API documentation

Class based access

• Handling ISBNs
  • Isbn
  • Examples
• Handling ISBN-10
  • Isbn10
• Handling ISBN-13
  • Isbn13
• Handling SBNs
  • Sbn

Exceptions

exception pyisbn.CountryError

Unknown country value.

exception pyisbn.IsbnError

Invalid ISBN string.

exception pyisbn.SiteError

Unknown site value.

Function based access

Additionally the top-level functions are available, if you do not wish to use the classes.

Note

While the layout of this module is a result of it moving from a strictly function-based layout to a class-based layout these functions will not be removed. Backwards compatibility is important, and will be maintained.

• Functions for handling ISBNs
  • calculate_checksum()
  • convert()
  • validate()

Internal support features

• Internal constants
  • BOOKLAND_PREFIXES
  • BOOKLAND_PREFIX_LENGTH
  • DASHES
  • ISBN10_CHECKSUM_MODULUS
  • ISBN10_CHECKSUM_X
  • ISBN10_LENGTH
  • ISBN10_LENGTH_NO_CHECKSUM
  • ISBN13_CHECKSUM_MODULUS
  • ISBN13_CHECKSUM_SUBTRACT
  • ISBN13_CHECKSUM_TEN_REPLACEMENT
  • ISBN13_LENGTH
  • ISBN13_LENGTH_NO_CHECKSUM
  • ISBN13_ODD_MULTIPLIER
  • SBN_LENGTH
  • SBN_LENGTH_NO_CHECKSUM
  • URL_MAP
• Type definitions
  • TIsbn
  • TSbn
• Internal utilities
  • isbn_cleanse()