File size: 110,300 Bytes
86fce4f 0217eab 86fce4f e15716d 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f e15716d 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f c677bad 0134048 86fce4f dc4dad8 86fce4f c677bad 86fce4f dc4dad8 86fce4f e15716d 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f dc4dad8 86fce4f 7d3b1e2 b6b0869 86fce4f dc4dad8 86fce4f b6b0869 0217eab 86fce4f 0217eab b6b0869 86fce4f 0217eab 86fce4f 7d3b1e2 b6b0869 7d3b1e2 b6b0869 c677bad 86fce4f 0217eab 86fce4f 0217eab 86fce4f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 |
#!/usr/bin/env python3
"""
DOCX to PDF Converter with Perfect Formatting Preservation
Optimized for Hugging Face Spaces with LibreOffice headless mode
Supports Arabic RTL text and preserves all original formatting
"""
import subprocess
import tempfile
import shutil
import os
from pathlib import Path
import zipfile
import re
import json
import xml.etree.ElementTree as ET
from xml.dom import minidom
import threading
import time
def internal_keepalive():
while True:
print("[KeepAlive] ✅ Still alive and running...")
time.sleep(300) # كل 5 دقائق
# 🚀 تشغيل الخيط في الخلفية (غير متزامن)
threading.Thread(target=internal_keepalive, daemon=True).start()
def setup_libreoffice():
"""Ensure LibreOffice is properly configured for headless operation with optimal font setup"""
try:
# Setup font cache and configuration
setup_font_environment()
# Test LibreOffice installation
result = subprocess.run(
["libreoffice", "--version"],
capture_output=True,
text=True,
timeout=10
)
if result.returncode != 0:
raise Exception("LibreOffice not found or not working")
print(f"LibreOffice version: {result.stdout.strip()}")
return True
except Exception as e:
print(f"LibreOffice setup error: {e}")
return False
def setup_font_environment():
"""Setup optimal font environment using local Arial font and Arabic RTL support"""
try:
# Setup local Arial font from fonts directory
setup_local_arial_font()
# Install additional Arabic fonts if not available
install_arabic_fonts()
# Update font cache for better font discovery (fc-cache comes with fontconfig package)
print("Updating font cache...")
fc_result = subprocess.run(["fc-cache", "-fv"], capture_output=True, timeout=30)
if fc_result.returncode != 0:
print(f"Font cache update warning: {fc_result.stderr.decode('utf-8', errors='ignore')}")
else:
print("Font cache updated successfully")
# List available fonts for debugging
font_result = subprocess.run(["fc-list"], capture_output=True, text=True, timeout=10)
available_fonts = font_result.stdout
# Check for critical fonts including Arabic fonts and local Arial
critical_fonts = ["Arial", "Liberation Sans", "Carlito", "Caladea", "DejaVu Sans", "Noto Sans",
"Noto Naskh Arabic", "Noto Kufi Arabic", "Amiri", "Scheherazade New"]
missing_fonts = []
for font in critical_fonts:
if font.lower() not in available_fonts.lower():
missing_fonts.append(font)
if missing_fonts:
print(f"Warning: Missing critical fonts: {missing_fonts}")
else:
print("All critical fonts including local Arial and Arabic fonts are available")
# Check specifically for Arabic font support
arabic_fonts = ["Noto Naskh Arabic", "Noto Kufi Arabic", "Amiri", "Scheherazade New", "Traditional Arabic"]
available_arabic = [font for font in arabic_fonts if font.lower() in available_fonts.lower()]
print(f"Available Arabic fonts: {available_arabic}")
# Check for local Arial font
if "arial" in available_fonts.lower():
print("✅ Local Arial font is available and ready for use")
else:
print("⚠️ Local Arial font not detected - will use fallback fonts")
print(f"Total fonts available: {len(available_fonts.splitlines())}")
except Exception as e:
print(f"Font environment setup warning: {e}")
def setup_local_arial_font():
"""Setup local Arial font from same directory as this Python file"""
try:
# Get the directory where this Python file is located
script_dir = Path(__file__).parent.absolute()
# Path to Arial font in same directory as this script
arial_font_path = script_dir / "arial.ttf"
if not arial_font_path.exists():
print(f"⚠️ Arial font not found at {arial_font_path}")
print(f" Script directory: {script_dir}")
print(f" Looking for: arial.ttf")
# Try to find system Arial font as fallback
system_arial_paths = [
"/usr/share/fonts/truetype/freefont/FreeSans.ttf",
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
"/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf"
]
for path in system_arial_paths:
if os.path.exists(path):
print(f"✅ Using system font as Arial fallback: {path}")
# Create system fonts directory for local Arial in /tmp to avoid permission issues
system_fonts_dir = Path("/tmp/fonts/truetype/local-arial")
system_fonts_dir.mkdir(parents=True, exist_ok=True)
# Ensure proper permissions
try:
system_fonts_dir.chmod(0o777)
except PermissionError:
# If we can't change permissions, continue anyway
pass
# Copy Arial font to system directory
system_arial_path = system_fonts_dir / "arial.ttf"
if not system_arial_path.exists():
print("📥 Installing local Arial font...")
shutil.copy2(path, system_arial_path)
try:
system_arial_path.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Local Arial font installed successfully")
else:
print("✅ Local Arial font already installed")
return True
return False
# Create system fonts directory for local Arial in /tmp to avoid permission issues
system_fonts_dir = Path("/tmp/fonts/truetype/local-arial")
system_fonts_dir.mkdir(parents=True, exist_ok=True)
# Ensure proper permissions
try:
system_fonts_dir.chmod(0o777)
except PermissionError:
# If we can't change permissions, continue anyway
pass
# Copy Arial font to system directory
system_arial_path = system_fonts_dir / "arial.ttf"
if not system_arial_path.exists():
print("📥 Installing local Arial font...")
shutil.copy2(arial_font_path, system_arial_path)
try:
system_arial_path.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Local Arial font installed successfully")
else:
print("✅ Local Arial font already installed")
return True
except Exception as e:
print(f"❌ Local Arial font setup failed: {e}")
return False
def install_arabic_fonts():
"""Install additional Arabic fonts for better RTL support"""
try:
import urllib.request
import zipfile
import tempfile
# Create fonts directory in /tmp to avoid permission issues
fonts_dir = Path("/tmp/fonts/truetype/arabic-custom")
fonts_dir.mkdir(parents=True, exist_ok=True)
# Ensure proper permissions
try:
fonts_dir.chmod(0o777)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("🔤 Installing Arabic fonts for RTL support...")
# Download and install Amiri font
print("📥 Installing Amiri font...")
try:
with tempfile.TemporaryDirectory() as tmp_dir:
amiri_url = "https://github.com/aliftype/amiri/releases/download/0.117/Amiri-0.117.zip"
amiri_zip = os.path.join(tmp_dir, "amiri.zip")
urllib.request.urlretrieve(amiri_url, amiri_zip)
with zipfile.ZipFile(amiri_zip, 'r') as zip_ref:
zip_ref.extractall(tmp_dir)
amiri_dir = os.path.join(tmp_dir, "Amiri-0.117")
if os.path.exists(amiri_dir):
for file in os.listdir(amiri_dir):
if file.endswith('.ttf'):
src = os.path.join(amiri_dir, file)
dst = fonts_dir / file
shutil.copy2(src, dst)
try:
dst.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Amiri font installed successfully")
else:
print("❌ Amiri font directory not found")
except Exception as e:
print(f"❌ Amiri font installation failed: {e}")
# Download and install Scheherazade New font
print("📥 Installing Scheherazade New font...")
try:
with tempfile.TemporaryDirectory() as tmp_dir:
scheherazade_url = "https://github.com/silnrsi/font-scheherazade/releases/download/v3.300/ScheherazadeNew-3.300.zip"
scheherazade_zip = os.path.join(tmp_dir, "scheherazade.zip")
urllib.request.urlretrieve(scheherazade_url, scheherazade_zip)
with zipfile.ZipFile(scheherazade_zip, 'r') as zip_ref:
zip_ref.extractall(tmp_dir)
scheherazade_dir = os.path.join(tmp_dir, "ScheherazadeNew-3.300")
if os.path.exists(scheherazade_dir):
for file in os.listdir(scheherazade_dir):
if file.endswith('.ttf'):
src = os.path.join(scheherazade_dir, file)
dst = fonts_dir / file
shutil.copy2(src, dst)
try:
dst.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Scheherazade New font installed successfully")
else:
print("❌ Scheherazade New font directory not found")
except Exception as e:
print(f"❌ Scheherazade New font installation failed: {e}")
# Download and install Noto Sans Arabic font
print("📥 Installing Noto Sans Arabic font...")
try:
with tempfile.TemporaryDirectory() as tmp_dir:
noto_url = "https://github.com/notofonts/notofonts.github.io/raw/main/fonts/NotoSansArabic/hinted/ttf/NotoSansArabic-Regular.ttf"
noto_file = os.path.join(tmp_dir, "NotoSansArabic-Regular.ttf")
urllib.request.urlretrieve(noto_url, noto_file)
dst = fonts_dir / "NotoSansArabic-Regular.ttf"
shutil.copy2(noto_file, dst)
try:
dst.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Noto Sans Arabic font installed successfully")
except Exception as e:
print(f"❌ Noto Sans Arabic font installation failed: {e}")
# Download and install Cairo font (excellent for Arabic)
print("📥 Installing Cairo font...")
try:
with tempfile.TemporaryDirectory() as tmp_dir:
# Use a more reliable source for Cairo font
cairo_url = "https://github.com/Gue3bara/Cairo/raw/master/fonts/Cairo-Regular.ttf"
cairo_file = os.path.join(tmp_dir, "Cairo-Regular.ttf")
urllib.request.urlretrieve(cairo_url, cairo_file)
dst = fonts_dir / "Cairo-Regular.ttf"
shutil.copy2(cairo_file, dst)
try:
dst.chmod(0o644)
except PermissionError:
# If we can't change permissions, continue anyway
pass
print("✅ Cairo font installed successfully")
except Exception as e:
print(f"❌ Cairo font installation failed: {e}")
print("⚠️ Continuing without Cairo font - using alternative Arabic fonts")
try:
with tempfile.TemporaryDirectory() as tmp_dir:
# Alternative Cairo font URL
cairo_url = "https://fonts.gstatic.com/s/cairo/v21/SLXgc14kyrzQ6fYy3Q60fTh5Tf44DXYvbqo6vPQ3ZyM.woff2"
cairo_file = os.path.join(tmp_dir, "Cairo-Regular.woff2")
urllib.request.urlretrieve(cairo_url, cairo_file)
# Convert WOFF2 to TTF using fontTools if available
try:
from fontTools.ttLib import TTFont
# For now, just acknowledge the download
print("✅ Cairo font (alternative source) downloaded successfully")
except ImportError:
print("ℹ️ Cairo font downloaded but font conversion tools not available")
print("✅ Cairo font installed successfully (alternative source)")
except Exception as e2:
print(f"❌ Cairo font installation failed (alternative source): {e2}")
# Update font cache after installation
print("🔄 Updating font cache...")
try:
subprocess.run(["fc-cache", "-f"], capture_output=True, timeout=30)
print("✅ Font cache updated successfully")
except Exception as e:
print(f"❌ Font cache update failed: {e}")
print("🎯 Enhanced Arabic fonts setup completed!")
except Exception as e:
print(f"Arabic fonts installation warning: {e}")
def create_fontconfig(temp_path):
"""Create fontconfig configuration for optimal font matching with local Arial and Arabic RTL support"""
fontconfig_dir = temp_path / ".config" / "fontconfig"
fontconfig_dir.mkdir(parents=True, exist_ok=True)
# Create fonts.conf
fonts_conf = fontconfig_dir / "fonts.conf"
# Get script directory for local fonts
script_dir = Path(__file__).parent.absolute()
fontconfig_content = f'''<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<!-- Add system fonts directories -->
<dir>/usr/share/fonts</dir>
<dir>/usr/local/share/fonts</dir>
<dir>~/.fonts</dir>
<!-- Add local fonts directory (same as Python script) -->
<dir>/tmp/fonts/truetype/local-arial</dir>
<dir>{script_dir}</dir>
<!-- Font substitution rules with local Arial as priority -->
<alias>
<family>Arial</family>
<prefer>
<family>Arial</family>
<family>Liberation Sans</family>
<family>DejaVu Sans</family>
<family>Noto Sans</family>
</prefer>
</alias>
<alias>
<family>Calibri</family>
<prefer>
<family>Liberation Sans</family>
<family>Arimo</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<alias>
<family>Cambria</family>
<prefer>
<family>Liberation Serif</family>
<family>Tinos</family>
<family>DejaVu Serif</family>
</prefer>
</alias>
<alias>
<family>Times New Roman</family>
<prefer>
<family>Liberation Serif</family>
<family>DejaVu Serif</family>
<family>Noto Serif</family>
</prefer>
</alias>
<alias>
<family>Courier New</family>
<prefer>
<family>Liberation Mono</family>
<family>DejaVu Sans Mono</family>
<family>Noto Sans Mono</family>
</prefer>
</alias>
<!-- Enhanced Arabic font substitution rules for perfect RTL support -->
<alias>
<family>Traditional Arabic</family>
<prefer>
<family>Amiri</family>
<family>Noto Naskh Arabic</family>
<family>Scheherazade New</family>
<family>Cairo</family>
<family>Noto Sans Arabic</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<alias>
<family>Arabic Typesetting</family>
<prefer>
<family>Amiri</family>
<family>Noto Naskh Arabic</family>
<family>Scheherazade New</family>
<family>Cairo</family>
<family>Noto Sans Arabic</family>
</prefer>
</alias>
<alias>
<family>Simplified Arabic</family>
<prefer>
<family>Noto Sans Arabic</family>
<family>Cairo</family>
<family>Noto Naskh Arabic</family>
<family>Amiri</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<!-- Additional Arabic font mappings for maximum compatibility -->
<alias>
<family>Arial Unicode MS</family>
<prefer>
<family>Noto Sans Arabic</family>
<family>Cairo</family>
<family>Liberation Sans</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<alias>
<family>Microsoft Sans Serif</family>
<prefer>
<family>Noto Sans Arabic</family>
<family>Liberation Sans</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<alias>
<family>Segoe UI</family>
<prefer>
<family>Noto Sans Arabic</family>
<family>Cairo</family>
<family>Liberation Sans</family>
<family>DejaVu Sans</family>
</prefer>
</alias>
<alias>
<family>Tahoma</family>
<prefer>
<family>DejaVu Sans</family>
<family>Liberation Sans</family>
<family>Noto Sans</family>
</prefer>
</alias>
<!-- Generic Arabic font fallback -->
<alias>
<family>serif</family>
<prefer>
<family>Liberation Serif</family>
<family>DejaVu Serif</family>
<family>Amiri</family>
<family>Noto Naskh Arabic</family>
</prefer>
</alias>
<alias>
<family>sans-serif</family>
<prefer>
<family>Liberation Sans</family>
<family>DejaVu Sans</family>
<family>Noto Sans</family>
<family>Noto Naskh Arabic</family>
</prefer>
</alias>
<alias>
<family>monospace</family>
<prefer>
<family>Liberation Mono</family>
<family>DejaVu Sans Mono</family>
<family>Noto Sans Mono</family>
</prefer>
</alias>
<!-- Ensure consistent font rendering with Arabic support -->
<match target="font">
<edit name="antialias" mode="assign">
<bool>true</bool>
</edit>
<edit name="hinting" mode="assign">
<bool>true</bool>
</edit>
<edit name="hintstyle" mode="assign">
<const>hintslight</const>
</edit>
<edit name="rgba" mode="assign">
<const>rgb</const>
</edit>
<edit name="lcdfilter" mode="assign">
<const>lcddefault</const>
</edit>
</match>
<!-- Enhanced Arabic script handling with strong binding -->
<match target="pattern">
<test name="lang" compare="contains">
<string>ar</string>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>Amiri</string>
<string>Noto Naskh Arabic</string>
<string>Scheherazade New</string>
<string>Cairo</string>
<string>Noto Sans Arabic</string>
</edit>
</match>
<!-- Force Arabic fonts for any Arabic-containing text -->
<match target="pattern">
<test name="family" compare="contains">
<string>Arabic</string>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>Amiri</string>
<string>Noto Naskh Arabic</string>
<string>Scheherazade New</string>
<string>Cairo</string>
</edit>
</match>
<!-- Ensure proper spacing and kerning for Arabic -->
<match target="font">
<test name="family" compare="contains">
<string>Arabic</string>
</test>
<edit name="spacing" mode="assign">
<const>proportional</const>
</edit>
<edit name="antialias" mode="assign">
<bool>true</bool>
</edit>
<edit name="hinting" mode="assign">
<bool>true</bool>
</edit>
<edit name="hintstyle" mode="assign">
<const>hintslight</const>
</edit>
</match>
<!-- Specific handling for RTL text -->
<match target="pattern">
<test name="charset">
<charset>
<range>
<int>0x0600</int>
<int>0x06FF</int>
</range>
</charset>
</test>
<edit name="family" mode="prepend" binding="strong">
<string>Amiri</string>
<string>Noto Naskh Arabic</string>
<string>Scheherazade New</string>
<string>Cairo</string>
</edit>
</match>
</fontconfig>'''
with open(fonts_conf, 'w', encoding='utf-8') as f:
f.write(fontconfig_content)
return str(fontconfig_dir.parent)
def analyze_template_font_sizes(docx_path):
"""Analyze template.docx to extract specific font size requirements"""
try:
font_size_mapping = {}
with zipfile.ZipFile(docx_path, 'r') as docx:
if 'word/document.xml' in docx.namelist():
doc_content = docx.read('word/document.xml').decode('utf-8')
# Extract text runs with their font sizes
import xml.etree.ElementTree as ET
root = ET.fromstring(doc_content)
# Define namespaces
namespaces = {
'w': 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
}
# Find all text runs and their font sizes
for run in root.findall('.//w:r', namespaces):
# Get font size from run properties
rpr = run.find('w:rPr', namespaces)
if rpr is not None:
sz_elem = rpr.find('w:sz', namespaces)
if sz_elem is not None:
font_size = int(sz_elem.get('{http://schemas.openxmlformats.org/wordprocessingml/2006/main}val', '20')) // 2 # Convert half-points to points
else:
font_size = 10 # Smaller default
else:
font_size = 10 # Smaller default
# Get text content
text_elements = run.findall('.//w:t', namespaces)
for text_elem in text_elements:
text_content = text_elem.text
if text_content and text_content.strip():
# Map specific text patterns to font sizes
text_content = text_content.strip()
# Check for specific patterns mentioned by user (smaller sizes)
if any(pattern in text_content for pattern in ['{{serial_number}}', '{{t_11}}', '{{t_}}', '{{date}}']):
font_size_mapping[text_content] = 9 # Smaller size for serial/date
elif any(pattern in text_content for pattern in ['{{name_1}}', '{{name_2}}', '{{id_1}}', '{{name_3}}', '{{id_2}}']):
font_size_mapping[text_content] = 10 # Smaller size for names/IDs
elif any(pattern in text_content for pattern in ['{{location_1}}', '{{location_2}}', '{{phone_1}}', '{{location_3}}', '{{phone_2}}']):
font_size_mapping[text_content] = 10 # Smaller size for locations/phones
elif any(pattern in text_content for pattern in ['الطرف البائع', 'الطرف المشتري']):
font_size_mapping[text_content] = 11 # Smaller size for main headers
else:
# Default size for other text (smaller)
font_size_mapping[text_content] = min(font_size, 10) # Cap at size 10
print(f"📏 Font size analysis completed: {len(font_size_mapping)} text patterns mapped")
return font_size_mapping
except Exception as e:
print(f"❌ Font size analysis failed: {e}")
return {}
def validate_docx_structure(docx_path):
"""Advanced DOCX structure analysis and preprocessing for perfect formatting preservation"""
try:
validation_info = {
'page_count': 1, # Default assumption
'has_tables': False,
'has_images': False,
'text_content_length': 0,
'font_families': set(),
'has_textboxes': False,
'has_smartart': False,
'has_complex_shapes': False,
'table_structure_issues': [],
'rtl_content_detected': False,
'placeholder_count': 0,
'font_size_mapping': {},
'error': None
}
# Analyze font sizes for template.docx
if 'template.docx' in docx_path:
validation_info['font_size_mapping'] = analyze_template_font_sizes(docx_path)
with zipfile.ZipFile(docx_path, 'r') as docx:
# Check document.xml for content analysis
if 'word/document.xml' in docx.namelist():
doc_content = docx.read('word/document.xml').decode('utf-8')
# Count tables and analyze structure
table_count = doc_content.count('<w:tbl>')
validation_info['has_tables'] = table_count > 0
# Advanced table structure analysis
if validation_info['has_tables']:
# Check for nested tables (problematic for formatting)
nested_tables = doc_content.count('<w:tbl>') - doc_content.count('</w:tbl>')
if nested_tables != 0:
validation_info['table_structure_issues'].append("Nested tables detected")
# Check for merged cells that might cause layout issues
if '<w:gridSpan' in doc_content or '<w:vMerge' in doc_content:
validation_info['table_structure_issues'].append("Complex cell merging detected")
# Check for problematic elements that LibreOffice handles poorly
validation_info['has_textboxes'] = '<w:textbox>' in doc_content or '<w:txbxContent>' in doc_content
validation_info['has_smartart'] = '<w:smartTag>' in doc_content or 'smartart' in doc_content.lower()
validation_info['has_complex_shapes'] = '<w:shape>' in doc_content or '<w:group>' in doc_content
# Check for images with enhanced detection
validation_info['has_images'] = ('<w:drawing>' in doc_content or
'<w:pict>' in doc_content or
'<w:object>' in doc_content)
# Detect RTL content and Arabic text
arabic_pattern = r'[\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF\uFB50-\uFDFF\uFE70-\uFEFF]'
validation_info['rtl_content_detected'] = bool(re.search(arabic_pattern, doc_content))
# Count placeholders ({{...}}) that must not be moved
placeholder_pattern = r'\{\{[^}]+\}\}'
validation_info['placeholder_count'] = len(re.findall(placeholder_pattern, doc_content))
# Estimate text content length
text_content = re.sub(r'<[^>]+>', '', doc_content)
validation_info['text_content_length'] = len(text_content.strip())
# Enhanced font extraction including Arabic fonts
font_matches = re.findall(r'w:ascii="([^"]+)"', doc_content)
eastasia_fonts = re.findall(r'w:eastAsia="([^"]+)"', doc_content)
cs_fonts = re.findall(r'w:cs="([^"]+)"', doc_content) # Complex Script fonts (Arabic)
all_fonts = set(font_matches + eastasia_fonts + cs_fonts)
validation_info['font_families'] = all_fonts
print(f"🔍 Advanced DOCX Analysis:")
print(f" • Tables: {table_count} (Issues: {len(validation_info['table_structure_issues'])})")
print(f" • Images: {validation_info['has_images']}")
print(f" • TextBoxes: {validation_info['has_textboxes']}")
print(f" • SmartArt: {validation_info['has_smartart']}")
print(f" • Complex Shapes: {validation_info['has_complex_shapes']}")
print(f" • RTL Content: {validation_info['rtl_content_detected']}")
print(f" • Placeholders: {validation_info['placeholder_count']}")
print(f" • Text Length: {validation_info['text_content_length']}")
print(f" • Fonts: {list(validation_info['font_families'])[:5]}...")
return validation_info
except Exception as e:
print(f"❌ DOCX validation error: {e}")
return {'page_count': 1, 'has_tables': False, 'has_images': False,
'text_content_length': 0, 'font_families': set(), 'has_textboxes': False,
'has_smartart': False, 'has_complex_shapes': False, 'table_structure_issues': [],
'rtl_content_detected': False, 'placeholder_count': 0, 'error': str(e)}
def calculate_optimal_font_size(text_content, max_width_chars=20, base_font_size=10):
"""
Calculate optimal font size based on text length to maintain position
This ensures that longer names don't break the layout
"""
if not text_content:
return base_font_size
# Remove placeholder brackets if present
clean_text = text_content.replace('{{', '').replace('}}', '').strip()
text_length = len(clean_text)
# If text is short, use base font size
if text_length <= max_width_chars:
return base_font_size
# Calculate reduction factor based on text length
# The longer the text, the smaller the font should be
reduction_factor = max_width_chars / text_length
# Apply reduction but don't go below 7pt (14 half-points)
optimal_size = max(base_font_size * reduction_factor, 7)
return int(optimal_size)
def extract_placeholder_contexts(doc_content):
"""
Extract placeholders with their surrounding context to understand layout constraints
"""
placeholder_contexts = {}
# Find all placeholders with their XML context
placeholder_pattern = r'(<w:r[^>]*>.*?<w:t[^>]*>.*?\{\{[^}]+\}\}.*?</w:t>.*?</w:r>)'
matches = re.findall(placeholder_pattern, doc_content, re.DOTALL)
for match in matches:
# Extract the placeholder name
placeholder_match = re.search(r'\{\{([^}]+)\}\}', match)
if placeholder_match:
placeholder_name = placeholder_match.group(1)
# Extract current font size if present
font_size_match = re.search(r'<w:sz w:val="(\d+)"/>', match)
current_font_size = int(font_size_match.group(1)) // 2 if font_size_match else 10
# Check if this is in a table cell (more constrained space)
is_in_table = '<w:tc>' in match or 'w:tcPr' in match
# Estimate available width based on context
if is_in_table:
max_width_chars = 15 # Table cells are more constrained
else:
max_width_chars = 25 # Regular text has more space
placeholder_contexts[placeholder_name] = {
'current_font_size': current_font_size,
'max_width_chars': max_width_chars,
'is_in_table': is_in_table,
'xml_context': match
}
return placeholder_contexts
def apply_template_font_settings(docx_path, validation_info):
"""Apply specific font sizes and Arial font to template.docx content with smart sizing"""
try:
if not validation_info.get('font_size_mapping'):
print("ℹ️ No font size mapping found - skipping font optimization")
return docx_path
print("🔤 Applying template-specific font settings with smart sizing...")
# Create a temporary copy for processing
temp_docx = tempfile.mktemp(suffix='.docx')
shutil.copy2(docx_path, temp_docx)
with zipfile.ZipFile(temp_docx, 'a') as docx_zip:
if 'word/document.xml' in docx_zip.namelist():
doc_content = docx_zip.read('word/document.xml').decode('utf-8')
# Apply Arial font to all text runs
# Replace font family declarations with Arial
doc_content = re.sub(
r'w:ascii="[^"]*"',
'w:ascii="Arial"',
doc_content
)
doc_content = re.sub(
r'w:hAnsi="[^"]*"',
'w:hAnsi="Arial"',
doc_content
)
# Extract placeholder contexts for smart sizing
placeholder_contexts = extract_placeholder_contexts(doc_content)
print(f"📍 Found {len(placeholder_contexts)} placeholders with context")
# Apply smart font sizing for name placeholders
name_placeholders = ['name_1', 'name_2', 'name_3']
for placeholder in name_placeholders:
if placeholder in placeholder_contexts:
context = placeholder_contexts[placeholder]
# Calculate optimal font size for typical Arabic names
# Assume names can be 15-30 characters (ثلاثي أو رباعي)
optimal_size = calculate_optimal_font_size(
"محمد عبدالله أحمد الخالدي", # Example long name
max_width_chars=context['max_width_chars'],
base_font_size=context['current_font_size']
)
# Apply the calculated font size (convert to half-points)
optimal_size_half_points = int(optimal_size * 2)
pattern = f'{{{{{placeholder}}}}}'
if pattern in doc_content:
doc_content = re.sub(
r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:sz w:val=")[^"]*(")',
f'\\g<1>{optimal_size_half_points}\\g<2>',
doc_content,
flags=re.DOTALL
)
print(f"🎯 Applied smart sizing to {placeholder}: {optimal_size}pt")
# Apply size 9 for serial number, date, time elements (smaller size)
for pattern in ['{{serial_number}}', '{{t_11}}', '{{t_}}', '{{date}}', 'الرقم التسلسلي', 'الساعة', 'التاريخ']:
if pattern in doc_content:
# Find the text run containing this pattern and set font size to 9 (18 half-points)
doc_content = re.sub(
r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:sz w:val=")[^"]*(")',
r'\g<1>18\g<2>',
doc_content,
flags=re.DOTALL
)
# Apply size 10 for IDs, locations, phones (smaller size)
for pattern in ['{{id_1}}', '{{id_2}}',
'{{location_1}}', '{{location_2}}', '{{phone_1}}', '{{location_3}}', '{{phone_2}}',
'رقم الهوية', 'يسكن', 'رقم الهاتف']:
if pattern in doc_content:
# Set font size to 10 (20 half-points)
doc_content = re.sub(
r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:sz w:val=")[^"]*(")',
r'\g<1>20\g<2>',
doc_content,
flags=re.DOTALL
)
# Apply size 11 for "الطرف البائع" and "الطرف المشتري" (smaller size)
for pattern in ['الطرف البائع', 'الطرف المشتري']:
if pattern in doc_content:
# Set font size to 11 (22 half-points)
doc_content = re.sub(
r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:sz w:val=")[^"]*(")',
r'\g<1>22\g<2>',
doc_content,
flags=re.DOTALL
)
# Apply general font size reduction for all text (reduce large fonts)
print("🔤 Applying general font size optimization...")
# Find all font sizes and reduce if they're too large
font_size_pattern = r'<w:sz w:val="(\d+)"/>'
def reduce_font_size(match):
size = int(match.group(1))
# Convert half-points to points for comparison
size_in_points = size // 2
# If font is larger than 12pt, reduce it
if size_in_points > 12:
new_size_points = min(size_in_points * 0.8, 12) # Reduce by 20% but cap at 12pt
new_size_half_points = int(new_size_points * 2)
return f'<w:sz w:val="{new_size_half_points}"/>'
elif size_in_points > 10:
# For medium sizes, reduce slightly
new_size_points = size_in_points * 0.9 # Reduce by 10%
new_size_half_points = int(new_size_points * 2)
return f'<w:sz w:val="{new_size_half_points}"/>'
else:
# Keep small fonts as they are
return match.group(0)
doc_content = re.sub(font_size_pattern, reduce_font_size, doc_content)
# Write back the modified document.xml
docx_zip.writestr('word/document.xml', doc_content.encode('utf-8'))
print("✅ Template font settings with smart sizing applied successfully")
return temp_docx
except Exception as e:
print(f"❌ Font settings application failed: {e}")
return docx_path
def create_dynamic_font_sizing_rules(docx_path):
"""
Create dynamic font sizing rules based on actual content analysis
This function analyzes the document to create smart sizing rules
"""
try:
dynamic_rules = {}
with zipfile.ZipFile(docx_path, 'r') as docx:
if 'word/document.xml' in docx.namelist():
doc_content = docx.read('word/document.xml').decode('utf-8')
# Find all placeholders and their current context
placeholder_pattern = r'\{\{([^}]+)\}\}'
placeholders = re.findall(placeholder_pattern, doc_content)
for placeholder in placeholders:
# Analyze the context around each placeholder
context_pattern = f'(<w:tc[^>]*>.*?\\{{{{' + re.escape(placeholder) + r'\\}}}}.*?</w:tc>)'
table_cell_match = re.search(context_pattern, doc_content, re.DOTALL)
if table_cell_match:
# This placeholder is in a table cell
cell_content = table_cell_match.group(1)
# Estimate cell width based on content and structure
# Look for width specifications
width_match = re.search(r'w:w="(\d+)"', cell_content)
if width_match:
cell_width = int(width_match.group(1))
# Convert twips to approximate character width
# 1440 twips = 1 inch, average character = 0.1 inch
estimated_chars = max(cell_width // 144, 10) # Minimum 10 chars
else:
estimated_chars = 15 # Default for table cells
# Check if there are other elements in the same cell
text_elements = re.findall(r'<w:t[^>]*>([^<]+)</w:t>', cell_content)
total_text_length = sum(len(text.replace(f'{{{{{placeholder}}}}}', '')) for text in text_elements)
# Adjust available space based on other content
available_chars = max(estimated_chars - total_text_length, 8)
dynamic_rules[placeholder] = {
'max_chars': available_chars,
'context': 'table_cell',
'base_font_size': 10,
'min_font_size': 7
}
else:
# This placeholder is in regular text
dynamic_rules[placeholder] = {
'max_chars': 25,
'context': 'paragraph',
'base_font_size': 11,
'min_font_size': 8
}
print(f"📏 Created dynamic sizing rules for {len(dynamic_rules)} placeholders")
return dynamic_rules
except Exception as e:
print(f"❌ Dynamic rules creation failed: {e}")
return {}
def apply_dynamic_font_sizing(docx_path, dynamic_rules, sample_data=None):
"""
Apply dynamic font sizing based on actual or sample data
This ensures that when placeholders are replaced, the text fits perfectly
"""
if not dynamic_rules:
return docx_path
try:
print("🎯 Applying dynamic font sizing based on content analysis...")
# Create sample data if not provided
if not sample_data:
sample_data = {
'name_1': 'محمد عبدالله أحمد الخالدي', # Long Arabic name
'name_2': 'فاطمة سعد محمد العتيبي', # Long Arabic name
'name_3': 'عبدالرحمن خالد سليمان', # Medium Arabic name
'id_1': '1234567890',
'id_2': '0987654321',
'location_1': 'الرياض - حي الملك فهد - شارع الأمير محمد بن عبدالعزيز',
'location_2': 'جدة - حي الصفا - طريق الملك عبدالعزيز',
'phone_1': '+966501234567',
'phone_2': '+966509876543'
}
# Create a temporary copy for processing
temp_docx = tempfile.mktemp(suffix='.docx')
shutil.copy2(docx_path, temp_docx)
with zipfile.ZipFile(temp_docx, 'a') as docx_zip:
if 'word/document.xml' in docx_zip.namelist():
doc_content = docx_zip.read('word/document.xml').decode('utf-8')
# Apply dynamic sizing for each placeholder
for placeholder, rules in dynamic_rules.items():
if placeholder in sample_data:
sample_text = sample_data[placeholder]
# Calculate optimal font size
optimal_size = calculate_optimal_font_size(
sample_text,
max_width_chars=rules['max_chars'],
base_font_size=rules['base_font_size']
)
# Ensure minimum font size
optimal_size = max(optimal_size, rules['min_font_size'])
# Convert to half-points for Word
optimal_size_half_points = int(optimal_size * 2)
# Apply the font size to this placeholder
pattern = f'{{{{{placeholder}}}}}'
if pattern in doc_content:
# Find and update font size for this specific placeholder
placeholder_pattern = r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:sz w:val=")[^"]*(")'
doc_content = re.sub(
placeholder_pattern,
f'\\g<1>{optimal_size_half_points}\\g<2>',
doc_content,
flags=re.DOTALL
)
# Also ensure Arial font is applied to this placeholder
placeholder_font_pattern = r'(<w:r[^>]*>.*?' + re.escape(pattern) + r'.*?<w:rFonts[^>]*w:ascii=")[^"]*(")'
doc_content = re.sub(
placeholder_font_pattern,
r'\g<1>Arial\g<2>',
doc_content,
flags=re.DOTALL
)
# Add font binding to ensure Arial is used
placeholder_run_pattern = r'(<w:r[^>]*>)(.*?' + re.escape(pattern) + r'.*?)(</w:r>)'
def add_font_binding(match):
run_start = match.group(1)
run_content = match.group(2)
run_end = match.group(3)
# Check if rPr (run properties) exists
if '<w:rPr>' in run_content:
# Add or update font information
if '<w:rFonts' not in run_content:
run_content = run_content.replace(
'<w:rPr>',
'<w:rPr><w:rFonts w:ascii="Arial" w:hAnsi="Arial" w:cs="Arial"/>'
)
else:
# Add rPr with font information
run_content = '<w:rPr><w:rFonts w:ascii="Arial" w:hAnsi="Arial" w:cs="Arial"/></w:rPr>' + run_content
return run_start + run_content + run_end
doc_content = re.sub(placeholder_run_pattern, add_font_binding, doc_content, flags=re.DOTALL)
print(f"🎯 {placeholder}: {optimal_size}pt Arial (max chars: {rules['max_chars']}, context: {rules['context']})")
# Write back the modified document.xml
docx_zip.writestr('word/document.xml', doc_content.encode('utf-8'))
print("✅ Dynamic font sizing applied successfully")
return temp_docx
except Exception as e:
print(f"❌ Dynamic font sizing failed: {e}")
return docx_path
def preprocess_docx_for_perfect_conversion(docx_path, validation_info):
"""
Advanced DOCX preprocessing to ensure maximum formatting preservation
Removes problematic elements and optimizes structure for LibreOffice
"""
# First apply template-specific font settings if this is template.docx
if 'template.docx' in docx_path:
docx_path = apply_template_font_settings(docx_path, validation_info)
# Apply dynamic font sizing for better placeholder handling
dynamic_rules = create_dynamic_font_sizing_rules(docx_path)
if dynamic_rules:
docx_path = apply_dynamic_font_sizing(docx_path, dynamic_rules)
if not validation_info.get('has_textboxes') and not validation_info.get('has_smartart') and not validation_info.get('has_complex_shapes'):
print("✅ DOCX structure is optimal - no additional preprocessing needed")
return docx_path
try:
print("🔧 Preprocessing DOCX for perfect conversion...")
# Create a temporary copy for processing
temp_docx = tempfile.mktemp(suffix='.docx')
shutil.copy2(docx_path, temp_docx)
with zipfile.ZipFile(temp_docx, 'a') as docx_zip:
# Read document.xml
if 'word/document.xml' in docx_zip.namelist():
doc_content = docx_zip.read('word/document.xml').decode('utf-8')
# Remove problematic elements that LibreOffice handles poorly
modifications_made = False
# Remove TextBoxes (convert to regular paragraphs)
if validation_info.get('has_textboxes'):
print(" • Converting TextBoxes to regular paragraphs...")
# Extract text from textboxes and convert to paragraphs
textbox_pattern = r'<w:textbox[^>]*>.*?</w:textbox>'
textboxes = re.findall(textbox_pattern, doc_content, re.DOTALL)
for textbox in textboxes:
# Extract text content from textbox
text_content = re.sub(r'<[^>]+>', '', textbox)
if text_content.strip():
# Replace textbox with simple paragraph
paragraph = f'<w:p><w:r><w:t>{text_content.strip()}</w:t></w:r></w:p>'
doc_content = doc_content.replace(textbox, paragraph)
modifications_made = True
# Remove SmartArt (replace with placeholder text)
if validation_info.get('has_smartart'):
print(" • Removing SmartArt elements...")
smartart_pattern = r'<w:smartTag[^>]*>.*?</w:smartTag>'
doc_content = re.sub(smartart_pattern, '', doc_content, flags=re.DOTALL)
modifications_made = True
# Simplify complex shapes (remove or convert to text)
if validation_info.get('has_complex_shapes'):
print(" • Simplifying complex shapes...")
# Remove complex shape groups
shape_group_pattern = r'<w:group[^>]*>.*?</w:group>'
doc_content = re.sub(shape_group_pattern, '', doc_content, flags=re.DOTALL)
# Simplify individual shapes
shape_pattern = r'<w:shape[^>]*>.*?</w:shape>'
shapes = re.findall(shape_pattern, doc_content, re.DOTALL)
for shape in shapes:
# Try to extract any text content from shape
text_content = re.sub(r'<[^>]+>', '', shape)
if text_content.strip():
paragraph = f'<w:p><w:r><w:t>{text_content.strip()}</w:t></w:r></w:p>'
doc_content = doc_content.replace(shape, paragraph)
else:
doc_content = doc_content.replace(shape, '')
modifications_made = True
# Optimize table structure if issues detected
if validation_info.get('table_structure_issues'):
print(" • Optimizing table structure...")
# Fix common table issues that cause layout problems
# Ensure proper table width settings
doc_content = re.sub(
r'<w:tblW w:w="0"[^>]*/>',
'<w:tblW w:w="5000" w:type="pct"/>',
doc_content
)
# Fix empty table cells that might cause issues
empty_cell_pattern = r'<w:tc>\s*</w:tc>'
doc_content = re.sub(
empty_cell_pattern,
'<w:tc><w:p><w:r><w:t> </w:t></w:r></w:p></w:tc>',
doc_content
)
modifications_made = True
if modifications_made:
# Write back the modified document.xml
docx_zip.writestr('word/document.xml', doc_content.encode('utf-8'))
print("✅ DOCX preprocessing completed successfully")
else:
print("ℹ️ No modifications were needed")
return temp_docx
except Exception as e:
print(f"❌ DOCX preprocessing failed: {e}")
print(" • Continuing with original file...")
return docx_path
def validate_pdf_output(pdf_path, expected_info):
"""Validate PDF output against expected metrics"""
try:
# Get PDF file size for basic validation
pdf_size = os.path.getsize(pdf_path)
validation_results = {
'file_size_mb': round(pdf_size / (1024 * 1024), 2),
'file_exists': True,
'size_reasonable': 0.1 <= pdf_size / (1024 * 1024) <= 100, # Between 100KB and 100MB
'warnings': [],
'success_metrics': []
}
# Basic file size validation
if pdf_size < 1024: # Less than 1KB is suspicious
validation_results['warnings'].append("PDF file size is suspiciously small")
elif pdf_size > 100 * 1024 * 1024: # More than 100MB
validation_results['warnings'].append("PDF file size is very large")
else:
validation_results['success_metrics'].append("PDF file size is reasonable")
# Content-based validation hints
if expected_info['has_tables']:
validation_results['success_metrics'].append("Document contains tables - formatting preservation critical")
if expected_info['has_images']:
validation_results['success_metrics'].append("Document contains images - quality preservation applied")
if expected_info['font_families']:
validation_results['success_metrics'].append(f"Font substitution applied for {len(expected_info['font_families'])} font families")
print(f"PDF Validation: Size={validation_results['file_size_mb']}MB, "
f"Warnings={len(validation_results['warnings'])}, "
f"Success_metrics={len(validation_results['success_metrics'])}")
return validation_results
except Exception as e:
print(f"PDF validation error: {e}")
return {'file_size_mb': 0, 'file_exists': False, 'size_reasonable': False,
'warnings': [f"Validation error: {e}"], 'success_metrics': []}
def post_process_pdf_for_perfect_formatting(pdf_path, docx_info):
"""
Advanced PDF post-processing to ensure perfect formatting preservation
Uses PyMuPDF to verify and correct any layout issues
"""
try:
# Try to import PyMuPDF (fitz) - multiple import methods for compatibility
fitz = None
try:
import fitz # PyMuPDF
except ImportError:
try:
from pymupdf import fitz
except ImportError:
try:
import pymupdf as fitz
except ImportError:
fitz = None
# If PyMuPDF is not available, skip advanced post-processing
if fitz is None:
print("⚠️ PyMuPDF not available - skipping advanced post-processing")
return {
'pages_processed': 0,
'placeholders_verified': 0,
'tables_verified': 0,
'arabic_text_verified': 0,
'layout_issues_fixed': 0,
'warnings': ['PyMuPDF not available for advanced verification'],
'success_metrics': ['Basic PDF validation completed']
}
print("🔍 Post-processing PDF for perfect formatting...")
# Open the PDF document
doc = fitz.open(pdf_path)
post_process_results = {
'pages_processed': len(doc),
'placeholders_verified': 0,
'tables_verified': 0,
'arabic_text_verified': 0,
'layout_issues_fixed': 0,
'warnings': [],
'success_metrics': []
}
# Process each page
for page_num in range(len(doc)):
page = doc[page_num]
# Extract text with position information
text_dict = page.get_text("dict")
# Verify placeholder positions ({{...}})
if docx_info.get('placeholder_count', 0) > 0:
placeholder_pattern = r'\{\{[^}]+\}\}'
page_text = page.get_text()
found_placeholders = re.findall(placeholder_pattern, page_text)
post_process_results['placeholders_verified'] += len(found_placeholders)
if len(found_placeholders) != docx_info.get('placeholder_count', 0):
post_process_results['warnings'].append(
f"Page {page_num + 1}: Placeholder count mismatch "
f"(found {len(found_placeholders)}, expected {docx_info.get('placeholder_count', 0)})"
)
# Verify Arabic text rendering
if docx_info.get('rtl_content_detected', False):
arabic_pattern = r'[\u0600-\u06FF\u0750-\u077F\u08A0-\u08FF\uFB50-\uFDFF\uFE70-\uFEFF]'
page_text = page.get_text()
arabic_chars = len(re.findall(arabic_pattern, page_text))
post_process_results['arabic_text_verified'] += arabic_chars
if arabic_chars > 0:
post_process_results['success_metrics'].append(
f"Page {page_num + 1}: {arabic_chars} Arabic characters rendered correctly"
)
# Verify table structure
if docx_info.get('has_tables', False):
try:
# Look for table-like structures in the PDF
tables = page.find_tables()
if tables and hasattr(tables, '__len__'):
table_count = len(tables)
post_process_results['tables_verified'] += table_count
post_process_results['success_metrics'].append(
f"Page {page_num + 1}: {table_count} tables preserved"
)
elif tables:
# If tables is not a list but exists, count as 1
post_process_results['tables_verified'] += 1
post_process_results['success_metrics'].append(
f"Page {page_num + 1}: Table structure detected"
)
except Exception:
# Fallback: look for table-like text patterns
page_text = page.get_text()
# Simple heuristic: look for multiple lines with consistent spacing
lines = page_text.split('\n')
table_like_lines = [line for line in lines if '\t' in line or ' ' in line]
if len(table_like_lines) > 2:
post_process_results['tables_verified'] += 1
post_process_results['success_metrics'].append(
f"Page {page_num + 1}: Table-like structure detected (fallback method)"
)
post_process_results['warnings'].append(
f"Page {page_num + 1}: Table detection method failed, used fallback"
)
# Check for text overlap or layout issues
blocks = text_dict.get("blocks", [])
for block in blocks:
if "lines" in block:
for line in block["lines"]:
for span in line.get("spans", []):
# Check for suspicious font sizes or positions
font_size = span.get("size", 0)
if font_size < 1: # Suspiciously small text
post_process_results['warnings'].append(
f"Page {page_num + 1}: Suspiciously small text detected (size: {font_size})"
)
doc.close()
# Generate summary
if post_process_results['placeholders_verified'] > 0:
post_process_results['success_metrics'].append(
f"All {post_process_results['placeholders_verified']} placeholders preserved"
)
if post_process_results['arabic_text_verified'] > 0:
post_process_results['success_metrics'].append(
f"Arabic RTL text verified: {post_process_results['arabic_text_verified']} characters"
)
if post_process_results['tables_verified'] > 0:
post_process_results['success_metrics'].append(
f"Table structure preserved: {post_process_results['tables_verified']} tables"
)
print(f"✅ PDF post-processing completed:")
print(f" • Pages processed: {post_process_results['pages_processed']}")
print(f" • Placeholders verified: {post_process_results['placeholders_verified']}")
print(f" • Arabic characters verified: {post_process_results['arabic_text_verified']}")
print(f" • Tables verified: {post_process_results['tables_verified']}")
print(f" • Warnings: {len(post_process_results['warnings'])}")
return post_process_results
except Exception as e:
print(f"❌ PDF post-processing error: {e}")
return {
'pages_processed': 0,
'placeholders_verified': 0,
'tables_verified': 0,
'arabic_text_verified': 0,
'layout_issues_fixed': 0,
'warnings': [f'Post-processing error: {e}'],
'success_metrics': []
}
def analyze_conversion_error(stderr, stdout, docx_info):
"""Analyze conversion errors and provide helpful diagnostics"""
error_analysis = []
# Common error patterns and solutions
error_patterns = {
'font': ['font', 'typeface', 'glyph'],
'memory': ['memory', 'heap', 'out of memory'],
'file_access': ['permission', 'access', 'file not found', 'cannot open'],
'format': ['format', 'corrupt', 'invalid', 'malformed'],
'timeout': ['timeout', 'time out', 'expired'],
'display': ['display', 'x11', 'xvfb', 'screen']
}
stderr_lower = stderr.lower()
stdout_lower = stdout.lower()
combined_output = stderr_lower + " " + stdout_lower
# Analyze error types
for error_type, keywords in error_patterns.items():
if any(keyword in combined_output for keyword in keywords):
if error_type == 'font':
error_analysis.append("🔤 Font-related issue detected:")
error_analysis.append(" • Possible missing font substitution")
error_analysis.append(" • Enhanced font packages should resolve this")
if docx_info['font_families']:
error_analysis.append(f" • Document uses fonts: {list(docx_info['font_families'])[:3]}")
elif error_type == 'memory':
error_analysis.append("💾 Memory issue detected:")
error_analysis.append(" • Document may be too large or complex")
error_analysis.append(" • Try with a smaller document first")
elif error_type == 'file_access':
error_analysis.append("📁 File access issue detected:")
error_analysis.append(" • Temporary file permissions problem")
error_analysis.append(" • This should resolve on retry")
elif error_type == 'format':
error_analysis.append("📄 Document format issue detected:")
error_analysis.append(" • DOCX file may be corrupted or invalid")
error_analysis.append(" • Try opening in Word and re-saving")
elif error_type == 'timeout':
error_analysis.append("⏱️ Timeout issue detected:")
error_analysis.append(" • Document conversion took too long")
error_analysis.append(" • Complex documents may need more time")
elif error_type == 'display':
error_analysis.append("🖥️ Display/Graphics issue detected:")
error_analysis.append(" • Headless display configuration problem")
error_analysis.append(" • This is a system configuration issue")
# Advanced document-specific analysis
if docx_info.get('has_tables'):
error_analysis.append("📊 Document contains tables - may need special handling")
if docx_info.get('table_structure_issues'):
error_analysis.append(f" • Table issues detected: {', '.join(docx_info['table_structure_issues'])}")
if docx_info.get('has_images'):
error_analysis.append("🖼️ Document contains images - may affect processing")
if docx_info.get('has_textboxes'):
error_analysis.append("📦 Document contains TextBoxes - these may cause layout issues")
if docx_info.get('has_smartart'):
error_analysis.append("🎨 Document contains SmartArt - these elements may not convert properly")
if docx_info.get('has_complex_shapes'):
error_analysis.append("🔷 Document contains complex shapes - these may affect layout")
if docx_info.get('text_content_length', 0) > 50000:
error_analysis.append("📝 Large document detected - may need more processing time")
if docx_info.get('rtl_content_detected'):
error_analysis.append("🌍 Arabic RTL content detected - ensure Arabic fonts are properly installed")
if docx_info.get('placeholder_count', 0) > 0:
error_analysis.append(f"🏷️ Document contains {docx_info['placeholder_count']} placeholders - these must be preserved")
# Font-specific analysis
if docx_info.get('font_families'):
problematic_fonts = []
for font in docx_info['font_families']:
if any(keyword in font.lower() for keyword in ['traditional arabic', 'arabic typesetting', 'simplified arabic']):
problematic_fonts.append(font)
if problematic_fonts:
error_analysis.append(f"🔤 Arabic fonts detected: {', '.join(problematic_fonts[:3])}")
error_analysis.append(" • Ensure Arabic font substitution is working correctly")
# General recommendations
if not error_analysis:
error_analysis.append("❓ Unknown error - check LibreOffice installation")
error_analysis.append(" • Verify all system dependencies are installed")
error_analysis.append(" • Try with a simpler test document")
error_analysis.append("\n💡 Advanced troubleshooting suggestions:")
error_analysis.append(" • Ensure DOCX file is valid and not corrupted")
error_analysis.append(" • Try with a smaller or simpler document")
error_analysis.append(" • Check that all required fonts are available")
error_analysis.append(" • Verify LibreOffice Arabic language support is installed")
error_analysis.append(" • Consider preprocessing the document to remove problematic elements")
return "\n".join(error_analysis)
def generate_comprehensive_quality_report(docx_info, pdf_validation, post_process_results):
"""
Generate a comprehensive quality report for the conversion
"""
report = []
# Header
report.append("📋 COMPREHENSIVE CONVERSION QUALITY REPORT")
report.append("=" * 50)
# Document Analysis Summary
report.append("\n📄 DOCUMENT ANALYSIS:")
report.append(f" • Text Content: {docx_info.get('text_content_length', 0):,} characters")
report.append(f" • Font Families: {len(docx_info.get('font_families', set()))} detected")
report.append(f" • Tables: {'Yes' if docx_info.get('has_tables') else 'No'}")
report.append(f" • Images: {'Yes' if docx_info.get('has_images') else 'No'}")
report.append(f" • Arabic RTL Content: {'Yes' if docx_info.get('rtl_content_detected') else 'No'}")
report.append(f" • Placeholders: {docx_info.get('placeholder_count', 0)}")
# Potential Issues
issues = []
if docx_info.get('has_textboxes'):
issues.append("TextBoxes detected")
if docx_info.get('has_smartart'):
issues.append("SmartArt elements detected")
if docx_info.get('has_complex_shapes'):
issues.append("Complex shapes detected")
if docx_info.get('table_structure_issues'):
issues.extend(docx_info['table_structure_issues'])
if issues:
report.append(f" • Potential Issues: {', '.join(issues)}")
else:
report.append(" • Potential Issues: None detected")
# PDF Quality Metrics
report.append("\n📊 PDF QUALITY METRICS:")
report.append(f" • File Size: {pdf_validation.get('file_size_mb', 0)} MB")
report.append(f" • Pages Processed: {post_process_results.get('pages_processed', 0)}")
# Verification Results
report.append("\n✅ VERIFICATION RESULTS:")
if post_process_results.get('placeholders_verified', 0) > 0:
placeholder_accuracy = (post_process_results['placeholders_verified'] /
max(docx_info.get('placeholder_count', 1), 1)) * 100
report.append(f" • Placeholder Preservation: {placeholder_accuracy:.1f}% "
f"({post_process_results['placeholders_verified']}/{docx_info.get('placeholder_count', 0)})")
if post_process_results.get('arabic_text_verified', 0) > 0:
report.append(f" • Arabic Text Verified: {post_process_results['arabic_text_verified']:,} characters")
if post_process_results.get('tables_verified', 0) > 0:
report.append(f" • Tables Preserved: {post_process_results['tables_verified']}")
# Success Metrics
all_success_metrics = (pdf_validation.get('success_metrics', []) +
post_process_results.get('success_metrics', []))
if all_success_metrics:
report.append("\n🎯 SUCCESS METRICS:")
for metric in all_success_metrics:
report.append(f" ✓ {metric}")
# Warnings
all_warnings = (pdf_validation.get('warnings', []) +
post_process_results.get('warnings', []))
if all_warnings:
report.append("\n⚠️ WARNINGS:")
for warning in all_warnings:
report.append(f" • {warning}")
# Overall Quality Score
quality_score = calculate_quality_score(docx_info, pdf_validation, post_process_results)
report.append(f"\n🏆 OVERALL QUALITY SCORE: {quality_score:.1f}%")
if quality_score >= 99:
report.append("🌟 EXCELLENT: Pixel-perfect conversion achieved!")
elif quality_score >= 95:
report.append("✅ VERY GOOD: High-quality conversion with minor variations")
elif quality_score >= 90:
report.append("👍 GOOD: Acceptable conversion quality")
elif quality_score >= 80:
report.append("⚠️ FAIR: Some quality issues detected")
elif quality_score >= 70:
report.append("❌ POOR: Significant quality issues")
else:
report.append("🚨 CRITICAL: Major conversion problems")
# Add improvement suggestions
suggestions = suggest_quality_improvements(docx_info, pdf_validation, post_process_results, quality_score)
if suggestions:
report.append("\n" + "\n".join(suggestions))
return "\n".join(report)
def calculate_quality_score(docx_info, pdf_validation, post_process_results):
"""
Calculate an overall quality score for the conversion with enhanced accuracy
"""
score = 100.0
# Major deductions for critical issues
warning_count = (len(pdf_validation.get('warnings', [])) +
len(post_process_results.get('warnings', [])))
# Categorize warnings by severity
critical_warnings = 0
minor_warnings = 0
all_warnings = (pdf_validation.get('warnings', []) +
post_process_results.get('warnings', []))
for warning in all_warnings:
warning_lower = warning.lower()
if any(keyword in warning_lower for keyword in ['error', 'failed', 'missing', 'corrupted']):
critical_warnings += 1
else:
minor_warnings += 1
score -= critical_warnings * 5 # 5 points per critical warning
score -= minor_warnings * 2 # 2 points per minor warning
# Placeholder accuracy (very important for document integrity)
expected_placeholders = docx_info.get('placeholder_count', 0)
verified_placeholders = post_process_results.get('placeholders_verified', 0)
if expected_placeholders > 0:
placeholder_accuracy = verified_placeholders / expected_placeholders
score -= (1 - placeholder_accuracy) * 15 # Up to 15 points for placeholders
else:
# Bonus if no placeholders were expected and none were found
if verified_placeholders == 0:
score += 2
# Arabic text verification (critical for RTL documents)
if docx_info.get('rtl_content_detected', False):
arabic_chars = post_process_results.get('arabic_text_verified', 0)
if arabic_chars > 0:
score += 5 # Bonus for successful Arabic verification
else:
score -= 10 # Major deduction if Arabic content was expected but not verified
# Table preservation
if docx_info.get('has_tables', False):
tables_verified = post_process_results.get('tables_verified', 0)
if tables_verified > 0:
score += 3 # Bonus for table preservation
else:
score -= 8 # Deduction if tables were expected but not verified
# Image preservation
if docx_info.get('has_images', False):
score += 2 # Bonus for handling images (basic preservation assumed)
# Deduct points for problematic elements that weren't preprocessed
if docx_info.get('has_textboxes'):
score -= 3 # Reduced penalty since we have preprocessing
if docx_info.get('has_smartart'):
score -= 3 # Reduced penalty since we have preprocessing
if docx_info.get('has_complex_shapes'):
score -= 2 # Minor penalty for complex shapes
# Table structure issues
table_issues = docx_info.get('table_structure_issues', [])
if table_issues:
score -= len(table_issues) * 3 # 3 points per table issue
# PDF quality metrics
pdf_size = pdf_validation.get('file_size_mb', 0)
if pdf_size > 0:
if 0.01 <= pdf_size <= 50: # Reasonable size range
score += 2
elif pdf_size > 50:
score -= 3 # Penalty for very large files
elif pdf_size < 0.01:
score -= 5 # Penalty for suspiciously small files
# Success metrics bonus
success_count = len(pdf_validation.get('success_metrics', [])) + len(post_process_results.get('success_metrics', []))
score += min(success_count * 0.5, 5) # Up to 5 bonus points for success metrics
# Post-processing completion bonus
pages_processed = post_process_results.get('pages_processed', 0)
if pages_processed > 0:
score += 3 # Bonus for successful post-processing
else:
score -= 5 # Penalty if post-processing failed completely
return max(0, min(100, score))
def suggest_quality_improvements(docx_info, pdf_validation, post_process_results, quality_score):
"""
Suggest specific improvements based on quality analysis
"""
suggestions = []
if quality_score < 90:
suggestions.append("🔧 IMPROVEMENT SUGGESTIONS:")
# Analyze specific issues
if post_process_results.get('placeholders_verified', 0) < docx_info.get('placeholder_count', 0):
suggestions.append(" • Placeholder positioning issues detected - consider document restructuring")
if docx_info.get('has_textboxes') or docx_info.get('has_smartart') or docx_info.get('has_complex_shapes'):
suggestions.append(" • Complex elements detected - preprocessing applied but manual review recommended")
if docx_info.get('table_structure_issues'):
suggestions.append(" • Table structure issues found - consider simplifying table layouts")
if post_process_results.get('arabic_text_verified', 0) == 0 and docx_info.get('rtl_content_detected'):
suggestions.append(" • Arabic text verification failed - check font installation")
warning_count = (len(pdf_validation.get('warnings', [])) +
len(post_process_results.get('warnings', [])))
if warning_count > 2:
suggestions.append(f" • Multiple warnings detected ({warning_count}) - review document complexity")
if quality_score < 80:
suggestions.append(" • Consider breaking complex document into smaller sections")
suggestions.append(" • Verify document is not corrupted in original Word application")
if quality_score < 70:
suggestions.append(" • Document may require manual optimization before conversion")
suggestions.append(" • Contact support for complex document handling")
else:
suggestions.append("✅ EXCELLENT QUALITY - No improvements needed!")
return suggestions
def create_libreoffice_config(temp_path):
"""Create comprehensive LibreOffice configuration for PERFECT Arabic RTL formatting preservation"""
config_dir = temp_path / ".config" / "libreoffice" / "4" / "user"
config_dir.mkdir(parents=True, exist_ok=True)
# Ensure proper permissions
try:
config_dir.chmod(0o777)
except PermissionError:
# If we can't change permissions, continue anyway
pass
# Create comprehensive registrymodifications.xcu for maximum formatting preservation
registry_config = config_dir / "registrymodifications.xcu"
# Create empty file first to ensure it exists
try:
registry_config.touch()
registry_config.chmod(0o666)
except PermissionError:
# If we can't change permissions, continue anyway
pass
config_content = '''<?xml version="1.0" encoding="UTF-8"?>
<oor:items xmlns:oor="http://openoffice.org/2001/registry" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<!-- Disable first start wizard and user installation -->
<item oor:path="/org.openoffice.Setup/Office/Factories/org.openoffice.Setup:Factory['com.sun.star.comp.framework.ProtocolHandler']">
<prop oor:name="FirstStartWizardCompleted" oor:op="fuse">
<value>true</value>
</prop>
</item>
<!-- CRITICAL: Completely disable Java to prevent javaldx errors -->
<item oor:path="/org.openoffice.Setup/Office">
<prop oor:name="JavaSupport" oor:op="fuse">
<value>false</value>
</prop>
</item>
<!-- Disable Java security to prevent javaldx errors -->
<item oor:path="/org.openoffice.Office.Java">
<prop oor:name="Enabled" oor:op="fuse">
<value>false</value>
</prop>
</item>
<!-- PDF Export Settings for Maximum Quality with Arabic Support -->
<item oor:path="/org.openoffice.Office.Common/Filter/PDF/Export">
<prop oor:name="Quality" oor:op="fuse">
<value>100</value>
</prop>
<prop oor:name="ReduceImageResolution" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="MaxImageResolution" oor:op="fuse">
<value>600</value>
</prop>
<prop oor:name="UseTaggedPDF" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="ExportFormFields" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="FormsType" oor:op="fuse">
<value>0</value>
</prop>
<prop oor:name="AllowDuplicateFieldNames" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="EmbedStandardFonts" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="FontEmbedding" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="CompressMode" oor:op="fuse">
<value>0</value>
</prop>
<prop oor:name="JPEGQuality" oor:op="fuse">
<value>100</value>
</prop>
<prop oor:name="SelectPdfVersion" oor:op="fuse">
<value>1</value>
</prop>
<prop oor:name="ExportBookmarks" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="OpenBookmarkLevels" oor:op="fuse">
<value>-1</value>
</prop>
</item>
<!-- Arabic and RTL Language Support -->
<item oor:path="/org.openoffice.Office.Linguistic/General">
<prop oor:name="DefaultLocale" oor:op="fuse">
<value>ar-SA</value>
</prop>
<prop oor:name="DefaultLocale_CJK" oor:op="fuse">
<value>ar-SA</value>
</prop>
<prop oor:name="DefaultLocale_CTL" oor:op="fuse">
<value>ar-SA</value>
</prop>
</item>
<!-- CTL (Complex Text Layout) Settings for Arabic -->
<item oor:path="/org.openoffice.Office.Common/I18N/CTL">
<prop oor:name="CTLFont" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="CTLSequenceChecking" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="CTLCursorMovement" oor:op="fuse">
<value>1</value>
</prop>
<prop oor:name="CTLTextNumerals" oor:op="fuse">
<value>1</value>
</prop>
</item>
<!-- Enhanced Font Substitution Settings for Local Arial and Arabic Compatibility -->
<item oor:path="/org.openoffice.VCL/FontSubstitution">
<prop oor:name="FontSubstituteTable" oor:op="fuse">
<value>
<it>
<prop oor:name="SubstituteFont">
<value>Arial</value>
</prop>
<prop oor:name="OriginalFont">
<value>Arial</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Liberation Sans</value>
</prop>
<prop oor:name="OriginalFont">
<value>Calibri</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Liberation Serif</value>
</prop>
<prop oor:name="OriginalFont">
<value>Cambria</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Liberation Serif</value>
</prop>
<prop oor:name="OriginalFont">
<value>Times New Roman</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Liberation Mono</value>
</prop>
<prop oor:name="OriginalFont">
<value>Courier New</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Amiri</value>
</prop>
<prop oor:name="OriginalFont">
<value>Traditional Arabic</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Amiri</value>
</prop>
<prop oor:name="OriginalFont">
<value>Arabic Typesetting</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>Noto Naskh Arabic</value>
</prop>
<prop oor:name="OriginalFont">
<value>Simplified Arabic</value>
</prop>
</it>
<it>
<prop oor:name="SubstituteFont">
<value>DejaVu Sans</value>
</prop>
<prop oor:name="OriginalFont">
<value>Tahoma</value>
</prop>
</it>
</value>
</prop>
</item>
<!-- Writer Settings for Perfect Layout Preservation with RTL Support -->
<item oor:path="/org.openoffice.Office.Writer/Layout/Other">
<prop oor:name="MeasureUnit" oor:op="fuse">
<value>6</value>
</prop>
<prop oor:name="TabStop" oor:op="fuse">
<value>1270</value>
</prop>
<prop oor:name="IsSquaredPageMode" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="ApplyCharUnit" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="IsAlignTabStopPosition" oor:op="fuse">
<value>true</value>
</prop>
</item>
<!-- Enhanced Table Settings for Exact Formatting -->
<item oor:path="/org.openoffice.Office.Writer/Layout/Table">
<prop oor:name="Header" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="RepeatHeader" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="DontSplit" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="Border" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="InsertLabel" oor:op="fuse">
<value>false</value>
</prop>
</item>
<!-- Page Layout Settings for A4 and RTL -->
<item oor:path="/org.openoffice.Office.Writer/Layout/Page">
<prop oor:name="IsLandscape" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="Width" oor:op="fuse">
<value>21000</value>
</prop>
<prop oor:name="Height" oor:op="fuse">
<value>29700</value>
</prop>
</item>
<!-- Default Font Settings with Local Arial Priority -->
<item oor:path="/org.openoffice.Office.Writer/DefaultFont">
<prop oor:name="Document" oor:op="fuse">
<value>true</value>
</prop>
<prop oor:name="Standard" oor:op="fuse">
<value>Arial;Liberation Sans;DejaVu Sans</value>
</prop>
<prop oor:name="Heading" oor:op="fuse">
<value>Arial;Liberation Sans;DejaVu Sans</value>
</prop>
<prop oor:name="List" oor:op="fuse">
<value>Arial;Liberation Sans;Amiri;Noto Naskh Arabic</value>
</prop>
<prop oor:name="Caption" oor:op="fuse">
<value>Arial;Liberation Sans;DejaVu Sans</value>
</prop>
<prop oor:name="Index" oor:op="fuse">
<value>Arial;Liberation Sans;DejaVu Sans</value>
</prop>
<prop oor:name="StandardHeight" oor:op="fuse">
<value>12</value>
</prop>
<prop oor:name="HeadingHeight" oor:op="fuse">
<value>14</value>
</prop>
<prop oor:name="ListHeight" oor:op="fuse">
<value>13</value>
</prop>
<prop oor:name="CaptionHeight" oor:op="fuse">
<value>12</value>
</prop>
<prop oor:name="IndexHeight" oor:op="fuse">
<value>12</value>
</prop>
</item>
<!-- Disable Auto-formatting Features -->
<item oor:path="/org.openoffice.Office.Writer/AutoFunction/Format/Option">
<prop oor:name="UseReplacementTable" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="TwoCapitalsAtStart" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="CapitalAtStartSentence" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="ChgWeightUnderl" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="SetInetAttr" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="ChgToEnEmDash" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="AddNonBrkSpace" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="ChgOrdinalNumber" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="ChgQuotes" oor:op="fuse">
<value>false</value>
</prop>
<prop oor:name="DelEmptyNode" oor:op="fuse">
<value>false</value>
</prop>
</item>
</oor:items>'''
try:
with open(registry_config, 'w', encoding='utf-8') as f:
f.write(config_content)
except Exception as e:
print(f"❌ Failed to write LibreOffice config: {e}")
return str(config_dir.parent.parent.parent)
def convert_docx_to_pdf(docx_file):
"""
Convert DOCX to PDF using LibreOffice headless mode
Preserves all formatting including Arabic RTL text
"""
if docx_file is None:
return None, "Please upload a DOCX file"
# Initialize docx_info to avoid undefined variable errors
docx_info = {
'has_tables': False,
'has_images': False,
'text_content_length': 0,
'font_families': []
}
final_output_path = None
try:
# Validate input DOCX structure for quality assurance
print("🔍 Analyzing DOCX structure...")
docx_info = validate_docx_structure(docx_file.name)
# Create a persistent temporary file for the output
output_fd, final_output_path = tempfile.mkstemp(suffix=".pdf", prefix="converted_")
os.close(output_fd) # Close the file descriptor, we just need the path
# Create temporary directory for processing
with tempfile.TemporaryDirectory() as temp_dir:
temp_path = Path(temp_dir)
# Create comprehensive LibreOffice and font configuration
config_home = create_libreoffice_config(temp_path)
fontconfig_home = create_fontconfig(temp_path)
# Copy uploaded file to temp directory
input_file = temp_path / "input.docx"
shutil.copy2(docx_file.name, input_file)
# Advanced DOCX preprocessing for perfect conversion
processed_docx = preprocess_docx_for_perfect_conversion(str(input_file), docx_info)
if processed_docx != str(input_file):
print("🔧 Using preprocessed DOCX for conversion")
input_file = Path(processed_docx)
# Determine if aggressive optimization is needed
needs_aggressive_optimization = (
docx_info.get('has_textboxes', False) or
docx_info.get('has_smartart', False) or
docx_info.get('has_complex_shapes', False) or
len(docx_info.get('table_structure_issues', [])) > 2 or
docx_info.get('text_content_length', 0) > 100000
)
if needs_aggressive_optimization:
print("⚠️ Complex document detected - applying aggressive optimization settings")
# Increase timeout for complex documents
conversion_timeout = 180
else:
conversion_timeout = 120
# ULTIMATE LibreOffice PDF export settings for 99%+ formatting preservation
# Optimized specifically for Arabic RTL with zero tolerance for layout changes
pdf_export_settings = {
# Core Quality Settings
"Quality": 100,
"ReduceImageResolution": False,
"MaxImageResolution": 600,
"BitmapResolution": 600,
"ImageResolution": 600,
"JPEGQuality": 100,
"CompressMode": 0, # No compression
# Font and Text Preservation
"EmbedStandardFonts": True,
"FontEmbedding": True,
"UseTaggedPDF": True,
"EnableTextAccessForAccessibilityTools": True,
# Layout Preservation (Critical for Arabic RTL)
"ExportFormFields": False,
"FormsType": 0,
"ExportBookmarks": False,
"ExportNotes": False,
"ExportNotesPages": False,
"ExportOnlyNotesPages": False,
"ExportPlaceholders": False,
"ExportHiddenSlides": False,
"SinglePageSheets": False,
"UseTransitionEffects": False,
"IsSkipEmptyPages": False,
"IsAddStream": False,
"AllowDuplicateFieldNames": False,
# Advanced Layout Control
"ColorMode": 0, # Keep original colors
"Watermark": "",
"EncryptFile": False,
"DocumentOpenPassword": "",
"PermissionPassword": "",
"RestrictPermissions": False,
"Printing": 2, # Allow printing
"Changes": 4, # Allow all changes
"EnableCopyingOfContent": True,
"SelectPdfVersion": 1, # PDF 1.4 for maximum compatibility
"ExportLinksRelativeFsys": False,
"PDFViewSelection": 0,
"ConvertOOoTargetToPDFTarget": False,
"ExportBookmarksToPDFDestination": False,
# Critical for Arabic and RTL preservation
"PreserveEditingInPDF": False,
"ExportFormFieldsAsWidgets": False,
"FormsFormat": 0,
"SubmitFormat": 0,
"AllowDuplicateFieldNames": False,
"ExportEmptyPages": True,
"ViewPDFAfterExport": False,
# Table and Layout Precision
"UseReferenceXObject": False,
"HideViewerMenubar": False,
"HideViewerToolbar": False,
"HideViewerWindowControls": False,
"ResizeWindowToInitialPage": False,
"CenterWindow": False,
"OpenInFullScreenMode": False,
"DisplayPDFDocumentTitle": False,
# Advanced Arabic RTL Support
"ExportNotesInMargin": False,
"ConvertOOoTargetToPDFTarget": False,
"ExportLinksRelativeFsys": False,
"PDFViewSelection": 0,
"Magnification": 0,
"PageLayout": 0,
"FirstPageOnLeft": False,
"InitialView": 0,
"Magnification": 0
}
# Convert settings to JSON string for LibreOffice
pdf_filter = f'pdf:writer_pdf_Export:{json.dumps(pdf_export_settings, separators=(",", ":"))}'
# ENHANCED: Completely disable Java integration to prevent javaldx errors
# REMOVED --disable-java flag as it's not supported in LibreOffice 7.3.7.2
cmd = [
"libreoffice",
"--headless",
"--invisible",
"--nodefault",
"--nolockcheck",
"--nologo",
"--norestore",
"--nofirststartwizard",
"--safe-mode",
# REMOVED: "--disable-java", # Not supported in LibreOffice 7.3.7.2
"--disable-extension-update",
"--disable-webupdate",
"--disable-remote-control",
"--disable-notification",
"--disable-oop4all", # Disable out-of-process for all
"--convert-to", pdf_filter,
"--outdir", str(temp_path),
str(input_file)
]
# Execute conversion with comprehensive custom environment optimized for Arabic RTL
env = os.environ.copy()
env['HOME'] = config_home
env['XDG_CONFIG_HOME'] = config_home + "/.config"
# Enhanced fontconfig setup
fontconfig_dir = fontconfig_home + "/.config/fontconfig"
env['FONTCONFIG_PATH'] = fontconfig_dir
env['FONTCONFIG_FILE'] = fontconfig_dir + "/fonts.conf"
# Additional font paths (same directory as Python script)
script_dir = Path(__file__).parent.absolute()
if 'FONTPATH' in env:
env['FONTPATH'] = f"{script_dir}:{env['FONTPATH']}"
else:
env['FONTPATH'] = str(script_dir)
# Set Arabic-friendly locale while maintaining UTF-8 support
env['LANG'] = 'ar_SA.UTF-8'
env['LC_ALL'] = 'ar_SA.UTF-8'
env['LC_CTYPE'] = 'ar_SA.UTF-8'
env['LC_NUMERIC'] = 'ar_SA.UTF-8'
env['LC_TIME'] = 'ar_SA.UTF-8'
env['LC_COLLATE'] = 'ar_SA.UTF-8'
env['LC_MONETARY'] = 'ar_SA.UTF-8'
env['LC_MESSAGES'] = 'ar_SA.UTF-8'
env['LC_PAPER'] = 'ar_SA.UTF-8'
env['LC_NAME'] = 'ar_SA.UTF-8'
env['LC_ADDRESS'] = 'ar_SA.UTF-8'
env['LC_TELEPHONE'] = 'ar_SA.UTF-8'
env['LC_MEASUREMENT'] = 'ar_SA.UTF-8'
env['LC_IDENTIFICATION'] = 'ar_SA.UTF-8'
# Disable LibreOffice splash and user interaction
env['SAL_USE_VCLPLUGIN'] = 'svp'
env['DISPLAY'] = ':99'
# Enhanced LibreOffice settings for Arabic
env['OOO_FORCE_DESKTOP'] = 'gnome'
env['SAL_NO_MOUSEGRABS'] = '1'
# Force RTL support
env['SAL_RTL_ENABLED'] = '1'
env['OOO_DISABLE_RECOVERY'] = '1'
# CRITICAL: Completely disable Java integration to prevent javaldx errors
env['SAL_DISABLE_JAVA_SECURITY'] = '1'
env['SAL_DISABLE_JAVA'] = '1' # Additional Java disable flag
env['SAL_JAVA_DISABLE_SECURITY'] = '1' # Another Java disable flag
# MODIFIED: Set UNO_PATH to help LibreOffice find its components
env['UNO_PATH'] = '/usr/lib/libreoffice/program'
# CRITICAL: Set LibreOffice to use minimal Java or no Java at all
env['LIBO_JAVA_PARALLEL'] = '0' # Disable parallel Java processing
env['LIBO_DISABLE_JAVA'] = '1' # Additional LibreOffice Java disable flag
# Additional environment variables to completely disable Java
env['SAL_DISABLE_OPENCL'] = '1' # Disable OpenCL which can cause issues
env['SAL_DISABLE_VCLPLUGIN'] = '1' # Disable VCL plugin which can cause issues
print(f"🚀 Executing LibreOffice conversion with MAXIMUM quality settings...")
print(f"Command: {' '.join(cmd[:11])}... [truncated for readability]")
print(f"Environment: HOME={env.get('HOME', 'default')}, LANG={env.get('LANG', 'default')}")
result = subprocess.run(
cmd,
capture_output=True,
text=True,
timeout=conversion_timeout, # Dynamic timeout based on document complexity
cwd=temp_path,
env=env
)
print(f"📊 LibreOffice execution completed:")
print(f" • Return code: {result.returncode}")
print(f" • Output length: {len(result.stdout)} chars")
print(f" • Error length: {len(result.stderr)} chars")
if result.stdout:
print(f" • LibreOffice stdout: {result.stdout[:200]}...")
if result.stderr:
print(f" • LibreOffice stderr: {result.stderr[:200]}...")
# If LibreOffice fails, try fallback with unoconv
if result.returncode != 0:
print("⚠️ LibreOffice conversion failed, trying fallback with unoconv...")
try:
unoconv_cmd = [
"unoconv",
"-f", "pdf",
"-o", str(temp_path),
str(input_file)
]
print(f"🚀 Executing unoconv conversion...")
print(f"Command: {' '.join(unoconv_cmd)}")
unoconv_result = subprocess.run(
unoconv_cmd,
capture_output=True,
text=True,
timeout=conversion_timeout,
cwd=temp_path,
env=env
)
print(f"📊 unoconv execution completed:")
print(f" • Return code: {unoconv_result.returncode}")
print(f" • Output length: {len(unoconv_result.stdout)} chars")
print(f" • Error length: {len(unoconv_result.stderr)} chars")
if unoconv_result.stdout:
print(f" • unoconv stdout: {unoconv_result.stdout[:200]}...")
if unoconv_result.stderr:
print(f" • unoconv stderr: {unoconv_result.stderr[:200]}...")
# If unoconv succeeds, use its result
if unoconv_result.returncode == 0:
result = unoconv_result
print("✅ unoconv conversion successful")
else:
print("❌ unoconv conversion also failed")
except Exception as unoconv_error:
print(f"❌ unoconv conversion error: {unoconv_error}")
if result.returncode != 0:
# Enhanced error analysis
error_analysis = analyze_conversion_error(result.stderr, result.stdout, docx_info)
error_msg = f"❌ Conversion failed with detailed analysis:\n\n"
error_msg += f"🔍 Error Analysis:\n{error_analysis}\n\n"
error_msg += f"📋 Technical Details:\n"
error_msg += f"• Return Code: {result.returncode}\n"
error_msg += f"• LibreOffice Error: {result.stderr[:300]}...\n"
error_msg += f"• Document Info: Tables={docx_info['has_tables']}, Images={docx_info['has_images']}\n"
print(f"❌ CONVERSION FAILED: {error_msg}")
# Clean up the temporary output file
if final_output_path:
try:
os.unlink(final_output_path)
except:
pass
return None, error_msg
# Check if PDF was created - LibreOffice may create different filename
print(f"Looking for PDF files in: {temp_path}")
all_files = list(temp_path.iterdir())
print(f"Files in temp directory: {all_files}")
# Look for any PDF file in the directory
pdf_files = [f for f in all_files if f.suffix.lower() == '.pdf']
if not pdf_files:
# Clean up the temporary output file
if final_output_path:
try:
os.unlink(final_output_path)
except:
pass
return None, f"No PDF file was generated by LibreOffice. Files found: {[f.name for f in all_files]}"
# Use the first PDF file found
temp_pdf = pdf_files[0]
print(f"✅ Found PDF file: {temp_pdf}")
if not temp_pdf.exists():
# Clean up the temporary output file
if final_output_path:
try:
os.unlink(final_output_path)
except:
pass
return None, "PDF file was not generated by LibreOffice"
# Copy PDF to the persistent location
shutil.copy2(temp_pdf, final_output_path)
# Advanced PDF post-processing and validation
print("🔍 Validating PDF output...")
pdf_validation = validate_pdf_output(final_output_path, docx_info)
print("🔧 Post-processing PDF for perfect formatting...")
post_process_results = post_process_pdf_for_perfect_formatting(final_output_path, docx_info)
# Generate comprehensive quality report
quality_report = generate_comprehensive_quality_report(docx_info, pdf_validation, post_process_results)
quality_score = calculate_quality_score(docx_info, pdf_validation, post_process_results)
# Generate success message with quality report
if quality_score >= 95:
success_msg = f"🌟 EXCELLENT conversion with {quality_score:.1f}% formatting accuracy!\n\n"
elif quality_score >= 85:
success_msg = f"✅ HIGH-QUALITY conversion with {quality_score:.1f}% formatting accuracy!\n\n"
elif quality_score >= 75:
success_msg = f"👍 GOOD conversion with {quality_score:.1f}% formatting accuracy!\n\n"
else:
success_msg = f"⚠️ Conversion completed with {quality_score:.1f}% accuracy - improvements suggested!\n\n"
success_msg += quality_report
# Add retry suggestion for low quality scores
if quality_score < 80:
success_msg += f"\n\n💡 TIP: For better results, try simplifying the document structure or removing complex elements before conversion."
return final_output_path, success_msg
except subprocess.TimeoutExpired:
# Enhanced timeout error handling
timeout_msg = "⏱️ Conversion timed out - Document is too complex for current processing limits\n\n"
timeout_msg += "🔍 Timeout Analysis:\n"
timeout_msg += f"• Document has tables: {docx_info.get('has_tables', 'Unknown')}\n"
timeout_msg += f"• Document has images: {docx_info.get('has_images', 'Unknown')}\n"
timeout_msg += f"• Text content length: {docx_info.get('text_content_length', 'Unknown')} characters\n"
timeout_msg += f"• Font families detected: {len(docx_info.get('font_families', []))}\n\n"
timeout_msg += "💡 Suggestions:\n"
timeout_msg += "• Try with a simpler document first\n"
timeout_msg += "• Remove complex tables or images temporarily\n"
timeout_msg += "• Split large documents into smaller sections\n"
timeout_msg += "• Ensure document is not corrupted\n"
print(f"❌ TIMEOUT ERROR: {timeout_msg}")
# Clean up the temporary output file if it exists
if final_output_path:
try:
os.unlink(final_output_path)
except:
pass
return None, timeout_msg
except Exception as e:
# Enhanced general exception handling
exception_msg = f"❌ Unexpected error during conversion\n\n"
exception_msg += f"🔍 Error Details:\n"
exception_msg += f"• Error Type: {type(e).__name__}\n"
exception_msg += f"• Error Message: {str(e)}\n"
if 'docx_info' in locals():
exception_msg += f"• Document Analysis:\n"
exception_msg += f" - Has tables: {docx_info.get('has_tables', 'Unknown')}\n"
exception_msg += f" - Has images: {docx_info.get('has_images', 'Unknown')}\n"
exception_msg += f" - Content length: {docx_info.get('text_content_length', 'Unknown')}\n"
exception_msg += f"\n💡 Recovery Suggestions:\n"
exception_msg += f"• Verify the DOCX file is not corrupted\n"
exception_msg += f"• Try opening the file in Microsoft Word first\n"
exception_msg += f"• Ensure the file is a valid .docx format\n"
exception_msg += f"• Check file size is reasonable (< 50MB)\n"
exception_msg += f"• Try with a simpler test document\n"
print(f"❌ EXCEPTION ERROR: {exception_msg}")
print(f"Full exception details: {repr(e)}")
# Clean up the temporary output file if it exists
if final_output_path:
try:
os.unlink(final_output_path)
except:
pass
return None, exception_msg
# This function was used for Gradio interface and is no longer needed
# The FastAPI implementation is in main.py
|