from mgz import header, body

with open('/path/to/file', 'rb') as data:
    eof = os.fstat(data.fileno()).st_size
    header.parse_stream(data)
    while data.tell() < eof:
        body.operation.parse_stream(data)

from mgz.summary import Summary

with open('/path/to/file', 'rb') as data:
    s = Summary(data)
    s.get_map()
    s.get_platform()
    # ... etc