312 | | def _download_db(): |
313 | | r""" |
314 | | Downloads the current version of the ISGCI db |
315 | | |
316 | | EXAMPLE:: |
317 | | |
318 | | sage: sage.graphs.isgci._download_db() # Not tested -- requires internet |
319 | | """ |
320 | | |
321 | | from sage.misc.misc import SAGE_TMP |
322 | | import urllib2 |
323 | | u = urllib2.urlopen('http://www.graphclasses.org/data.zip') |
324 | | localFile = open(SAGE_TMP+'isgci.zip', 'w') |
325 | | localFile.write(u.read()) |
326 | | localFile.close() |
327 | | import os, zipfile |
328 | | z = zipfile.ZipFile(SAGE_TMP+'isgci.zip') |
329 | | z.extract(_XML_FILE, SAGE_TMP) |
330 | | |
331 | | def _create_db(): |
332 | | r""" |
333 | | Parses the ISGCI database and returns its content as Python objects. |
334 | | |
335 | | EXAMPLE:: |
336 | | |
337 | | sage: sage.graphs.isgci._create_db() # Not tested -- requires internet |
338 | | """ |
339 | | from sage.misc.misc import SAGE_TMP |
340 | | import xml.dom.minidom |
341 | | from xml.dom.minidom import Node |
342 | | |
343 | | # This method is there to parse the XML file containing the ISGCI |
344 | | # database. It is admittedly not very pretty, but it builds the class we |
345 | | # want from the XML file and that's more or less all we ask it to do :-p |
346 | | |
347 | | doc = xml.dom.minidom.parse(SAGE_TMP+_XML_FILE) |
348 | | |
349 | | classes = {} |
350 | | |
351 | | giveme = lambda x,y : str(x.getAttribute(y)) |
352 | | |
353 | | for node in doc.getElementsByTagName("GraphClass"): |
354 | | ID = str(node.getAttribute("id")) |
355 | | Dl = {} |
356 | | smallgraph = [] |
357 | | Dl["ID"] = giveme(node, "id") |
358 | | problems = {} |
359 | | for node2 in node.childNodes: |
360 | | name = str(node2.nodeName) |
361 | | if name == "name": |
362 | | Dl[name] = str(node2.childNodes[0].nodeValue) |
363 | | |
364 | | elif name == "smallgraph": |
365 | | smallgraph.append(str(node2.childNodes[0].nodeValue)) |
366 | | |
367 | | elif name == "problem": |
368 | | problems[giveme(node2, "name")] = giveme(node2, "complexity") |
369 | | |
370 | | Dl["problems"] = problems |
371 | | |
372 | | if smallgraph: |
373 | | Dl["smallgraph"] = smallgraph |
374 | | |
375 | | if giveme(node, "type"): |
376 | | Dl["type"] = giveme(node, "type") |
377 | | |
378 | | |
379 | | classes[giveme(node, "id")] = Dl |
380 | | |
381 | | inclusions = [] |
382 | | for node in doc.getElementsByTagName("incl"): |
383 | | Dl = {} |
384 | | for name in ["proper", "confidence", "super", "sub"]: |
385 | | if giveme(node, name): |
386 | | Dl[name] = giveme(node, name) |
387 | | |
388 | | for node2 in node.childNodes: |
389 | | name = str(node2.nodeName) |
390 | | if name == "ref": |
391 | | Dl[name] = str(node2.childNodes[0].nodeValue) |
392 | | |
393 | | inclusions.append(Dl) |
394 | | |
395 | | return classes, inclusions |
396 | | |
397 | | def update_db(verbose = False): |
398 | | r""" |
399 | | Updates the ISGCI database by downloading the latest version from internet. |
400 | | |
401 | | This method downloads the ISGCI database from the website `GraphClasses.org |
402 | | <http://www.graphclasses.org/>`_. |
403 | | |
404 | | It then extracts the zip file and parses its XML content, which is |
405 | | stored as two ``.sobj`` files, the first one representing the |
406 | | graph classes, and the second representing their inclusions. |
407 | | |
408 | | Depending on the credentials of the user running Sage when this |
409 | | command is run, one attempt is made at saving the result in Sage's |
410 | | directory so that all users can benefit from it. If the |
411 | | credentials are not sufficient, the ``.sobj`` files are saved |
412 | | instead in the user's directory. #TODO: be more specific about where in the user's directory? |
413 | | |
414 | | INPUT: |
415 | | |
416 | | - ``verbose`` -- a boolean (default: False); whether to output |
417 | | information of the update process |
418 | | |
419 | | EXAMPLE:: |
420 | | |
421 | | sage: sage.graphs.isgci.update_db() # Not tested -- requires internet |
422 | | """ |
423 | | from sage.misc.misc import SAGE_TMP, SAGE_ROOT, SAGE_LOCAL, SAGE_DB |
424 | | global classes, inclusions, inclusion_digraph |
425 | | |
426 | | try: |
427 | | _download_db() |
428 | | except: |
429 | | # TODO: as such, the user won't get the, probably more |
430 | | # informative, error message thrown by download_db. What about |
431 | | # not catching it? Or at least retransmitting the error |
432 | | # message? |
433 | | raise Exception("There has been a problem while downloading or unzipping the ISGCI database O_o") |
434 | | |
435 | | |
436 | | if verbose: |
437 | | print "Database downloaded" |
438 | | |
439 | | classes, inclusions = _create_db() |
440 | | |
441 | | if verbose: |
442 | | print "XML file converted to Python dictionaries" |
443 | | |
444 | | |
445 | | from sage.all import save |
446 | | |
447 | | # Trying to save to Sage's directory |
448 | | try: |
449 | | save(classes, SAGE_ROOT+'/data/graphs/isgci_classes.sobj') |
450 | | save(inclusions, SAGE_ROOT+'/data/graphs/isgci_inclusions.sobj') |
451 | | inclusions = inclusion_digraph = None |
452 | | classes = {} |
453 | | if verbose: |
454 | | print "Database saved to .sobj files in "+SAGE_ROOT+'/data/graphs/' |
455 | | |
456 | | return |
457 | | except IOError: |
458 | | if verbose: |
459 | | # TODO: improve! |
460 | | print "Could not save save database in "+SAGE_ROOT+'/data/graphs/' |
461 | | pass |
462 | | |
463 | | # Trying to save to the user's home directory |
464 | | try: |
465 | | save(classes, SAGE_DB+"/isgci_classes.sobj") |
466 | | save(inclusions, SAGE_DB+"/isgci_inclusions.sobj") |
467 | | classes = inclusions = inclusion_digraph = None |
468 | | if verbose: |
469 | | print "Database saved to .sobj files in "+SAGE_DB |
470 | | |
471 | | return |
472 | | |
473 | | except IOError: |
474 | | pass |
475 | | |
476 | | # TODO: as above: don't hide the more informative error message |
477 | | # from the system |
478 | | |
479 | | # Gloops ! |
480 | | raise Exception("Sage is unable to write the files to your"+ |
481 | | "computer ! This shouldn't have happened. "+ |
482 | | "Could you report the bug ? ;-)") |
483 | | |
484 | | def get_ISGCI(): |
485 | | r""" |
486 | | Returns the contents of the ISGCI database. |
487 | | |
488 | | This method is mostly for internal use, but often provides useful |
489 | | information during debugging operations. |
490 | | |
491 | | OUTPUT: |
492 | | |
493 | | A pair ``(classes, inclusions)`` where ``classes`` is a dict of dict, and |
494 | | ``inclusions`` is a list of dicts. |
495 | | |
496 | | .. NOTE:: |
497 | | |
498 | | This method returns the data contained in the most recent ISGCI database |
499 | | present on the computer. See :func:`update_db` to update the latter. |
500 | | |
501 | | EXAMPLE:: |
502 | | |
503 | | sage: classes, inclusions = sage.graphs.isgci.get_ISGCI() |
504 | | """ |
505 | | |
506 | | import os.path |
507 | | from sage.all import save, load |
508 | | from sage.misc.misc import SAGE_TMP, SAGE_ROOT, SAGE_LOCAL, SAGE_DB |
509 | | |
510 | | # TODO: or systematically use the user's version if it exists, |
511 | | # throwing a warning if it is not the most recent? |
512 | | |
513 | | try: |
514 | | open(SAGE_DB+"/isgci_classes.sobj") |
515 | | |
516 | | # Which copy is the most recent on the disk ? |
517 | | if (os.path.getmtime(SAGE_DB+"/isgci_classes.sobj") > |
518 | | os.path.getmtime(SAGE_ROOT+"/data/graphs/isgci_classes.sobj")): |
519 | | |
520 | | classes = load(SAGE_DB+"/isgci_classes.sobj") |
521 | | inclusions = load(SAGE_DB+"/isgci_inclusions.sobj") |
522 | | |
523 | | else: |
524 | | classes = load(SAGE_ROOT+"/data/graphs/isgci_classes.sobj") |
525 | | inclusions = load(SAGE_ROOT+"/data/graphs/isgci_inclusions.sobj") |
526 | | |
527 | | except IOError as e: |
528 | | # No local version of the file exists |
529 | | classes = load(SAGE_ROOT+"/data/graphs/isgci_classes.sobj") |
530 | | inclusions = load(SAGE_ROOT+"/data/graphs/isgci_inclusions.sobj") |
531 | | |
532 | | return classes, inclusions |
533 | | |
534 | | def show_all(): |
535 | | r""" |
536 | | Prints all graph classes stored in ISGCI |
537 | | |
538 | | EXAMPLE:: |
539 | | |
540 | | sage: sage.graphs.isgci.show_all() |
541 | | ID | name | type | smallgraph |
542 | | ---------------------------------------------------------------------------------------------------------------------- |
543 | | gc_309 | $K_4$--minor--free | base | |
544 | | gc_541 | $N^*$ | base | |
545 | | gc_215 | $N^*$--perfect | base | |
546 | | gc_5 | $P_4$--bipartite | base | |
547 | | gc_3 | $P_4$--brittle | base | |
548 | | gc_6 | $P_4$--comparability | base | |
549 | | gc_7 | $P_4$--extendible | base | |
550 | | ... |
551 | | """ |
552 | | global classes |
553 | | _load_ISGCI_if_not_loaded() |
554 | | classes_list = classes.values() |
555 | | |
556 | | # We want to print the different fields, and this dictionary stores the |
557 | | # maximal number of characters of each field. |
558 | | MAX = { |
559 | | "ID" : 0, |
560 | | "type" : 0, |
561 | | "smallgraph": 0, |
562 | | "name": 0 |
563 | | } |
564 | | |
565 | | # We sort the classes alphabetically, though we would like to display the |
566 | | # meaningful classes at the top of the list |
567 | | classes_list.sort(key = lambda x:x.get("name","zzzzz")+"{0:4}".format(int(x["ID"].split('_')[1]))) |
568 | | |
569 | | # Maximum width of a field |
570 | | MAX_LEN = 40 |
571 | | |
572 | | # Computing te max of each field with the database |
573 | | for key in MAX: |
574 | | MAX[key] = len(max(map(lambda x:str(x.get(key,"")),classes_list), key = len)) |
575 | | |
576 | | # At most MAX characters per field |
577 | | for key, length in MAX.iteritems(): |
578 | | MAX[key] = min(length, MAX_LEN) |
579 | | |
580 | | # Head of the table |
581 | | print ("{0:"+str(MAX["ID"])+"} | {1:"+str(MAX["name"])+"} | {2:"+str(MAX["type"])+"} | {3:"+str(MAX["smallgraph"])+"}").format("ID", "name", "type", "smallgraph") |
582 | | print "-"*(sum(MAX.values())+9) |
583 | | |
584 | | # Entries |
585 | | for entry in classes_list: |
586 | | ID = entry.get("ID","") |
587 | | name = entry.get("name","") |
588 | | type = entry.get("type","") |
589 | | smallgraph = entry.get("smallgraph","") |
590 | | print ("{0:"+str(MAX["ID"])+"} | {1:"+str(MAX["name"])+"} | {2:"+str(MAX["type"])+"} | ").format(ID, name[:MAX_LEN], type[:MAX_LEN])+str(smallgraph)[:MAX_LEN] |
591 | | |
592 | | def _load_ISGCI_if_not_loaded(): |
593 | | r""" |
594 | | Load ISGI if not loaded already |
595 | | |
596 | | This is here to avoid having to load the db when Sage starts |
597 | | """ |
598 | | global classes, inclusions |
599 | | if classes == {}: |
600 | | classes, inclusions = get_ISGCI() |
601 | | |
602 | | def _build_inclusion_digraph_if_not_built(): |
603 | | r""" |
604 | | Builds the class digraph |
605 | | """ |
606 | | global classes, inclusions, inclusion_digraph |
607 | | |
608 | | if not (inclusion_digraph is None): |
609 | | return |
610 | | |
611 | | _load_ISGCI_if_not_loaded() |
612 | | |
613 | | from sage.graphs.digraph import DiGraph |
614 | | inclusion_digraph = DiGraph() |
615 | | inclusion_digraph.add_vertices(classes.keys()) |
616 | | |
617 | | for edge in inclusions: |
618 | | if edge.get("confidence","") == "unpublished": |
619 | | continue |
620 | | |
621 | | inclusion_digraph.add_edge(edge['super'], edge['sub']) |
622 | | |
623 | | inclusions = [] |
624 | | |
625 | | |
| 471 | def _download_db(): |
| 472 | r""" |
| 473 | Downloads the current version of the ISGCI db |
| 474 | |
| 475 | EXAMPLE:: |
| 476 | |
| 477 | sage: sage.graphs.isgci._download_db() # Not tested -- requires internet |
| 478 | """ |
| 479 | |
| 480 | from sage.misc.misc import SAGE_TMP |
| 481 | import urllib2 |
| 482 | u = urllib2.urlopen('http://www.graphclasses.org/data.zip') |
| 483 | localFile = open(SAGE_TMP+'isgci.zip', 'w') |
| 484 | localFile.write(u.read()) |
| 485 | localFile.close() |
| 486 | import os, zipfile |
| 487 | z = zipfile.ZipFile(SAGE_TMP+'isgci.zip') |
| 488 | z.extract(_XML_FILE, SAGE_TMP) |
| 489 | |
| 490 | def _create_db(): |
| 491 | r""" |
| 492 | Parses the ISGCI database and returns its content as Python objects. |
| 493 | |
| 494 | EXAMPLE:: |
| 495 | |
| 496 | sage: sage.graphs.isgci._create_db() # Not tested -- requires internet |
| 497 | """ |
| 498 | from sage.misc.misc import SAGE_TMP |
| 499 | import xml.dom.minidom |
| 500 | from xml.dom.minidom import Node |
| 501 | |
| 502 | # This method is there to parse the XML file containing the ISGCI |
| 503 | # database. It is admittedly not very pretty, but it builds the class we |
| 504 | # want from the XML file and that's more or less all we ask it to do :-p |
| 505 | |
| 506 | doc = xml.dom.minidom.parse(SAGE_TMP+_XML_FILE) |
| 507 | |
| 508 | classes = {} |
| 509 | |
| 510 | giveme = lambda x,y : str(x.getAttribute(y)) |
| 511 | |
| 512 | for node in doc.getElementsByTagName("GraphClass"): |
| 513 | ID = str(node.getAttribute("id")) |
| 514 | Dl = {} |
| 515 | smallgraph = [] |
| 516 | Dl["ID"] = giveme(node, "id") |
| 517 | problems = {} |
| 518 | for node2 in node.childNodes: |
| 519 | name = str(node2.nodeName) |
| 520 | if name == "name": |
| 521 | Dl[name] = str(node2.childNodes[0].nodeValue) |
| 522 | |
| 523 | elif name == "smallgraph": |
| 524 | smallgraph.append(str(node2.childNodes[0].nodeValue)) |
| 525 | |
| 526 | elif name == "problem": |
| 527 | problems[giveme(node2, "name")] = giveme(node2, "complexity") |
| 528 | |
| 529 | Dl["problems"] = problems |
| 530 | |
| 531 | if smallgraph: |
| 532 | Dl["smallgraph"] = smallgraph |
| 533 | |
| 534 | if giveme(node, "type"): |
| 535 | Dl["type"] = giveme(node, "type") |
| 536 | |
| 537 | |
| 538 | classes[giveme(node, "id")] = Dl |
| 539 | |
| 540 | inclusions = [] |
| 541 | for node in doc.getElementsByTagName("incl"): |
| 542 | Dl = {} |
| 543 | for name in ["proper", "confidence", "super", "sub"]: |
| 544 | if giveme(node, name): |
| 545 | Dl[name] = giveme(node, name) |
| 546 | |
| 547 | for node2 in node.childNodes: |
| 548 | name = str(node2.nodeName) |
| 549 | if name == "ref": |
| 550 | Dl[name] = str(node2.childNodes[0].nodeValue) |
| 551 | |
| 552 | inclusions.append(Dl) |
| 553 | |
| 554 | return classes, inclusions |
| 555 | |
| 556 | def update_db(verbose = False): |
| 557 | r""" |
| 558 | Updates the ISGCI database by downloading the latest version from internet. |
| 559 | |
| 560 | This method downloads the ISGCI database from the website `GraphClasses.org |
| 561 | <http://www.graphclasses.org/>`_. |
| 562 | |
| 563 | It then extracts the zip file and parses its XML content, which is |
| 564 | stored as two ``.sobj`` files, the first one representing the |
| 565 | graph classes, and the second representing their inclusions. |
| 566 | |
| 567 | Depending on the credentials of the user running Sage when this |
| 568 | command is run, one attempt is made at saving the result in Sage's |
| 569 | directory so that all users can benefit from it. If the |
| 570 | credentials are not sufficient, the ``.sobj`` files are saved |
| 571 | instead in the user's directory. #TODO: be more specific about where in the user's directory? |
| 572 | |
| 573 | INPUT: |
| 574 | |
| 575 | - ``verbose`` -- a boolean (default: False); whether to output |
| 576 | information of the update process |
| 577 | |
| 578 | EXAMPLE:: |
| 579 | |
| 580 | sage: sage.graphs.isgci.update_db() # Not tested -- requires internet |
| 581 | """ |
| 582 | from sage.misc.misc import SAGE_TMP, SAGE_ROOT, SAGE_LOCAL, SAGE_DB |
| 583 | global classes, inclusions, inclusion_digraph |
| 584 | |
| 585 | try: |
| 586 | _download_db() |
| 587 | except: |
| 588 | # TODO: as such, the user won't get the, probably more |
| 589 | # informative, error message thrown by download_db. What about |
| 590 | # not catching it? Or at least retransmitting the error |
| 591 | # message? |
| 592 | raise Exception("There has been a problem while downloading or unzipping the ISGCI database O_o") |
| 593 | |
| 594 | |
| 595 | if verbose: |
| 596 | print "Database downloaded" |
| 597 | |
| 598 | classes, inclusions = _create_db() |
| 599 | |
| 600 | if verbose: |
| 601 | print "XML file converted to Python dictionaries" |
| 602 | |
| 603 | |
| 604 | from sage.all import save |
| 605 | |
| 606 | # Trying to save to Sage's directory |
| 607 | try: |
| 608 | save(classes, SAGE_ROOT+'/data/graphs/isgci_classes.sobj') |
| 609 | save(inclusions, SAGE_ROOT+'/data/graphs/isgci_inclusions.sobj') |
| 610 | inclusions = inclusion_digraph = None |
| 611 | classes = {} |
| 612 | if verbose: |
| 613 | print "Database saved to .sobj files in "+SAGE_ROOT+'/data/graphs/' |
| 614 | |
| 615 | return |
| 616 | except IOError: |
| 617 | if verbose: |
| 618 | # TODO: improve! |
| 619 | print "Could not save save database in "+SAGE_ROOT+'/data/graphs/' |
| 620 | pass |
| 621 | |
| 622 | # Trying to save to the user's home directory |
| 623 | try: |
| 624 | save(classes, SAGE_DB+"/isgci_classes.sobj") |
| 625 | save(inclusions, SAGE_DB+"/isgci_inclusions.sobj") |
| 626 | classes = inclusions = inclusion_digraph = None |
| 627 | if verbose: |
| 628 | print "Database saved to .sobj files in "+SAGE_DB |
| 629 | |
| 630 | return |
| 631 | |
| 632 | except IOError: |
| 633 | pass |
| 634 | |
| 635 | # TODO: as above: don't hide the more informative error message |
| 636 | # from the system |
| 637 | |
| 638 | # Gloops ! |
| 639 | raise Exception("Sage is unable to write the files to your"+ |
| 640 | "computer ! This shouldn't have happened. "+ |
| 641 | "Could you report the bug ? ;-)") |
| 642 | |
| 643 | def get_ISGCI(): |
| 644 | r""" |
| 645 | Returns the contents of the ISGCI database. |
| 646 | |
| 647 | This method is mostly for internal use, but often provides useful |
| 648 | information during debugging operations. |
| 649 | |
| 650 | OUTPUT: |
| 651 | |
| 652 | A pair ``(classes, inclusions)`` where ``classes`` is a dict of dict, and |
| 653 | ``inclusions`` is a list of dicts. |
| 654 | |
| 655 | .. NOTE:: |
| 656 | |
| 657 | This method returns the data contained in the most recent ISGCI database |
| 658 | present on the computer. See :func:`update_db` to update the latter. |
| 659 | |
| 660 | EXAMPLE:: |
| 661 | |
| 662 | sage: classes, inclusions = sage.graphs.isgci.get_ISGCI() |
| 663 | """ |
| 664 | |
| 665 | import os.path |
| 666 | from sage.all import save, load |
| 667 | from sage.misc.misc import SAGE_TMP, SAGE_ROOT, SAGE_LOCAL, SAGE_DB |
| 668 | |
| 669 | # TODO: or systematically use the user's version if it exists, |
| 670 | # throwing a warning if it is not the most recent? |
| 671 | |
| 672 | try: |
| 673 | open(SAGE_DB+"/isgci_classes.sobj") |
| 674 | |
| 675 | # Which copy is the most recent on the disk ? |
| 676 | if (os.path.getmtime(SAGE_DB+"/isgci_classes.sobj") > |
| 677 | os.path.getmtime(SAGE_ROOT+"/data/graphs/isgci_classes.sobj")): |
| 678 | |
| 679 | classes = load(SAGE_DB+"/isgci_classes.sobj") |
| 680 | inclusions = load(SAGE_DB+"/isgci_inclusions.sobj") |
| 681 | |
| 682 | else: |
| 683 | classes = load(SAGE_ROOT+"/data/graphs/isgci_classes.sobj") |
| 684 | inclusions = load(SAGE_ROOT+"/data/graphs/isgci_inclusions.sobj") |
| 685 | |
| 686 | except IOError as e: |
| 687 | # No local version of the file exists |
| 688 | classes = load(SAGE_ROOT+"/data/graphs/isgci_classes.sobj") |
| 689 | inclusions = load(SAGE_ROOT+"/data/graphs/isgci_inclusions.sobj") |
| 690 | |
| 691 | return classes, inclusions |
| 692 | |
| 693 | def show_all(): |
| 694 | r""" |
| 695 | Prints all graph classes stored in ISGCI |
| 696 | |
| 697 | EXAMPLE:: |
| 698 | |
| 699 | sage: sage.graphs.isgci.show_all() |
| 700 | ID | name | type | smallgraph |
| 701 | ---------------------------------------------------------------------------------------------------------------------- |
| 702 | gc_309 | $K_4$--minor--free | base | |
| 703 | gc_541 | $N^*$ | base | |
| 704 | gc_215 | $N^*$--perfect | base | |
| 705 | gc_5 | $P_4$--bipartite | base | |
| 706 | gc_3 | $P_4$--brittle | base | |
| 707 | gc_6 | $P_4$--comparability | base | |
| 708 | gc_7 | $P_4$--extendible | base | |
| 709 | ... |
| 710 | """ |
| 711 | global classes |
| 712 | _load_ISGCI_if_not_loaded() |
| 713 | classes_list = classes.values() |
| 714 | |
| 715 | # We want to print the different fields, and this dictionary stores the |
| 716 | # maximal number of characters of each field. |
| 717 | MAX = { |
| 718 | "ID" : 0, |
| 719 | "type" : 0, |
| 720 | "smallgraph": 0, |
| 721 | "name": 0 |
| 722 | } |
| 723 | |
| 724 | # We sort the classes alphabetically, though we would like to display the |
| 725 | # meaningful classes at the top of the list |
| 726 | classes_list.sort(key = lambda x:x.get("name","zzzzz")+"{0:4}".format(int(x["ID"].split('_')[1]))) |
| 727 | |
| 728 | # Maximum width of a field |
| 729 | MAX_LEN = 40 |
| 730 | |
| 731 | # Computing te max of each field with the database |
| 732 | for key in MAX: |
| 733 | MAX[key] = len(max(map(lambda x:str(x.get(key,"")),classes_list), key = len)) |
| 734 | |
| 735 | # At most MAX characters per field |
| 736 | for key, length in MAX.iteritems(): |
| 737 | MAX[key] = min(length, MAX_LEN) |
| 738 | |
| 739 | # Head of the table |
| 740 | print ("{0:"+str(MAX["ID"])+"} | {1:"+str(MAX["name"])+"} | {2:"+str(MAX["type"])+"} | {3:"+str(MAX["smallgraph"])+"}").format("ID", "name", "type", "smallgraph") |
| 741 | print "-"*(sum(MAX.values())+9) |
| 742 | |
| 743 | # Entries |
| 744 | for entry in classes_list: |
| 745 | ID = entry.get("ID","") |
| 746 | name = entry.get("name","") |
| 747 | type = entry.get("type","") |
| 748 | smallgraph = entry.get("smallgraph","") |
| 749 | print ("{0:"+str(MAX["ID"])+"} | {1:"+str(MAX["name"])+"} | {2:"+str(MAX["type"])+"} | ").format(ID, name[:MAX_LEN], type[:MAX_LEN])+str(smallgraph)[:MAX_LEN] |
| 750 | |
| 751 | def _load_ISGCI_if_not_loaded(): |
| 752 | r""" |
| 753 | Load ISGI if not loaded already |
| 754 | |
| 755 | This is here to avoid having to load the db when Sage starts |
| 756 | """ |
| 757 | global classes, inclusions |
| 758 | if classes == {}: |
| 759 | classes, inclusions = get_ISGCI() |
| 760 | |
| 761 | def _build_inclusion_digraph_if_not_built(): |
| 762 | r""" |
| 763 | Builds the class digraph |
| 764 | """ |
| 765 | global classes, inclusions, inclusion_digraph |
| 766 | |
| 767 | if not (inclusion_digraph is None): |
| 768 | return |
| 769 | |
| 770 | _load_ISGCI_if_not_loaded() |
| 771 | |
| 772 | from sage.graphs.digraph import DiGraph |
| 773 | inclusion_digraph = DiGraph() |
| 774 | inclusion_digraph.add_vertices(classes.keys()) |
| 775 | |
| 776 | for edge in inclusions: |
| 777 | if edge.get("confidence","") == "unpublished": |
| 778 | continue |
| 779 | |
| 780 | inclusion_digraph.add_edge(edge['super'], edge['sub']) |
| 781 | |
| 782 | inclusions = [] |
| 783 | |
| 784 | |