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"""
Presentation management tools for PowerPoint MCP Server.
Handles presentation creation, opening, saving, and core properties.
"""
from typing import Dict, List, Optional, Any
import os
import base64
import mimetypes
from mcp.server.fastmcp import FastMCP
import utils as ppt_utils
def register_presentation_tools(app: FastMCP, presentations: Dict, get_current_presentation_id, get_template_search_directories):
"""Register presentation management tools with the FastMCP app"""
@app.tool()
def create_presentation(id: Optional[str] = None) -> Dict:
"""Create a new PowerPoint presentation."""
# Create a new presentation
pres = ppt_utils.create_presentation()
# Generate an ID if not provided
if id is None:
id = f"presentation_{len(presentations) + 1}"
# Store the presentation
presentations[id] = pres
# Set as current presentation (this would need to be handled by caller)
return {
"presentation_id": id,
"message": f"Created new presentation with ID: {id}",
"slide_count": len(pres.slides)
}
@app.tool()
def create_presentation_from_template(template_path: str, id: Optional[str] = None) -> Dict:
"""Create a new PowerPoint presentation from a template file."""
# Check if template file exists
if not os.path.exists(template_path):
# Try to find the template by searching in configured directories
search_dirs = get_template_search_directories()
template_name = os.path.basename(template_path)
for directory in search_dirs:
potential_path = os.path.join(directory, template_name)
if os.path.exists(potential_path):
template_path = potential_path
break
else:
env_path_info = f" (PPT_TEMPLATE_PATH: {os.environ.get('PPT_TEMPLATE_PATH', 'not set')})" if os.environ.get('PPT_TEMPLATE_PATH') else ""
return {
"error": f"Template file not found: {template_path}. Searched in {', '.join(search_dirs)}{env_path_info}"
}
# Create presentation from template
try:
pres = ppt_utils.create_presentation_from_template(template_path)
except Exception as e:
return {
"error": f"Failed to create presentation from template: {str(e)}"
}
# Generate an ID if not provided
if id is None:
id = f"presentation_{len(presentations) + 1}"
# Store the presentation
presentations[id] = pres
return {
"presentation_id": id,
"message": f"Created new presentation from template '{template_path}' with ID: {id}",
"template_path": template_path,
"slide_count": len(pres.slides),
"layout_count": len(pres.slide_layouts)
}
@app.tool()
def open_presentation(file_path: str, id: Optional[str] = None) -> Dict:
"""Open an existing PowerPoint presentation from a file."""
# Check if file exists
if not os.path.exists(file_path):
return {
"error": f"File not found: {file_path}"
}
# Open the presentation
try:
pres = ppt_utils.open_presentation(file_path)
except Exception as e:
return {
"error": f"Failed to open presentation: {str(e)}"
}
# Generate an ID if not provided
if id is None:
id = f"presentation_{len(presentations) + 1}"
# Store the presentation
presentations[id] = pres
return {
"presentation_id": id,
"message": f"Opened presentation from {file_path} with ID: {id}",
"slide_count": len(pres.slides)
}
@app.tool()
def save_presentation(file_path: str, presentation_id: Optional[str] = None) -> Dict:
"""Save a presentation to a file."""
# Use the specified presentation or the current one
pres_id = presentation_id if presentation_id is not None else get_current_presentation_id()
if pres_id is None or pres_id not in presentations:
return {
"error": "No presentation is currently loaded or the specified ID is invalid"
}
# Save the presentation
try:
saved_path = ppt_utils.save_presentation(presentations[pres_id], file_path)
return {
"message": f"Presentation saved to {saved_path}",
"file_path": saved_path
}
except Exception as e:
return {
"error": f"Failed to save presentation: {str(e)}"
}
@app.tool()
def save_presentation_base64(file_name: str = "presentation.pptx", presentation_id: Optional[str] = None) -> Dict:
"""Save the presentation and return the PPTX as base64 for download via clients like Claude."""
pres_id = presentation_id if presentation_id is not None else get_current_presentation_id()
if pres_id is None or pres_id not in presentations:
return {"error": "No presentation is currently loaded or the specified ID is invalid"}
try:
# Save to a temp file in the working directory
safe_name = file_name if file_name.lower().endswith(".pptx") else f"{file_name}.pptx"
saved_path = ppt_utils.save_presentation(presentations[pres_id], safe_name)
# Read and encode
with open(saved_path, "rb") as f:
data = f.read()
b64 = base64.b64encode(data).decode("utf-8")
mime, _ = mimetypes.guess_type(saved_path)
if not mime:
mime = "application/vnd.openxmlformats-officedocument.presentationml.presentation"
return {
"message": f"Presentation saved and encoded: {saved_path}",
"file_path": saved_path,
"file_name": os.path.basename(saved_path),
"mimetype": mime,
"base64": b64,
"size_bytes": len(data)
}
except Exception as e:
return {"error": f"Failed to save or encode presentation: {str(e)}"}
@app.tool()
def get_file_base64(file_path: str) -> Dict:
"""Return the base64 of a given PPTX path for download."""
if not os.path.exists(file_path):
return {"error": f"File not found: {file_path}"}
try:
with open(file_path, "rb") as f:
data = f.read()
b64 = base64.b64encode(data).decode("utf-8")
mime, _ = mimetypes.guess_type(file_path)
if not mime:
mime = "application/vnd.openxmlformats-officedocument.presentationml.presentation"
return {
"file_path": file_path,
"file_name": os.path.basename(file_path),
"mimetype": mime,
"base64": b64,
"size_bytes": len(data)
}
except Exception as e:
return {"error": f"Failed to read or encode file: {str(e)}"}
@app.tool()
def get_presentation_info(presentation_id: Optional[str] = None) -> Dict:
"""Get information about a presentation."""
pres_id = presentation_id if presentation_id is not None else get_current_presentation_id()
if pres_id is None or pres_id not in presentations:
return {
"error": "No presentation is currently loaded or the specified ID is invalid"
}
pres = presentations[pres_id]
try:
info = ppt_utils.get_presentation_info(pres)
info["presentation_id"] = pres_id
return info
except Exception as e:
return {
"error": f"Failed to get presentation info: {str(e)}"
}
@app.tool()
def get_template_file_info(template_path: str) -> Dict:
"""Get information about a template file including layouts and properties."""
# Check if template file exists
if not os.path.exists(template_path):
# Try to find the template by searching in configured directories
search_dirs = get_template_search_directories()
template_name = os.path.basename(template_path)
for directory in search_dirs:
potential_path = os.path.join(directory, template_name)
if os.path.exists(potential_path):
template_path = potential_path
break
else:
return {
"error": f"Template file not found: {template_path}. Searched in {', '.join(search_dirs)}"
}
try:
return ppt_utils.get_template_info(template_path)
except Exception as e:
return {
"error": f"Failed to get template info: {str(e)}"
}
@app.tool()
def set_core_properties(
title: Optional[str] = None,
subject: Optional[str] = None,
author: Optional[str] = None,
keywords: Optional[str] = None,
comments: Optional[str] = None,
presentation_id: Optional[str] = None
) -> Dict:
"""Set core document properties."""
pres_id = presentation_id if presentation_id is not None else get_current_presentation_id()
if pres_id is None or pres_id not in presentations:
return {
"error": "No presentation is currently loaded or the specified ID is invalid"
}
pres = presentations[pres_id]
try:
ppt_utils.set_core_properties(
pres,
title=title,
subject=subject,
author=author,
keywords=keywords,
comments=comments
)
return {
"message": "Core properties updated successfully"
}
except Exception as e:
return {
"error": f"Failed to set core properties: {str(e)}"
} |