208     def load_common_header(self, load_file, expected_magic):  argument
215         ) = struct.unpack("<BBBBI", load_file.read(8))
456     def __init__(self, load_file=None):  argument
462         if load_file is not None:
463             segments = self.load_common_header(load_file, ESPLoader.ESP_IMAGE_MAGIC)
466                 self.load_segment(load_file)
467             self.checksum = self.read_checksum(load_file)
513     def __init__(self, load_file=None):  argument
516         if load_file is not None:
517             segments = self.load_common_header(load_file, self.IMAGE_V2_MAGIC)
530             irom_segment = self.load_segment(load_file, True)
540             segments = self.load_common_header(load_file, ESPLoader.ESP_IMAGE_MAGIC)
563                 self.load_segment(load_file)
564             self.checksum = self.read_checksum(load_file)
649     def __init__(self, load_file=None, append_digest=True, ram_only_header=False):  argument
672         if load_file is not None:
673             start = load_file.tell()
675             segments = self.load_common_header(load_file, ESPLoader.ESP_IMAGE_MAGIC)
676             self.load_extended_header(load_file)
679                 self.load_segment(load_file)
680             self.checksum = self.read_checksum(load_file)
683                 end = load_file.tell()
684                 self.stored_digest = load_file.read(32)
685                 load_file.seek(start)
687                 calc_digest.update(load_file.read(end - start))
912     def load_extended_header(self, load_file):  argument
917             struct.unpack(self.EXTENDED_HEADER_STRUCT_FMT, load_file.read(16))
1052     def load_extended_header(self, load_file):  argument
1057             struct.unpack(self.EXTENDED_HEADER_STRUCT_FMT, load_file.read(16))