@eyurtsev
当Confluence文档内容中包含附件，且附件内容为非英文时，提取出来的文本是乱码的。
When the content of the document contains attachments, and the content
of the attachments is not in English, the extracted text is garbled.
这主要是因为没有为pytesseract传递lang参数，默认情况下只支持英文。
This is mainly because lang parameter is not passed to pytesseract, and
only English is supported by default.
所以我给ConfluenceLoader.load()添加了ocr_languages参数，以便支持多种语言。
So I added the ocr_languages parameter to ConfluenceLoader.load () to
support multiple languages.
Fixes (not reported) an error that may occur in some cases in the
RecursiveCharacterTextSplitter.
An empty `new_separators` array ([]) would end up in the else path of
the condition below and used in a function where it is expected to be
non empty.
```python
if new_separators is None:
...
else:
# _split_text() expects this array to be non-empty!
other_info = self._split_text(s, new_separators)
```
resulting in an `IndexError`
```python
def _split_text(self, text: str, separators: List[str]) -> List[str]:
"""Split incoming text and return chunks."""
final_chunks = []
# Get appropriate separator to use
> separator = separators[-1]
E IndexError: list index out of range
langchain/text_splitter.py:425: IndexError
```
#### Who can review?
@hwchase17 @eyurtsev
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
This fixes a token limit bug in the
SentenceTransformersTokenTextSplitter. Before the token limit was taken
from tokenizer used by the model. However, for some models the token
limit of the tokenizer (from `AutoTokenizer.from_pretrained`) does not
equal the token limit of the model. This was a false assumption.
Therefore, the token limit of the text splitter is now taken from the
sentence transformers model token limit.
Twitter: @plasmajens
#### Before submitting
#### Who can review?
@hwchase17 and/or @dev2049
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
This PR updates the Vectara integration (@hwchase17 ):
* Adds reuse of requests.session to imrpove efficiency and speed.
* Utilizes Vectara's low-level API (instead of standard API) to better
match user's specific chunking with LangChain
* Now add_texts puts all the texts into a single Vectara document so
indexing is much faster.
* updated variables names from alpha to lambda_val (to be consistent
with Vectara docs) and added n_context_sentence so it's available to use
if needed.
* Updates to documentation and tests
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
# Unstructured XML Loader
Adds an `UnstructuredXMLLoader` class for .xml files. Works with
unstructured>=0.6.7. A plain text representation of the text with the
XML tags will be available under the `page_content` attribute in the
doc.
### Testing
```python
from langchain.document_loaders import UnstructuredXMLLoader
loader = UnstructuredXMLLoader(
"example_data/factbook.xml",
)
docs = loader.load()
```
## Who can review?
@hwchase17
@eyurtsev
Added AwaDB vector store, which is a wrapper over the AwaDB, that can be
used as a vector storage and has an efficient similarity search. Added
integration tests for the vector store
Added jupyter notebook with the example
Delete a unneeded empty file and resolve the
conflict(https://github.com/hwchase17/langchain/pull/5886)
Please check, Thanks!
@dev2049
@hwchase17
---------
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Fixes # (issue)
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---------
Co-authored-by: ljeagle <vincent_jieli@yeah.net>
Co-authored-by: vincent <awadb.vincent@gmail.com>
Based on the inspiration from the SQL chain, the following three
parameters are added to Graph Cypher Chain.
- top_k: Limited the number of results from the database to be used as
context
- return_direct: Return database results without transforming them to
natural language
- return_intermediate_steps: Return intermediate steps
Hi,
This is a fix for https://github.com/hwchase17/langchain/pull/5014. This
PR forgot to add the ability to self solve the ValueError(f"Could not
parse LLM output: {llm_output}") error for `_atake_next_step`.
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**Fix SnowflakeLoader's Behavior of Returning Empty Documents**
**Description:**
This PR addresses the issue where the SnowflakeLoader was consistently
returning empty documents. After investigation, it was found that the
query method within the SnowflakeLoader was not properly fetching and
processing the data.
**Changes:**
1. Modified the query method in SnowflakeLoader to handle data fetch and
processing more accurately.
2. Enhanced error handling within the SnowflakeLoader to catch and log
potential issues that may arise during data loading.
**Impact:**
This fix will ensure the SnowflakeLoader reliably returns the expected
documents instead of empty ones, improving the efficiency and
reliability of data processing tasks in the LangChain project.
Before Fix:
`[
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={}),
Document(page_content='', metadata={})
]`
After Fix:
`[Document(page_content='CUSTOMER_ID: 1\nFIRST_NAME: John\nLAST_NAME:
Doe\nEMAIL: john.doe@example.com\nPHONE: 555-123-4567\nADDRESS: 123 Elm
St, San Francisco, CA 94102', metadata={}),
Document(page_content='CUSTOMER_ID: 2\nFIRST_NAME: Jane\nLAST_NAME:
Doe\nEMAIL: jane.doe@example.com\nPHONE: 555-987-6543\nADDRESS: 456 Oak
St, San Francisco, CA 94103', metadata={}),
Document(page_content='CUSTOMER_ID: 3\nFIRST_NAME: Michael\nLAST_NAME:
Smith\nEMAIL: michael.smith@example.com\nPHONE: 555-234-5678\nADDRESS:
789 Pine St, San Francisco, CA 94104', metadata={}),
Document(page_content='CUSTOMER_ID: 4\nFIRST_NAME: Emily\nLAST_NAME:
Johnson\nEMAIL: emily.johnson@example.com\nPHONE: 555-345-6789\nADDRESS:
321 Maple St, San Francisco, CA 94105', metadata={}),
Document(page_content='CUSTOMER_ID: 5\nFIRST_NAME: David\nLAST_NAME:
Williams\nEMAIL: david.williams@example.com\nPHONE:
555-456-7890\nADDRESS: 654 Birch St, San Francisco, CA 94106',
metadata={}), Document(page_content='CUSTOMER_ID: 6\nFIRST_NAME:
Emma\nLAST_NAME: Jones\nEMAIL: emma.jones@example.com\nPHONE:
555-567-8901\nADDRESS: 987 Cedar St, San Francisco, CA 94107',
metadata={}), Document(page_content='CUSTOMER_ID: 7\nFIRST_NAME:
Oliver\nLAST_NAME: Brown\nEMAIL: oliver.brown@example.com\nPHONE:
555-678-9012\nADDRESS: 147 Cherry St, San Francisco, CA 94108',
metadata={}), Document(page_content='CUSTOMER_ID: 8\nFIRST_NAME:
Sophia\nLAST_NAME: Davis\nEMAIL: sophia.davis@example.com\nPHONE:
555-789-0123\nADDRESS: 369 Walnut St, San Francisco, CA 94109',
metadata={}), Document(page_content='CUSTOMER_ID: 9\nFIRST_NAME:
James\nLAST_NAME: Taylor\nEMAIL: james.taylor@example.com\nPHONE:
555-890-1234\nADDRESS: 258 Hawthorn St, San Francisco, CA 94110',
metadata={}), Document(page_content='CUSTOMER_ID: 10\nFIRST_NAME:
Isabella\nLAST_NAME: Wilson\nEMAIL: isabella.wilson@example.com\nPHONE:
555-901-2345\nADDRESS: 963 Aspen St, San Francisco, CA 94111',
metadata={})]
`
**Tests:**
All unit and integration tests have been run and passed successfully.
Additional tests were added to validate the new behavior of the
SnowflakeLoader.
**Checklist:**
- [x] Code changes are covered by tests
- [x] Code passes `make format` and `make lint`
- [x] This PR does not introduce any breaking changes
Please review and let me know if any changes are required.
"One Retriever to merge them all, One Retriever to expose them, One
Retriever to bring them all and in and process them with Document
formatters."
Hi @dev2049! Here bothering people again!
I'm using this simple idea to deal with merging the output of several
retrievers into one.
I'm aware of DocumentCompressorPipeline and
ContextualCompressionRetriever but I don't think they allow us to do
something like this. Also I was getting in trouble to get the pipeline
working too. Please correct me if i'm wrong.
This allow to do some sort of "retrieval" preprocessing and then using
the retrieval with the curated results anywhere you could use a
retriever.
My use case is to generate diff indexes with diff embeddings and sources
for a more colorful results then filtering them with one or many
document formatters.
I saw some people looking for something like this, here:
https://github.com/hwchase17/langchain/issues/3991
and something similar here:
https://github.com/hwchase17/langchain/issues/5555
This is just a proposal I know I'm missing tests , etc. If you think
this is a worth it idea I can work on tests and anything you want to
change.
Let me know!
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
# Expose full params in Qdrant
There were many questions regarding supporting some additional
parameters in Qdrant integration. Qdrant supports many vector search
optimizations that were impossible to use directly in Qdrant before.
That includes:
1. Possibility to manipulate collection params while using
`Qdrant.from_texts`. The PR allows setting things such as quantization,
HNWS config, optimizers config, etc. That makes it consistent with raw
`QdrantClient`.
2. Extended options while searching. It includes HNSW options, exact
search, score threshold filtering, and read consistency in distributed
mode.
After merging that PR, #4858 might also be closed.
## Who can review?
VectorStores / Retrievers / Memory
@dev2049 @hwchase17
This PR adds the possibility of specifying the endpoint URL to AWS in
the DynamoDBChatMessageHistory, so that it is possible to target not
only the AWS cloud services, but also a local installation.
Specifying the endpoint URL, which is normally not done when addressing
the cloud services, is very helpful when targeting a local instance
(like [Localstack](https://localstack.cloud/)) when running local tests.
Fixes#5835
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---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Fixes proxy error.
Since openai does not parse proxy parameters and uses openai.proxy
directly, the proxy method needs to be modified.
7610c5adfa/openai/api_requestor.py (LL90)
#### Who can review?
@hwchase17 - project lead
Models
- @hwchase17
- @agola11
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
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#### Add start index to metadata in TextSplitter
- Modified method `create_documents` to track start position of each
chunk
- The `start_index` is included in the metadata if the `add_start_index`
parameter in the class constructor is set to `True`
This enables referencing back to the original document, particularly
useful when a specific chunk is retrieved.
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This PR adds a Baseten integration. I've done my best to follow the
contributor's guidelines and add docs, an example notebook, and an
integration test modeled after similar integrations' test.
Please let me know if there is anything I can do to improve the PR. When
it is merged, please tag https://twitter.com/basetenco and
https://twitter.com/philip_kiely as contributors (the note on the PR
template said to include Twitter accounts)
+ this private attribute is referenced as `arxiv_search` in internal
usage and is set when verifying the environment
twitter: @spazm
#### Who can review?
Any of @hwchase17, @leo-gan, or @bongsang might be interested in
reviewing.
+ Mismatch between `arxiv_client` attribute vs `arxiv_search` in
validation and usage is present in the initial commit by @hwchase17.
+ @leo-gan has made most of the edits.
+ @bongsang implemented pdf download.
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---------
Co-authored-by: rlm <pexpresss31@gmail.com>
Fix the document page to open both search and Mendable when pressing
Ctrl+K.
I have changed the shortcut for Mendable to Ctrl+J.
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`load_qa_with_sources_chain` method already support four type of chain,
including `map_rerank`. update document to prevent any misunderstandings
😀.
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Fixes # (issue)
No, just update document.
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Fixes#3983
Mimicing what we do for saving and loading VectorDBQA chain, I added the
logic for RetrievalQA chain.
Also added a unit test. I did not find how we test other chains for
their saving and loading functionality, so I just added a file with one
test case. Let me know if there are recommended ways to test it.
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---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
# Your PR Title (What it does)
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- Added `SingleStoreDB` vector store, which is a wrapper over the
SingleStore DB database, that can be used as a vector storage and has an
efficient similarity search.
- Added integration tests for the vector store
- Added jupyter notebook with the example
@dev2049
---------
Co-authored-by: Volodymyr Tkachuk <vtkachuk-ua@singlestore.com>
Co-authored-by: Dev 2049 <dev.dev2049@gmail.com>
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
# Allow callbacks to monitor ConversationalRetrievalChain
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I ran into an issue where load_qa_chain was not passing the callbacks
down to the child LLM chains, and so made sure that callbacks are
propagated. There are probably more improvements to do here but this
seemed like a good place to stop.
Note that I saw a lot of references to callbacks_manager, which seems to
be deprecated. I left that code alone for now.
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in the `ElasticKnnSearch` class added 2 arguments that were not exposed
properly
`knn_search` added:
- `vector_query_field: Optional[str] = 'vector'`
-- vector_query_field: Field name to use in knn search if not default
'vector'
`knn_hybrid_search` added:
- `vector_query_field: Optional[str] = 'vector'`
-- vector_query_field: Field name to use in knn search if not default
'vector'
- `query_field: Optional[str] = 'text'`
-- query_field: Field name to use in search if not default 'text'
Fixes # https://github.com/hwchase17/langchain/issues/5633
cc: @dev2049 @hwchase17
---------
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Simply fixing a small typo in the memory page.
Also removed an extra code block at the end of the file.
Along the way, the current outputs seem to have changed in a few places
so left that for posterity, and updated the number of runs which seems
harmless, though I can clean that up if preferred.
Implementation of similarity_search_with_relevance_scores for quadrant
vector store.
As implemented the method is also compatible with other capacities such
as filtering.
Integration tests updated.
#### Who can review?
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This PR adds documentation for Shale Protocol's integration with
LangChain.
[Shale Protocol](https://shaleprotocol.com) provides forever-free
production-ready inference APIs to the open-source community. We have
global data centers and plan to support all major open LLMs (estimated
~1,000 by 2025).
The team consists of software and ML engineers, AI researchers,
designers, and operators across North America and Asia. Combined
together, the team has 50+ years experience in machine learning, cloud
infrastructure, software engineering and product development. Team
members have worked at places like Google and Microsoft.
#### Who can review?
Tag maintainers/contributors who might be interested:
- @hwchase17
- @agola11
---------
Co-authored-by: Karen Sheng <46656667+karensheng@users.noreply.github.com>
## Changes
- Added the `stop` param to the `_VertexAICommon` class so it can be set
at llm initialization
## Example Usage
```python
VertexAI(
# ...
temperature=0.15,
max_output_tokens=128,
top_p=1,
top_k=40,
stop=["\n```"],
)
```
## Possible Reviewers
- @hwchase17
- @agola11
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Add some logging into the powerbi tool so that you can see the queries
being sent to PBI and attempts to correct them.
<!-- Remove if not applicable -->
Fixes # (issue)
#### Before submitting
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#### Who can review?
Tag maintainers/contributors who might be interested: @vowelparrot
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### Summary
Adds an `UnstructuredCSVLoader` for loading CSVs. One advantage of using
`UnstructuredCSVLoader` relative to the standard `CSVLoader` is that if
you use `UnstructuredCSVLoader` in `"elements"` mode, an HTML
representation of the table will be available in the metadata.
#### Who can review?
@hwchase17
@eyurtsev
Vincent
Thomas B
Satheesh Valluru
Jens Madsen
Ofer Mendelevitch
qued
Lance Martin
Harrison Chase
Tomaz Bratanic
Daniel Grittner
constDave
Kaarthik Andavar
German Martin
Kacper Łukawski
Rubén Martínez
Lior
Fei Wang
felpigeon
Philip Kiely - Baseten
Tamara Lazarevic
Andrew Grangaard
sergiolrinditex
Zander Chase
Frank Hübner
Piyush Jain
小铭
warjiang
Liang Zhang
volodymyr-memsql
jjzhuo
Alec Flett
Jeff Vestal
Mark Marryatt
Dave Ingram
bnassivet
Ning Ren
Duarte OC
Aidan Holland
Eduard van Valkenburg
Matt Robinson