comparison mercurial/templatefuncs.py @ 38243:06d11cd90516

templater: promote getmember() to an interface of wrapped types

38242:12b6ee9e88f3

    if len(args) != 2:
        # i18n: "get" is a keyword
        raise error.ParseError(_("get() expects two arguments"))

    dictarg = evalwrapped(context, mapping, args[0])
    if not util.safehasattr(dictarg, 'getmember'):
        # i18n: "get" is a keyword
        raise error.ParseError(_("get() expects a dict as first argument"))

    key = evalfuncarg(context, mapping, args[1])
    return dictarg.getmember(context, mapping, key)

@templatefunc('if(expr, then[, else])')
def if_(context, mapping, args):
    """Conditionally execute based on the result of
    an expression."""

38243:06d11cd90516

    if len(args) != 2:
        # i18n: "get" is a keyword
        raise error.ParseError(_("get() expects two arguments"))

    dictarg = evalwrapped(context, mapping, args[0])
    key = evalfuncarg(context, mapping, args[1])
    try:
        return dictarg.getmember(context, mapping, key)
    except error.ParseError as err:
        # i18n: "get" is a keyword
        hint = _("get() expects a dict as first argument")
        raise error.ParseError(bytes(err), hint=hint)

@templatefunc('if(expr, then[, else])')
def if_(context, mapping, args):
    """Conditionally execute based on the result of
    an expression."""