(page_content='LayoutParser : A Unified Toolkit for Deep Learning Based Document Image Analysis', lookup_str='', metadata={'source': '../../layout-parser-paper.pdf'}, lookup_index=0),
Document(page_content='Zejiang Shen 1 ( (ea)\n ), Ruochen Zhang 2 , Melissa Dell 3 , Benjamin Cha... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/unstructured_file.html |
ca5ac21e7c77-0 | .ipynb
.pdf
Obsidian
Obsidian#
This notebook covers how to load documents from an Obsidian database.
Since Obsidian is just stored on disk as a folder of Markdown files, the loader just takes a path to this directory.
Obsidian files also sometimes contain metadata which is a YAML block at the top of the file. These val... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/obsidian.html |
56dee8ed8408-0 | .ipynb
.pdf
Azure Blob Storage File
Azure Blob Storage File#
This covers how to load document objects from a Azure Blob Storage file.
from langchain.document_loaders import AzureBlobStorageFileLoader
#!pip install azure-storage-blob
loader = AzureBlobStorageFileLoader(conn_str='<connection string>', container='<contain... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/azure_blob_storage_file.html |
d6e1ea29d860-0 | .ipynb
.pdf
Twitter
Twitter#
This loader fetches the text from the Tweets of a list of Twitter users, using the tweepy Python package.
You must initialize the loader with your Twitter API token, and you need to pass in the Twitter username you want to extract.
from langchain.document_loaders import TwitterTweetLoader
#... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-1 | [Document(page_content='@MrAndyNgo @REI One store after another shutting down', metadata={'created_at': 'Tue Apr 18 03:45:50 +0000 2023', 'user_info': {'id': 44196397, 'id_str': '44196397', 'name': 'Elon Musk', 'screen_name': 'elonmusk', 'location': 'A Shortfall of Gravitas', 'profile_location': None, 'description': 'n... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-2 | [], 'user_mentions': [{'screen_name': 'MrAndyNgo', 'name': 'Andy Ngô 🏳️\u200d🌈', 'id': 2835451658, 'id_str': '2835451658', 'indices': [0, 10]}, {'screen_name': 'REI', 'name': 'REI', 'id': 16583846, 'id_str': '16583846', 'indices': [11, 15]}], 'urls': []}, 'source': '<a href="http://twitter.com/download/iphone" rel="n... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-3 | 'profile_background_tile': False, 'profile_image_url': 'http://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_image_url_https': 'https://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_banner_url': 'https://pbs.twimg.com/profile_banners/44196397/157618347... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-4 | Document(page_content='@KanekoaTheGreat @joshrogin @glennbeck Large ships are fundamentally vulnerable to ballistic (hypersonic) missiles', metadata={'created_at': 'Tue Apr 18 03:43:25 +0000 2023', 'user_info': {'id': 44196397, 'id_str': '44196397', 'name': 'Elon Musk', 'screen_name': 'elonmusk', 'location': 'A Shortfa... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-5 | down', 'truncated': False, 'entities': {'hashtags': [], 'symbols': [], 'user_mentions': [{'screen_name': 'MrAndyNgo', 'name': 'Andy Ngô 🏳️\u200d🌈', 'id': 2835451658, 'id_str': '2835451658', 'indices': [0, 10]}, {'screen_name': 'REI', 'name': 'REI', 'id': 16583846, 'id_str': '16583846', 'indices': [11, 15]}], 'urls': ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-6 | 'http://abs.twimg.com/images/themes/theme1/bg.png', 'profile_background_image_url_https': 'https://abs.twimg.com/images/themes/theme1/bg.png', 'profile_background_tile': False, 'profile_image_url': 'http://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_image_url_https': 'https://pbs.twi... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-7 | Document(page_content='@KanekoaTheGreat The Golden Rule', metadata={'created_at': 'Tue Apr 18 03:37:17 +0000 2023', 'user_info': {'id': 44196397, 'id_str': '44196397', 'name': 'Elon Musk', 'screen_name': 'elonmusk', 'location': 'A Shortfall of Gravitas', 'profile_location': None, 'description': 'nothing', 'url': None, ... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-8 | 'MrAndyNgo', 'name': 'Andy Ngô 🏳️\u200d🌈', 'id': 2835451658, 'id_str': '2835451658', 'indices': [0, 10]}, {'screen_name': 'REI', 'name': 'REI', 'id': 16583846, 'id_str': '16583846', 'indices': [11, 15]}], 'urls': []}, 'source': '<a href="http://twitter.com/download/iphone" rel="nofollow">Twitter for iPhone</a>', 'in_... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-9 | 'profile_background_tile': False, 'profile_image_url': 'http://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_image_url_https': 'https://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_banner_url': 'https://pbs.twimg.com/profile_banners/44196397/157618347... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-10 | Document(page_content='@KanekoaTheGreat 🧐', metadata={'created_at': 'Tue Apr 18 03:35:48 +0000 2023', 'user_info': {'id': 44196397, 'id_str': '44196397', 'name': 'Elon Musk', 'screen_name': 'elonmusk', 'location': 'A Shortfall of Gravitas', 'profile_location': None, 'description': 'nothing', 'url': None, 'entities': {... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-11 | 'MrAndyNgo', 'name': 'Andy Ngô 🏳️\u200d🌈', 'id': 2835451658, 'id_str': '2835451658', 'indices': [0, 10]}, {'screen_name': 'REI', 'name': 'REI', 'id': 16583846, 'id_str': '16583846', 'indices': [11, 15]}], 'urls': []}, 'source': '<a href="http://twitter.com/download/iphone" rel="nofollow">Twitter for iPhone</a>', 'in_... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-12 | 'profile_background_tile': False, 'profile_image_url': 'http://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_image_url_https': 'https://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_banner_url': 'https://pbs.twimg.com/profile_banners/44196397/157618347... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-13 | Document(page_content='@TRHLofficial What’s he talking about and why is it sponsored by Erik’s son?', metadata={'created_at': 'Tue Apr 18 03:32:17 +0000 2023', 'user_info': {'id': 44196397, 'id_str': '44196397', 'name': 'Elon Musk', 'screen_name': 'elonmusk', 'location': 'A Shortfall of Gravitas', 'profile_location': N... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-14 | 'entities': {'hashtags': [], 'symbols': [], 'user_mentions': [{'screen_name': 'MrAndyNgo', 'name': 'Andy Ngô 🏳️\u200d🌈', 'id': 2835451658, 'id_str': '2835451658', 'indices': [0, 10]}, {'screen_name': 'REI', 'name': 'REI', 'id': 16583846, 'id_str': '16583846', 'indices': [11, 15]}], 'urls': []}, 'source': '<a href="ht... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
d6e1ea29d860-15 | 'http://abs.twimg.com/images/themes/theme1/bg.png', 'profile_background_image_url_https': 'https://abs.twimg.com/images/themes/theme1/bg.png', 'profile_background_tile': False, 'profile_image_url': 'http://pbs.twimg.com/profile_images/1590968738358079488/IY9Gx6Ok_normal.jpg', 'profile_image_url_https': 'https://pbs.twi... | https://python.langchain.com/en/latest/modules/indexes/document_loaders/examples/twitter.html |
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