<s> """<STR_LIT>""" <EOL> from requests . utils import super_len <EOL> from . multipart . encoder import CustomBytesIO , encode_with <EOL> class StreamingIterator ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , size , iterator , encoding = '<STR_LIT:utf-8>' ) : <EOL> self . size = int ( size ) <EOL> if self . size < <NUM_LIT:0> : <EOL> raise ValueError ( <EOL> '<STR_LIT>' <EOL> ) <EOL> self . len = self . size <EOL> self . encoding = encoding <EOL> self . iterator = iterator <EOL> if hasattr ( iterator , '<STR_LIT>' ) : <EOL> self . _file = iterator <EOL> else : <EOL> self . _file = _IteratorAsBinaryFile ( iterator , encoding ) <EOL> def read ( self , size = - <NUM_LIT:1> ) : <EOL> return encode_with ( self . _file . read ( size ) , self . encoding ) <EOL> class _IteratorAsBinaryFile ( object ) : <EOL> def __init__ ( self , iterator , encoding = '<STR_LIT:utf-8>' ) : <EOL> self . iterator = iterator <EOL> self . encoding = encoding <EOL> self . _buffer = CustomBytesIO ( ) <EOL> def _get_bytes ( self ) : <EOL> try : <EOL> return encode_with ( next ( self . iterator ) , self . encoding ) <EOL> except StopIteration : <EOL> return b'<STR_LIT>' <EOL> def _load_bytes ( self , size ) : <EOL> self . _buffer . smart_truncate ( ) <EOL> amount_to_load = size - super_len ( self . _buffer ) <EOL> bytes_to_append = True <EOL> while amount_to_load > <NUM_LIT:0> and bytes_to_append : <EOL> bytes_to_append = self . _get_bytes ( ) <EOL> amount_to_load -= self . _buffer . append ( bytes_to_append ) <EOL> def read ( self , size = - <NUM_LIT:1> ) : <EOL> size = int ( size ) <EOL> if size == - <NUM_LIT:1> : <EOL> return b'<STR_LIT>' . join ( self . iterator ) <EOL> self . _load_bytes ( size ) <EOL> return self . _buffer . read ( size ) </s>
