Programming Python (214 page)

PIL (Python Imaging Library) extension toolkit, Python GUI Development Options , tkinter Extensions , PIL Basics , Displaying Other Image Types with PIL , Displaying all images in a directory , Creating Image Thumbnails with PIL , Scrolling and canvases (ahead) , Using images in toolbars, too , Scrollable Canvases and Image Thumbnails , Graphics and gaming toolkits

animation and, Graphics and gaming toolkits
basics overview, PIL Basics
creating image thumbnails, Creating Image Thumbnails with PIL , Scrolling and canvases (ahead)
displaying other image types, Displaying Other Image Types with PIL , Displaying all images in a directory
functionality, Python GUI Development Options , tkinter Extensions
images in toolbars, Using images in toolbars, too
thumbnail support, Scrollable Canvases and Image Thumbnails

pipe character (|), Chaining programs with pipes

Pipe object (multiprocessing), IPC Tools: Pipes, Shared Memory, and Queues

pipes, Interprocess Communication , Interprocess Communication , Anonymous Pipes , Anonymous Pipes , Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes , Named Pipes (Fifos) , Named pipe use cases , multiprocessing pipes , Adding a GUI As a Separate Program: Command Pipes , Other uses for threaded pipe GUIs , Sockets and pipes: Compare and contrast , Buffering in other contexts: Command pipes revisited , Sockets versus command pipes

anonymous, Interprocess Communication , Anonymous Pipes , Output stream buffering revisited: Deadlocks and flushes
command-line, Output stream buffering revisited: Deadlocks and flushes , Adding a GUI As a Separate Program: Command Pipes , Other uses for threaded pipe GUIs , Buffering in other contexts: Command pipes revisited , Sockets versus command pipes
implementing, Anonymous Pipes
multiprocessing module and, multiprocessing pipes
named, Interprocess Communication , Named Pipes (Fifos) , Named pipe use cases
sockets and, Sockets and pipes: Compare and contrast
unbuffered modes, Output stream buffering revisited: Deadlocks and flushes

playfile module, Playing the Monty Python theme song

Plone website builder, Python Internet Development Options

plotting points on a circle, A Quick Geometry Lesson , A Quick Geometry Lesson

PLY parsing system, Advanced Language Tools

Pmw (Python Mega Widgets) extension toolkit, Python GUI Development Options , tkinter Extensions , Scrolling and canvases (ahead)

functionality, Python GUI Development Options , tkinter Extensions
scrolling support, Scrolling and canvases (ahead)

polymorphism, Redirecting Streams to Python Objects

POP (Post Office Protocol), POP: Fetching Email , Mail Configuration Module , POP Mail Reader Script , POP Mail Reader Script , Fetching Messages , Fetching Email at the Interactive Prompt , POP Message Numbers and Synchronization , POP Message Numbers and Synchronization , Reading POP Email , Escaping Mail Text and Passwords in HTML , Deletions and POP Message Numbers , Alternative: Delete on load , POP Mail Interface , Rolling your own encryptor

fetching email at interactive prompt, Fetching Email at the Interactive Prompt
mail configuration module, Mail Configuration Module , POP Mail Reader Script
mail reader script, POP Mail Reader Script , Fetching Messages
overview, POP: Fetching Email
PyMailCGI and, Reading POP Email , Escaping Mail Text and Passwords in HTML , Deletions and POP Message Numbers , Alternative: Delete on load , POP Mail Interface , Rolling your own encryptor
PyMailGUI and, POP Message Numbers and Synchronization , POP Message Numbers and Synchronization

poplib module, Python’s Internet Library Modules , Unicode in Python 3.X and Email Tools , POP Mail Reader Script , A Console-Based Email Client , Implementation Overview , The Message View Page

functionality, Python’s Internet Library Modules , Unicode in Python 3.X and Email Tools
mail reader script, POP Mail Reader Script
pymail script and, A Console-Based Email Client
PyMailCGI program and, Implementation Overview , The Message View Page

popmail script, POP: Fetching Email , POP Mail Reader Script , Fetching Messages

port numbers, Machine identifiers , Port number rules , Talking to Reserved Ports , Binding reserved port servers

defined, Machine identifiers
protocol rules, Port number rules
reserved, Talking to Reserved Ports , Binding reserved port servers

pprint module, Dictionaries of dictionaries , Scanning the Standard Library Tree , Regular expression parsing , SAX parsing

displaying databases, Dictionaries of dictionaries
regular expression parsing and, Regular expression parsing
SAX parsing and, SAX parsing
scanning directory trees, Scanning the Standard Library Tree

print function, Paging Documentation Strings , Standard Streams , Redirection Syntax in Print Calls , Debugging CGI scripts

CGI scripts and, Debugging CGI scripts
functionality, Paging Documentation Strings
redirecting, Redirection Syntax in Print Calls
standard streams and, Standard Streams

printing, Printing Unicode Filenames , Printing Unicode Filenames , Printing dialog results and passing callback data with lambdas , Printing dialog results and passing callback data with lambdas

dialog results, Printing dialog results and passing callback data with lambdas , Printing dialog results and passing callback data with lambdas
Unicode filenames, Printing Unicode Filenames , Printing Unicode Filenames

Process class (multiprocessing), The Basics: Processes and Locks

process forking, “Telling the Monkeys What to Do” (see forking processes)

program execution, Threads , Other Ways to Start Programs , The os.startfile call , Automated Program Launchers (External) , Running GUI Programs , Running Programs , Coding for reusability , Cross-program communication , SMTP: Sending Email , Running the pymail Console Client , Running the pymail Console Client , Running the pymail2 console client , Running the pymail2 console client , Running PyMailGUI , Running Server-Side Examples , Viewing Server-Side Examples and Output , Installing CGI scripts , Persistence Options in Python , Running PyCalc

automated program launchers, Automated Program Launchers (External)
CGI scripts, Installing CGI scripts
cross-program communication, Cross-program communication
GUI programs, Running GUI Programs , Running Programs , Coding for reusability
launching email programs, SMTP: Sending Email
launching methods, Other Ways to Start Programs , The os.startfile call
persistence options, Persistence Options in Python
PyCalc program, Running PyCalc
pymail console client, Running the pymail Console Client , Running the pymail Console Client , Running the pymail2 console client , Running the pymail2 console client
PyMailGUI, Running PyMailGUI
server-side scripts, Running Server-Side Examples , Viewing Server-Side Examples and Output
threads and, Threads

program exits, Program exit with child threads , sys Module Exits , sys Module Exits , os Module Exits , Shell Command Exit Status Codes , Exit status with subprocess , Process Exit Status and Shared State , Thread Exits and Shared State , Thread Exits and Shared State

with child threads, Program exit with child threads
os module, os Module Exits
process exit status and shared state, Process Exit Status and Shared State
shell commands and, Shell Command Exit Status Codes , Exit status with subprocess
sys module, sys Module Exits , sys Module Exits
thread exits and shared state, Thread Exits and Shared State , Thread Exits and Shared State

programming Python, Step 1: Representing Records , Dictionaries of dictionaries , Start-up pointers , Step 2: Storing Records Persistently , Using Shelves , Step 3: Stepping Up to OOP , Other Database Options , Using Classes , Using Classes , Adding Behavior , Adding Inheritance , Augmenting methods , Alternative classes , Adding Persistence , Adding Persistence , Other Database Options , Step 4: Adding Console Interaction , A Console Shelve Interface , Step 5: Adding a GUI , Future directions , Getting Input from a User , Step 6: Adding a Web Interface , Future directions , “Hello World” in Four Lines (or Less) , One More for Old Times’ Sake , Coding for reusability , Coding for reusability , Python Internet Development Options , Python Internet Development Options , Socket Programming , Binding reserved port servers , But What About That Bottleneck? , Python Fosters Hybrid Applications

adding behavior, Adding Behavior
adding GUI, Step 5: Adding a GUI , Future directions
adding inheritance, Adding Inheritance
adding persistence, Adding Persistence , Adding Persistence
adding web-based interfaces, Step 6: Adding a Web Interface , Future directions
alternative database options, Other Database Options
class considerations, Using Classes , Using Classes
coding for reusability, Coding for reusability , Coding for reusability
console interaction, Step 4: Adding Console Interaction , A Console Shelve Interface
Hello World program, “Hello World” in Four Lines (or Less) , One More for Old Times’ Sake
inputting user data, Getting Input from a User
Internet development options, Python Internet Development Options , Python Internet Development Options
OOP considerations, Step 3: Stepping Up to OOP , Other Database Options
programming pointers, Start-up pointers
rapid development features, But What About That Bottleneck? , Python Fosters Hybrid Applications
refactoring code, Augmenting methods , Alternative classes
representing records, Step 1: Representing Records , Dictionaries of dictionaries
socket programming, Socket Programming , Binding reserved port servers
storing records persistently, Step 2: Storing Records Persistently , Using Shelves

programs, Changing Shell Variables , Redirecting Streams to Files and Programs , Coding alternatives for adders and sorters , Chaining programs with pipes , Sockets and independent programs , Starting Independent Programs

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