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comparison mercurial/revset.py @ 26637:179764469754

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revset: port limit() to support keyword arguments The next patch will introduce the third 'offset' argument. This allows us to specify 'offset' without 'n' argument.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 12 Oct 2015 17:19:22 +0900
parents ff6baf32b3ba
children 7afaf2566e25
comparison
equal deleted inserted replaced
26636:ff6baf32b3ba 26637:179764469754
1285 1285
1286 def limit(repo, subset, x): 1286 def limit(repo, subset, x):
1287 """``limit(set, [n])`` 1287 """``limit(set, [n])``
1288 First n members of set, defaulting to 1. 1288 First n members of set, defaulting to 1.
1289 """ 1289 """
1290 # i18n: "limit" is a keyword 1290 args = getargsdict(x, 'limit', 'set n')
1291 l = getargs(x, 1, 2, _("limit requires one or two arguments")) 1291 if 'set' not in args:
1292 # i18n: "limit" is a keyword
1293 raise error.ParseError(_("limit requires one or two arguments"))
1292 try: 1294 try:
1293 lim = 1 1295 lim = 1
1294 if len(l) == 2: 1296 if 'n' in args:
1295 # i18n: "limit" is a keyword 1297 # i18n: "limit" is a keyword
1296 lim = int(getstring(l[1], _("limit requires a number"))) 1298 lim = int(getstring(args['n'], _("limit requires a number")))
1297 except (TypeError, ValueError): 1299 except (TypeError, ValueError):
1298 # i18n: "limit" is a keyword 1300 # i18n: "limit" is a keyword
1299 raise error.ParseError(_("limit expects a number")) 1301 raise error.ParseError(_("limit expects a number"))
1300 os = getset(repo, fullreposet(repo), l[0]) 1302 os = getset(repo, fullreposet(repo), args['set'])
1301 result = [] 1303 result = []
1302 it = iter(os) 1304 it = iter(os)
1303 for x in xrange(lim): 1305 for x in xrange(lim):
1304 y = next(it, None) 1306 y = next(it, None)
1305 if y is None: 1307 if y is None: