comparison mercurial/templater.py @ 37157:888507ec655e

templateutil: move flatten() from templater

It's the same kind of utility as stringify().

37155:fb7140f1d09d

    aliasmap = _aliasrules.buildmap(aliases)
    return _aliasrules.expand(aliasmap, tree)

# template engine

def _flatten(thing):
    '''yield a single stream from a possibly nested set of iterators'''
    thing = templateutil.unwraphybrid(thing)
    if isinstance(thing, bytes):
        yield thing
    elif isinstance(thing, str):
        # We can only hit this on Python 3, and it's here to guard
        # against infinite recursion.
        raise error.ProgrammingError('Mercurial IO including templates is done'
                                     ' with bytes, not strings, got %r' % thing)
    elif thing is None:
        pass
    elif not util.safehasattr(thing, '__iter__'):
        yield pycompat.bytestr(thing)
    else:
        for i in thing:
            i = templateutil.unwraphybrid(i)
            if isinstance(i, bytes):
                yield i
            elif i is None:
                pass
            elif not util.safehasattr(i, '__iter__'):
                yield pycompat.bytestr(i)
            else:
                for j in _flatten(i):
                    yield j

def unquotestring(s):
    '''unwrap quotes if any; otherwise returns unmodified string'''
    if len(s) < 2 or s[0] not in "'\"" or s[0] != s[-1]:
        return s
    return s[1:-1]

        # initial 'revcache' may contain pre-computed items.
        extramapping = self._resources.populatemap(self, {}, mapping)
        if extramapping:
            extramapping.update(mapping)
            mapping = extramapping
        return _flatten(func(self, mapping, data))

engines = {'default': engine}

def stylelist():
    paths = templatepaths()

37157:888507ec655e

    aliasmap = _aliasrules.buildmap(aliases)
    return _aliasrules.expand(aliasmap, tree)

# template engine

def unquotestring(s):
    '''unwrap quotes if any; otherwise returns unmodified string'''
    if len(s) < 2 or s[0] not in "'\"" or s[0] != s[-1]:
        return s
    return s[1:-1]

        # initial 'revcache' may contain pre-computed items.
        extramapping = self._resources.populatemap(self, {}, mapping)
        if extramapping:
            extramapping.update(mapping)
            mapping = extramapping
        return templateutil.flatten(func(self, mapping, data))

engines = {'default': engine}

def stylelist():
    paths = templatepaths()