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comparison mercurial/templatefuncs.py @ 38255:06d11cd90516

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templater: promote getmember() to an interface of wrapped types
author Yuya Nishihara <yuya@tcha.org>
date Wed, 21 Mar 2018 11:30:21 +0900
parents 12b6ee9e88f3
children 688fbb758ba9
comparison
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38254:12b6ee9e88f3 38255:06d11cd90516
260 if len(args) != 2: 260 if len(args) != 2:
261 # i18n: "get" is a keyword 261 # i18n: "get" is a keyword
262 raise error.ParseError(_("get() expects two arguments")) 262 raise error.ParseError(_("get() expects two arguments"))
263 263
264 dictarg = evalwrapped(context, mapping, args[0]) 264 dictarg = evalwrapped(context, mapping, args[0])
265 if not util.safehasattr(dictarg, 'getmember'): 265 key = evalfuncarg(context, mapping, args[1])
266 try:
267 return dictarg.getmember(context, mapping, key)
268 except error.ParseError as err:
266 # i18n: "get" is a keyword 269 # i18n: "get" is a keyword
267 raise error.ParseError(_("get() expects a dict as first argument")) 270 hint = _("get() expects a dict as first argument")
268 271 raise error.ParseError(bytes(err), hint=hint)
269 key = evalfuncarg(context, mapping, args[1])
270 return dictarg.getmember(context, mapping, key)
271 272
272 @templatefunc('if(expr, then[, else])') 273 @templatefunc('if(expr, then[, else])')
273 def if_(context, mapping, args): 274 def if_(context, mapping, args):
274 """Conditionally execute based on the result of 275 """Conditionally execute based on the result of
275 an expression.""" 276 an expression."""