Generative AI

[Tutorial] Building a Virtual Document Retrieval Pipeline with ColPali and Late Interaction Scoring

nimda February 19, 2026

0 16 Less than a minute

[Tutorial] Building a Virtual Document Retrieval Pipeline with ColPali and Late Interaction Scoring

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import subprocess, sys, os, json, hashlib


def pip(cmd):
   subprocess.check_call([sys.executable, "-m", "pip"] + cmd)


pip(["uninstall", "-y", "pillow", "PIL", "torchaudio", "colpali-engine"])
pip(["install", "-q", "--upgrade", "pip"])
pip(["install", "-q", "pillow<12", "torchaudio==2.8.0"])
pip(["install", "-q", "colpali-engine", "pypdfium2", "matplotlib", "tqdm", "requests"])

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