Textract

import textract

from textract import exceptions

from textract.parsers import DEFAULT_OUTPUT_ENCODING, EXTENSION_SYNONYMS

from textract.colors import red, green, blue

import textract

# Extract text from any supported file format
text = textract.process('/path/to/document.pdf')
print(text)

# Extract with specific encoding
text = textract.process('/path/to/document.docx', output_encoding='utf-8')

# Extract with parser-specific options
text = textract.process('/path/to/document.pdf', method='pdfminer')

# Extract with language specification for OCR
text = textract.process('/path/to/image.png', language='eng')

# Handle files without extensions
text = textract.process('/path/to/file', extension='.txt')

def process(filename, input_encoding=None, output_encoding='utf_8', extension=None, **kwargs):
    """
    Extract text from any supported document format.
    
    Parameters:
    - filename (str): Path to the file to extract text from
    - input_encoding (str, optional): Input encoding specification
    - output_encoding (str): Output encoding (default: 'utf_8')
    - extension (str, optional): Manual extension override for format detection
    - **kwargs: Parser-specific options including:
        - method (str): Extraction method ('pdftotext', 'pdfminer', 'tesseract', 'google', 'sphinx')  
        - language (str): Language code for OCR (e.g., 'eng', 'fra', 'deu')
        - layout (bool): Preserve layout in PDF extraction (pdftotext method)
    
    Returns:
    str: Extracted text content
    
    Raises:
    - ExtensionNotSupported: When file extension is not supported
    - MissingFileError: When specified file cannot be found
    - UnknownMethod: When specified extraction method is unknown
    - ShellError: When external command execution fails
    """

__name__: str = "textract"
VERSION: str = "1.6.5"

class CommandLineError(Exception):
    """Base exception class for CLI errors with suppressed tracebacks."""
    
    def render(self, msg: str) -> str:
        """
        Format error messages for display.
        
        Parameters:
        - msg (str): Message template with variable placeholders
        
        Returns:
        str: Formatted message string
        """

class ExtensionNotSupported(CommandLineError):
    """Raised when file extension is not supported."""
    
    def __init__(self, ext):
        """
        Parameters:
        - ext (str): The unsupported extension
        """

class MissingFileError(CommandLineError):
    """Raised when specified file cannot be found."""
    
    def __init__(self, filename):
        """
        Parameters:
        - filename (str): The missing file path
        """

class UnknownMethod(CommandLineError):
    """Raised when specified extraction method is unknown."""
    
    def __init__(self, method):
        """
        Parameters:
        - method (str): The unknown method name
        """

class ShellError(CommandLineError):
    """Raised when shell command execution fails."""
    
    def __init__(self, command, exit_code, stdout, stderr):
        """
        Parameters:
        - command (str): Command that failed
        - exit_code (int): Process exit code  
        - stdout (str): Standard output
        - stderr (str): Standard error
        """
    
    def is_not_installed(self):
        """Check if error is due to missing executable."""
        
    def not_installed_message(self):
        """Get missing dependency message."""
        
    def failed_message(self):
        """Get command failure message."""

EXTENSION_SYNONYMS: dict = {
    ".jpeg": ".jpg", 
    ".tff": ".tiff", 
    ".tif": ".tiff", 
    ".htm": ".html", 
    "": ".txt", 
    ".log": ".txt", 
    ".tab": ".tsv"
}

DEFAULT_OUTPUT_ENCODING: str = 'utf_8'

DEFAULT_ENCODING: str = 'utf_8'

red: function
"""Apply red ANSI color codes to text string."""

green: function
"""Apply green ANSI color codes to text string."""

yellow: function
"""Apply yellow ANSI color codes to text string."""

blue: function
"""Apply blue ANSI color codes to text string."""

magenta: function
"""Apply magenta ANSI color codes to text string."""

cyan: function
"""Apply cyan ANSI color codes to text string."""

white: function
"""Apply white ANSI color codes to text string."""

bold_red: function
"""Apply bold red ANSI color codes to text string."""

bold_green: function
"""Apply bold green ANSI color codes to text string."""

bold_yellow: function
"""Apply bold yellow ANSI color codes to text string."""

bold_blue: function
"""Apply bold blue ANSI color codes to text string."""

bold_magenta: function
"""Apply bold magenta ANSI color codes to text string."""

bold_cyan: function
"""Apply bold cyan ANSI color codes to text string."""

bold_white: function
"""Apply bold white ANSI color codes to text string."""

def colorless(text: str) -> str:
    """
    Remove ANSI color codes from text.
    
    Parameters:
    - text (str): Text containing ANSI color codes
    
    Returns:
    str: Text with color codes removed
    """

# Default method using pdftotext utility
text = textract.process('document.pdf', method='pdftotext')

# Use pdfminer library for extraction
text = textract.process('document.pdf', method='pdfminer')

# OCR-based extraction for scanned PDFs
text = textract.process('document.pdf', method='tesseract')

# Preserve layout with pdftotext
text = textract.process('document.pdf', method='pdftotext', layout=True)

# Google Speech Recognition (default)
text = textract.process('audio.wav', method='google')

# PocketSphinx offline recognition
text = textract.process('audio.wav', method='sphinx')

# Specify language for OCR recognition
text = textract.process('image.png', language='eng')  # English
text = textract.process('image.png', language='fra')  # French
text = textract.process('image.png', language='deu')  # German

# Basic text extraction
textract document.pdf

# Specify output encoding
textract --encoding utf-8 document.docx

# Override file extension detection
textract --extension .txt unknown_file

# Use specific extraction method
textract --method pdfminer document.pdf

# Save output to file
textract --output extracted.txt document.pdf

# Use parser-specific options
textract --option layout=True document.pdf

# Show version information
textract --version