pdftotext

import pdftotext

import pdftotext

# Load a PDF file
with open("document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f)

# Check page count
print(f"Document has {len(pdf)} pages")

# Read individual pages
print("First page:")
print(pdf[0])

print("Last page:")
print(pdf[-1])

# Iterate through all pages
for page_num, page_text in enumerate(pdf):
    print(f"--- Page {page_num + 1} ---")
    print(page_text)

# Read all text as single string
full_text = "\n\n".join(pdf)
print(full_text)

class PDF:
    def __init__(self, pdf_file, password="", raw=False, physical=False):
        """
        Initialize PDF object for text extraction.

        Args:
            pdf_file: A file-like object opened in binary mode containing PDF data
            password (str, optional): Password to unlock encrypted PDFs. Both owner and user passwords work. Defaults to "".
            raw (bool, optional): Extract text in content stream order (as stored in PDF). Defaults to False.
            physical (bool, optional): Extract text in physical layout order (spatial arrangement on page). Defaults to False.

        Raises:
            pdftotext.Error: If PDF is invalid, corrupted, or password-protected without correct password
            TypeError: If pdf_file is not a file-like object or opened in text mode
            ValueError: If both raw and physical are True, or if raw/physical values are invalid

        Note:
            The raw and physical parameters are mutually exclusive. Default mode provides most readable output
            by respecting logical document structure. Usually this is preferred over raw or physical modes.
        """

def __len__(self) -> int:
    """
    Return the number of pages in the PDF document.

    Returns:
        int: Number of pages in the document
    """

def __getitem__(self, index: int) -> str:
    """
    Get text content of a specific page.

    Args:
        index (int): Page index (0-based). Supports negative indexing.

    Returns:
        str: Text content of the page as UTF-8 string

    Raises:
        IndexError: If index is out of range
        pdftotext.Error: If page cannot be read due to corruption
    """

def __iter__(self):
    """
    Enable iteration over pages, yielding page text.

    Yields:
        str: Text content of each page in sequence

    Example:
        for page in pdf:
            print(page)
    """

# Default mode - most readable
with open("document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f)
    text = pdf[0]  # Respects logical structure

# Raw mode - content stream order
with open("document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, raw=True)
    text = pdf[0]  # Order as stored in PDF

# Physical mode - spatial order
with open("document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, physical=True)
    text = pdf[0]  # Spatial arrangement on page

# Unlock with password
with open("secure_document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, password="secret123")
    text = pdf[0]

# Both owner and user passwords work
with open("encrypted.pdf", "rb") as f:
    # This works with either password type
    pdf = pdftotext.PDF(f, password="owner_password")
    # or
    pdf = pdftotext.PDF(f, password="user_password")

class Error(Exception):
    """
    Exception raised for PDF-related errors.
    
    Raised when:
    - PDF file is invalid or corrupted
    - PDF is password-protected and no/wrong password provided
    - Poppler library encounters errors during processing
    - Page cannot be read due to corruption
    """

import pdftotext

try:
    with open("document.pdf", "rb") as f:
        pdf = pdftotext.PDF(f)
        text = pdf[0]
except pdftotext.Error as e:
    print(f"PDF error: {e}")
except FileNotFoundError:
    print("PDF file not found")
except IndexError as e:
    print(f"Page index error: {e}")

class PDF:
    """
    Main class for PDF text extraction with sequence-like interface.
    
    Provides:
    - Sequential access to pages via indexing (pdf[0], pdf[1], etc.)
    - Length operation (len(pdf))
    - Iteration support (for page in pdf)
    - Password authentication for encrypted PDFs
    - Multiple text extraction modes (default, raw, physical)
    """

class Error(Exception):
    """
    Custom exception class for PDF-related errors.
    
    Inherits from built-in Exception class and is raised for:
    - Invalid or corrupted PDF files
    - Authentication failures on password-protected PDFs
    - Poppler library processing errors
    - Page reading errors due to corruption
    """

import pdftotext

with open("report.pdf", "rb") as f:
    pdf = pdftotext.PDF(f)
    
    # Process each page
    for i, page in enumerate(pdf):
        print(f"=== Page {i + 1} ===")
        print(page[:100] + "..." if len(page) > 100 else page)

    # Or get all text at once
    full_document = "\n\n".join(pdf)

# Regular document
with open("document.pdf", "rb") as f:
    pdf = pdftotext.PDF(f)

# Password-protected document
with open("secure.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, password="mypassword")

# Multi-column document (try physical mode)
with open("newspaper.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, physical=True)

# Document with complex layout (try raw mode)
with open("form.pdf", "rb") as f:
    pdf = pdftotext.PDF(f, raw=True)

import pdftotext

def extract_pdf_text(filepath, password=None):
    """Extract text from PDF with comprehensive error handling."""
    try:
        with open(filepath, "rb") as f:
            if password:
                pdf = pdftotext.PDF(f, password=password)
            else:
                pdf = pdftotext.PDF(f)
            
            return [page for page in pdf]
            
    except FileNotFoundError:
        print(f"File not found: {filepath}")
        return None
    except pdftotext.Error as e:
        print(f"PDF processing error: {e}")
        return None
    except Exception as e:
        print(f"Unexpected error: {e}")
        return None