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comparison mercurial/templateutil.py @ 37323:8c31b434697f

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templater: define interface for objects which act as iterator of mappings
author Yuya Nishihara <yuya@tcha.org>
date Sat, 17 Mar 2018 21:21:50 +0900
parents 26f6fc179e62
children c2f74b8f6b7f
comparison
equal deleted inserted replaced
37322:a67fd1fe5109 37323:8c31b434697f
34 Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain the inner 34 Use unwrapvalue(), unwrapastype(), or unwraphybrid() to obtain the inner
35 object. 35 object.
36 """ 36 """
37 37
38 __metaclass__ = abc.ABCMeta 38 __metaclass__ = abc.ABCMeta
39
40 @abc.abstractmethod
41 def itermaps(self):
42 """Yield each template mapping"""
39 43
40 @abc.abstractmethod 44 @abc.abstractmethod
41 def show(self, context, mapping): 45 def show(self, context, mapping):
42 """Return a bytes or (possibly nested) generator of bytes representing 46 """Return a bytes or (possibly nested) generator of bytes representing
43 the underlying object 47 the underlying object
491 % (fn, sym)) 495 % (fn, sym))
492 496
493 def runmap(context, mapping, data): 497 def runmap(context, mapping, data):
494 darg, targ = data 498 darg, targ = data
495 d = evalrawexp(context, mapping, darg) 499 d = evalrawexp(context, mapping, darg)
496 if util.safehasattr(d, 'itermaps'): 500 if isinstance(d, wrapped):
497 diter = d.itermaps() 501 diter = d.itermaps()
498 else: 502 else:
499 try: 503 try:
500 diter = iter(d) 504 diter = iter(d)
501 except TypeError: 505 except TypeError: