Foundations of Python Network Programming 978-1-4302-3004-5

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■ INDEX Common Gateway Interface. See CGI component stacks, 187 compression, 81, 138, 154 concurrent programming, 122, 134 configuration CA certificates, 94 port numbers, 18 congestion. See flow control connect() defined, 52 TCP, 37, 39 UDP, 25 connected sockets, 37, 41 Connection: header, 148 connection hijacking, 98 connections, persistent, 147 content negotiation, 153 Content-Disposition: header, 207 Content-Length: header, 148 Content-Type: header e-mail, 208 HTML, 149, 151, 153, 194 control channel, 292 control codes, Telnet, 277 controllers, URL dispatch, 190 Cookie: headers, 158, 160 CookieJar, 158 cookielib, 158 cookies, 158–61, 186, 192 CORBA, 317 CouchDB, 136 create_folder(), 260 CR-LF. See \r\n sequence cross-scripting attacks, 88, 159, 160 cross-site scripting (XSS), 161 cryptography, public-key, 92 CSS (Cascading Style Sheets) compression, 154 selectors, 169, 173 cwd(), 295, 301 ■ D daemons backoff and, 25 mod_wsgi daemon mode, 182 programming, 99 supervisor, 99 data abstraction, 189 data channel, 292 data types in RPC systems, 311, 316 database browsers, 191 datagrams, 20. See also UDP (User Datagram Protocol) date data type in RPC systems, 312 Date: header e-mail, 200, 201, 203, 259 website, 155 deadlock in TCP, 44–47, 76 debugging e-mail, 199 SMTP, 225–28 Telnet, 276 web servers and, 186, 193 decode_header(), 215 decode(), 72 decoding e-mail, 213–16 decorators, caching with, 128 deep nesting, 171 deferreds, 116 delays, adjusting for backoff, 24 DELETE, 151 dele(), 239 delete(), 302 delete_folder(), 260 \Deleted flag, 259 DELETED search criteria, 259 deleting caching and, 156 directories and files in FTP, 302 frameworks and, 189 IMAP folders, 260 messages with IMAP, 258, 260 messages with POP, 239 delimiters, framing, 77, 79 Deliverance, 186 Delivered-to: header, 223 denial-of-service attacks, 89 dependency injection, 192 326
■ INDEX Design Pattern, 187 detecting directories in FTP, 301 DF flag, 13 DHCP nameserver information, 64 dictionaries, passing, 311, 312, 315 dictionary keys, 111 digest authentication, 158 digest multipart subtype, 256 dir(), 299 directories creating/deleting, 302 information in FTP, 300–302 renaming, 302 DirectoriesFTP, 299 display_structure(), 257 Dive into Python, 138 Django caching errrors, 155 interface, 191 tables and, 187 URL dispatch, 189 django-cache-utils, 128 DNS (Domain Name System), 63–70 disadvantages, 65 Dynamic DNS, 70 load balancing and, 117 mail domains, 66, 67, 68 man-in-the-middle attacks, 91 multicast, 64, 70 uses, 66 Zeroconf, 70 dnspython, 66 DocXMLRPCServer, 193, 308 DOM (Domain Object Module), 169 Domain Name System. See DNS domain names, 51, 59, 63-70. See also hostnames Domain Object Module, 169 don't fragment flag. See DF flag don't route socket option, 32 downloading FTP, 291–303 messages with IMAP, 243, 250–57, 250 messages with POP, 239 recursive, 291, 301 urllib2, 293 web page content, 163–67. See also screen scraping \Draft flag, 257, 259 DRAFT search criteria, 259 duck typing, 192 duplicate requests protecting against with request IDs, 27 in UDP, 23, 27 Dynamic DNS, 70 dynamic web page elements, 181, 191, 193 dyndns.com, 70 dyndnsc, 70 ■ E edit(), 190 editing, command-line, 272 EHLO, 228–29, 230, 233 element trees, HTML, 167, 168–73 ElementTree, 169, 174 elm, 218 e-mail. See also headers, e-mail authentication, 219, 221, 232, 235, 245 clients, 218 composing, 200–202, 206–8 decoding, 213–16 deleting folders, 260 deleting messages, 239, 258 downloading messages, 239, 250–57 EHLO, 228–29 encryption, 230–32 error handling, 225–28, 233 flags, IMAP, 243, 244, 247, 249, 251, 257 flags, POP, 235, 237, 239 folders, 243, 247, 249, 260 history, 197, 217–20 IMAP, 243–62 327
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Foundations of Python Network Progr
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To the Python community for creatin
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Contents ■Contents at a Glance ..
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■ CONTENTS Asking getaddrinfo() W
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■ CONTENTS Using Message Queues f
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■ CONTENTS Parsing Dates ........
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■ CONTENTS Telnet ...............
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About the Authors ■ Brandon Craig
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Acknowledgements This book owes its
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■ INTRODUCTION If you do know som
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCTION TO CLIEN
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C H A P T E R 2 ■ ■ ■ UDP The
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CHAPTER 2 ■ UDP server with SSH.
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CHAPTER 2 ■ UDP them anywhere in
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CHAPTER 2 ■ UDP command-line argu
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CHAPTER 2 ■ UDP » » » » raise
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CHAPTER 2 ■ UDP world itself give
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CHAPTER 2 ■ UDP socket that is no
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CHAPTER 2 ■ UDP So binding to an
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CHAPTER 2 ■ UDP s.connect((hostna
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CHAPTER 2 ■ UDP else: » print >>
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C H A P T E R 3 ■ ■ ■ TCP The
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CHAPTER 3 ■ TCP situation), and t
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CHAPTER 3 ■ TCP » reply = recv_a
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CHAPTER 3 ■ TCP guess when the in
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CHAPTER 3 ■ TCP the system has no
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CHAPTER 3 ■ TCP » » » print '\
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CHAPTER 3 ■ TCP $ python tcp_dead
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CHAPTER 3 ■ TCP Using TCP Streams
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CHAPTER 4 ■ SOCKET NAMES AND DNS
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CHAPTER 5 ■ NETWORK DATA AND NETW
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C H A P T E R 6 ■ ■ ■ TLS and
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CHAPTER 6 ■ TLS AND SSL systems a
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CHAPTER 6 ■ TLS AND SSL • He wi
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CHAPTER 6 ■ TLS AND SSL discussio
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CHAPTER 6 ■ TLS AND SSL • The s
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CHAPTER 6 ■ TLS AND SSL The Links
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C H A P T E R 7 ■ ■ ■ Server
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CHAPTER 7 ■ SERVER ARCHITECTURE P
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CHAPTER 7 ■ SERVER ARCHITECTURE
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CHAPTER 7 ■ SERVER ARCHITECTURE N
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CHAPTER 7 ■ SERVER ARCHITECTURE L
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CHAPTER 7 ■ SERVER ARCHITECTURE F
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CHAPTER 7 ■ SERVER ARCHITECTURE p
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CHAPTER 7 ■ SERVER ARCHITECTURE N
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CHAPTER 7 ■ SERVER ARCHITECTURE L
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CHAPTER 7 ■ SERVER ARCHITECTURE s
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CHAPTER 7 ■ SERVER ARCHITECTURE c
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C H A P T E R 8 ■ ■ ■ Caches,
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CHAPTER 8 ■ CACHES, MESSAGE QUEUE
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C H A P T E R 9 ■ ■ ■ HTTP Th
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CHAPTER 9 ■ HTTP Here, the URL sp
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CHAPTER 9 ■ HTTP Relative URLs Ve
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CHAPTER 9 ■ HTTP From now on, I a
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CHAPTER 9 ■ HTTP • 303 See Othe
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CHAPTER 9 ■ HTTP You cannot tell
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CHAPTER 9 ■ HTTP Instead of stuff
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CHAPTER 9 ■ HTTP POST And APIs Al
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CHAPTER 9 ■ HTTP Content Type Neg
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CHAPTER 9 ■ HTTP HTTP Caching Man
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CHAPTER 9 ■ HTTP If the connectio
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CHAPTER 9 ■ HTTP >>> import cooki
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CHAPTER 9 ■ HTTP So the technique
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C H A P T E R 10 ■ ■ ■ Screen
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CHAPTER 10 ■ SCREEN SCRAPING Figu
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CHAPTER 10 ■ SCREEN SCRAPING cont
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CHAPTER 10 ■ SCREEN SCRAPING Thir
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CHAPTER 10 ■ SCREEN SCRAPING Ther
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CHAPTER 10 ■ SCREEN SCRAPING Beau
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CHAPTER 10 ■ SCREEN SCRAPING If y
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CHAPTER 10 ■ SCREEN SCRAPING Cond
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C H A P T E R 11 ■ ■ ■ Web Ap
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CHAPTER 11 ■ WEB APPLICATIONS Thi
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CHAPTER 11 ■ WEB APPLICATIONS But
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CHAPTER 11 ■ WEB APPLICATIONS the
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CHAPTER 11 ■ WEB APPLICATIONS •
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CHAPTER 11 ■ WEB APPLICATIONS hig
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CHAPTER 11 ■ WEB APPLICATIONS The
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CHAPTER 11 ■ WEB APPLICATIONS the
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CHAPTER 11 ■ WEB APPLICATIONS The
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C H A P T E R 12 ■ ■ ■ E-mail
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CHAPTER 12 ■ E-MAIL COMPOSITION A
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C H A P T E R 13 ■ ■ ■ SMTP A
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CHAPTER 13 ■ SMTP anyway. Outgoin
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CHAPTER 13 ■ SMTP How SMTP Is Use
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CHAPTER 13 ■ SMTP This mechanism
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CHAPTER 13 ■ SMTP s = smtplib.SMT
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CHAPTER 13 ■ SMTP ETRN STARTTLS X
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CHAPTER 13 ■ SMTP » s = smtplib.
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CHAPTER 13 ■ SMTP exchange mail o
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CHAPTER 13 ■ SMTP username = sys.
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C H A P T E R 14 ■ ■ ■ POP PO
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CHAPTER 14 ■ POP ■ Caution! Whi
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CHAPTER 14 ■ POP finally: » p.qu
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CHAPTER 14 ■ POP Subject: Backup
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CHAPTER 15 ■ IMAP THE IMAP PROTOC
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CHAPTER 15 ■ IMAP '(\\HasNoChildr
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CHAPTER 15 ■ IMAP Examining Folde
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CHAPTER 15 ■ IMAP Listing 15-5. D
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CHAPTER 15 ■ IMAP key that IMAP h
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CHAPTER 15 ■ IMAP » » print def
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CHAPTER 15 ■ IMAP » From: Brando
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CHAPTER 15 ■ IMAP • \Flagged: T
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CHAPTER 15 ■ IMAP An IMAP message
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CHAPTER 15 ■ IMAP display or summ
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CHAPTER 16 ■ TELNET AND SSH cloud
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CHAPTER 16 ■ TELNET AND SSH Unix
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CHAPTER 16 ■ TELNET AND SSH Do yo
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CHAPTER 16 ■ TELNET AND SSH As we
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CHAPTER 16 ■ TELNET AND SSH tabif
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Page 310 and 311: CHAPTER 17 ■ FTP The biggest prob
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Page 314 and 315: CHAPTER 17 ■ FTP if os.path.exist
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Page 318 and 319: CHAPTER 17 ■ FTP Windows servers
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Page 322 and 323: C H A P T E R 18 ■ ■ ■ RPC Re
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Page 326 and 327: CHAPTER 18 ■ RPC The SimpleXMLRPC
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Page 336 and 337: CHAPTER 18 ■ RPC such as Python i
Page 338 and 339: CHAPTER 18 ■ RPC • Google Proto
Page 340 and 341: ■ INDEX mod_python, 194 Qpid, 131
Page 344 and 345: ■ INDEX international characters
Page 346 and 347: ■ INDEX front-end web servers, 17
Page 348 and 349: ■ INDEX deleting folders, 260 del
Page 350 and 351: ■ INDEX mechanize, 138, 163 Memca
Page 352 and 353: ■ INDEX pausing terminal output,
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Page 360 and 361: ■ INDEX ■ V validating cached r
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