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"""Excel File Handler Plugin""" |
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import pandas as pd |
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from typing import Dict, Any |
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from pathlib import Path |
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class ExcelHandler: |
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"""Handle Excel files with multi-sheet support.""" |
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def __init__(self): |
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self.supported_extensions = ['.xlsx', '.xls', '.xlsm'] |
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def can_handle(self, filename: str) -> bool: |
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return Path(filename).suffix.lower() in self.supported_extensions |
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def load(self, file_path: str) -> Dict[str, Any]: |
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try: |
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excel_file = pd.ExcelFile(file_path) |
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sheets = {} |
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for sheet_name in excel_file.sheet_names: |
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sheets[sheet_name] = pd.read_excel(file_path, sheet_name=sheet_name) |
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combined_df = pd.concat(sheets.values(), ignore_index=True) |
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metadata = {"sheet_count": len(sheets), "total_rows": len(combined_df)} |
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return {"success": True, "sheets": sheets, "combined": combined_df, "metadata": metadata, "file_type": "excel"} |
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except Exception as e: |
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return {"success": False, "error": f"Failed to load Excel: {str(e)}", "file_type": "excel"} |
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def preview(self, data: Dict[str, Any], max_rows: int = 5) -> str: |
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if not data.get("success"): |
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return f"<p class='text-red-500'>Error: {data.get('error')}</p>" |
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html = f"<h4>📊 Excel File</h4><p><strong>Sheets:</strong> {data['metadata']['sheet_count']}</p>" |
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html += f"<p><strong>Total Rows:</strong> {data['metadata']['total_rows']:,}</p>" |
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df = data["combined"] |
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html += "<h5>Combined Data Preview:</h5>" |
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html += df.head(max_rows).to_html(index=False, classes="preview-table border w-full text-xs") |
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return html |
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