Authors: Mark Lutz

Tags: #COMPUTERS / Programming Languages / Python

Programming Python (213 page)

BOOK: Programming Python

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os.path module, Python System Modules , Tools in the os Module , Common os.path Tools , Common os.path Tools , Common os.path Tools , Common os.path Tools , Common os.path Tools , Common os.path Tools , Common os.path Tools , Handling private files and errors , Handling client path formats

abspath function, Common os.path Tools
functionality, Python System Modules
isdir function, Common os.path Tools
isfile function, Common os.path Tools
join function, Common os.path Tools
samefile function, Handling private files and errors
split function, Common os.path Tools , Handling client path formats
tools supported, Tools in the os Module , Common os.path Tools , Common os.path Tools

Output class, Redirecting Streams to Python Objects

output files, Output files , Closing

output stream buffering, 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 , Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes

deadlocks and flushes, Output stream buffering revisited: Deadlocks and flushes , Output stream buffering revisited: Deadlocks and flushes
Pexpect and, Redirecting input and output with subprocess , Output stream buffering revisited: Deadlocks and flushes
program exits and, Output stream buffering: A first look
pty module and, Output stream buffering revisited: Deadlocks and flushes

Pack class, One More for Old Times’ Sake

packer geometry manager, Geometry Managers , Widget Resizing Basics , Layout: Packing Order and Side Attachments , The Packer’s Expand and Fill Revisited , Comparing grid and pack , Comparing grid and pack , Combining grid and pack , Combining grid and pack , Making Gridded Widgets Expandable

combining with grid, Combining grid and pack , Combining grid and pack
defined, Geometry Managers
expand and fill options, The Packer’s Expand and Fill Revisited
grid comparison, Comparing grid and pack , Comparing grid and pack
layout system, Layout: Packing Order and Side Attachments
making expandable, Making Gridded Widgets Expandable
resizing widgets, Widget Resizing Basics

packing, Packing Widgets Without Saving Them , Packing Widgets Without Saving Them , Packing Scroll Bars

scroll bars, Packing Scroll Bars
widgets without saving, Packing Widgets Without Saving Them , Packing Widgets Without Saving Them

paging script example, A Custom Paging Script

PanedWindow widget class, Other Widgets and Options

parallel processing, “Telling the Monkeys What to Do” , Forking Processes , Spawned child program , Threads , A process-based alternative: multiprocessing (ahead) , Program Exits , Thread Exits and Shared State , Interprocess Communication , Signals , The multiprocessing Module , Why multiprocessing? The Conclusion , Other Ways to Start Programs , The os.startfile call , A Portable Program-Launch Framework , Other System Tools Coverage , Spawning Clients in Parallel , Preview: Denied client connections , Why multiprocessing doesn’t help with socket server portability , Why multiprocessing doesn’t help with socket server portability

defined, “Telling the Monkeys What to Do”
forking processes, Forking Processes , Spawned child program
IPC support, Interprocess Communication , Signals
multiprocessing module, The multiprocessing Module , Why multiprocessing? The Conclusion
portable framework, A Portable Program-Launch Framework
program exits, Program Exits , Thread Exits and Shared State
socket server portability and, Why multiprocessing doesn’t help with socket server portability , Why multiprocessing doesn’t help with socket server portability
spawning clients, Spawning Clients in Parallel , Preview: Denied client connections
starting programs, Other Ways to Start Programs , The os.startfile call
system tools coverage, Other System Tools Coverage
threads, Threads , A process-based alternative: multiprocessing (ahead)

parameters, Internet addresses (URLs) , Passing parameters in URLs , Passing parameters in URLs , Passing Parameters in Hardcoded URLs , Passing Parameters in Hardcoded URLs , Passing Parameters in Hidden Form Fields , URL Query Parameters , Hidden Form Input Fields , Passing State Information in URL Link Parameters , Passing State Information in URL Link Parameters

passing in hidden fields, Passing Parameters in Hidden Form Fields
passing in hidden form fields, Hidden Form Input Fields
passing in URLs, Passing parameters in URLs , Passing parameters in URLs , Passing Parameters in Hardcoded URLs , Passing Parameters in Hardcoded URLs , Passing State Information in URL Link Parameters , Passing State Information in URL Link Parameters
query, Internet addresses (URLs) , URL Query Parameters

parent process, Forking Processes

parsing, Parsing Command-Line Arguments , Parsing packed binary data with the struct module , Parsing packed binary data with the struct module , Python Internet Development Options , Python Internet Development Options , email: Parsing and Composing Mail Content , Summary: Solutions and workarounds , Parser decoding requirement , Parser decoding requirement , “See Jack Hack. Hack, Jack, Hack” , Parsing with Splits and Joins , Parsing and Unparsing Rule Strings , More on the holmes expert system shell , XML and HTML Parsing , XML and HTML Parsing , XML Parsing in Action , Other XML topics , Regular expression parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited) , Advanced Language Tools , Custom Language Parsers , Custom Language Parsers , The Expression Grammar , The Parser’s Code , Adding a Parse Tree Interpreter , Adding a Parse Tree Interpreter , Adding a Parse Tree Interpreter , Parse Tree Structure , Exploring Parse Trees with the PyTree GUI , Exploring Parse Trees with the PyTree GUI , Parsers Versus Python

binary data, Parsing packed binary data with the struct module , Parsing packed binary data with the struct module

command-line arguments, Parsing Command-Line Arguments

custom language parsers, Custom Language Parsers , The Expression Grammar , The Parser’s Code , Adding a Parse Tree Interpreter , Adding a Parse Tree Interpreter , Adding a Parse Tree Interpreter , Parse Tree Structure , Exploring Parse Trees with the PyTree GUI , Exploring Parse Trees with the PyTree GUI , Parsers Versus Python

adding parse tree interpreter, Adding a Parse Tree Interpreter , Adding a Parse Tree Interpreter
expression grammar, The Expression Grammar
parse tree structure, Parse Tree Structure
parser code, The Parser’s Code , Adding a Parse Tree Interpreter
parser comparisons, Parsers Versus Python
PyTree GUI and, Exploring Parse Trees with the PyTree GUI , Exploring Parse Trees with the PyTree GUI
writing, Custom Language Parsers

defined, “See Jack Hack. Hack, Jack, Hack”

email content, email: Parsing and Composing Mail Content , Summary: Solutions and workarounds

HTML support, Python Internet Development Options , XML and HTML Parsing , HTML Parsing in Action , Extracting plain text from HTML (revisited)

parser decoding requirement, Parser decoding requirement , Parser decoding requirement

recursive descent, Advanced Language Tools , Custom Language Parsers

regular expression support, Regular expression parsing

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

with splits and joins, Parsing with Splits and Joins

XML support, Python Internet Development Options , XML and HTML Parsing , XML Parsing in Action , Other XML topics

passwords, The POP Password Page , Escaping Mail Text and Passwords in HTML , Escaping Mail Text and Passwords in HTML , POP Password Encryption , Rolling your own encryptor

encrypting, POP Password Encryption , Rolling your own encryptor
escaping in HTML, Escaping Mail Text and Passwords in HTML , Escaping Mail Text and Passwords in HTML
PyMailCGI password page, The POP Password Page

pattern matching, Regular Expression Pattern Matching (see regular expressions)

pattern objects (re module), First Examples

performance, Threads , Performance: Saving thumbnail files , Performance: Saving thumbnail files , Ideas for Improvement , The Web Versus the Desktop , The Web Versus the Desktop , Customization: Performance Monitors , More on performance analysis , More on the holmes expert system shell

PyMailCGI program and, The Web Versus the Desktop
PyMailGUI program and, Ideas for Improvement , The Web Versus the Desktop
saving thumbnail files, Performance: Saving thumbnail files , Performance: Saving thumbnail files
stacks and, Customization: Performance Monitors , More on performance analysis
string object methods and, More on the holmes expert system shell
threads and, Threads

Perl language, Enter Python , In the Final Analysis…

permissions, HTML file permission constraints , Handling private files and errors

CGI scripts and, Handling private files and errors
HTML constraints, HTML file permission constraints

persistence, Adding Persistence , Adding Persistence , Persistence Options in Python , DBM Files , DBM Details: Files, Portability, and Close , Pickled Objects , Pickle Details: Protocols, Binary Modes, and _pickle , Shelve Files , Other Shelve Limitations , The ZODB Object-Oriented Database , The Mostly Missing ZODB Tutorial , SQL Database Interfaces , SQL Resources , ORMs: Object Relational Mappers , ORMs: Object Relational Mappers

DBM files, DBM Files , DBM Details: Files, Portability, and Close
object relational mappers, ORMs: Object Relational Mappers , ORMs: Object Relational Mappers
options available, Persistence Options in Python
pickled objects, Pickled Objects , Pickle Details: Protocols, Binary Modes, and _pickle
programming considerations, Adding Persistence , Adding Persistence
shelve files, Shelve Files , Other Shelve Limitations
SQL databases, SQL Database Interfaces , SQL Resources
ZODB system, The ZODB Object-Oriented Database , The Mostly Missing ZODB Tutorial

Peters, Tim, The End of the Demo

Pexpect package, Python System Modules , Redirecting input and output with subprocess , Output stream buffering revisited: Deadlocks and flushes

output stream buffering and, Redirecting input and output with subprocess , Output stream buffering revisited: Deadlocks and flushes
overview, Python System Modules

PhotoImage widget class, The End of the Tutorial , Images , Fun with Buttons and Pictures , Windows with Both Menus and Toolbars

pickle module, Using Pickle Files , Using Pickle Files , Using Per-Record Pickle Files , Using Per-Record Pickle Files , Python’s Internet Library Modules , Ideas for Improvement , Pickled Objects , Using Object Pickling , Using Object Pickling , Pickled Class Constraints , Pickled Class Constraints , More on the holmes expert system shell

background information, More on the holmes expert system shell
constraints, Pickled Class Constraints , Pickled Class Constraints
functionality, Using Pickle Files , Using Pickle Files , Python’s Internet Library Modules , Pickled Objects
per-record pickle files, Using Per-Record Pickle Files , Using Per-Record Pickle Files
Pickler class, Using Object Pickling
PyMailGUI program and, Ideas for Improvement
Unpickler class, Using Object Pickling

pickled objects, Persistence Options in Python , Pickled Objects , Using Object Pickling , Pickle Details: Protocols, Binary Modes, and _pickle

defined, Persistence Options in Python , Pickled Objects
usage considerations, Using Object Pickling , Pickle Details: Protocols, Binary Modes, and _pickle

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