Authors: Mark Lutz

Tags: #COMPUTERS / Programming Languages / Python

Programming Python (210 page)

BOOK: Programming Python

9.35Mb size Format: txt, pdf, ePub

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Hello World program, “Hello World” in Four Lines (or Less) , One More for Old Times’ Sake , The Hello World Selector , Checking for Missing and Invalid Inputs

help function, Paging Documentation Strings

hidden fields, Passing Parameters in Hidden Form Fields , Hidden Form Input Fields , Passing State Information in HTML Hidden Input Fields , Alternative: Passing header text in hidden input fields (PyMailCGI_2.1) , Alternative: Passing header text in hidden input fields (PyMailCGI_2.1)

passing header text in, Alternative: Passing header text in hidden input fields (PyMailCGI_2.1) , Alternative: Passing header text in hidden input fields (PyMailCGI_2.1)
passing parameters in, Passing Parameters in Hidden Form Fields , Hidden Form Input Fields
passing state information in, Passing State Information in HTML Hidden Input Fields

HList widget, Ideas for Improvement

holmes expert system shell, Parsing and Unparsing Rule Strings , More on the holmes expert system shell

functionality, More on the holmes expert system shell
rule strings, Parsing and Unparsing Rule Strings

HTML, Python Internet Development Options , New in Version 3.0 (Fourth Edition) , Handling HTML Content in Email , A First Web Page , HTML basics , HTML file permission constraints , Table tags , Submission page , More on form tags , More on HTML and URL Escapes , Avoiding conflicts , HTML and URL conflicts: & , Passing State Information in HTML Hidden Input Fields , Escaping Mail Text and Passwords in HTML , Escaping Mail Text and Passwords in HTML , Other Approaches , XML and HTML Parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited)

basic overview, HTML basics
building web pages with, A First Web Page
CGI script escape conventions, More on HTML and URL Escapes , Avoiding conflicts
escaping mail text/passwords, Escaping Mail Text and Passwords in HTML , Escaping Mail Text and Passwords in HTML
file permission constraints, HTML file permission constraints
form tags, Submission page , More on form tags
hidden input fields, Passing State Information in HTML Hidden Input Fields
Internet applications and, Other Approaches
parsing support, Python Internet Development Options , XML and HTML Parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited)
PyMailGUI text extraction, New in Version 3.0 (Fourth Edition) , Handling HTML Content in Email
table tags, Table tags
URL conflicts and, HTML and URL conflicts: &

html.entities module, Handling HTML entity references (revisited)

html.parser module, Python Internet Development Options , Python’s Internet Library Modules , HTTP: Accessing Websites , XML and HTML Parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited)

fetched data considerations, HTTP: Accessing Websites
functionality, Python’s Internet Library Modules , XML and HTML Parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited)
screen scraping support, Python Internet Development Options

HTMLgen tool, Python Internet Development Options

HTTP, HTTP: Accessing Websites , HTTP: Accessing Websites , HTTP “Cookies” , Handling cookies with the urllib.request module

accessing websites, HTTP: Accessing Websites , HTTP: Accessing Websites
cookie support, HTTP “Cookies” , Handling cookies with the urllib.request module

http.client module, Python’s Internet Library Modules , HTTP: Accessing Websites

http.cookiejar module, Python’s Internet Library Modules , HTTP “Cookies” , Handling cookies with the urllib.request module

http.cookies module, Python’s Internet Library Modules , HTTP “Cookies”

http.server module, Python’s Internet Library Modules , HTTP: Accessing Websites

HTTPS (secure HTTP), HTTPS: Secure HTTP transmissions

HTTP_COOKIE environment variable, Receiving a cookie

hyperlinks, Ideas for Improvement , HTML basics , Passing Parameters in Hardcoded URLs , Passing Parameters in Hardcoded URLs

IANA (Internet Assigned Numbers Authority), Python’s Internet Library Modules

Icon language, Enter Python

IDLE interface, tkinter Extensions , Running GUI Programs , Update for initial positioning

functionality, tkinter Extensions
running GUI programs, Running GUI Programs
text editor positioning issues, Update for initial positioning

IETF (Internet Engineering Task Force), Python’s Internet Library Modules

images, Images , Fun with Buttons and Pictures , Viewing and Processing Images with PIL , Scrolling and canvases (ahead) , Creating Image Thumbnails with PIL , Scrolling and canvases (ahead) , Using images in toolbars, too , Using images in toolbars, too , Scrollable Canvases and Image Thumbnails , Scrolling images too: PyPhoto (ahead) , Scrolling images too: PyPhoto (ahead) , Adding Pictures and Generating Tables , Table tags

adding with CGI scripts, Adding Pictures and Generating Tables , Table tags
displaying, Images , Fun with Buttons and Pictures
processing with PIL, Viewing and Processing Images with PIL , Scrolling and canvases (ahead)
scrolling, Scrolling images too: PyPhoto (ahead)
thumbnails, Creating Image Thumbnails with PIL , Scrolling and canvases (ahead) , Scrollable Canvases and Image Thumbnails , Scrolling images too: PyPhoto (ahead)
in toolbars, Using images in toolbars, too , Using images in toolbars, too

ImageTk module, Scrollable Canvases and Image Thumbnails

imaplib module, Python’s Internet Library Modules , Processing Internet Email

__import__ function, Importing by name string

independent programs, Sockets and independent programs , Starting Independent Programs

sockets and, Sockets and independent programs
starting, Starting Independent Programs

independent windows, Independent Windows , Independent Windows

indexes, Text indexes

inheritance, Adding Inheritance , Composition versus inheritance

classes and, Adding Inheritance
SimpleEditor class and, Composition versus inheritance

Input class, Redirecting Streams to Python Objects

input files, Input files , Input files , Unicode file and display model

input forms, Laying Out Input Forms , Going modal again , Grid Basics: Input Forms Revisited

grid basics, Grid Basics: Input Forms Revisited
laying out, Laying Out Input Forms , Going modal again

input function, Standard Streams

input/output streams, “I’d Like to Have an Argument, Please” , Standard Streams , Redirecting Streams to Files and Programs , Coding alternatives for adders and sorters , Redirected Streams and User Interaction , Redirected Streams and User Interaction , Redirecting Streams to Python Objects , Redirecting Streams to Python Objects , The io.StringIO and io.BytesIO Utility Classes , The io.StringIO and io.BytesIO Utility Classes , Capturing the stderr Stream , Redirection Syntax in Print Calls , Other Redirection Options: os.popen and subprocess Revisited , Other Redirection Options: os.popen and subprocess Revisited , Redirecting input or output with os.popen , Redirecting input and output with subprocess , Redirecting input and output with subprocess , Output stream buffering: A first look , Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes , GuiStreams: Redirecting Streams to Widgets , Using Redirection for the Packing Scripts , Making Sockets Look Like Files and Streams , Sockets versus command pipes , A Stream Redirection Utility , Sockets versus command pipes , Writing CGI Scripts in Python , Common Utilities Module

capturing stderr stream, Capturing the stderr Stream
CGI scripts and, Writing CGI Scripts in Python
io.BytesIO class, The io.StringIO and io.BytesIO Utility Classes
io.StringIO class, The io.StringIO and io.BytesIO Utility Classes
output stream buffering, Output stream buffering: A first look , Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes
PyMailCGI program and, Common Utilities Module
redirecting print calls, Redirection Syntax in Print Calls
redirecting to files/programs, Redirecting Streams to Files and Programs , Coding alternatives for adders and sorters
redirecting to Python objects, Redirecting Streams to Python Objects , Redirecting Streams to Python Objects
redirecting to widgets, GuiStreams: Redirecting Streams to Widgets , Using Redirection for the Packing Scripts
redirecting with os.popen, Other Redirection Options: os.popen and subprocess Revisited , Redirecting input or output with os.popen
redirecting with subprocess, Other Redirection Options: os.popen and subprocess Revisited , Redirecting input and output with subprocess , Redirecting input and output with subprocess
redirection utility, A Stream Redirection Utility , Sockets versus command pipes
sockets looking like, Making Sockets Look Like Files and Streams , Sockets versus command pipes
standard streams, “I’d Like to Have an Argument, Please” , Standard Streams
user interaction and, Redirected Streams and User Interaction , Redirected Streams and User Interaction

insert command (SQL), Adding records

Inter-Process Communication, Python System Modules (see IPC)

interact function, Redirecting Streams to Files and Programs

Internationalization, Message header encodings: email package support , Message header encodings: email package support , New in Version 3.0 (Fourth Edition) , Mail Content Internationalization Support , Mail Content Internationalization Support , New in This Fourth Edition (Version 3.0)

i18n message headers, Message header encodings: email package support , Message header encodings: email package support , New in This Fourth Edition (Version 3.0)
mail content support, New in Version 3.0 (Fourth Edition) , Mail Content Internationalization Support , Mail Content Internationalization Support

Internet Assigned Numbers Authority (IANA), Python’s Internet Library Modules

Internet Engineering Task Force (IETF), Python’s Internet Library Modules

Internet Service Providers (ISPs), Generating Redirection Web Pages , Transferring Directories with ftplib , POP: Fetching Email

Internet-related scripting, Python Internet Development Options , Python Internet Development Options , The Socket Layer , Machine identifiers , The Protocol Layer , Protocol structures , Python’s Internet Library Modules , Python’s Internet Library Modules , Socket Programming , Binding reserved port servers , Handling Multiple Clients , Summary: Choosing a Server Scheme , Making Sockets Look Like Files and Streams , Sockets versus command pipes , A Simple Python File Server , Using a reusable form-layout class

development options, Python Internet Development Options , Python Internet Development Options
handling multiple clients, Handling Multiple Clients , Summary: Choosing a Server Scheme
library modules and, Python’s Internet Library Modules , Python’s Internet Library Modules
protocols and, The Protocol Layer , Protocol structures
Python file server, A Simple Python File Server , Using a reusable form-layout class
sockets and, The Socket Layer , Machine identifiers , Socket Programming , Binding reserved port servers
sockets like files/streams, Making Sockets Look Like Files and Streams , Sockets versus command pipes

IntVar class, tkinter “Variables” and Form Layout Alternatives

io.BytesIO class, The io.StringIO and io.BytesIO Utility Classes

io.StringIO class, The io.StringIO and io.BytesIO Utility Classes

IPC (Inter-Process Communication), Python System Modules , Interprocess Communication , Interprocess Communication , Interprocess Communication , Interprocess Communication , Interprocess Communication , Interprocess Communication , Interprocess Communication , Anonymous Pipes , Output stream buffering revisited: Deadlocks and flushes , Bidirectional IPC with anonymous pipes , Bidirectional IPC with anonymous pipes , Named Pipes (Fifos) , Named pipe use cases , Sockets: A First Look , Socket use cases , Signals , Signals , IPC Tools: Pipes, Shared Memory, and Queues , Queues and subclassing , The Socket Layer , Extensions to the CGI Model

anonymous pipes, Interprocess Communication , Anonymous Pipes , Output stream buffering revisited: Deadlocks and flushes
bidirectional, Bidirectional IPC with anonymous pipes , Bidirectional IPC with anonymous pipes
FastCGI and, Extensions to the CGI Model
multiprocessing module and, Interprocess Communication , IPC Tools: Pipes, Shared Memory, and Queues , Queues and subclassing
named pipes, Interprocess Communication , Named Pipes (Fifos) , Named pipe use cases
overview, Interprocess Communication
shared memory, Interprocess Communication
signals, Interprocess Communication , Signals , Signals
sockets, Python System Modules , Interprocess Communication , Sockets: A First Look , Socket use cases , The Socket Layer

IronPython, Python GUI Development Options , Python Internet Development Options , Extending and Embedding , Other Extending Tools , Other Integration Topics

development options, Python Internet Development Options
integration considerations, Extending and Embedding , Other Integration Topics
overview, Python GUI Development Options , Other Extending Tools

ISPs (Internet Service Providers), Generating Redirection Web Pages , Transferring Directories with ftplib , POP: Fetching Email

iterators, line, Other os Module Exports , Reading lines with file iterators , Reading lines with file iterators , File filters

BOOK: Programming Python

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