Foundations of Python Network Programming

Domain Name Service (DNS), 247
Domain Name System (DNS)
definition, 67
getaddrinfo() function, 67
multicast DNS, 68
OS benefits, 69
POSIX system, 68
query making, 69
resolving mail domains, 71
server IP addresses, 67
TLDs, 68
UDP packet, 69
do_POST() methods, 169

„„„„„„„„„E

Elliptic curve Diffie–Hellman
exchange (ECDHE), 105
E-mail message
add content, 232
aztec machine, 224
building, 225
europa machine, 225
facts, 223
header encodings, 237
headers, 225
HTML and multimedia
add_alternative(), 228
add_attachment(), 228
add_related(), 227
boundary string, 227
build_mime_email.py, 229
email.message.MIMEPart, 227
MIME-Powered E-Mail, 228
MIME-Version header, 230
multipart/alternative content, 230
set_content(), 227
iter_attachments() method, 234
MIME parts
Content-Disposition header, 236
get_content_maintype(), 235
get_content() method, 236
get_content_subtype(), 235
get_content_type(), 235
get_payload() method, 237
is_multipart() method, 235
iter_parts() method, 235
multipart method, 236
walk() method, 236
parsing
binary mode, 234
body and attachments, 233
get_body() method, 234
HTML version, 235
KeyError, 234

message displays, 234

multipart/related, 234

preferencelist, 234

parsing dates, 239

received mail, 224

SMTP connection, 225

Extensible Markup Language (XML), 188

„„„„„„„„„F

FETCH command, 275

fileno() method, 20

File Transfer Protocol (FTP)

advanced binary downloading, 321

advanced binary uploading, 324

ASCII file, 320

binary file, 321

communication channels, 318

creation and deletion of directories, 329

cwd(), 328

disadvantages, 317

FTP_TLS class, 330

handling errors, 325

Python module, 319

scanning directories, 326

uploading data, 323

find_all() method, 217

flash() function, 202

Flask render_template() function, 203

FTP. See File Transfer Protocol (FTP)

FTP_TLS object, 107

„„„„„„„„„G

get_flashed_messages() function, 202

GET() function, 220

GET method, 155

getpeercert() method, 107

getpeername() method, 45

getsockname() method, 22, 45

get_text() method, 217

Google Maps, 6

Green Unicorn/gunicorn server, 173–174

„„„„„„„„„H

Hashing and sharding, 140

HEAD method, 155

Heroku, 176

HTTP clients

authentication

Basic Authentication, 164

definition, 163

Digest access authentication, 164

RFC 7235, 164

■ index

350