hachoir_file_format_parser_and_metadata_extractor.py

1import sys
2from hachoir.parser import createParser
3from hachoir.metadata import extractMetadata
4from hachoir.core.tools import makePrintable
5
6def main():
7    if len(sys.argv) < 2:
8        print("Usage: %s filename" % sys.argv[0])
9        sys.exit(1)
10
11    filename = sys.argv[1]
12    
13    # Create a parser from the file
14    parser = createParser(filename)
15    if not parser:
16        print("Unable to parse file")
17        sys.exit(1)
18
19    # Extract metadata
20    with parser:
21        metadata = extractMetadata(parser)
22    
23    if not metadata:
24        print("Unable to extract metadata")
25        sys.exit(1)
26
27    # Print all metadata
28    for line in metadata.exportPlaintext():
29        print(makePrintable(line, "ASCII"))
30
31if __name__ == "__main__":
32    main()