[NeuralChat] Suport pptx format for RAG

[xmx-521]

Type of Change

feature
API not changed

Description

Support pptx format for RAG

Expected Behavior & Potential Risk

User can use pptx format file for RAG

How has this PR been tested?

Local test and pre-CI

Dependency Change?

None

[github-actions]

⚡ Required checks status: All passing 🟢

Groups summary

🟢 Format Scan Tests workflow

Check ID	Status	Error details
format-scan (pylint)	success		✅
format-scan (bandit)	success		✅
format-scan (cloc)	success		✅
format-scan (cpplint)	success		✅

These checks are required after the changes to intel_extension_for_transformers/neural_chat/assets/docs/sample.pptx, intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/context_utils.py, intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/parser.py, intel_extension_for_transformers/neural_chat/tests/ci/plugins/retrieval/test_rag.py, intel_extension_for_transformers/neural_chat/tests/requirements.txt.

🟢 NeuralChat Unit Test

Check ID	Status	Error details
neuralchat-unit-test-baseline	success		✅
neuralchat-unit-test-PR-test	success		✅
Generate-NeuralChat-Report	success		✅

These checks are required after the changes to intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/context_utils.py, intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/parser.py, intel_extension_for_transformers/neural_chat/tests/ci/plugins/retrieval/test_rag.py, intel_extension_for_transformers/neural_chat/tests/requirements.txt.

🟢 Chat Bot Test workflow

Check ID	Status	Error details
call-inference-llama-2-7b-chat-hf / inference test	success		✅
call-inference-mpt-7b-chat / inference test	success		✅

These checks are required after the changes to intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/context_utils.py, intel_extension_for_transformers/neural_chat/pipeline/plugins/retrieval/parser/parser.py, intel_extension_for_transformers/neural_chat/tests/requirements.txt.

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