from fastapi import APIRouter, HTTPException from fastapi.responses import JSONResponse, StreamingResponse import json import csv import io import os from datetime import datetime from ..benchmark import get_report, list_reports router = APIRouter(prefix="/api/export", tags=["export"]) @router.get("/json") async def export_json(report_id: str = None): if report_id: rep = get_report(report_id) if not rep: raise HTTPException(status_code=404, detail="التقرير غير موجود") data = rep.model_dump() data["timestamp"] = rep.timestamp.isoformat() for r in data["results"]: pass json_str = json.dumps(data, ensure_ascii=False, indent=2) return StreamingResponse( io.BytesIO(json_str.encode('utf-8')), media_type="application/json", headers={"Content-Disposition": f"attachment; filename=report-{report_id}.json"} ) else: reports = list_reports() data = [] for rep in reports: d = rep.model_dump() d["timestamp"] = rep.timestamp.isoformat() data.append(d) json_str = json.dumps(data, ensure_ascii=False, indent=2) return StreamingResponse( io.BytesIO(json_str.encode('utf-8')), media_type="application/json", headers={"Content-Disposition": "attachment; filename=reports-all.json"} ) @router.get("/csv") async def export_csv(report_id: str): rep = get_report(report_id) if not rep: raise HTTPException(status_code=404, detail="التقرير غير موجود") output = io.StringIO() writer = csv.writer(output) writer.writerow(["task_id", "name", "category", "prompt", "expected", "generation", "passed", "score", "latency_ms", "tokens_per_sec", "ttft_ms", "vram_peak_mb"]) for r in rep.results: writer.writerow([r.task_id, r.name, r.category, r.prompt[:80], r.expected, r.generation[:200], r.passed, r.score, r.latency_ms, r.tokens_per_sec, r.ttft_ms, r.vram_peak_mb]) writer.writerow([]) writer.writerow(["summary", f"accuracy={rep.accuracy}", f"avg_tps={rep.avg_tokens_per_sec}", f"vram_peak={rep.vram_peak_mb}"]) csv_bytes = output.getvalue().encode('utf-8-sig') return StreamingResponse( io.BytesIO(csv_bytes), media_type="text/csv", headers={"Content-Disposition": f"attachment; filename=report-{report_id}.csv"} ) def _find_arabic_font(): candidates = [ r"C:\Windows\Fonts\tahoma.ttf", r"C:\Windows\Fonts\arabtype.ttf", r"C:\Windows\Fonts\majalla.ttf", r"C:\Windows\Fonts\segoeui.ttf", r"C:\Windows\Fonts\arial.ttf", "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", "/usr/share/fonts/truetype/noto/NotoNaskhArabic-Regular.ttf", ] for p in candidates: if os.path.exists(p): return p return None def _reshape_text(text: str) -> str: # Try to shape Arabic for proper display in PDF has_arabic = any('\u0600' <= c <= '\u06FF' for c in text) if not has_arabic: return text try: import arabic_reshaper from bidi.algorithm import get_display reshaped = arabic_reshaper.reshape(text) return get_display(reshaped) except ImportError: # No libs: return as is (fpdf may show disconnected but readable) return text except Exception: return text @router.get("/pdf") async def export_pdf(report_id: str): rep = get_report(report_id) if not rep: raise HTTPException(status_code=404, detail="التقرير غير موجود") try: from fpdf import FPDF except ImportError: raise HTTPException(status_code=500, detail="مكتبة fpdf2 غير مثبتة") pdf = FPDF() pdf.add_page() pdf.set_auto_page_break(auto=True, margin=15) # Try to add Unicode font for Arabic font_path = _find_arabic_font() use_unicode = False font_name = "Helvetica" if font_path: try: pdf.add_font("Arabic", "", font_path, uni=True) # Try bold variant if exists bold_path = font_path.replace(".ttf", "bd.ttf").replace("tahoma.ttf", "tahomabd.ttf").replace("arial.ttf","arialbd.ttf") if os.path.exists(bold_path): pdf.add_font("Arabic", "B", bold_path, uni=True) else: pdf.add_font("Arabic", "B", font_path, uni=True) font_name = "Arabic" use_unicode = True except Exception as e: # fallback to Helvetica font_name = "Helvetica" use_unicode = False def _safe(text: str) -> str: if use_unicode: try: return _reshape_text(text) except: return text else: # Sanitize to latin-1 try: text.encode('latin-1') return text except: s="" for ch in text: try: ch.encode('latin-1') s+=ch except: s+="?" return s # Header pdf.set_font(font_name, "B", 16) pdf.cell(0, 10, _safe("Safetensors Studio - Benchmark Report"), align="C", new_x="LMARGIN", new_y="NEXT") pdf.set_font(font_name, "", 10) pdf.cell(0, 8, _safe(f"Report ID: {rep.id} | Model: {rep.model_path}"), new_x="LMARGIN", new_y="NEXT") pdf.cell(0, 8, _safe(f"Date: {rep.timestamp.isoformat()} | Accuracy: {rep.accuracy*100:.1f}% | Passed: {rep.passed}/{rep.total_tasks}"), new_x="LMARGIN", new_y="NEXT") pdf.cell(0, 8, _safe(f"Avg TPS: {rep.avg_tokens_per_sec} | Avg TTFT: {rep.avg_ttft_ms}ms | VRAM Peak: {rep.vram_peak_mb} MB"), new_x="LMARGIN", new_y="NEXT") pdf.ln(4) # Table header pdf.set_font(font_name, "B", 9) pdf.set_fill_color(240, 240, 240) headers = ["Task", "Category", "Passed", "TPS", "Latency"] col_w = [70, 35, 25, 30, 30] for i, h in enumerate(headers): pdf.cell(col_w[i], 8, _safe(h), border=1, fill=True, align="C") pdf.ln() pdf.set_font(font_name, "", 8) for r in rep.results: name = _safe(r.name[:35]) cat = _safe(r.category[:12]) passed = "YES" if r.passed else "NO" pdf.cell(col_w[0], 7, name, border=1) pdf.cell(col_w[1], 7, cat, border=1, align="C") pdf.cell(col_w[2], 7, passed, border=1, align="C") pdf.cell(col_w[3], 7, str(r.tokens_per_sec), border=1, align="C") pdf.cell(col_w[4], 7, str(r.latency_ms), border=1, align="C") pdf.ln() if pdf.get_y() > 270: pdf.add_page() if pdf.get_y() > 240: pdf.add_page() pdf.ln(4) pdf.set_font(font_name, "B", 10) pdf.cell(0, 8, _safe("By Category:"), new_x="LMARGIN", new_y="NEXT") pdf.set_font(font_name, "", 9) for cat, stats in rep.by_category.items(): if pdf.get_y() > 270: pdf.add_page() pdf.cell(0, 6, _safe(f"{cat}: {stats['passed']}/{stats['total']} acc={stats['accuracy']} tps={stats['avg_tps']}"), new_x="LMARGIN", new_y="NEXT") if pdf.get_y() > 250: pdf.add_page() pdf.ln(2) pdf.set_font(font_name, "B", 10) pdf.cell(0, 8, _safe("Insights:"), new_x="LMARGIN", new_y="NEXT") pdf.set_font(font_name, "", 9) best_cat = max(rep.by_category.items(), key=lambda x: x[1]["accuracy"]) if rep.by_category else None worst_cat = min(rep.by_category.items(), key=lambda x: x[1]["accuracy"]) if rep.by_category else None if best_cat: if pdf.get_y() > 270: pdf.add_page() pdf.multi_cell(0, 5, _safe(f"Strength: {best_cat[0]} with {best_cat[1]['accuracy']*100:.1f}% accuracy"), new_x="LMARGIN", new_y="NEXT") if worst_cat: if pdf.get_y() > 270: pdf.add_page() pdf.multi_cell(0, 5, _safe(f"Weakness: {worst_cat[0]} with {worst_cat[1]['accuracy']*100:.1f}% accuracy - needs improvement"), new_x="LMARGIN", new_y="NEXT") if pdf.get_y() > 270: pdf.add_page() pdf.multi_cell(0, 5, _safe(f"VRAM Peak {rep.vram_peak_mb} MB - {'High usage, consider 4-bit quantization' if rep.vram_peak_mb>8000 else 'Efficient usage'}"), new_x="LMARGIN", new_y="NEXT") # Footer note about Arabic pdf.ln(3) pdf.set_font(font_name, "", 7) # Use _safe for Arabic note pdf.cell(0, 5, _safe("Generated by Safetensors Studio & Bench - يدعم العربية والإنجليزية"), align="C") pdf_bytes = pdf.output() return StreamingResponse( io.BytesIO(pdf_bytes), media_type="application/pdf", headers={"Content-Disposition": f"attachment; filename=report-{report_id}.pdf"} ) @router.get("/pdf/preview") async def pdf_preview_info(): font = _find_arabic_font() has_reshaper = False try: import arabic_reshaper has_reshaper = True except: pass return {"font_path": font, "has_reshaper": has_reshaper, "supports_arabic": font is not None}