pytree gui and - writing defined email content - html support - parser decoding requirement - recursive descent regular expression support rule strings - with splits and joins xml support - passwords encrypting - escaping in html - pymailcgi password page pattern matching (see regular expressionspattern objects (re module) performance pymailcgi program and pymailgui program and saving thumbnail files stacks and string object methods and threads and perl language permissions cgi scripts and html constraints persistence dbm files - object relational mappers - options available pickled objects - programming considerations - shelve files - sql databases - zodb system - peterstim pexpect package output stream buffering and overview photoimage widget class - pickle module background information constraints - functionality - per-record pickle files - pickler class pymailgui program and unpickler class pickled objects defined usage considerations - pil (python imaging libraryextension toolkit animation and basics overview creating image thumbnails - displaying other image types - functionality images in toolbars thumbnail support pipe character (|) pipe object (multiprocessing) pipes anonymous - command-line - implementing multiprocessing module and named - sockets and unbuffered modes playfile module plone website builder plotting points on circle - ply parsing system pmw (python mega widgetsextension toolkit functionality scrolling support polymorphism pop (post office protocolfetching email at interactive prompt mail configuration module - mail reader script - overview pymailcgi and - - - pymailgui and - poplib module functionality mail reader script pymail script and pymailcgi program and popmail script - port numbers defined protocol rules reserved - index