1. Template Design (+2)
1. Template Design
"""Best practices for template-based generation."""
# DO: Use consistent placeholder naming
PLACEHOLDERS = {
'title': '{{title}}',
'subtitle': '{{subtitle}}',
'date': '{{date}}',
'author': '{{author}}'
}
# DO: Create reusable slide builders
class SlideBuilder:
def __init__(self, prs):
self.prs = prs
def add_title_slide(self, title, subtitle):
slide = self.prs.slides.add_slide(self.prs.slide_layouts[0])
slide.shapes.title.text = title
if subtitle:
slide.placeholders[1].text = subtitle
return slide
def add_content_slide(self, title, bullets):
slide = self.prs.slides.add_slide(self.prs.slide_layouts[1])
slide.shapes.title.text = title
tf = slide.placeholders[1].text_frame
tf.text = bullets[0]
for bullet in bullets[1:]:
p = tf.add_paragraph()
p.text = bullet
return slide
2. Performance Optimization
"""Performance tips for large presentations."""
# DO: Reuse color objects
COLORS = {
'primary': RgbColor(0x2F, 0x54, 0x96),
'secondary': RgbColor(0x70, 0xAD, 0x47),
'accent': RgbColor(0xED, 0x7D, 0x31)
}
# DO: Batch similar operations
def add_multiple_charts(prs, chart_data_list):
for title, data, chart_type in chart_data_list:
slide = prs.slides.add_slide(prs.slide_layouts[5])
slide.shapes.title.text = title
# Add chart...
3. Error Handling
"""Robust error handling for presentations."""
from pathlib import Path
import logging
logger = logging.getLogger(__name__)
def safe_generate_presentation(template_path, output_path, data):
"""Generate presentation with error handling."""
try:
if not Path(template_path).exists():
raise FileNotFoundError(f"Template not found: {template_path}")
Path(output_path).parent.mkdir(parents=True, exist_ok=True)
prs = Presentation(template_path)
# Process...
prs.save(output_path)
return {"success": True, "path": output_path}
except Exception as e:
logger.exception(f"Presentation generation failed: {e}")
return {"success": False, "error": str(e)}
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