DeepsetDocumentMetadataPreProcessor
Process and transform metadata.
Basic Information
- Type:
deepset_cloud_custom_nodes.preprocessors.document_metadata_preprocessor.DeepsetDocumentMetadataPreProcessor - Components it can connect with:
- Any component that outputs documents and accepts documents as input, such as Rankers or Retrievers.
Inputs
| Parameter | Type | Default | Description |
|---|---|---|---|
| documents | Optional[List[Document]] | List of Documents to process. |
Outputs
| Parameter | Type | Default | Description |
|---|---|---|---|
| documents | List[Document] | Processed documents. |
Overview
DeepsetDocumentMetadataPreProcessor can replace specific metadata keys and convert metadata into document content. Use it for operations on metadata.
Usage Example
Initializing the Component
components:
DeepsetDocumentMetadataPreProcessor:
type: preprocessors.document_metadata_preprocessor.DeepsetDocumentMetadataPreProcessor
init_parameters:
Using the Component in an Index
Replacing Metadata Keys
In this index, DeepsetDocumentMetadataPreProcessor normalizes all metadata keys into a unified key. Such index could work on legal documents from different sources, such as courts, law firms, or regulation bodies that often use inconsistent metadata keys. Some documents use judge_name, others presiding_officer, while we want a key called judge.
components:
file_classifier:
type: haystack.components.routers.file_type_router.FileTypeRouter
init_parameters:
mime_types:
- text/plain
- application/pdf
- text/markdown
- text/html
- application/vnd.openxmlformats-officedocument.wordprocessingml.document
- application/vnd.openxmlformats-officedocument.presentationml.presentation
- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
- text/csv
text_converter:
type: haystack.components.converters.txt.TextFileToDocument
init_parameters:
encoding: utf-8
pdf_converter:
type: haystack.components.converters.pdfminer.PDFMinerToDocument
init_parameters:
line_overlap: 0.5
char_margin: 2
line_margin: 0.5
word_margin: 0.1
boxes_flow: 0.5
detect_vertical: true
all_texts: false
store_full_path: false
markdown_converter:
type: haystack.components.converters.txt.TextFileToDocument
init_parameters:
encoding: utf-8
html_converter:
type: haystack.components.converters.html.HTMLToDocument
init_parameters:
# A dictionary of keyword arguments to customize how you want to extract content from your HTML files.
# For the full list of available arguments, see
# the [Trafilatura documentation](https://trafilatura.readthedocs.io/en/latest/corefunctions.html#extract).
extraction_kwargs:
output_format: markdown # Extract text from HTML. You can also also choose "txt"
target_language: # You can define a language (using the ISO 639-1 format) to discard documents that don't match that language.
include_tables: true # If true, includes tables in the output
include_links: true # If true, keeps links along with their targets
docx_converter:
type: haystack.components.converters.docx.DOCXToDocument
init_parameters:
link_format: markdown
pptx_converter:
type: haystack.components.converters.pptx.PPTXToDocument
init_parameters: {}
xlsx_converter:
type: haystack.components.converters.xlsx.XLSXToDocument
init_parameters: {}
csv_converter:
type: haystack.components.converters.csv.CSVToDocument
init_parameters:
encoding: utf-8
joiner:
type: haystack.components.joiners.document_joiner.DocumentJoiner
init_parameters:
join_mode: concatenate
sort_by_score: false
joiner_xlsx: # merge split documents with non-split xlsx documents
type: haystack.components.joiners.document_joiner.DocumentJoiner
init_parameters:
join_mode: concatenate
sort_by_score: false
splitter:
type: haystack.components.preprocessors.document_splitter.DocumentSplitter
init_parameters:
split_by: word
split_length: 250
split_overlap: 30
respect_sentence_boundary: true
language: en
document_embedder:
type: deepset_cloud_custom_nodes.embedders.nvidia.document_embedder.DeepsetNvidiaDocumentEmbedder
init_parameters:
normalize_embeddings: true
model: intfloat/e5-base-v2
writer:
type: haystack.components.writers.document_writer.DocumentWriter
init_parameters:
document_store:
type: haystack_integrations.document_stores.opensearch.document_store.OpenSearchDocumentStore
init_parameters:
hosts:
index: ''
max_chunk_bytes: 104857600
embedding_dim: 768
return_embedding: false
method:
mappings:
settings:
create_index: true
http_auth:
use_ssl:
verify_certs:
timeout:
policy: OVERWRITE
DeepsetDocumentMetadataPreProcessor:
type: deepset_cloud_custom_nodes.preprocessors.document_metadata_preprocessor.DeepsetDocumentMetadataPreProcessor
init_parameters:
replace_fields:
- judge_name: judge
- presiding_officer: judge
convert_meta_to_content: false
meta_fields_to_convert:
line_prefix: '- '
debug: false
connections: # Defines how the components are connected
- sender: file_classifier.text/plain
receiver: text_converter.sources
- sender: file_classifier.application/pdf
receiver: pdf_converter.sources
- sender: file_classifier.text/markdown
receiver: markdown_converter.sources
- sender: file_classifier.text/html
receiver: html_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.wordprocessingml.document
receiver: docx_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.presentationml.presentation
receiver: pptx_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
receiver: xlsx_converter.sources
- sender: file_classifier.text/csv
receiver: csv_converter.sources
- sender: text_converter.documents
receiver: joiner.documents
- sender: pdf_converter.documents
receiver: joiner.documents
- sender: markdown_converter.documents
receiver: joiner.documents
- sender: html_converter.documents
receiver: joiner.documents
- sender: docx_converter.documents
receiver: joiner.documents
- sender: pptx_converter.documents
receiver: joiner.documents
- sender: splitter.documents
receiver: joiner_xlsx.documents
- sender: xlsx_converter.documents
receiver: joiner_xlsx.documents
- sender: csv_converter.documents
receiver: joiner_xlsx.documents
- sender: joiner_xlsx.documents
receiver: document_embedder.documents
- sender: document_embedder.documents
receiver: writer.documents
- sender: joiner.documents
receiver: DeepsetDocumentMetadataPreProcessor.documents
- sender: DeepsetDocumentMetadataPreProcessor.documents
receiver: splitter.documents
inputs: # Define the inputs for your pipeline
files: # This component will receive the files to index as input
- file_classifier.sources
max_runs_per_component: 100
metadata: {}
Converting Metadata Into content
This example converts the metadata containing the judge name into the document content. This may be a good solution for full text search. The component adds the judge: judge_name to the document content while retaining them in the metadata as well:
components:
file_classifier:
type: haystack.components.routers.file_type_router.FileTypeRouter
init_parameters:
mime_types:
- text/plain
- application/pdf
- text/markdown
- text/html
- application/vnd.openxmlformats-officedocument.wordprocessingml.document
- application/vnd.openxmlformats-officedocument.presentationml.presentation
- application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
- text/csv
text_converter:
type: haystack.components.converters.txt.TextFileToDocument
init_parameters:
encoding: utf-8
pdf_converter:
type: haystack.components.converters.pdfminer.PDFMinerToDocument
init_parameters:
line_overlap: 0.5
char_margin: 2
line_margin: 0.5
word_margin: 0.1
boxes_flow: 0.5
detect_vertical: true
all_texts: false
store_full_path: false
markdown_converter:
type: haystack.components.converters.txt.TextFileToDocument
init_parameters:
encoding: utf-8
html_converter:
type: haystack.components.converters.html.HTMLToDocument
init_parameters:
# A dictionary of keyword arguments to customize how you want to extract content from your HTML files.
# For the full list of available arguments, see
# the [Trafilatura documentation](https://trafilatura.readthedocs.io/en/latest/corefunctions.html#extract).
extraction_kwargs:
output_format: markdown # Extract text from HTML. You can also also choose "txt"
target_language: # You can define a language (using the ISO 639-1 format) to discard documents that don't match that language.
include_tables: true # If true, includes tables in the output
include_links: true # If true, keeps links along with their targets
docx_converter:
type: haystack.components.converters.docx.DOCXToDocument
init_parameters:
link_format: markdown
pptx_converter:
type: haystack.components.converters.pptx.PPTXToDocument
init_parameters: {}
xlsx_converter:
type: haystack.components.converters.xlsx.XLSXToDocument
init_parameters: {}
csv_converter:
type: haystack.components.converters.csv.CSVToDocument
init_parameters:
encoding: utf-8
joiner:
type: haystack.components.joiners.document_joiner.DocumentJoiner
init_parameters:
join_mode: concatenate
sort_by_score: false
joiner_xlsx: # merge split documents with non-split xlsx documents
type: haystack.components.joiners.document_joiner.DocumentJoiner
init_parameters:
join_mode: concatenate
sort_by_score: false
splitter:
type: haystack.components.preprocessors.document_splitter.DocumentSplitter
init_parameters:
split_by: word
split_length: 250
split_overlap: 30
respect_sentence_boundary: true
language: en
document_embedder:
type: deepset_cloud_custom_nodes.embedders.nvidia.document_embedder.DeepsetNvidiaDocumentEmbedder
init_parameters:
normalize_embeddings: true
model: intfloat/e5-base-v2
writer:
type: haystack.components.writers.document_writer.DocumentWriter
init_parameters:
document_store:
type: haystack_integrations.document_stores.opensearch.document_store.OpenSearchDocumentStore
init_parameters:
hosts:
index: ''
max_chunk_bytes: 104857600
embedding_dim: 768
return_embedding: false
method:
mappings:
settings:
create_index: true
http_auth:
use_ssl:
verify_certs:
timeout:
policy: OVERWRITE
DeepsetDocumentMetadataPreProcessor:
type: deepset_cloud_custom_nodes.preprocessors.document_metadata_preprocessor.DeepsetDocumentMetadataPreProcessor
init_parameters:
replace_fields: "\\n"
convert_meta_to_content: true
meta_fields_to_convert: judge
line_prefix: '- '
debug: false
connections: # Defines how the components are connected
- sender: file_classifier.text/plain
receiver: text_converter.sources
- sender: file_classifier.application/pdf
receiver: pdf_converter.sources
- sender: file_classifier.text/markdown
receiver: markdown_converter.sources
- sender: file_classifier.text/html
receiver: html_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.wordprocessingml.document
receiver: docx_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.presentationml.presentation
receiver: pptx_converter.sources
- sender: file_classifier.application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
receiver: xlsx_converter.sources
- sender: file_classifier.text/csv
receiver: csv_converter.sources
- sender: text_converter.documents
receiver: joiner.documents
- sender: pdf_converter.documents
receiver: joiner.documents
- sender: markdown_converter.documents
receiver: joiner.documents
- sender: html_converter.documents
receiver: joiner.documents
- sender: docx_converter.documents
receiver: joiner.documents
- sender: pptx_converter.documents
receiver: joiner.documents
- sender: splitter.documents
receiver: joiner_xlsx.documents
- sender: xlsx_converter.documents
receiver: joiner_xlsx.documents
- sender: csv_converter.documents
receiver: joiner_xlsx.documents
- sender: joiner_xlsx.documents
receiver: document_embedder.documents
- sender: document_embedder.documents
receiver: writer.documents
- sender: joiner.documents
receiver: DeepsetDocumentMetadataPreProcessor.documents
- sender: DeepsetDocumentMetadataPreProcessor.documents
receiver: splitter.documents
inputs: # Define the inputs for your pipeline
files: # This component will receive the files to index as input
- file_classifier.sources
max_runs_per_component: 100
metadata: {}
Parameters
Init Parameters
These are the parameters you can configure in Pipeline Builder:
| Parameter | Type | Default | Description |
|---|---|---|---|
| replace_fields | Optional[dict] | None | Dictionary with the metadata fields to replace. It must contain the names of the fields to replace and their new values. For example: presiding_officer: judge replaces metadata fields called "presiding_officer" with "judge". |
| convert_meta_to_content | Optional[bool] | False | Converts metadata to document content. |
| meta_fields_to_convert | Optional[List[str]] | None | List of metadata fields to convert to content. If None, all metadata fields are converted. |
| line_prefix | str | - | Prefix to add to each line of the converted metadata. |
| debug | bool | False | Displays debugging information for the component. |
Run Method Parameters
These are the parameters you can configure for the component's run() method. This means you can pass these parameters at query time through the API, in Playground, or when running a job. For details, see Modify Pipeline Parameters at Query Time.
| Parameter | Type | Default | Description |
|---|---|---|---|
| documents | Optional[List[Document]] | List of Documents to process. |
Updated 21 days ago