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templater: extract helper that evaluates filter or function argument

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It will be used to get a date tuple from an argument. Perhaps some of
"stringify(args[n][0], ...)" can be replaced by this function.
This commit is contained in:
Yuya Nishihara 2015-09-01 18:57:50 +09:00
parent 6a7c5c9f3d
commit f54bea3c82
1 changed files with 10 additions and 5 deletions
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15
mercurial/templater.py
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@ -215,6 +215,15 @@ def gettemplate(exp, context):
return context._load(exp[1])
raise error.ParseError(_("expected template specifier"))
def evalfuncarg(context, mapping, arg):
func, data = arg
# func() may return string, generator of strings or arbitrary object such
# as date tuple, but filter does not want generator.
thing = func(context, mapping, data)
if isinstance(thing, types.GeneratorType):
thing = stringify(thing)
return thing
def runinteger(context, mapping, data):
return int(data)
@ -259,11 +268,7 @@ def buildfilter(exp, context):
def runfilter(context, mapping, data):
func, data, filt = data
# func() may return string, generator of strings or arbitrary object such
# as date tuple, but filter does not want generator.
thing = func(context, mapping, data)
if isinstance(thing, types.GeneratorType):
thing = stringify(thing)
thing = evalfuncarg(context, mapping, (func, data))
try:
return filt(thing)
except (ValueError, AttributeError, TypeError):