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511 set_log_methods(registerer, getLogger('cubicweb.registration')) |
511 set_log_methods(registerer, getLogger('cubicweb.registration')) |
512 |
512 |
513 |
513 |
514 # advanced selector building functions ######################################## |
514 # advanced selector building functions ######################################## |
515 |
515 |
516 def chainall(*selectors): |
516 def chainall(*selectors, **kwargs): |
517 """return a selector chaining given selectors. If one of |
517 """return a selector chaining given selectors. If one of |
518 the selectors fail, selection will fail, else the returned score |
518 the selectors fail, selection will fail, else the returned score |
519 will be the sum of each selector'score |
519 will be the sum of each selector'score |
520 """ |
520 """ |
521 assert selectors |
521 assert selectors |
525 partscore = selector(cls, *args, **kwargs) |
525 partscore = selector(cls, *args, **kwargs) |
526 if not partscore: |
526 if not partscore: |
527 return 0 |
527 return 0 |
528 score += partscore |
528 score += partscore |
529 return score |
529 return score |
|
530 if 'name' in kwargs: |
|
531 selector.__name__ = kwargs['name'] |
530 return selector |
532 return selector |
531 |
533 |
532 def chainfirst(*selectors): |
534 def chainfirst(*selectors, **kwargs): |
533 """return a selector chaining given selectors. If all |
535 """return a selector chaining given selectors. If all |
534 the selectors fail, selection will fail, else the returned score |
536 the selectors fail, selection will fail, else the returned score |
535 will be the first non-zero selector score |
537 will be the first non-zero selector score |
536 """ |
538 """ |
537 assert selectors |
539 assert selectors |
539 for selector in selectors: |
541 for selector in selectors: |
540 partscore = selector(cls, *args, **kwargs) |
542 partscore = selector(cls, *args, **kwargs) |
541 if partscore: |
543 if partscore: |
542 return partscore |
544 return partscore |
543 return 0 |
545 return 0 |
|
546 if 'name' in kwargs: |
|
547 selector.__name__ = kwargs['name'] |
544 return selector |
548 return selector |
545 |
549 |
546 |
550 |
547 # selector base classes and operations ######################################## |
551 # selector base classes and operations ######################################## |
|
552 |
548 class Selector(object): |
553 class Selector(object): |
549 """base class for selector classes providing implementation |
554 """base class for selector classes providing implementation |
550 for operators ``&`` and ``|`` |
555 for operators ``&`` and ``|`` |
551 |
556 |
552 This class is only here to give access to binary operators, the |
557 This class is only here to give access to binary operators, the |