Method read

mongoengine/fields.py:1804–1812

(self, size=-1)

        self.newfile.writelines(lines)

    def read(self, size=-1):
        gridout = self.get()
        if gridout is None:
            return None
        else:
            try:
                return gridout.read(size)
            except Exception:
                return ""

    def delete(self):
        # Delete file from GridFS, FileField still remains