class_docstr: A pure Python implementation of InputStream.
class_docstr_tok: ["A","pure","Python","implementation","of","InputStream","."]
code: def size(self):
      return len(self.data) - self.pos
  
imports: import struct
label_desc: Use image node_id 12 for calling the InputStream obj's underlying member method code with example usage: obj.size() and returns: unknown