CGI 499

ProxyHandler ( ).

, Py thon, urllib.request - get post, . - get, URL, . - post, :

>>> from urllib.request import urlopen>>> from urllib.parse import urlencode>>> params = urlencode({'user': 'Brian'})>>> params'user=Brian'>>>>>> print(urlopen('http://localhost/cgi-bin/tutor3.py', params).read().decode())tutor3.pyGreetings

Hello, Brian.

, - cook-ies ( ), - urllib.request , - Py thon, - cookies . - , . , HTTP (HTTPS), - ( ). - Py thon. cookies -, HTTPS.

- . CGI- - . , - , - . HTML 15.9 .

15.9.PP4E\Internet\Web\tutor4.html

CGI 101

500 15.

A second user interaction: tables

Enter your name: Enter your age:

, , - , . , -, . 15.10. - , - - tkinter, .

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( Send ( -)) 15.10 , .

CGI 501

15.10.PP4E\Internet\Web\cgibin\tutor4.py

#!/usr/bin/python""" , , HTML;URL http://servername/cgibin/tutor4.py"""

import cgi, syssys.stderr = sys.stdout # # form = cgi.FieldStorage() # print('Contenttype: text/html\n') #

# class dummy:# def __init__(self, s): self.value = s# form = {'user': dummy('bob'), 'age':dummy('10')}

html = """tutor4.pyGreetings

%s%s%s"""

if not 'user' in form: line1 = 'Who are you?'else: line1 = 'Hello, %s.' % form['user'].value

line2 = "You're talking to a %s server." % sys.platform

line3 = ""if 'age' in form: try: line3 = "Your age squared is %d!" % (int(form['age'].value) ** 2) except: line3 = "Sorry, I can't compute %s ** 2." % form['age'].value

print(html % (line1, line2, line3))

HTML, CGI-- Py thon. , - HTML , , - . , - , . 15.11.

502 15.

.15.11.,tutor4.py

, CGI- URL. . 15.12 , - URL:

http://localhost/cgibin/tutor4.py?user=Joe+Blow&age=30

.15.12.,tutor4.pyURL

CGI 503

, ? -; &. , - , user +. URL. + . - , URL, - . 15.10 CGI, , - , - CGI. .

CGI

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CGI - , - CGI , . - , ev al exec, - , , os.popen os.system, . - , int float, , Py thon.

CGI

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504 15.

, , . - , - , CGI. 15.10 - :

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, HTML, - . , Py thon - : , python somescript.cgi - .

sys.stderrsys.stdout

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CGI 505

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CGI

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CGI

CGI , - CGI . , cgi.print_form(form) -, , cgi.test() - , , . , . - .

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1 CGI. 12 - , Py thon HTML, Py thon Server Pages. , - - , ( , htm.parser, Py thon - 19) , API, .

506 15.

CGI- - print , Py thon. , Content-type , - . - - HTML .

, - , . - , , - .

. HTML - ( - ) , . CGI, - . , - HTML CGI- Py-thon . HTML 15.11.

15.11.PP4E\Internet\Web\tutor5a.html

CGI 101

Common input devices

Please complete the following form and click Send Name: Shoe size: Small Medium Large

CGI 507

Occupation: Developer Manager Student Evangelist Other Political affiliations: Pythonista Perlmonger Tcler Comments: Enter text here

, . 15.13

, , , , . HTML name, , . Send ( -), 15.12, - , .

15.12.PP4E\Internet\Web\cgibin\tutor5.py

#!/usr/bin/python""" , , HTML"""

import cgi, sysform = cgi.FieldStorage() # print("Contenttype: text/html") #

508 15.

html = """tutor5.pyGreetings

Your name is %(name)sYou wear rather %(shoesize)s shoesYour current job: %(job)sYou program in %(language)sYou also said:%(comment)s"""

data = {}for field in ('name', 'shoesize', 'job', 'language', 'comment'): if not field in form: data[field] = '(unknown)' else: if not isinstance(form[field], list): data[field] = form[field].value else: values = [x.value for x in form[field]] data[field] = ' and '.join(values)print(html % data)

.15.13.,tutor5a.html

CGI 509

Py thon ; data, . :

, - in . , URL.

- , %(name)s - name .

, - , . - , - language , cgi.FieldStorage value, - value.

-, - join , and - ( , Py thon and Tcl). , - , map(lambda x: x.value, form[field]).

, FieldStorage - getfirst getlist, , - , ( Py thon). , , , - . - , - HTML , HTML. .

, , . 15.14, , , .

510 15.

.15.14.,tutor5.py(1)

, , , - , , - , . . CGI ( HTML) ( CGI), . HTML, - CGI . , 15.13 - , - , .

15.13.PP4E\Internet\Web\tutor5b.html

CGI 101

Common input devices: alternative layoutUse the same tutor5.py server side script, but change thelayout of the form itself. Notice the separation of user interfaceand processing logic here; the CGI script is independent of theHTML used to interact with the user/client.

Please complete the following form and click Submit

CGI 511

Name: Shoe size: Small Medium Large Occupation: Developer Manager Student Evangelist Other Political affiliations: Pythonista Perlmonger Tcler Comments: Enter spam here

, , . 15.15.

, HTML , , HTML, - , , - , action - URL. Submit ( ) - CGI-- Py thon tutor5.cgi ( 15.12).

, - , -. , , -, HTML , Py-thon, . . 15.16 , .

512 15.

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CGI 513

, , - : , HTML -, -, . - , , , .

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URL

CGI- , URL, - , ?. - - . , URL , - .

514 15.

, - , 15.14, ( ), tutor5.py, .

15.14.PP4E\Internet\Web\tutor5c.html

CGI 101

: URL

tutor5.py, URL ( ). View Source ( HTML), .

CGI, Python. , cgi Python ( , GET action ), POST ; CGI Python . , cgi .

, URL , , CGI, ; 'hidden' .

Send Bob, smallSend Tom, Python

Send Evangelist, spam

HTML , , (- , -). URL , . 15.17. CGI. ( - , : , .)

, . 15.18. CGI

CGI 515

name, Tom, language, Py-thon, - URL, HTML . - , , , , , . , URL , . 15.18.

.15.17.,tutor5c.html

, . tutor5.py , unknown . , CGI- Py thon. - - , , URL - . - CGI - , CGI.

URL, 15.14, HTML . URL CGI- , , , . -

516 15.

- . - , .

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, , HTML . , . , - 15.15 job, name lan gu age , .

15.15.PP4E\Internet\Web\tutor5d.html

CGI 101

:

tutor5.py, , , URL . , , , CGI, ; .

CGI 517

, 15.15, , , . 15.19.

tutor5.py, ( 15.12), . - , . 15.20.

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518 15.

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CGI

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CGI 519

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520 15.

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URL

Cookies

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URL : - URL - , . - . - , GET.

CGI- - URL ( , - ).

CGI 521

- , - :

script = "onViewListLink.py"user = 'bob'mnum = 66pswd = 'xxx'site = ' pop.myisp.net'print('View %s' % (script, user, pswd, mnum, site, mnum))

URL - , :

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, , - . , , - URL, ; - , .

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522 15.

HTML- - , . :

print('' % urlroot)print('' % msgnum)print('' % user)print('' % site)print('' % pswd)

, - . , , - , - , - .

cookies ( ) - URL, -, HTML- . , - , - .

HTTP CookiesCookies, HTTP, - . - HTML - , , . cookies - .

, , , - cookies . - , cookies - , , . - , - , -, cookies.

CGI 523

HTTP cookies - , - HTTP. HTTP, cookies. - HTTP, cookies, . - , cookies, , HTML , HTTP. , cookies - - .

- Py thon , : - http.cookiejar HTTP cookies - , - , http.cookies - cookies . , urllib.request, , - URL cookies.

cookies

- , Firefox Internet Explorer, - , - cookies. - cookies . Cookies - HTTP :

Contenttype: text/htmlSetCookie: foo=bar;

...

Set-Cookie :

SetCookie: name=value; expires=date; path=pathname; domain=domainname; secure

domain , - cookies, path -, cookies. - , , cookies . cookies Py thon CGI cookies :

import http.cookies, timecook = http.cookies.SimpleCookie()

524 15.

cook['visited'] = str(time.time()) # print(cook.output()) # "SetCookie: visited=1276623053.89"print('Contenttype: text/html\n')

SimpleCookie , -, ( cookies), - Morsel ( cookies). Morsel , , - cookies: path doma in; expires, cookies ( cookies - ); . , Morsel , key value, - cookies . cookies Morsel , output cookies , - HTTP; - print __str__ . - :

>>> import http.cookies, time>>> cooks = http.cookies.SimpleCookie()>>> cooks['visited'] = time.asctime()>>> cooks['username'] = 'Bob'>>> cooks['username']['path'] = '/myscript'

>>> cooks['visited'].value'Tue Jun 15 13:35:20 2010'>>> print(cooks['visited'])SetCookie: visited="Tue Jun 15 13:35:20 2010">>> print(cooks)SetCookie: username=Bob; Path=/myscriptSetCookie: visited="Tue Jun 15 13:35:20 2010"

cookies

, cookies - HTTP, Cookie: name1=value1; name2=value2. :

Cookie: visited=1276623053.89

, cookies, . co ok ies CGI- HTTP_COOKIE, cookies, . Py thon :

import os, http.cookiescooks = http.cookies.SimpleCookie(os.environ.get("HTTP_COOKIE"))vcook = cooks.get("visited") # Morsel

CGI 525

if vcook != None:time = vcook.value

SimpleCookie cookies - Morsel , get None, , - cookies value Morsel.

cookies CGI

, , 15.16 CGI- , cookies - .

15.16.PP4E\Internet\Web\cgibin\cookies.py

""" , cookies ; , """

import http.cookies, oscookstr = os.environ.get("HTTP_COOKIE")cookies = http.cookies.SimpleCookie(cookstr)usercook = cookies.get("user") # ,

if usercook == None: # cookies = http.cookies.SimpleCookie() # Setcookie cookies['user'] = 'Brian' print(cookies) greeting = 'His name shall be... %s' % cookies['user']else: greeting = 'Welcome back, %s' % usercook.value

print('Contenttype: text/html\n') # print(greeting) # html

, - , - 15.1, URL http://localhost/cgibin/cookies.py ( urllib.request). cookies , - :

His name shall be... SetCookie: user=Brian

URL ( - (Reload)) :

526 15.

Welcome back, Brian

, cookies , , cookies - . - - .

cookies urllib.request

, urllib.request - URL - http.cookiejar cookies . - . , - cookies - cookies :

>>> from urllib.request import urlopen>>> reply = urlopen('http://localhost/cgi-bin/cookies.py').read()>>> print(reply)b'His name shall be... SetCookie: user=Brian\n'

>>> reply = urlopen('http://localhost/cgi-bin/cookies.py').read()>>> print(reply)b'His name shall be... SetCookie: user=Brian\n'

cookies cookies , -. :

>>> import urllib.request as urllib>>> opener = urllib.build_opener(urllib.HTTPCookieProcessor())>>> urllib.install_opener(opener)>>>>>> reply = urllib.urlopen('http://localhost/cgi-bin/cookies.py').read()>>> print(reply)b'His name shall be... SetCookie: user=Brian\n'

>>> reply = urllib.urlopen('http://localhost/cgi-bin/cookies.py').read()>>> print(reply)b'Welcome back, Brian\n'

>>> reply = urllib.urlopen('http://localhost/cgi-bin/cookies.py').read()>>> print(reply)b'Welcome back, Brian\n'

CGI 527

, urllib.request - - cookies cookies, , - , . , , , cookies Py thon . - .

, cookies . - , ( : 4 cookies, 300 cookies 20 cookies ). - , - cookies, . , , - . ( , cookies , - .) , cookies , , , - HTTP. cookies .

, cookies, cookies - Py thon . , HTML.

Py thon , . - 17. Py thon - , -, , - , - ZODB, SQL, MySQL, PostgreSQL, Oracle SQLite. , - , .

- . -

528 15.

( , ) - ( , ).

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CGI , - , - , . , Zope - , - 12, , - - , .

, FastCGI, - , mod_python Apache, - CGI- - CGI - . :

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CGI 529

, - - . FastCGI , , - - .

mod_python - Apache, - Py thon Apache. Py thon Apache, - . - , . - , , , Apa che - . mod_python - , Py thon Ser ver Pages (PSP) HTML, 12 .

, . , - , FastCGI, , , - , , . - CGI Py-thon , FastCGI, - .

, - - . :

- cookies - .

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530 15.

URL , , , cookies .

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Hello World . - , , ( ). , - -, Hello World, - .

, - , - . , , . Py thon - , - .

HTML CGI- Py thon, HTML. - - - , . HTML, 15.17, - , .

15.17.PP4E\Internet\Web\languages.html

Languages

Hello World selector

, "hello world" . ( , ) , ( HTML). HTML; , , CGI Python, . :

Hello World 531

HTML , 'View Source' (' ' ' HTML') . Python CGI, , . , , .

Select a programming language: All Python Python2 Perl Tcl Scheme SmallTalk Java C C++ Basic Fortran Pascal Other

- , , - . HTML - , . 15.21.

Submit Query ( ) - , HTML. , Submit Query ( ) ( Enter), - CGI , action . - 15.18 Py thon, - .

532 15.

.15.21.HelloWorld

15.18.PP4E\Internet\Web\cgibin\languages.py

#!/usr/bin/python""" 'hello world' ; , "" r'...', '\n' , cgi.escape(), , '

Hello World 533

'Java': r' System.out.println("Hello World"); ', 'C': r' printf("Hello World\n"); ', 'C++': r' cout

534 15.

Py thon HTML \n. , - , Py thon.

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536 15.

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C:\...\PP4E\Internet\Web\cgibin> python languages.py AllContenttype: text/html

1 , All, False debugme . CGI cgi.FieldStorage , , - . .

Hello World 537

LanguagesSyntaxC printf("Hello World\n");

Java System.out.println("Hello World");

C++ cout > from urllib.request import urlopen>>> request = 'http://localhost/cgi-bin/languages.py?language=Python'>>> reply = urlopen(request).read()>>> print(reply.decode())LanguagesSyntaxPython print('Hello World')

, - , CGI. -, HTML, - GuiDO ( -, View Source ( HTML- ) , URL ):

>>> request = 'http://localhost/cgi-bin/languages.py?language=GuiDO'>>> reply = urlopen(request).read()>>> print(reply.decode())LanguagesSyntaxGuiDOSorryI don't know that language

, All ( -, URL ?language= ):

>>> reply = urlopen('http://localhost/cgi-bin/languages.py').read()>>> print(reply.decode())LanguagesSyntaxC printf("Hello World\n");

Java System.out.println("Hello World");

C++ cout import cgi, html.parser>>> s = cgi.escape("1

HTML URL 555

>>> s'1>> urllib.parse.quote_plus("uploads/index.txt")'uploads%2Findex.txt'>>> urllib.parse.quote("uploads/index.txt")'uploads/index.txt'>>>>>> urllib.parse.quote_plus("uploads/index.txt", '/')'uploads/index.txt'>>> urllib.parse.quote("uploads/index.txt", '/')'uploads/index.txt'>>> urllib.parse.quote("uploads/index.txt", '')'uploads%2Findex.txt'>>>>>> urllib.parse.quote_plus("uploads\index.txt")'uploads%5Cindex.txt'>>> urllib.parse.quote("uploads\index.txt")'uploads%5Cindex.txt'>>> urllib.parse.quote_plus("uploads\index.txt", '\\')'uploads\\index.txt'

, Py thon cgi - URL + . cgi.FieldStorage - urllib.parse , URL. CGI , URL, . , CGI , - URL.

URL, HTML

, , HTML URL. URL HTML? , , - URL, HTML? - , - URL, . , languages2.py HTML, URL:

URL HTML, , ,

HTML URL 557

HTML ( , < - > from html.parser import HTMLParser>>> html = open('test-escapes.html').read()>>> HTMLParser().unescape(html)'\nhello\n'

? , , &, - HTML:

hello

Py thon ( testescapes2.html, ), - HTML - :

file.py?name=a&job=b&amp=c&sect=d&lt=e IEChrome

>>> h = 'hello'>>> HTMLParser().unescape(h)'hello'

- HTML URL ( Py thon urlib.parse, cgi) - & . , , - , URL, HTML ( - ;):

file.py?name=a;job=b;amp=c;sect=d;lt=e

HTML URL 559

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15.24.PP4E\Internet\Web\badlink.html

unescaped

escaped

alternative

- CGI, 15.25. , , , - ( - 15.1 ).

15.25.PP4E\Internet\Web\cgibin\badlink.py

import cgi, sysform = cgi.FieldStorage() # # stderr; stodout=reply pagefor name in form.keys(): print('[%s:%s]' % (name, form[name].value), end=' ', file=sys.stderr)

( , ) , - HTML - Internet Explorer. - HTML URL, HTML - - HTML , -

560 15.

( Chrome , , ASCII, - ):

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561

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HTML, - . , - CGI ( )? , - CGI - HTML, - . 15.26, - language.html, , - HTML. cgi.escape HTML.

562 15.

15.26.PP4E\Internet\Web\cgibin\languagessrc.py

#!/usr/bin/python" languages.py ."

import cgifilename = 'cgibin/languages.py'

print('Contenttype: text/html\n') # HTMLprint('Languages')print("Source code: '%s'" % filename)print('')print(cgi.escape(open(filename).read())) # print('') #

- , Windows, filename ( - cgibin - ). - , 15.17 URL -, , CGI. . 15.27.

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563

, - cgi.escape, - HTML . , , - HTML, HTML. , C++ < , . cgi.escape >> import os>>> os.path.samefileAttributeError: 'module' object has no attribute 'samefile'>>> os.getcwd()'C:\\...\\PP4E\\dev\\Examples\\PP4E\\Internet\\Web'>>>>>> x = os.path.abspath('../Web/PYMailCgi/cgi-bin/secret.py').lower()>>> y = os.path.abspath('PyMailCgi/cgi-bin/secret.py').lower()>>> z = os.path.abspath('./PYMailCGI/cgi-bin/../cgi-bin/SECRET.py').lower()>>> x'c:\\...\\dev\\examples\\pp4e\\internet\\web\\pymailcgi\\cgibin\\secret.py'>>> y'c:\\...\\dev\\examples\\pp4e\\internet\\web\\pymailcgi\\cgibin\\secret.py'>>> z'c:\\...\\dev\\examples\\pp4e\\internet\\web\\pymailcgi\\cgibin\\secret.py'>>>>>> x == y, y == z(True, True)

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15.29.PP4E\Internet\Web\putfile.html

Putfile: upload page

Select client file to be uploaded

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573

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15.30.PP4E\Internet\Web\cgibin\putfile.py

#!/usr/bin/python"""############################################################################ , HTTP; putfile.html, , ; : ; , : Unix 'chmod 777 uploads' ; : ;

: , ,

574 15.

, cgi str, cgi 3.1 ;############################################################################"""

import cgi, os, sysimport posixpath, ntpath, macpath # debugmode = False # True= loadtextauto = False # True= uploaddir = './uploads' #

sys.stderr = sys.stdout # form = cgi.FieldStorage() # print("Contenttype: text/html\n") # if debugmode: cgi.print_form(form) #

# html

html = """Putfile response page

Putfile response page%s"""

goodhtml = html % """Your file, '%s', has been saved on the server as '%s'.An echo of the file's contents received and saved appears below.

%s

"""

#

def splitpath(origpath): # for pathmodule in [posixpath, ntpath, macpath]: # basename = pathmodule.split(origpath)[1] # if basename != origpath: return basename # return origpath #

def saveonserver(fileinfo): # data basename = splitpath(fileinfo.filename) # srvrname = os.path.join(uploaddir, basename) # , srvrfile = open(srvrname, 'wb') # if loadtextauto: filetext = fileinfo.value # if isinstance(filetext, str): # Python 3.1 filedata = filetext.encode()

575

srvrfile.write(filedata) # else: # numlines, filetext = 0, '' # . while True: # str line = fileinfo.file.readline() # for if not line: break if isinstance(line, str): # Python 3.1 line = line.encode() srvrfile.write(line) filetext += line.decode() # numlines += 1 filetext = ('[Lines=%d]\n' % numlines) + filetext srvrfile.close() os.chmod(srvrname, 0o666) # : 'nobody' return filetext, srvrname

def main(): if not 'clientfile' in form: print(html % 'Error: no file was received') elif not form['clientfile'].filename: print(html % 'Error: filename is missing') else: fileinfo = form['clientfile'] try: filetext, srvrname = saveonserver(fileinfo) except: errmsg = 'Error%s%s' % tuple(sys.exc_info()[:2]) print(html % errmsg) else: print(goodhtml % (cgi.escape(fileinfo.filename), cgi.escape(srvrname), cgi.escape(filetext)))main()

- , Py thon. - : , - cgi.FieldStorage , ; clientfile, - name HTML.

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580 15.

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testcgiuploadsbug0.html/py , - , , , , - , email str

582 15.

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586 16. PyMailCGI

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16.1.PP4E\Internet\Web\PyMailCgi\pageflow.txt

[pymailcgi.html] => [onRootViewLink.py] => [onViewPswdSubmit.py] ( ) => [onViewListLink.py] +=del|reply|fwd () => [onViewPageAction.py] + (del) => [onEditPageSend.py] ( ) => => [onRootSendLink.py] => [onEditPageSend.py] ( ) =>

, => - .

588 16. PyMailCGI

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HTML.

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590 16. PyMailCGI

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596 16. PyMailCGI

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http://localhost/languages.htmlhttp://localhost/cgibin/languages.py?language=All

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http://localhost:8000/pymailcgi.htmlhttp://localhost:8000/cgibin/onRootSendLink.py

- PyMailCGI 597

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598 16. PyMailCGI

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16.2.PP4E\Internet\Web\PyMailCgi\pymailcgi.html

PyMailCGI Main Page

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599

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600 16. PyMailCGI

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[Book][O'Reilly]

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601

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602 16. PyMailCGI

mailconfig.py, - . . , - , , .

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16.3.PP4E\Internet\Web\PyMailCgi\cgibin\onRootSendLink.py

#!/usr/bin/python"""############################################################################ 'send' : ############################################################################"""

import commonhtmlfrom externs import mailconfig

commonhtml.editpage(kind='Write', headers={'From': mailconfig.myaddress})

, . , commonhtml externs. , - editpage, myaddress From.

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604 16. PyMailCGI

16.4.PP4E\Internet\Web\PyMailCgi\cgibin\onEditPageSend.py

#!/usr/bin/python"""############################################################################ : , ;

2.0+: mailtools , ; MIME;

3.0: CGI cgi py3.1, ( , cgi, ); 3.0: , ;############################################################################"""

import cgi, sys, commonhtml, osfrom externs import mailtools

savedir = 'partsupload'if not os.path.exists(savedir): os.mkdir(savedir)

def saveAttachments(form, maxattach=3, savedir=savedir): """ , mailtools ; FieldStorage 3.1 cgi , , ; """ partnames = [] for i in range(1, maxattach+1): fieldname = 'attach%d' % i if fieldname in form and form[fieldname].filename: fileinfo = form[fieldname] # ? filedata = fileinfo.value # filename = fileinfo.filename # if '\\' in filename: basename = filename.split('\\')[1] # DOS elif '/' in filename: basename = filename.split('/')[1] # Unix else: basename = filename # ,

SMTP 605

pathname = os.path.join(savedir, basename) if isinstance(filedata, str): # 3.0: rb bytes filedata = filedata.encode() # 3.0: . ? savefile = open(pathname, 'wb') savefile.write(filedata) # with savefile.close() # EIBTI1 os.chmod(pathname, 0o666) # . . partnames.append(pathname) # return partnames #

#commonhtml.dumpstatepage(0)form = cgi.FieldStorage() # attaches = saveAttachments(form) # cgi.print_form(form),

# URL, GETsmtpservername = commonhtml.getstandardsmtpfields(form)

# , URLfrom commonhtml import getfield # From = getfield(form, 'From') # To = getfield(form, 'To')Cc = getfield(form, 'Cc')Subj = getfield(form, 'Subject')text = getfield(form, 'text')if Cc == '?': Cc = ''

# 3.0: ascii utf8 mailtools parser = mailtools.MailParser()Tos = parser.splitAddresses(To) # : ','Ccs = (Cc and parser.splitAddresses(Cc)) or ''extraHdrs = [('Cc', Ccs), ('XMailer', 'PyMailCGI 3.0')]

# 3.0: ; # =ascii mailtoolsbodyencoding = 'ascii'try: text.encode(bodyencoding) # ascii ( latin1?)except (UnicodeError, LookupError): # . utf8 ( ?) bodyencoding = 'utf8' # : # , PyMailGUI

# 3.0: utf8 ; # attachencodings = ['utf8'] * len(attaches) # #

# sender = mailtools.SilentMailSender(smtpservername)

1 Explicit Is Better Than Implicit ( -) Py thon. ..

606 16. PyMailCGI

try: sender.sendMessage(From, Tos, Subj, extraHdrs, text, attaches, bodytextEncoding=bodyencoding, attachesEncodings=attachencodings)except: commonhtml.errorpage('Send mail error')else: commonhtml.confirmationpage('Send mail')

( - URL) - Py thon smtplib mailtools. - mailtools 13, . , - - sentmail.txt PyMailCGI - , .

2.0 saveAttachments -, , . , , - . - CGI 15 , ( - Py thon 3.1 - ). - mailtools .

commonhtml SMTP, - , mailconfig - ( URL). , , . 16.4.

sentmail.txt PyMailCGI, , ( -, PyMailGUI). - UTF-8 MIME Base64, - ASCII, .

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SMTP 607

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608 16. PyMailCGI

.16.5.PyMailCGI

commonhtml - , . , : - , - - , Py thon . - commonhtml, , ( HTML).

, - - commonhtml, . , , 16.14. , - .

SMTP 609

PyMail-CGI , . , , - URL; CGI, mailconfig, - . , URL ( - ):

http://localhost:8000/cgibin/ onEditPageSend.py?site=smtp.rmi.net& From=lutz@rmi.net& To=lutz@rmi.net& Subject=test+url& text=Hello+Mark;this+is+Mark

- , URL. , URL - , . 13 15, urllib.request URL - Py thon. 16.5 - .

16.5.PP4E\Internet\Web\PyMailCgi\sendurl.py

"""#################################################################### , URL :http://servername/pathname/ onEditPageSend.py?site=smtp.rmi.net& From=lutz@rmi.net& To=lutz@rmi.net& Subject=test+url& text=Hello+Mark;this+is+Mark####################################################################"""

from urllib.request import urlopenfrom urllib.parse import quote_plus

url = 'http://localhost:8000/cgibin/onEditPageSend.py'url += '?site=%s' % quote_plus(input('Site>'))url += '&From=%s' % quote_plus(input('From>'))url += '&To=%s' % quote_plus(input('To >'))url += '&Subject=%s' % quote_plus(input('Subj>'))url += '&text=%s' % quote_plus(input('text>')) #

610 16. PyMailCGI

print('Reply html:')print(urlopen(url).read().decode()) # #

, CGI , - . sendurl.py , Py thon , - Py thon, . HTML, - CGI:

C:\...\PP4E\Internet\Web\PyMailCgi> sendurl.pySite>smtpout.secureserver.netFrom>PP4E@learning-python.comTo >lutz@learning-python.comSubj>testing sendurl.pytext>But sir, it's only wafer-thin...Reply html:PyMailCGI: Confirmation page (PP4E)PyMailCGI ConfirmationSend mail operation was successfulPress the link below to return to the main page.

Back to root page

HTML, , - , . , , ( , - successful find - in ), Py thon html.parse re ( 19) . , - PyMailGUI 14, - . 16.6 ( ).

, , - . , Py thon smtplib ( mailtools) - SMTP, - CGI ( - , CGI SMTP). CGI - URL, , HTML

POP 611

mailto:, urllib.request - - . , - sendurl.py , - .

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POP , . , POP.

POP , . 16.2, View..., -, 16.6:

16.6.PP4E\Internet\Web\PyMailCgi\cgibin\onRootViewLink.py

#!/usr/bin/python"""############################################################################ View... HTML: ;

HTML, ,

612 16. PyMailCGI

, ; , URL , , ;############################################################################"""

# pswdhtml = """

"%s" POP "%s".

, : , , , , : ( ), ( cookies). , ; PyMailCGI "" ("Back") ."""

# import commonhtml # :user, pswd, site = commonhtml.getstandardpopfields({}) # ,commonhtml.pageheader(kind='POP password input') # html|urlprint(pswdhtml % (commonhtml.urlroot, user, site))commonhtml.pagefooter()

HTML: - pswdhtml - , , . , - , , - HTML. commonhtml ( , URL ) mail config , HTML, HTML -. CGI Py thon HTML -, ( , PSP, , -, HTML Py thon, - ).

POP 613

, commonhtml, - , . 16.7.

.16.7.PyMailCGI

, - POP. , ; - HTML type=password, , - . ( pymail 13, , PyMail GUI 14, tkinter.)

Submit ( ) , - 16.7.

16.7.PP4E\Internet\Web\PyMailCgi\cgibin\onViewPswdSubmit.py

#!/usr/bin/python"""############################################################################ POP : ;

2.0+ , , , ;

614 16. PyMailCGI

, : (?) ; 3.0: , ;############################################################################"""

import cgiimport loadmail, commonhtmlfrom externs import mailtoolsfrom secret import encode # , MaxHdr = 35 #

# , formdata = cgi.FieldStorage()mailuser, mailpswd, mailsite = commonhtml.getstandardpopfields(formdata)parser = mailtools.MailParser()

try: newmails = loadmail.loadmailhdrs(mailsite, mailuser, mailpswd) mailnum = 1 maillist = [] # . enumerate() for mail in newmails: # msginfo = [] hdrs = parser.parseHeaders(mail) # email.message.Message addrhdrs = ('From', 'To', 'Cc', 'Bcc') # for key in ('Subject', 'From', 'Date'): rawhdr = hdrs.get(key, '?') if key not in addrhdrs: dechdr = parser.decodeHeader(rawhdr) # 3.0: . # else: # . dechdr = parser.decodeAddrHeader(rawhdr) # msginfo.append(dechdr[:MaxHdr]) msginfo = ' | '.join(msginfo) maillist.append((msginfo, commonhtml.urlroot + 'onViewListLink.py', {'mnum': mailnum, 'user': mailuser, # 'pswd': encode(mailpswd), # 'site': mailsite})) # URL, # mailnum += 1 commonhtml.listpage(maillist, 'mail selection list')except: commonhtml.errorpage('Error loading mail index')

POP 615

, ( - URL). , :

loadmail.loadmailhdrs

mailtools 13 - POP. - . , , , ( TOP POP, , , mailconfig, ).

commonhtml.listpage

HTML (, _URL, _) . URL .

maillist -. URL, , . , - .

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- ( , - ), - try .

. 16.9 , - Py thon - . , - sys.exc_info, - Py thon traceback.

616 16. PyMailCGI

.16.8.PyMailCGI,

.16.9.PyMailCGI

POP 617

URL-

, 16.7, - URL, . View ( ) , URL- -. 15, - , , , . . 16.10 HTML, - ( , - View Source ( HTML- ) - , Save As ( ) - Inter net Exp lorer).

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. 16.10? HTML, . - - , - , :

ViewAmong our weapons are these | Cardinal@hotmail.com | Fri, 07 May 2010 20:32...

618 16. PyMailCGI

PyMailCGI URL ( , commonhtml). View , HTML, - onViewListLink, , URL: POP, POP , , POP . , , - , cgi.FieldStorage. , POP mnum - , - , mailtools, - email.

commonhtml - urllib.parse, cgi.escape, - URL. pswd , urllib.parse URL ( - %xx). , URL . - , cgi.FieldStorage - URL, - %.

, commonhtml - . , urllib.parse.quote_plus - URL:

>>> import urllib.parse>>> urllib.parse.quote_plus("There's bugger all down here on Earth")'There%27s+bugger+all+down+here+on+Earth'

commonhtml urllib.parse.urlencode , , :-, , - URL ?. urlencode :

>>> parmdict = {'user': 'Brian',... 'pswd': '#!/spam',... 'text': 'Say no more, squire!'}>>> urllib.parse.urlencode(parmdict)'text=Say+no+more%2C+squire%21&pswd=%23%21%2Fspam&user=Brian'

POP 619

>>> "%s?%s" % ("http://scriptname.py", urllib.parse.urlencode(parmdict))'http://scriptname.py?text=Say+no+more%2C+squire%21&pswd=%23%21%2Fspam&user=Brian'

urlencode str ( ), , - , urllib.parse.quote_plus. CGI - commonhtml - .1

URL ( , - 15). - , - .

, - , PyMailGUI 14, - . . 16.11 , - , . 16.8, .

, PyMailGUI HTML , - tkinter. , POP . - - , PyMailGUI - . - - . , , , - , . Py Ma il GUI , , .

1 & URL cgi.escape, -- ( , &amp=high) - HTML. 15; , URL HTML.

620 16. PyMailCGI

.16.11.PyMailGUI

, PyMailCGI - - POP - , CGI. - - CGI PyMailCGI - , - . , - .

, onViewPswdSubmit ( 16.7) encode, URL . ( %, - ) - POP. - encode PyMail CGI.

Py thon ssl, - (Secure Sockets Layer, SSL) - - , . , . , -

POP 621

, , secret.py ( 16.13), - PyMailCGI. , - , Py thon , - HTTPS HTTP. - , - .

. , : , - . mailconfig, , - , - .

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PyMailCGI , - . - ( ), - .