How to use isbntools - 10 common examples

def _mapper(isbn, records):
    """Map canonical <- records."""
    # canonical:
    # -> ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        # mapping: canonical <- records
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        canonical['Authors'] = [a['name'] for a in
                                records.get('authors', ({'name': u('')},))]
        canonical['Publisher'] = records.get('publishers',
                                             [{'name': u('')}, ])[0]['name']
        canonical['Year'] = records.get('publish_date', u(',')).split(',')[1]
    except:   # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Mapp: canonical <- records."""
    # canonical: ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        buf = records.get('author', u(''))
        canonical['Authors'] = [x.strip('. ') for x in buf.split(';')]
        canonical['Publisher'] = records.get('publisher', u(''))
        canonical['Year'] = records.get('year', u(''))
        canonical['Language'] = records.get('lang', u(''))
    except:  # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Mapp: canonical <- records."""
    # canonical: ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        buf = records.get('author', u(''))
        canonical['Authors'] = [x.strip('. ') for x in buf.split(';')]
        canonical['Publisher'] = records.get('publisher', u(''))
        canonical['Year'] = records.get('year', u(''))
        canonical['Language'] = records.get('lang', u(''))
    except:  # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Mapp: canonical <- records."""
    # canonical: ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        buf = records.get('author', u(''))
        canonical['Authors'] = [x.strip('. ') for x in buf.split(';')]
        canonical['Publisher'] = records.get('publisher', u(''))
        canonical['Year'] = records.get('year', u(''))
        canonical['Language'] = records.get('lang', u(''))
    except:  # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Mapp: canonical <- records."""
    # canonical: ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        buf = records.get('author', u(''))
        canonical['Authors'] = [x.strip('. ') for x in buf.split(';')]
        canonical['Publisher'] = records.get('publisher', u(''))
        canonical['Year'] = records.get('year', u(''))
        canonical['Language'] = records.get('lang', u(''))
    except:  # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Map canonical <- records."""
    # canonical:
    # -> ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        # mapping: canonical <- records
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        canonical['Authors'] = [a['name'] for a in
                                records.get('authors', ({'name': u('')},))]
        canonical['Publisher'] = records.get('publishers',
                                             [{'name': u('')}, ])[0]['name']
        canonical['Year'] = records.get('publish_date', u(',')).split(',')[1]
    except:   # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def _mapper(isbn, records):
    """Mapp: canonical <- records."""
    # canonical: ISBN-13, Title, Authors, Publisher, Year, Language
    try:
        canonical = {}
        canonical['ISBN-13'] = u(isbn)
        canonical['Title'] = records.get('title', u('')).replace(' :', ':')
        buf = records.get('author', u(''))
        canonical['Authors'] = [x.strip('. ') for x in buf.split(';')]
        canonical['Publisher'] = records.get('publisher', u(''))
        canonical['Year'] = records.get('year', u(''))
        canonical['Language'] = records.get('lang', u(''))
    except:  # pragma: no cover
        raise RecordMappingError(isbn)
    # call stdmeta for extra cleanning and validation
    return stdmeta(canonical)

def do_pipe():
    """Validate ISBNs from sys.stdin."""
    # check if pipe
    if sys.stdin.isatty():
        print('Usage:\n   cat ISBNs | isbn_validate')
        return 1
    for line in sys.stdin:
        line = line.strip()
        buf = re.sub(r"\[|\]|'|-", "", repr(get_isbnlike(line)))
        buf = buf.strip()
        if ',' in buf:
            for b in buf.split(','):
                b = get_canonical_isbn(b.strip())
                if b:
                    print(b)
        else:
            buf = get_canonical_isbn(buf)
            if buf:
                print(buf)
    return 0

It will output all valid ISBNs that receive from input.

    Usage:
    cat ISBNs| isbn_stdin_validate
    """
    # check if pipe
    if sys.stdin.isatty():
        print('Usage:\n   cat ISBNs| isbn_stdin_validate')
        return 1
    for line in sys.stdin:
        line = line.strip()
        buf = re.sub(r"\[|\]|'|-", "", repr(get_isbnlike(line)))
        buf = buf.strip()
        if ',' in buf:
            for b in buf.split(','):
                b = get_canonical_isbn(b.strip())
                if b:
                    print(b)
        else:
            buf = get_canonical_isbn(buf)
            if buf:
                print(buf)
    return 0

"""
    # check if pipe
    if sys.stdin.isatty():
        print('Usage:\n   cat ISBNs| isbn_stdin_validate')
        return 1
    for line in sys.stdin:
        line = line.strip()
        buf = re.sub(r"\[|\]|'|-", "", repr(get_isbnlike(line)))
        buf = buf.strip()
        if ',' in buf:
            for b in buf.split(','):
                b = get_canonical_isbn(b.strip())
                if b:
                    print(b)
        else:
            buf = get_canonical_isbn(buf)
            if buf:
                print(buf)
    return 0