Document Transformation

def paragraph(transform_paragraph):
    """
    Create transform that applies to paragraph elements.
    
    Parameters:
    - transform_paragraph: function, transforms paragraph elements
    
    Returns:
    Transform function that processes the entire document
    """

def run(transform_run):
    """
    Create transform that applies to run elements.
    
    Parameters:
    - transform_run: function, transforms run elements
    
    Returns:
    Transform function that processes the entire document
    """

def element_of_type(element_type, transform):
    """
    Create transform for specific element types.
    
    Parameters:
    - element_type: class/type to match
    - transform: function to apply to matching elements
    
    Returns:
    Transform function that processes the entire document
    """

def get_descendants_of_type(element, element_type):
    """
    Get all descendant elements of specified type.
    
    Parameters:
    - element: Root element to search from
    - element_type: Type/class to filter for
    
    Returns:
    List of matching descendant elements
    """

def get_descendants(element):
    """
    Get all descendant elements.
    
    Parameters:
    - element: Root element to search from
    
    Returns:
    List of all descendant elements
    """

class Document:
    """Root document container."""
    children: list  # Child elements
    notes: list     # Footnotes and endnotes
    comments: list  # Document comments

class Paragraph:
    """Paragraph element with styling information."""
    children: list      # Child elements (runs, hyperlinks, etc.)
    style_id: str       # Word style ID
    style_name: str     # Word style name
    numbering: object   # List numbering information
    alignment: str      # Text alignment
    indent: object      # Indentation settings

class Run:
    """Text run with formatting."""
    children: list           # Child elements (text, breaks, etc.)
    style_id: str           # Word style ID
    style_name: str         # Word style name
    is_bold: bool           # Bold formatting
    is_italic: bool         # Italic formatting
    is_underline: bool      # Underline formatting
    is_strikethrough: bool  # Strikethrough formatting
    is_all_caps: bool       # All caps formatting
    is_small_caps: bool     # Small caps formatting
    vertical_alignment: str # Superscript/subscript
    font: str               # Font name
    font_size: int          # Font size in half-points
    highlight: str          # Highlight color

class Text:
    """Plain text node."""
    value: str  # Text content

class Hyperlink:
    """Hyperlink element."""
    children: list      # Child elements
    href: str           # Link URL
    anchor: str         # Internal anchor
    target_frame: str   # Target frame

class Image:
    """Image element."""
    alt_text: str      # Alternative text
    content_type: str  # MIME type
    
    def open(self):
        """Open image data for reading."""

class Table:
    """Table element."""
    children: list    # TableRow elements
    style_id: str     # Word style ID
    style_name: str   # Word style name

class TableRow:
    """Table row element."""
    children: list  # TableCell elements

class TableCell:
    """Table cell element."""
    children: list  # Cell content elements
    colspan: int    # Column span
    rowspan: int    # Row span

class Break:
    """Line, page, or column break."""
    break_type: str  # "line", "page", "column"

import mammoth

def remove_empty_paragraphs(paragraph):
    # Check if paragraph has no text content
    has_text = any(
        isinstance(child, mammoth.documents.Text) and child.value.strip()
        for child in mammoth.transforms.get_descendants(paragraph)
    )
    
    if not has_text:
        return None  # Remove the paragraph
    return paragraph

# Create the transform
transform = mammoth.transforms.paragraph(remove_empty_paragraphs)

# Apply during conversion
with open("document.docx", "rb") as docx_file:
    result = mammoth.convert_to_html(
        docx_file,
        transform_document=transform
    )

import mammoth

def convert_custom_headings(paragraph):
    # Convert custom heading styles to standard ones
    if paragraph.style_name == "CustomHeading1":
        paragraph = paragraph.copy(style_name="Heading 1")
    elif paragraph.style_name == "CustomHeading2":
        paragraph = paragraph.copy(style_name="Heading 2")
    
    return paragraph

transform = mammoth.transforms.paragraph(convert_custom_headings)

with open("document.docx", "rb") as docx_file:
    result = mammoth.convert_to_html(
        docx_file,
        transform_document=transform
    )

import mammoth

def uppercase_bold_text(run):
    if run.is_bold:
        # Transform all text children to uppercase
        new_children = []
        for child in run.children:
            if isinstance(child, mammoth.documents.Text):
                new_children.append(
                    mammoth.documents.text(child.value.upper())
                )
            else:
                new_children.append(child)
        
        return run.copy(children=new_children)
    
    return run

transform = mammoth.transforms.run(uppercase_bold_text)

with open("document.docx", "rb") as docx_file:
    result = mammoth.convert_to_html(
        docx_file,
        transform_document=transform
    )

import mammoth

def analyze_and_transform(document):
    # Find all headings in the document
    headings = []
    for paragraph in mammoth.transforms.get_descendants_of_type(
        document, mammoth.documents.Paragraph
    ):
        if paragraph.style_name and "Heading" in paragraph.style_name:
            headings.append(paragraph)
    
    print(f"Found {len(headings)} headings")
    
    # Find all images
    images = mammoth.transforms.get_descendants_of_type(
        document, mammoth.documents.Image
    )
    print(f"Found {len(images)} images")
    
    # Return unchanged document
    return document

with open("document.docx", "rb") as docx_file:
    result = mammoth.convert_to_html(
        docx_file,
        transform_document=analyze_and_transform
    )

import mammoth

def remove_comments(paragraph):
    # Remove comment references
    new_children = []
    for child in paragraph.children:
        if not isinstance(child, mammoth.documents.CommentReference):
            new_children.append(child)
    
    return paragraph.copy(children=new_children)

def normalize_whitespace(run):
    new_children = []
    for child in run.children:
        if isinstance(child, mammoth.documents.Text):
            # Normalize whitespace
            normalized = " ".join(child.value.split())
            new_children.append(mammoth.documents.text(normalized))
        else:
            new_children.append(child)
    
    return run.copy(children=new_children)

def combined_transform(document):
    # Apply multiple transforms in sequence
    comment_transform = mammoth.transforms.paragraph(remove_comments)
    whitespace_transform = mammoth.transforms.run(normalize_whitespace)
    
    document = comment_transform(document)
    document = whitespace_transform(document)
    
    return document

with open("document.docx", "rb") as docx_file:
    result = mammoth.convert_to_html(
        docx_file,
        transform_document=combined_transform
    )

def document(children, notes=None, comments=None):
    """Create Document instance."""

def paragraph(children, style_id=None, style_name=None, 
             numbering=None, alignment=None, indent=None):
    """Create Paragraph instance."""

def run(children, style_id=None, style_name=None, 
        is_bold=None, is_italic=None, **kwargs):
    """Create Run instance with normalized boolean fields."""

def text(value):
    """Create Text instance."""

def hyperlink(children, href=None, anchor=None, target_frame=None):
    """Create Hyperlink instance."""

def table(children, style_id=None, style_name=None):
    """Create Table instance."""