コード例 #1
0
ファイル: isbn.py プロジェクト: dvorapa/pywikibot
def is_valid(isbn):
    """Check whether an ISBN 10 or 13 is valid."""
    # isbnlib marks any ISBN10 with lowercase 'X' as invalid
    isbn = isbn.upper()
    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        try:
            stdnum.isbn.validate(isbn)
        except (stdnum.isbn.InvalidFormat, stdnum.isbn.InvalidChecksum,
                stdnum.isbn.InvalidLength) as e:
            raise InvalidIsbnException(str(e))
        return True

    try:
        isbnlib
    except NameError:
        pass
    else:
        if isbnlib.notisbn(isbn):
            raise InvalidIsbnException('Invalid ISBN found')
        return True

    raise NotImplementedError(
        'ISBN functionality not available. Install stdnum package.')
コード例 #2
0
def _hyphenateIsbnNumber(match):
    """Helper function to deal with a single ISBN."""
    isbn = match.group('code')
    isbn = isbn.upper()
    try:
        is_valid(isbn)
    except InvalidIsbnException:
        return isbn

    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        i = stdnum.isbn.format(isbn)
        return i

    try:
        isbn_hyphenate
    except NameError:
        pass
    else:
        try:
            i = isbn_hyphenate.hyphenate(isbn)
        except (isbn_hyphenate.IsbnMalformedError,
                isbn_hyphenate.IsbnUnableToHyphenateError):
            return isbn
        return i

    i = getIsbn(isbn)
    i.format()
    return i.code
コード例 #3
0
ファイル: isbn.py プロジェクト: dvorapa/pywikibot
def _isbn10toIsbn13(match):
    """Helper function to deal with a single ISBN."""
    isbn = match.group('code')
    isbn = isbn.upper()
    try:
        is_valid(isbn)
    except InvalidIsbnException:
        # don't change
        return isbn

    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        return stdnum.isbn.to_isbn13(isbn)

    try:
        isbnlib
    except NameError:
        pass
    else:
        # remove hyphenation, otherwise isbnlib.to_isbn13() returns None
        i = isbnlib.canonical(isbn)
        if i == isbn:
            i13 = isbnlib.to_isbn13(i)
            return i13
        # add removed hyphenation
        i13 = isbnlib.to_isbn13(i)
        i13h = hyphenateIsbnNumbers('ISBN ' + i13)
        return i13h[5:]
コード例 #4
0
def is_valid(isbn):
    """Check whether an ISBN 10 or 13 is valid."""
    # isbnlib marks any ISBN10 with lowercase 'X' as invalid
    isbn = isbn.upper()
    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        try:
            stdnum.isbn.validate(isbn)
        except stdnum.isbn.InvalidFormat as e:
            raise InvalidIsbnException(str(e))
        except stdnum.isbn.InvalidChecksum as e:
            raise InvalidIsbnException(str(e))
        except stdnum.isbn.InvalidLength as e:
            raise InvalidIsbnException(str(e))
        return True

    try:
        isbnlib
    except NameError:
        pass
    else:
        if isbnlib.notisbn(isbn):
            raise InvalidIsbnException('Invalid ISBN found')
        return True

    getIsbn(isbn)
    return True
コード例 #5
0
ファイル: isbn.py プロジェクト: magul/pywikibot-core
def _hyphenateIsbnNumber(match):
    """Helper function to deal with a single ISBN."""
    isbn = match.group('code')
    isbn = isbn.upper()
    try:
        is_valid(isbn)
    except InvalidIsbnException:
        return isbn

    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        i = stdnum.isbn.format(isbn)
        return i

    try:
        isbn_hyphenate
    except NameError:
        pass
    else:
        try:
            i = isbn_hyphenate.hyphenate(isbn)
        except (isbn_hyphenate.IsbnMalformedError,
                isbn_hyphenate.IsbnUnableToHyphenateError):
            return isbn
        return i

    i = getIsbn(isbn)
    i.format()
    return i.code
コード例 #6
0
ファイル: isbn.py プロジェクト: magul/pywikibot-core
def is_valid(isbn):
    """Check whether an ISBN 10 or 13 is valid."""
    # isbnlib marks any ISBN10 with lowercase 'X' as invalid
    isbn = isbn.upper()
    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        try:
            stdnum.isbn.validate(isbn)
        except stdnum.isbn.InvalidFormat as e:
            raise InvalidIsbnException(str(e))
        except stdnum.isbn.InvalidChecksum as e:
            raise InvalidIsbnException(str(e))
        except stdnum.isbn.InvalidLength as e:
            raise InvalidIsbnException(str(e))
        return True

    try:
        isbnlib
    except NameError:
        pass
    else:
        if isbnlib.notisbn(isbn):
            raise InvalidIsbnException('Invalid ISBN found')
        return True

    getIsbn(isbn)
    return True
コード例 #7
0
ファイル: isbn.py プロジェクト: dvorapa/pywikibot
def _hyphenateIsbnNumber(match):
    """Helper function to deal with a single ISBN."""
    isbn = match.group('code')
    isbn = isbn.upper()
    try:
        is_valid(isbn)
    except InvalidIsbnException:
        return isbn

    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        return stdnum.isbn.format(isbn)
コード例 #8
0
ファイル: isbn.py プロジェクト: magul/pywikibot-core
def _isbn10toIsbn13(match):
    """Helper function to deal with a single ISBN."""
    isbn = match.group('code')
    isbn = isbn.upper()
    try:
        stdnum.isbn
    except NameError:
        pass
    else:
        try:
            is_valid(isbn)
        except InvalidIsbnException:
            return isbn
        i = stdnum.isbn.to_isbn13(isbn)
        return i

    try:
        isbnlib
    except NameError:
        pass
    else:
        try:
            is_valid(isbn)
        except InvalidIsbnException:
            return isbn
        # remove hyphenation, otherwise isbnlib.to_isbn13() returns None
        i = isbnlib.canonical(isbn)
        if i == isbn:
            i13 = isbnlib.to_isbn13(i)
            return i13
        # add removed hyphenation
        i13 = isbnlib.to_isbn13(i)
        i13h = hyphenateIsbnNumbers('ISBN ' + i13)
        return i13h[5:]

    try:
        is_valid(isbn)
    except InvalidIsbnException:
        # don't change
        return isbn
    i1x = getIsbn(isbn)
    if not isinstance(i1x, ISBN13):
        i13 = i1x.toISBN13()
    else:
        i13 = i1x
    return i13.code