1. Document Structure (+3)
1. Document Structure
"""Best practices for document organization."""
# DO: Create reusable document builders
class ReportBuilder:
def __init__(self, template_path=None):
self.doc = Document(template_path) if template_path else Document()
def add_title(self, text):
self.doc.add_heading(text, level=0)
return self
def add_section(self, title, content):
self.doc.add_heading(title, level=1)
self.doc.add_paragraph(content)
return self
def save(self, output_path):
self.doc.save(output_path)
# DO: Use context managers for cleanup
from contextlib import contextmanager
@contextmanager
def document_context(output_path):
doc = Document()
try:
yield doc
finally:
doc.save(output_path)
# Usage
with document_context('report.docx') as doc:
doc.add_heading('Title', level=0)
doc.add_paragraph('Content')
2. Style Consistency
"""Maintain consistent styling across documents."""
# DO: Define style constants
class DocumentStyles:
FONT_HEADING = 'Georgia'
FONT_BODY = 'Calibri'
SIZE_TITLE = Pt(24)
SIZE_HEADING1 = Pt(18)
SIZE_HEADING2 = Pt(14)
SIZE_BODY = Pt(11)
COLOR_PRIMARY = RGBColor(0x2E, 0x74, 0xB5)
COLOR_SECONDARY = RGBColor(0x59, 0x59, 0x59)
# DO: Create style factory functions
def apply_heading_style(paragraph, level=1):
run = paragraph.runs[0] if paragraph.runs else paragraph.add_run()
run.font.name = DocumentStyles.FONT_HEADING
run.font.bold = True
run.font.color.rgb = DocumentStyles.COLOR_PRIMARY
if level == 1:
run.font.size = DocumentStyles.SIZE_HEADING1
elif level == 2:
run.font.size = DocumentStyles.SIZE_HEADING2
3. Error Handling
"""Robust error handling for document operations."""
from pathlib import Path
import logging
logger = logging.getLogger(__name__)
def safe_generate_document(template_path, output_path, data):
"""Generate document with comprehensive error handling."""
try:
# Validate inputs
if not Path(template_path).exists():
raise FileNotFoundError(f"Template not found: {template_path}")
# Ensure output directory exists
Path(output_path).parent.mkdir(parents=True, exist_ok=True)
# Generate document
doc = Document(template_path)
# ... processing ...
doc.save(output_path)
logger.info(f"Document generated: {output_path}")
return {"success": True, "path": output_path}
except FileNotFoundError as e:
logger.error(f"File not found: {e}")
return {"success": False, "error": str(e)}
except PermissionError as e:
logger.error(f"Permission denied: {e}")
return {"success": False, "error": "Permission denied"}
except Exception as e:
logger.exception(f"Unexpected error: {e}")
return {"success": False, "error": str(e)}
4. Performance Optimization
"""Optimize document generation performance."""
# DO: Reuse Document objects when generating similar documents
class DocumentPool:
def __init__(self, template_path):
self.template_path = template_path
def generate(self, data, output_path):
# Load fresh copy of template for each generation
doc = Document(self.template_path)
# Process...
doc.save(output_path)
# DO: Use streaming for large documents
def generate_large_table(doc, data_generator, chunk_size=1000):
"""Generate large table in chunks to manage memory."""
table = None
headers_added = False
for chunk in data_generator:
if table is None:
headers = list(chunk[0].keys())
table = doc.add_table(rows=1, cols=len(headers))
for i, header in enumerate(headers):
table.rows[0].cells[i].text = header
headers_added = True
for row_data in chunk:
row = table.add_row()
for i, value in enumerate(row_data.values()):
row.cells[i].text = str(value)
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