replace redis with FalkorDB driver

[gkorland]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes # (issue)

New Package?

Did I fill in the tool.llamahub section in the pyproject.toml and provide a detailed README.md for my new integration or package?

• Yes
• No

Version Bump?

Did I bump the version in the pyproject.toml file of the package I am updating? (Except for the llama-index-core package)

• Yes
• No

Type of Change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Added new unit/integration tests
• Added new notebook (that tests end-to-end)
• I stared at the code and made sure it makes sense

Suggested Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added Google Colab support for the newly added notebooks.
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I ran make format; make lint to appease the lint gods

Summary by CodeRabbit

• Refactor
  • Enhanced performance and reliability by switching database operations in the graph store from using redis to FalkorDB.

[coderabbitai]

Walkthrough

The overarching change involves transitioning from using redis to FalkorDB for graph store operations across various components of the llama-index project. This shift affects the initialization and query methods, aligning them with FalkorDB's interface for enhanced graph database interactions.

Changes

Files	Change Summary
.../base.py .../legacy/graph_stores/falkordb.py	Replaced redis dependency with FalkorDB for graph store operations. Updated initialization and query methods to accommodate FalkorDB's methods.
.../pyproject.toml	Updated the project dependency from redis to falkordb.

🐰✨📚
To FalkorDB we hop, from Redis we stray,
Through graph stores and queries, we find our new way.
A leap into the future, with data so vast,
Our indexes more robust, our searches so fast.
So here's to the change, may it smooth be and right,
As we hop towards progress, with each line we write.
🌟📈🐾

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[coderabbitai]

Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 47ec97f and b2a7a42.

Files selected for processing (3)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/llama_index/graph_stores/falkordb/base.py (2 hunks)
• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1 hunks)
• llama-index-legacy/llama_index/legacy/graph_stores/falkordb.py (1 hunks)

Additional Context Used

Additional comments not posted (5)

llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1)

35-35: The change from Redis to FalkorDB in the dependencies is noted and appears correctly implemented. Ensure that FalkorDB's version ^1.0.3 is compatible with the project's requirements and that there are no conflicts with other dependencies.

llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/llama_index/graph_stores/falkordb/base.py (2)

33-33: Initialization of FalkorDB with FalkorDB.from_url(url).select_graph(database) is correctly implemented. Consider adding error handling for potential connection issues to improve robustness.

---

33-33: The adaptation of query methods to FalkorDB is well done, including the use of read_only=True for read operations. Consider adding comments to explain complex queries for better maintainability.

Also applies to: 37-37

llama-index-legacy/llama_index/legacy/graph_stores/falkordb.py (2)

30-32: The dynamic import of FalkorDB with error handling is correctly implemented. Ensure this pattern is consistently used across the project for handling optional dependencies.

---

37-37: Adaptation of query methods to FalkorDB in the legacy context is well done. As previously mentioned, consider adding comments to complex queries for better maintainability.

[coderabbitai]

Actionable comments posted: 0

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Commits

Files that changed from the base of the PR and between b2a7a42 and 4aca677.

Files selected for processing (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1 hunks)

Files skipped from review as they are similar to previous changes (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml

Additional Context Used

[coderabbitai]

Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 4aca677 and dbfa351.

Files selected for processing (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1 hunks)

Files skipped from review as they are similar to previous changes (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml

Additional Context Used

[coderabbitai]

Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between dbfa351 and 1efeff8.

Files selected for processing (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1 hunks)

Files skipped from review as they are similar to previous changes (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml

Additional Context Used

[coderabbitai]

Actionable comments posted: 0

Review Status

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 1efeff8 and be006e0.

Files selected for processing (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml (1 hunks)

Files skipped from review as they are similar to previous changes (1)

• llama-index-integrations/graph_stores/llama-index-graph-stores-falkordb/pyproject.toml