Drop Python 3.8 support (#163)

* Drop references to Python 3.8

* CHANGLOG

Author: stellasia

.github/workflows/pr-e2e-tests.yaml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.12']
+        python-version: ['3.9', '3.12']
         neo4j-version:
           - 5
         neo4j-edition:

.github/workflows/pr.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12' ]
+        python-version: [ '3.9', '3.10', '3.11', '3.12' ]
     steps:
       - name: Install graphviz package
         run: sudo apt install graphviz graphviz-dev

.github/workflows/publish.yaml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.8"
+          python-version: "3.9"
       - name: Install pypa/build
         run: >-
           python3 -m

.github/workflows/scheduled-e2e-tests.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         neo4j-version:
           - 5
         neo4j-edition:

CHANGELOG.md

@@ -5,10 +5,7 @@
 ### Added
 - Added AzureOpenAILLM and AzureOpenAIEmbeddings to support Azure served OpenAI models
 - Added `template` validation in `PromptTemplate` class upon construction.
-- `custom_prompt` arg is now converted to `Text2CypherTemplate` class within the `Text2CypherRetriever.get_search_results` method.
-- `Text2CypherTemplate` and `RAGTemplate` prompt templates now require `query_text` arg and will error if it is not present. Previous `query_text` aliases may be used, but will warn of deprecation.
 - Examples demonstrating the use of Mistral embeddings and LLM in RAG pipelines.
-- Fixed bug in `Text2CypherRetriever` using `custom_prompt` arg where the `search` method would not inject the `query_text` content.
 - Added feature to include kwargs in `Text2CypherRetriever.search()` that will be injected into a custom prompt, if provided.
 - Added validation to `custom_prompt` parameter of `Text2CypherRetriever` to ensure that `query_text` placeholder exists in prompt.
 - Introduced a fixed size text splitter component for splitting text into specified fixed size chunks with overlap. Updated examples and tests to utilize this new component.
@@ -20,6 +17,9 @@
 
 ### Fixed
 - Resolved import issue with the Vertex AI Embeddings class.
+- Fixed bug in `Text2CypherRetriever` using `custom_prompt` arg where the `search` method would not inject the `query_text` content.
+- `custom_prompt` arg is now converted to `Text2CypherTemplate` class within the `Text2CypherRetriever.get_search_results` method.
+- `Text2CypherTemplate` and `RAGTemplate` prompt templates now require `query_text` arg and will error if it is not present. Previous `query_text` aliases may be used, but will warn of deprecation.
 - Resolved issue where Neo4jWriter component would raise an error if the start or end node ID was not defined properly in the input.
 - Resolved issue where relationship types was not escaped in the insert Cypher query.
 - Improved query performance in Neo4jWriter.
@@ -28,6 +28,7 @@
 - Moved the Embedder class to the neo4j_graphrag.embeddings directory for better organization alongside other custom embedders.
 - Removed query argument from the GraphRAG class' `.search` method; users must now use `query_text`.
 - Neo4jWriter component now runs a single query to merge node and set its embeddings if any.
+- Dropped support for Python 3.8 (end of life).
 
 ## 0.6.3
 ### Changed

CONTRIBUTING.md

@@ -54,7 +54,7 @@ Remember that many community members have become regular contributors and some a
 ## Specifically for this project
 Setting up the development environment:
 
-1. Install Python 3.8.1+
+1. Install Python 3.9+
 2. Install poetry (see https://python-poetry.org/docs/#installation)
 3. Install dependencies:
 

README.md

@@ -14,13 +14,12 @@ Python versions supported:
 * Python 3.11 supported.
 * Python 3.10 supported.
 * Python 3.9 supported.
-* Python 3.8 supported.
 
 # Usage
 
 ## Installation
 
-This package requires Python (>=3.8.1).
+This package requires Python (>=3.9).
 
 To install the latest stable version, use:
 

docs/source/index.rst

@@ -27,7 +27,6 @@ Python versions supported:
 * Python 3.11
 * Python 3.10
 * Python 3.9
-* Python 3.8
 
 
 ******
@@ -60,7 +59,7 @@ Usage
 Installation
 ************
 
-This package requires Python (>=3.8.1).
+This package requires Python (>=3.9).
 
 To install the latest stable version, use:
 
@@ -302,4 +301,4 @@ Indices and tables
 
 * :ref:`genindex`
 * :ref:`modindex`
-* :ref:`search`
+* :ref:`search`

poetry.lock

@@ -28,7 +28,7 @@ include = "neo4j_graphrag"
 from = "src"
 
 [tool.poetry.dependencies]
-python = "^3.8.1"
+python = "^3.9.0"
 neo4j = "^5.17.0"
 pydantic = "^2.6.3"
 weaviate-client = {version = "^4.6.1", optional = true}