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comparison mercurial/revset.py @ 15116:d8501bcbb221

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revset: add default of 1 to limit and last functions
author Matt Mackall <mpm@selenic.com>
date Fri, 16 Sep 2011 22:57:47 -0500
parents a773119f30ba
children 0ab1c3a1f3b2
comparison
equal deleted inserted replaced
15115:c84b3f42d5ae 15116:d8501bcbb221
511 if kw in t.lower(): 511 if kw in t.lower():
512 l.append(r) 512 l.append(r)
513 return l 513 return l
514 514
515 def limit(repo, subset, x): 515 def limit(repo, subset, x):
516 """``limit(set, n)`` 516 """``limit(set, [n])``
517 First n members of set. 517 First n members of set, defaulting to 1.
518 """ 518 """
519 # i18n: "limit" is a keyword 519 # i18n: "limit" is a keyword
520 l = getargs(x, 2, 2, _("limit requires two arguments")) 520 l = getargs(x, 1, 2, _("limit requires one or two arguments"))
521 try: 521 try:
522 # i18n: "limit" is a keyword 522 lim = 1
523 lim = int(getstring(l[1], _("limit requires a number"))) 523 if len(l) == 2:
524 # i18n: "limit" is a keyword
525 lim = int(getstring(l[1], _("limit requires a number")))
524 except (TypeError, ValueError): 526 except (TypeError, ValueError):
525 # i18n: "limit" is a keyword 527 # i18n: "limit" is a keyword
526 raise error.ParseError(_("limit expects a number")) 528 raise error.ParseError(_("limit expects a number"))
527 ss = set(subset) 529 ss = set(subset)
528 os = getset(repo, range(len(repo)), l[0])[:lim] 530 os = getset(repo, range(len(repo)), l[0])[:lim]
529 return [r for r in os if r in ss] 531 return [r for r in os if r in ss]
530 532
531 def last(repo, subset, x): 533 def last(repo, subset, x):
532 """``last(set, n)`` 534 """``last(set, [n])``
533 Last n members of set. 535 Last n members of set, defaulting to 1.
534 """ 536 """
535 # i18n: "last" is a keyword 537 # i18n: "last" is a keyword
536 l = getargs(x, 2, 2, _("last requires two arguments")) 538 l = getargs(x, 1, 2, _("last requires one or two arguments"))
537 try: 539 try:
538 # i18n: "last" is a keyword 540 lim = 1
539 lim = int(getstring(l[1], _("last requires a number"))) 541 if len(l) == 2:
542 # i18n: "last" is a keyword
543 lim = int(getstring(l[1], _("last requires a number")))
540 except (TypeError, ValueError): 544 except (TypeError, ValueError):
541 # i18n: "last" is a keyword 545 # i18n: "last" is a keyword
542 raise error.ParseError(_("last expects a number")) 546 raise error.ParseError(_("last expects a number"))
543 ss = set(subset) 547 ss = set(subset)
544 os = getset(repo, range(len(repo)), l[0])[-lim:] 548 os = getset(repo, range(len(repo)), l[0])[-lim:]