644 lines
28 KiB
Python
644 lines
28 KiB
Python
"""
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Excel renderer for report generation using openpyxl.
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"""
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from .rendererBaseTemplate import BaseRenderer
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from typing import Dict, Any, Tuple, List
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import io
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import base64
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from datetime import datetime, UTC
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try:
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from openpyxl import Workbook
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from openpyxl.styles import Font, PatternFill, Alignment, Border, Side
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from openpyxl.utils import get_column_letter
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from openpyxl.worksheet.table import Table, TableStyleInfo
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OPENPYXL_AVAILABLE = True
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except ImportError:
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OPENPYXL_AVAILABLE = False
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class RendererExcel(BaseRenderer):
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"""Renders content to Excel format using openpyxl."""
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@classmethod
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def get_supported_formats(cls) -> List[str]:
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"""Return supported Excel formats."""
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return ['xlsx', 'xls', 'excel']
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@classmethod
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def get_format_aliases(cls) -> List[str]:
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"""Return format aliases."""
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return ['spreadsheet', 'workbook']
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@classmethod
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def get_priority(cls) -> int:
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"""Return priority for Excel renderer."""
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return 110
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async def render(self, extracted_content: Dict[str, Any], title: str, user_prompt: str = None, ai_service=None) -> Tuple[str, str]:
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"""Render extracted JSON content to Excel format using AI-analyzed styling."""
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try:
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if not OPENPYXL_AVAILABLE:
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# Fallback to CSV if openpyxl not available
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from .rendererCsv import RendererCsv
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csv_renderer = RendererCsv()
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csv_content, _ = await csv_renderer.render(extracted_content, title, user_prompt, ai_service)
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return csv_content, "text/csv"
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# Generate Excel using AI-analyzed styling
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excel_content = await self._generate_excel_from_json(extracted_content, title, user_prompt, ai_service)
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return excel_content, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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except Exception as e:
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self.logger.error(f"Error rendering Excel: {str(e)}")
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# Return CSV fallback
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return f"Title,Content\n{title},Error rendering Excel report: {str(e)}", "text/csv"
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def _generate_excel(self, content: str, title: str) -> str:
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"""Generate Excel content using openpyxl."""
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try:
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# Create workbook
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wb = Workbook()
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# Remove default sheet
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wb.remove(wb.active)
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# Create sheets
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summary_sheet = wb.create_sheet("Summary", 0)
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data_sheet = wb.create_sheet("Data", 1)
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analysis_sheet = wb.create_sheet("Analysis", 2)
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# Add content to sheets
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self._populate_summary_sheet(summary_sheet, title)
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self._populate_data_sheet(data_sheet, content)
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self._populate_analysis_sheet(analysis_sheet, content)
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# Save to buffer
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buffer = io.BytesIO()
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wb.save(buffer)
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buffer.seek(0)
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# Convert to base64
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excel_bytes = buffer.getvalue()
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excel_base64 = base64.b64encode(excel_bytes).decode('utf-8')
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return excel_base64
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except Exception as e:
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self.logger.error(f"Error generating Excel: {str(e)}")
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raise
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def _populate_summary_sheet(self, sheet, title: str):
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"""Populate the summary sheet."""
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try:
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# Title
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sheet['A1'] = title
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sheet['A1'].font = Font(size=16, bold=True)
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sheet['A1'].alignment = Alignment(horizontal='center')
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# Generation info
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sheet['A3'] = "Generated:"
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sheet['B3'] = self._format_timestamp()
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sheet['A4'] = "Status:"
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sheet['B4'] = "Generated Successfully"
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# Key metrics placeholder
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sheet['A6'] = "Key Metrics:"
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sheet['A6'].font = Font(bold=True)
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sheet['A7'] = "Total Items:"
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sheet['B7'] = "=COUNTA(Data!A:A)-1" # Count non-empty cells in Data sheet
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# Auto-adjust column widths
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sheet.column_dimensions['A'].width = 20
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sheet.column_dimensions['B'].width = 30
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except Exception as e:
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self.logger.warning(f"Could not populate summary sheet: {str(e)}")
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def _populate_data_sheet(self, sheet, content: str):
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"""Populate the data sheet."""
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try:
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# Headers
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headers = ["Item/Category", "Value/Amount", "Percentage", "Source Document", "Notes/Comments"]
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for col, header in enumerate(headers, 1):
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cell = sheet.cell(row=1, column=col, value=header)
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cell.font = Font(bold=True)
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cell.fill = PatternFill(start_color="CCCCCC", end_color="CCCCCC", fill_type="solid")
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# Process content
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lines = content.split('\n')
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row = 2
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for line in lines:
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line = line.strip()
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if not line:
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continue
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# Check for table data (lines with |)
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if '|' in line:
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cells = [cell.strip() for cell in line.split('|') if cell.strip()]
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for col, cell_data in enumerate(cells[:5], 1): # Limit to 5 columns
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sheet.cell(row=row, column=col, value=cell_data)
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row += 1
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else:
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# Regular content
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sheet.cell(row=row, column=1, value=line)
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row += 1
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# Auto-adjust column widths
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for col in range(1, 6):
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sheet.column_dimensions[get_column_letter(col)].width = 20
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except Exception as e:
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self.logger.warning(f"Could not populate data sheet: {str(e)}")
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def _populate_analysis_sheet(self, sheet, content: str):
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"""Populate the analysis sheet."""
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try:
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# Title
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sheet['A1'] = "Analysis & Insights"
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sheet['A1'].font = Font(size=14, bold=True)
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# Content analysis
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lines = content.split('\n')
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row = 3
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sheet['A3'] = "Content Analysis:"
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sheet['A3'].font = Font(bold=True)
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row += 1
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# Count different types of content
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table_lines = sum(1 for line in lines if '|' in line)
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list_lines = sum(1 for line in lines if line.startswith(('- ', '* ')))
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text_lines = len(lines) - table_lines - list_lines
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sheet[f'A{row}'] = f"Total Lines: {len(lines)}"
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row += 1
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sheet[f'A{row}'] = f"Table Rows: {table_lines}"
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row += 1
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sheet[f'A{row}'] = f"List Items: {list_lines}"
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row += 1
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sheet[f'A{row}'] = f"Text Lines: {text_lines}"
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row += 2
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# Recommendations
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sheet[f'A{row}'] = "Recommendations:"
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sheet[f'A{row}'].font = Font(bold=True)
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row += 1
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sheet[f'A{row}'] = "1. Review data accuracy"
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row += 1
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sheet[f'A{row}'] = "2. Consider additional analysis"
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row += 1
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sheet[f'A{row}'] = "3. Update regularly"
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# Auto-adjust column width
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sheet.column_dimensions['A'].width = 30
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except Exception as e:
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self.logger.warning(f"Could not populate analysis sheet: {str(e)}")
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async def _generate_excel_from_json(self, json_content: Dict[str, Any], title: str, user_prompt: str = None, ai_service=None) -> str:
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"""Generate Excel content from structured JSON document using AI-generated styling."""
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try:
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# Debug output
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print(f"🔍 EXCEL JSON CONTENT TYPE: {type(json_content)}")
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print(f"🔍 EXCEL JSON CONTENT KEYS: {list(json_content.keys()) if isinstance(json_content, dict) else 'Not a dict'}")
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# Get AI-generated styling definitions
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styles = await self._get_excel_styles(user_prompt, ai_service)
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# Validate JSON structure
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if not isinstance(json_content, dict):
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raise ValueError("JSON content must be a dictionary")
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if "sections" not in json_content:
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raise ValueError("JSON content must contain 'sections' field")
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# Use title from JSON metadata if available, otherwise use provided title
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document_title = json_content.get("metadata", {}).get("title", title)
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# Create workbook
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wb = Workbook()
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# Create sheets based on content
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sheets = self._create_excel_sheets(wb, json_content, styles)
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print(f"🔍 EXCEL SHEETS CREATED: {list(sheets.keys()) if sheets else 'None'}")
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# Populate sheets with content
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self._populate_excel_sheets(sheets, json_content, styles)
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# Save to buffer
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buffer = io.BytesIO()
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wb.save(buffer)
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buffer.seek(0)
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# Convert to base64
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excel_bytes = buffer.getvalue()
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print(f"🔍 EXCEL BYTES LENGTH: {len(excel_bytes)}")
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try:
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excel_base64 = base64.b64encode(excel_bytes).decode('utf-8')
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print(f"🔍 EXCEL BASE64 LENGTH: {len(excel_base64)}")
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except Exception as b64_error:
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print(f"🔍 BASE64 ENCODING ERROR: {b64_error}")
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raise
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return excel_base64
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except Exception as e:
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self.logger.error(f"Error generating Excel from JSON: {str(e)}")
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raise Exception(f"Excel generation failed: {str(e)}")
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async def _get_excel_styles(self, user_prompt: str, ai_service=None) -> Dict[str, Any]:
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"""Get Excel styling definitions using base template AI styling."""
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style_schema = {
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"title": {"font_size": 16, "color": "#FF1F4E79", "bold": True, "align": "center"},
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"heading": {"font_size": 14, "color": "#FF2F2F2F", "bold": True, "align": "left"},
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"table_header": {"background": "#FF4F4F4F", "text_color": "#FFFFFFFF", "bold": True, "align": "center"},
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"table_cell": {"background": "#FFFFFFFF", "text_color": "#FF2F2F2F", "bold": False, "align": "left"},
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"bullet_list": {"font_size": 11, "color": "#FF2F2F2F", "indent": 2},
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"paragraph": {"font_size": 11, "color": "#FF2F2F2F", "bold": False, "align": "left"},
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"code_block": {"font": "Courier New", "font_size": 10, "color": "#FF2F2F2F", "background": "#FFF5F5F5"}
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}
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style_template = self._create_ai_style_template("xlsx", user_prompt, style_schema)
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styles = await self._get_ai_styles(ai_service, style_template, self._get_default_excel_styles())
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# Convert colors to aRGB format and validate
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styles = self._convert_colors_format(styles)
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return self._validate_excel_styles_contrast(styles)
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def _convert_colors_format(self, styles: Dict[str, Any]) -> Dict[str, Any]:
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"""Convert hex colors to aRGB format for Excel compatibility."""
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try:
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for style_name, style_config in styles.items():
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if isinstance(style_config, dict):
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for prop, value in style_config.items():
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if isinstance(value, str) and value.startswith('#') and len(value) == 7:
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# Convert #RRGGBB to #AARRGGBB (add FF alpha channel)
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styles[style_name][prop] = f"FF{value[1:]}"
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print(f"🔍 CONVERTED COLOR: {value} → {styles[style_name][prop]}")
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return styles
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except Exception as e:
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print(f"🔍 COLOR CONVERSION ERROR: {e}")
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return styles
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def _validate_excel_styles_contrast(self, styles: Dict[str, Any]) -> Dict[str, Any]:
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"""Validate and fix contrast issues in AI-generated styles."""
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try:
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# Fix table header contrast
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if "table_header" in styles:
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header = styles["table_header"]
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bg_color = header.get("background", "#FFFFFF")
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text_color = header.get("text_color", "#000000")
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# If both are white or both are dark, fix it
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if bg_color.upper() == "#FFFFFF" and text_color.upper() == "#FFFFFF":
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header["background"] = "#4F4F4F"
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header["text_color"] = "#FFFFFF"
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elif bg_color.upper() == "#000000" and text_color.upper() == "#000000":
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header["background"] = "#4F4F4F"
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header["text_color"] = "#FFFFFF"
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# Fix table cell contrast
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if "table_cell" in styles:
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cell = styles["table_cell"]
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bg_color = cell.get("background", "#FFFFFF")
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text_color = cell.get("text_color", "#000000")
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# If both are white or both are dark, fix it
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if bg_color.upper() == "#FFFFFF" and text_color.upper() == "#FFFFFF":
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cell["background"] = "#FFFFFF"
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cell["text_color"] = "#2F2F2F"
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elif bg_color.upper() == "#000000" and text_color.upper() == "#000000":
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cell["background"] = "#FFFFFF"
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cell["text_color"] = "#2F2F2F"
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return styles
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except Exception as e:
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self.logger.warning(f"Style validation failed: {str(e)}")
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return self._get_default_excel_styles()
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def _get_default_excel_styles(self) -> Dict[str, Any]:
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"""Default Excel styles with aRGB color format."""
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return {
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"title": {"font_size": 16, "color": "#FF1F4E79", "bold": True, "align": "center"},
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"heading": {"font_size": 14, "color": "#FF2F2F2F", "bold": True, "align": "left"},
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"table_header": {"background": "#FF4F4F4F", "text_color": "#FFFFFFFF", "bold": True, "align": "center"},
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"table_cell": {"background": "#FFFFFFFF", "text_color": "#FF2F2F2F", "bold": False, "align": "left"},
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"bullet_list": {"font_size": 11, "color": "#FF2F2F2F", "indent": 2},
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"paragraph": {"font_size": 11, "color": "#FF2F2F2F", "bold": False, "align": "left"},
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"code_block": {"font": "Courier New", "font_size": 10, "color": "#FF2F2F2F", "background": "#FFF5F5F5"}
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}
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def _create_excel_sheets(self, wb: Workbook, json_content: Dict[str, Any], styles: Dict[str, Any]) -> Dict[str, Any]:
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"""Create Excel sheets based on content structure and user intent."""
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sheets = {}
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# Get sheet names from AI styles or generate based on content
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sheet_names = styles.get("sheet_names", self._generate_sheet_names_from_content(json_content))
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print(f"🔍 EXCEL SHEET NAMES: {sheet_names}")
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# Create sheets
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for i, sheet_name in enumerate(sheet_names):
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if i == 0:
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# Use the default sheet for the first sheet
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sheet = wb.active
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sheet.title = sheet_name
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else:
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# Create additional sheets
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sheet = wb.create_sheet(sheet_name, i)
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sheets[sheet_name.lower()] = sheet
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return sheets
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def _generate_sheet_names_from_content(self, json_content: Dict[str, Any]) -> List[str]:
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"""Generate sheet names based on actual content structure."""
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sections = json_content.get("sections", [])
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# If no sections, create a single sheet
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if not sections:
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return ["Content"]
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# Generate sheet names based on content types
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sheet_names = []
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# Always start with a main content sheet
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document_title = json_content.get("metadata", {}).get("title", "Document")
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sheet_names.append(document_title[:31]) # Excel sheet name limit
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# Add sheets based on content types found
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content_types = set()
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for section in sections:
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content_type = section.get("content_type", "paragraph")
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content_types.add(content_type)
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# Create sheets for different content types if we have multiple types
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if len(content_types) > 1:
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if "table" in content_types:
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sheet_names.append("Tables")
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if "list" in content_types:
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sheet_names.append("Lists")
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if "paragraph" in content_types or "heading" in content_types:
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sheet_names.append("Text")
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# Limit to 4 sheets maximum
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return sheet_names[:4]
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def _populate_excel_sheets(self, sheets: Dict[str, Any], json_content: Dict[str, Any], styles: Dict[str, Any]) -> None:
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"""Populate Excel sheets with content from JSON based on actual sheet names."""
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try:
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# Get the actual sheet names that were created
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sheet_names = list(sheets.keys())
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if not sheet_names:
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return
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# Populate the first sheet with all content
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first_sheet_name = sheet_names[0]
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self._populate_main_sheet(sheets[first_sheet_name], json_content, styles)
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# If we have multiple sheets, distribute content by type
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if len(sheet_names) > 1:
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self._populate_content_type_sheets(sheets, json_content, styles, sheet_names[1:])
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except Exception as e:
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self.logger.warning(f"Could not populate Excel sheets: {str(e)}")
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def _populate_main_sheet(self, sheet, json_content: Dict[str, Any], styles: Dict[str, Any]):
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"""Populate the main sheet with document overview and all content."""
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try:
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# Document title
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document_title = json_content.get("metadata", {}).get("title", "Generated Report")
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sheet['A1'] = document_title
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# Safety check for title style
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title_style = styles.get("title", {"font_size": 16, "bold": True, "color": "#FF1F4E79", "align": "center"})
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print(f"🔍 EXCEL TITLE STYLE: {title_style}")
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sheet['A1'].font = Font(size=title_style["font_size"], bold=title_style["bold"], color=title_style["color"])
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sheet['A1'].alignment = Alignment(horizontal=title_style["align"])
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# Generation info
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sheet['A3'] = "Generated:"
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sheet['B3'] = self._format_timestamp()
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sheet['A4'] = "Status:"
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sheet['B4'] = "Generated Successfully"
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# Document metadata
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metadata = json_content.get("metadata", {})
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if metadata:
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sheet['A6'] = "Document Information:"
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sheet['A6'].font = Font(bold=True)
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row = 7
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for key, value in metadata.items():
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if key != "title":
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sheet[f'A{row}'] = f"{key.title()}:"
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sheet[f'B{row}'] = str(value)
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row += 1
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# Content overview
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sections = json_content.get("sections", [])
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sheet[f'A{row + 1}'] = "Content Overview:"
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sheet[f'A{row + 1}'].font = Font(bold=True)
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row += 2
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sheet[f'A{row}'] = f"Total Sections: {len(sections)}"
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# Count different content types
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content_types = {}
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for section in sections:
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content_type = section.get("content_type", "unknown")
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content_types[content_type] = content_types.get(content_type, 0) + 1
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for content_type, count in content_types.items():
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row += 1
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sheet[f'A{row}'] = f"{content_type.title()} Sections: {count}"
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# Add all content to this sheet
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row += 2
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for section in sections:
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row = self._add_section_to_sheet(sheet, section, styles, row)
|
|
row += 1 # Empty row between sections
|
|
|
|
# Auto-adjust column widths
|
|
sheet.column_dimensions['A'].width = 20
|
|
sheet.column_dimensions['B'].width = 30
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not populate main sheet: {str(e)}")
|
|
|
|
def _populate_content_type_sheets(self, sheets: Dict[str, Any], json_content: Dict[str, Any], styles: Dict[str, Any], sheet_names: List[str]):
|
|
"""Populate additional sheets based on content types."""
|
|
try:
|
|
sections = json_content.get("sections", [])
|
|
|
|
for sheet_name in sheet_names:
|
|
if sheet_name not in sheets:
|
|
continue
|
|
|
|
sheet = sheets[sheet_name]
|
|
sheet_title = sheet_name.title()
|
|
sheet['A1'] = sheet_title
|
|
sheet['A1'].font = Font(size=16, bold=True)
|
|
|
|
row = 3
|
|
|
|
# Filter sections by content type
|
|
if sheet_name == "tables":
|
|
filtered_sections = [s for s in sections if s.get("content_type") == "table"]
|
|
elif sheet_name == "lists":
|
|
filtered_sections = [s for s in sections if s.get("content_type") == "list"]
|
|
elif sheet_name == "text":
|
|
filtered_sections = [s for s in sections if s.get("content_type") in ["paragraph", "heading"]]
|
|
else:
|
|
filtered_sections = sections
|
|
|
|
for section in filtered_sections:
|
|
row = self._add_section_to_sheet(sheet, section, styles, row)
|
|
row += 1 # Empty row between sections
|
|
|
|
# Auto-adjust column widths
|
|
for col in range(1, 6):
|
|
sheet.column_dimensions[get_column_letter(col)].width = 20
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not populate content type sheets: {str(e)}")
|
|
|
|
def _add_section_to_sheet(self, sheet, section: Dict[str, Any], styles: Dict[str, Any], start_row: int) -> int:
|
|
"""Add a section to a sheet and return the next row."""
|
|
try:
|
|
# Add section title
|
|
section_title = section.get("title")
|
|
if section_title:
|
|
sheet[f'A{start_row}'] = f"# {section_title}"
|
|
sheet[f'A{start_row}'].font = Font(bold=True)
|
|
start_row += 1
|
|
|
|
# Process section elements
|
|
elements = section.get("elements", [])
|
|
content_type = section.get("content_type", "paragraph")
|
|
|
|
for element in elements:
|
|
if content_type == "table":
|
|
start_row = self._add_table_to_excel(sheet, element, styles, start_row)
|
|
elif content_type == "list":
|
|
start_row = self._add_list_to_excel(sheet, element, styles, start_row)
|
|
elif content_type == "paragraph":
|
|
start_row = self._add_paragraph_to_excel(sheet, element, styles, start_row)
|
|
elif content_type == "heading":
|
|
start_row = self._add_heading_to_excel(sheet, element, styles, start_row)
|
|
else:
|
|
start_row = self._add_paragraph_to_excel(sheet, element, styles, start_row)
|
|
|
|
return start_row
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not add section to sheet: {str(e)}")
|
|
return start_row + 1
|
|
|
|
def _add_table_to_excel(self, sheet, element: Dict[str, Any], styles: Dict[str, Any], start_row: int) -> int:
|
|
"""Add a table element to Excel sheet."""
|
|
try:
|
|
table_data = element.get("data", {})
|
|
headers = table_data.get("headers", [])
|
|
rows = table_data.get("rows", [])
|
|
|
|
if not headers and not rows:
|
|
return start_row
|
|
|
|
# Add headers
|
|
header_style = styles.get("table_header", {})
|
|
for col, header in enumerate(headers, 1):
|
|
cell = sheet.cell(row=start_row, column=col, value=header)
|
|
if header_style.get("bold"):
|
|
cell.font = Font(bold=True, color=header_style.get("text_color", "#FF000000"))
|
|
if header_style.get("background"):
|
|
cell.fill = PatternFill(start_color=header_style["background"], end_color=header_style["background"], fill_type="solid")
|
|
|
|
start_row += 1
|
|
|
|
# Add rows
|
|
cell_style = styles.get("table_cell", {})
|
|
for row_data in rows:
|
|
for col, cell_value in enumerate(row_data, 1):
|
|
cell = sheet.cell(row=start_row, column=col, value=cell_value)
|
|
if cell_style.get("text_color"):
|
|
cell.font = Font(color=cell_style["text_color"])
|
|
start_row += 1
|
|
|
|
return start_row
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not add table to Excel: {str(e)}")
|
|
return start_row + 1
|
|
|
|
def _add_list_to_excel(self, sheet, element: Dict[str, Any], styles: Dict[str, Any], start_row: int) -> int:
|
|
"""Add a list element to Excel sheet."""
|
|
try:
|
|
list_items = element.get("items", [])
|
|
|
|
list_style = styles.get("bullet_list", {})
|
|
for item in list_items:
|
|
sheet.cell(row=start_row, column=1, value=f"• {item}")
|
|
if list_style.get("color"):
|
|
sheet.cell(row=start_row, column=1).font = Font(color=list_style["color"])
|
|
start_row += 1
|
|
|
|
return start_row
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not add list to Excel: {str(e)}")
|
|
return start_row + 1
|
|
|
|
def _add_paragraph_to_excel(self, sheet, element: Dict[str, Any], styles: Dict[str, Any], start_row: int) -> int:
|
|
"""Add a paragraph element to Excel sheet."""
|
|
try:
|
|
text = element.get("text", "")
|
|
if text:
|
|
sheet.cell(row=start_row, column=1, value=text)
|
|
|
|
paragraph_style = styles.get("paragraph", {})
|
|
if paragraph_style.get("color"):
|
|
sheet.cell(row=start_row, column=1).font = Font(color=paragraph_style["color"])
|
|
|
|
start_row += 1
|
|
|
|
return start_row
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not add paragraph to Excel: {str(e)}")
|
|
return start_row + 1
|
|
|
|
def _add_heading_to_excel(self, sheet, element: Dict[str, Any], styles: Dict[str, Any], start_row: int) -> int:
|
|
"""Add a heading element to Excel sheet."""
|
|
try:
|
|
text = element.get("text", "")
|
|
level = element.get("level", 1)
|
|
|
|
if text:
|
|
sheet.cell(row=start_row, column=1, value=text)
|
|
|
|
heading_style = styles.get("heading", {})
|
|
font_size = heading_style.get("font_size", 14)
|
|
if level > 1:
|
|
font_size = max(10, font_size - (level - 1) * 2)
|
|
|
|
sheet.cell(row=start_row, column=1).font = Font(
|
|
size=font_size,
|
|
bold=True,
|
|
color=heading_style.get("color", "#FF000000")
|
|
)
|
|
|
|
start_row += 1
|
|
|
|
return start_row
|
|
|
|
except Exception as e:
|
|
self.logger.warning(f"Could not add heading to Excel: {str(e)}")
|
|
return start_row + 1
|
|
|
|
def _format_timestamp(self) -> str:
|
|
"""Format current timestamp for document generation."""
|
|
return datetime.now(UTC).strftime("%Y-%m-%d %H:%M:%S UTC")
|