def __iter__(self):
result = self.dicts
if self.header is None:
# determine fields
header = list()
for o in result:
if hasattr(o, 'keys'):
header.extend(k for k in o.keys() if k not in header)
else:
header = self.header
yield tuple(header)
# output data rows
for o in result:
row = tuple(o[f] if f in o else None for f in header)
yield row
def __iter__(self):
with self.source.open_() as f:
result = json.load(f, *self.args, **self.kwargs)
if self.header is None:
# determine fields
header = list()
for o in result:
if hasattr(o, 'keys'):
header.extend(k for k in o.keys() if k not in header)
else:
header = self.header
yield tuple(header)
# output data rows
for o in result:
row = tuple(o[f] if f in o else None for f in header)
yield row