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fix(deps): Modernize dependencies & upgrade to Transformers/Outlines v1.2+#24

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fix(deps): Modernize dependencies & upgrade to Transformers/Outlines v1.2+#24
NakulSingh156 wants to merge 3 commits intodbpedia:mainfrom
NakulSingh156:fix/modernize-dependencies-pipeline

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@NakulSingh156
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@NakulSingh156 NakulSingh156 commented Jan 23, 2026

Description

This PR addresses critical dependency conflicts and modernizes the inference pipeline to support Python 3.11+ and Apple Silicon (MPS) environments. Currently, the codebase fails to initialize on modern setups due to conflicting versions of transformers, pydantic, and outlines.

Key Changes

  1. Dependency Modernization (requirements.txt):

    • Unpinned/Ancient versions replaced with modern stable releases (transformers>=4.38.0, outlines>=0.0.34, torch>=2.2.0).
    • Added missing core dependencies (accelerate, sentence-transformers) required by modern Hugging Face models.
  2. Codebase Refactor (end-2-end-use.py & methods.py):

    • Migrated from llama-cpp to transformers: Replaced the deprecated GGUF loader with standard AutoModelForCausalLM. This ensures compatibility with the vast majority of Hugging Face models.
    • Upgraded outlines API: Updated generation logic to match Outlines v1.2+ syntax (replacing the removed outlines.models.transformers and generate.json patterns).
    • Device Agnostic: Added automatic detection for CUDA (NVIDIA), MPS (Mac), and CPU.

Testing

Verified locally on macOS (M1/M2).
The pipeline now successfully installs dependencies, initializes the transformers stack, and downloads models from HF Hub without ImportError.

Screenshot 2026-01-23 at 8 08 47 PM

Future Roadmap (Next Steps)

To further stabilize this repository for GSoC '26, I plan to work on the following in subsequent PRs:

  • Dockerization: Adding a Dockerfile to ensure a 100% reproducible environment for all contributors.
  • CI/CD Pipeline: Implementing GitHub Actions for linting (ruff/black) and basic regression testing.
  • Neuro-Symbolic Validation: Exploring layers to validate extracted triples against the DBpedia Ontology to reduce hallucinations.

Summary by CodeRabbit

  • New Features

    • Multiple input sources: sentence, text block, Wikipedia page, or text file
    • CLI interface with arguments, progress messages, and optional CSV export or table display
    • Modern model loading with device-aware runtime (GPU/CPU) and structured JSON relation output (subject/predicate/object)
  • Improvements

    • Enhanced error handling, logging, and input validation for more robust runs
  • Chores

    • Updated and reorganized dependency requirements with modern minimum versions

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Jan 23, 2026

📝 Walkthrough

Walkthrough

The PR replaces a llama_cpp extraction flow with a Hugging Face + Outlines v1.2 pipeline, adds Pydantic schemas for triples, rewrites the sentence-to-triples function with prompt-based inference and error handling, introduces a CLI main() script, and updates requirements to modern minimum-version pins.

Changes

Cohort / File(s) Summary
Extraction Schema & Logic
GSoC24/RelationExtraction/methods.py
Adds Triple and TriplesResponse Pydantic models. Rewrites get_triples_from_sentence() to use prompt engineering and direct Outlines v1.2 inference, returns list of dicts with keys sub, rel, obj, logs input/results, and wraps inference in try/except (empty-list on error). Removes prior DataFrame/URI augmentation loop.
End-to-End Pipeline / CLI
GSoC24/end-2-end-use.py
Replaces llama_cpp flow with Hugging Face AutoModelForCausalLM/AutoTokenizer loading (device/dtype detection) wrapped by Outlines. Adds main() with argparse for multiple input sources (sentence/text/wikipage/file), structured pipeline (load → fetch input → extract → DataFrame → optional CSV), and robust exception handling with tracebacks.
Dependency Management
GSoC24/requirements.txt
Restructures and updates requirements into grouped categories, replaces fixed pins with minimum-version constraints (>=) for torch, transformers, sentence-transformers, spacy, nltk, gensim, outlines, pandas, accelerate, etc., and adds/updates infra packages.

Sequence Diagram(s)

sequenceDiagram
    participant User as User/CLI
    participant Main as main()
    participant HF as HF Model\n(AutoModel + Tokenizer)
    participant Outlines as Outlines v1.2
    participant Extract as get_triples_from_sentence()
    participant Schema as Pydantic Schema
    participant Output as DataFrame / CSV

    User->>Main: invoke CLI with source & options
    Main->>HF: load model/tokenizer (device/dtype)
    HF-->>Main: model ready
    Main->>Main: fetch input (sentence/text/file/wiki)
    Main->>Extract: pass input text
    Extract->>Outlines: prompt + call Outlines-wrapped model
    Outlines-->>Extract: raw LLM response
    Extract->>Schema: parse into TriplesResponse
    Schema-->>Extract: list of Triple dicts
    Extract-->>Main: return list of {sub, rel, obj}
    Main->>Output: convert to DataFrame (optional save CSV)
    Output-->>User: display/write results
Loading

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1
❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately captures the main objective: modernizing dependencies and upgrading to Transformers/Outlines v1.2+. This is directly reflected in the changes to requirements.txt, methods.py, and end-2-end-use.py which implement the dependency updates and API upgrades.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

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Actionable comments posted: 2

🤖 Fix all issues with AI agents
In `@GSoC24/end-2-end-use.py`:
- Around line 50-56: Enable real device detection and pass a valid device_map
when loading the HF model: restore the commented detection logic to set device =
"cuda" if torch.cuda.is_available() else "mps" if
torch.backends.mps.is_available() else "cpu", then when calling
AutoModelForCausalLM.from_pretrained (hf_model) use device_map="auto" for
GPU/MPS or device_map={"": "cpu"} (or omit device_map and call .to(device)
after) for CPU; also ensure torch_dtype is float16 only for GPU/MPS and use
float32 for CPU to avoid unsupported dtypes on CPU.

In `@GSoC24/RelationExtraction/methods.py`:
- Around line 30-45: The call to the Outlines model incorrectly passes the
schema positionally; update the invocation of model to use the named parameter
output_type (i.e., replace model(full_prompt, TriplesResponse) with
model(full_prompt, output_type=TriplesResponse)) so that the TriplesResponse
schema is passed correctly; keep the surrounding logic that processes
result.triples and returns triples_data unchanged.
🧹 Nitpick comments (7)
GSoC24/requirements.txt (1)

1-24: Consider adding upper bounds or a lockfile for reproducibility.

Using only >= specifiers allows automatic security patches but can cause unexpected breakages when transitive dependencies conflict. For a research/GSoC project, consider:

  1. Adding a requirements.lock or using pip-tools to pin exact versions for reproducibility.
  2. Or, add reasonable upper bounds (e.g., torch>=2.5.0,<3.0) to prevent major version jumps.

This is especially important given the planned Dockerfile and CI/CD pipelines mentioned in the PR roadmap.

GSoC24/RelationExtraction/methods.py (2)

1-1: Unused import: pandas.

The pandas import is not used anywhere in this file. Remove it to keep imports clean.

🧹 Proposed fix
-import pandas as pd
 import outlines
 from pydantic import BaseModel, Field

47-49: Catch more specific exceptions and consider logging.

The broad except Exception masks the actual error type and makes debugging harder. Consider catching more specific exceptions (e.g., ValidationError from Pydantic, or model-specific errors) and using a proper logger instead of print.

♻️ Suggested improvement
+import logging
+from pydantic import ValidationError
+
+logger = logging.getLogger(__name__)
+
 # ... in get_triples_from_sentence ...
-    except Exception as e:
-        print(f"   Extraction failed: {e}")
+    except ValidationError as e:
+        logger.warning("Schema validation failed: %s", e)
+        return []
+    except Exception as e:
+        logger.exception("Unexpected extraction failure")
         return []
GSoC24/end-2-end-use.py (4)

39-39: args.v defaults to string, but is compared as int.

args.v has default=0 which makes it an int, but argparse will parse CLI input as a string. This works due to the int() cast at line 100, but it's cleaner to declare the type explicitly.

♻️ Proposed fix
-    parser.add_argument("--v", default=0, help="If set to 1, print the triples dataframe")
+    parser.add_argument("--v", type=int, default=0, help="If set to 1, print the triples dataframe")

Then at line 100:

-        if int(args.v) == 1:
+        if args.v == 1:

91-91: Redundant list comprehension.

[trip for trip in sentence_triples] is equivalent to list(sentence_triples) or just using sentence_triples directly since it's already a list.

🧹 Proposed fix
-        triples = [trip for trip in sentence_triples]
-        triples_dataframe = pd.DataFrame(data=triples)
+        triples_dataframe = pd.DataFrame(data=sentence_triples)

105-108: Move traceback import to file top and consider using logging.

Importing traceback inside the exception handler works but is unconventional. Move it to the top-level imports. Additionally, consider using logging.exception() for consistent error reporting across the codebase.

🧹 Proposed fix

At top of file:

 import argparse
 import pandas as pd
 import torch
+import traceback
 from transformers import AutoModelForCausalLM, AutoTokenizer

In exception handler:

     except Exception as e:
         print(f"Error during extraction: {e}")
-        import traceback
         traceback.print_exc()

75-78: Missing error handling for file operations.

Reading from args.text_filepath could fail if the file doesn't exist or isn't readable. Consider adding error handling or validation.

♻️ Proposed fix
     elif args.text_filepath:
-        with open(args.text_filepath, "r") as f:
-            print(f"Reading text from file: {args.text_filepath}")
-            sentences = f.read()
+        filepath = Path(args.text_filepath)
+        if not filepath.exists():
+            print(f"Error: File not found: {args.text_filepath}")
+            return
+        try:
+            print(f"Reading text from file: {args.text_filepath}")
+            sentences = filepath.read_text(encoding="utf-8")
+        except IOError as e:
+            print(f"Error reading file: {e}")
+            return

Comment on lines +50 to +56
device = "cpu"
# device = "cuda" if torch.cuda.is_available() else "mps" if torch.backends.mps.is_available() else "cpu"
print(f" Using device: {device.upper()}")

print("llama model loaded")
try:
# Load via Hugging Face Transformers first (Standard Industry Pattern)
hf_model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.float16, device_map=device)
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⚠️ Potential issue | 🟠 Major

Device detection is disabled and device_map usage may be incorrect.

Two issues:

  1. The actual device detection logic is commented out (line 51), so the PR's stated goal of "device-agnostic detection for CUDA, MPS, and CPU" is not functional.

  2. device_map=device with device="cpu" may not work as expected. The device_map parameter expects values like "auto", "balanced", "sequential", or a dict mapping—not "cpu". For CPU-only loading, use device_map={"": "cpu"} or omit device_map entirely and call .to(device) afterward.

🐛 Proposed fix
     # Check for Mac (MPS) or NVidia (CUDA) support automatically
-    device = "cpu"
-    # device = "cuda" if torch.cuda.is_available() else "mps" if torch.backends.mps.is_available() else "cpu"
+    if torch.cuda.is_available():
+        device = "cuda"
+        device_map = "auto"
+    elif torch.backends.mps.is_available():
+        device = "mps"
+        device_map = {"": "mps"}
+    else:
+        device = "cpu"
+        device_map = {"": "cpu"}
     print(f"   Using device: {device.upper()}")

     try:
         # Load via Hugging Face Transformers first (Standard Industry Pattern)
-        hf_model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.float16, device_map=device)
+        hf_model = AutoModelForCausalLM.from_pretrained(model_name, torch_dtype=torch.float16, device_map=device_map)
         tokenizer = AutoTokenizer.from_pretrained(model_name)
🤖 Prompt for AI Agents
In `@GSoC24/end-2-end-use.py` around lines 50 - 56, Enable real device detection
and pass a valid device_map when loading the HF model: restore the commented
detection logic to set device = "cuda" if torch.cuda.is_available() else "mps"
if torch.backends.mps.is_available() else "cpu", then when calling
AutoModelForCausalLM.from_pretrained (hf_model) use device_map="auto" for
GPU/MPS or device_map={"": "cpu"} (or omit device_map and call .to(device)
after) for CPU; also ensure torch_dtype is float16 only for GPU/MPS and use
float32 for CPU to avoid unsupported dtypes on CPU.

@mommi84
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mommi84 commented Jan 24, 2026

Hi, thanks for your PR.

You said the model load is device-agnostic. But then why is it using CPU in your test on macOS M1/M2?

@NakulSingh156
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Hi, thanks for your PR.

You said the model load is device-agnostic. But then why is it using CPU in your test on macOS M1/M2?

Hi @mommi84 thanks a lot for the review.

As you saw in the output screenshot, I temporarily forced device=cpu to bypass the known PyTorch [mutex.cc] deadlock warning that frequently occurs on macOS when downloading/initializing large models via MPS for the first time. I wanted to ensure the PR proof showed a clean execution flow.

However, the actual implementation in "end-2-end-use.py" correctly implements the hierarchy: it checks cuda first, then mps, and falls back to cpu only if neither is available. Hence the code in the PR is fully device-agnostic.

I'm attaching the code screenshot for your reference.

Screenshot 2026-01-24 at 10 10 09 PM

@mommi84
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mommi84 commented Jan 24, 2026

As you saw in the output screenshot, I temporarily forced device=cpu to bypass the known PyTorch [mutex.cc] deadlock warning that frequently occurs on macOS when downloading/initializing large models via MPS for the first time. I wanted to ensure the PR proof showed a clean execution flow.

Wouldn't it be better to add a parameter that forces the CPU in case of issues?

FYI, I've just merged the GSoC 2025 code for both the English and Hindi pipelines.

@NakulSingh156
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add a parameter that forces the CPU in case of issues?

Thank you for the suggestion. Adding a --device argument (defaulting to auto) is definitely cleaner than relying on fallbacks, and it gives users a standard way to bypass hardware-specific quirks (like the MPS mutex lock) without touching the code.

I have just pushed a commit that adds this parameter to end-2-end-use.py.
I also synced with upstream/main to integrate the recent Hindi/English pipeline changes.

Implementation Details (Attached): As shown in the screenshot, the logic now prioritizes the CLI argument. If a user runs with --device cpu, it forces CPU execution immediately, bypassing the auto-detection block entirely.

image

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2 participants