PDFInfoNotInstalledError: Unable to get page count. Is poppler installed and in PATH?

[KaifAhmad1]

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Example Code

Here is my issue in brief '''

import os

poppler_path = 'C:\\Users\\Mohd Kaif\\Downloads\\poppler-23.08.0\\Library\\bin'
os.environ["PATH"] += os.pathsep + poppler_path

directory = '/content/drive/MyDrive/History_QA_dataset'

from pathlib import Path

def load_files(directory):
    documents = list(Path(directory).iterdir())
    return documents

documents = load_files(directory)
print(len(documents))

documents

from langchain_community.document_loaders import UnstructuredPDFLoader
loader = UnstructuredPDFLoader("/content/drive/MyDrive/History_QA_dataset/ncert_s_modern_india_bipan_chandra_old_edition-1566975158976.pdf")
pages = loader.load()

Description

Rasing this Type Error:

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
[/usr/local/lib/python3.10/dist-packages/pdf2image/pdf2image.py](https://localhost:8080/#) in pdfinfo_from_path(pdf_path, userpw, ownerpw, poppler_path, rawdates, timeout, first_page, last_page)
    580             env["LD_LIBRARY_PATH"] = poppler_path + ":" + env.get("LD_LIBRARY_PATH", "")
--> 581         proc = Popen(command, env=env, stdout=PIPE, stderr=PIPE)
    582 

14 frames
FileNotFoundError: [Errno 2] No such file or directory: 'pdfinfo'

During handling of the above exception, another exception occurred:

PDFInfoNotInstalledError                  Traceback (most recent call last)
[/usr/local/lib/python3.10/dist-packages/pdf2image/pdf2image.py](https://localhost:8080/#) in pdfinfo_from_path(pdf_path, userpw, ownerpw, poppler_path, rawdates, timeout, first_page, last_page)
    605 
    606     except OSError:
--> 607         raise PDFInfoNotInstalledError(
    608             "Unable to get page count. Is poppler installed and in PATH?"
    609         )

PDFInfoNotInstalledError: Unable to get page count. Is poppler installed and in PATH?

System Info

System Information:
Python version: 3.10.10
Operating System: Windows 11
Windows: 11
pip == 23.3.1
python == 3.10.10
long-chain == 0.1.0
transformers == 4.36.2
sentence_transformers == 2.2.2
unstructured == 0.12.0

Related Components

• LLMs/Chat Models
• Embedding Models
• Prompts / Prompt Templates / Prompt Selectors
• Output Parsers
• Document Loaders
• Vector Stores / Retrievers
• Memory
• Agents / Agent Executors
• Tools / Toolkits
• Chains
• Callbacks/Tracing
• Async

[dosubot]

🤖

Hey there, @KaifAhmad1! It's good to see you again. Hope you're doing well! Let us dive into the issue you've encountered.

From the error message you provided, it seems like the issue is related to the poppler library not being found in your system's PATH. This is not directly related to the LangChain framework, but rather to the way your system is set up.

The poppler library is used by the pdf2image package, which is a dependency of the UnstructuredPDFLoader class in LangChain. This class is used to load PDF documents and convert them into a format that can be processed by LangChain.

The error message suggests that poppler is not installed or not in the PATH. Here are a few things you can try:

1. Check if poppler is installed: You can do this by running where poppler in your command prompt. If it's installed, this command should return the path to the poppler executable.

2. Check if poppler is in your PATH: You can do this by running echo %PATH% in your command prompt. This will print out all the directories in your PATH. Look for the directory that contains poppler.

3. Add poppler to your PATH: If poppler is not in your PATH, you can add it by modifying your system's environment variables. Here's how you can do it:

   • Right-click on 'This PC' and click on 'Properties'.
   • Click on 'Advanced system settings'.
   • Click on 'Environment Variables'.
   • In the 'System variables' section, find the 'Path' variable, select it, and click on 'Edit'.
   • In the 'Variable value' field, append the path to the poppler executable. Make sure to separate it from the existing paths with a semicolon (;).

4. Reinstall poppler: If poppler is not installed, you can download it from here. After downloading, extract the files and add the bin directory to your PATH.

Please try these steps and let me know if the issue persists. If it does, please provide more details about your system setup and the exact steps you're following so I can better assist you.

For more information about how to use the UnstructuredPDFLoader class, you can refer to the LangChain documentation.

Sources

• libs/langchain/langchain/document_loaders/pdf.py

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