Tools/faqwiz/faqmain.py - platform/external/python/cpython2 - Gitiles

 #! /depot/sundry/plat/bin/python1.4

 """Interactive FAQ project.

 XXX TO DO

 - use cookies to keep Name/email the same
 - explanation of editing somewhere
 - various embellishments, GIFs, crosslinks, hints, etc.
 - create new sections
 - rearrange entries
 - delete entries
 - log changes
 - send email on changes
 - optional staging of entries until reviewed?
 - review revision log and older versions
 - freeze entries
 - username/password for editors
 - Change references to other Q's and whole sections
 - Browse should display menu of 7 sections & let you pick
   (or frontpage should have the option to browse a section or all)
 - support adding annotations, too

 """

 import cgi, string, os

 NAMEPAT = "faq??.???.htp"
 NAMEREG = "^faq\([0-9][0-9]\)\.\([0-9][0-9][0-9]\)\.htp$"

 class FAQServer:

     def __init__(self):
 	pass

     def main(self):
 	self.form = cgi.FieldStorage()
 	req = self.req or 'frontpage'
 	try:
 	    method = getattr(self, 'do_%s' % req)
 	except AttributeError:
 	    print "Unrecognized request type", req
 	else:
 	    method()

     KEYS = ['req', 'query', 'name', 'text', 'commit', 'title',
 	    'author', 'email', 'log', 'section', 'number', 'add']

     def __getattr__(self, key):
 	if key not in self.KEYS:
 	    raise AttributeError
 	try:
 	    item = self.form[key]
 	    return item.value
 	except KeyError:
 	    return ''

     def do_frontpage(self):
 	print """
 	<TITLE>Python FAQ (alpha 1)</TITLE>
 	<H1>Python FAQ Front Page</H1>
 	<UL>
 	<LI><A HREF="faq.py?req=index">FAQ index</A>
 	<LI><A HREF="faq.py?req=all">The whole FAQ</A>
 	<LI><A HREF="faq.py?req=roulette">FAQ roulette</A>
 	<LI><A HREF="faq.py?req=recent">Recently changed FAQ entries</A>
 	<LI><A HREF="faq.py?req=add">Add a new FAQ entry</A>
 	</UL>

 	<H2>Search the FAQ</H2>

 	<FORM ACTION="faq.py?req=query">
 	<INPUT TYPE=text NAME=query>
 	<INPUT TYPE=submit VALUE="Search">
 	<INPUT TYPE=hidden NAME=req VALUE=query>
 	</FORM>

 	Disclaimer: these pages are intended to be edited by anyone.
 	Please exercise discretion when editing, don't be rude, etc.
 	"""

     def do_index(self):
 	print """
 	<TITLE>Python FAQ Index</TITLE>
 	<H1>Python FAQ Index</H1>
 	"""
 	names = os.listdir(os.curdir)
 	names.sort()
 	section = None
 	for name in names:
 	    headers, text = self.read(name)
 	    if headers:
 		title = headers['title']
 		i = string.find(title, '.')
 		nsec = title[:i]
 		if nsec != section:
 		    if section:
 			print """
 			<P>
 			<LI><A HREF="faq.py?req=add&amp;section=%s"
 			>Add new entry</A> (at this point)
 			</UL>
 			""" % section
 		    section = nsec
 		    print "<H2>Section %s</H2>" % section
 		    print "<UL>"
 		print '<LI><A HREF="faq.py?req=show&name=%s">%s</A>' % (
 		    name, cgi.escape(title))
 	if section:
 	    print """
 	    <P>
 	    <LI><A HREF="faq.py?req=add&amp;section=%s">Add new entry</A>
 	    (at this point)
 	    </UL>
 	    """ % section
 	else:
 	    print "No FAQ entries?!?!"

     def do_show(self):
 	name = self.name
 	headers, text = self.read(name)
 	if not headers:
 	    print "Invalid file name", name
 	    return
 	self.show(name, headers['title'], text, 1)

     def do_all(self):
 	print """
 	<TITLE>Python FAQ</TITLE>
 	<H1>Python FAQ</H1>
 	<HR>
 	"""
 	names = os.listdir(os.curdir)
 	names.sort()
 	section = None
 	for name in names:
 	    headers, text = self.read(name)
 	    if headers:
 		title = headers['title']
 		i = string.find(title, '.')
 		nsec = title[:i]
 		if nsec != section:
 		    section = nsec
 		    print "<H1>Section %s</H1>" % section
 		    print "<HR>"
 		self.show(name, title, text, 1)
 		n = n+1
 	if not section:
 	    print "No FAQ entries?!?!"

     def do_roulette(self):
 	import whrandom
 	print """
 	<TITLE>Python FAQ Roulette</TITLE>
 	<H1>Python FAQ Roulette</H1>
 	Please check the correctness of the entry below.
 	If you find any problems, please edit the entry.
 	<P>
 	<HR>
 	"""
 	names = os.listdir(os.curdir)
 	while names:
 	    name = whrandom.choice(names)
 	    headers, text = self.read(name)
 	    if headers:
 		self.show(name, headers['title'], text, 1)
 		print '<P><A HREF="faq.py?req=roulette">Show another one</A>'
 		break
 	    else:
 		names.remove(name)
 	else:
 	    print "No FAQ entries?!?!"

     def do_recent(self):
 	import fnmatch, stat
 	names = os.listdir(os.curdir)
 	now = time.time()
 	list = []
 	for name in names:
 	    if not fnmatch.fnmatch(name, NAMEPAT):
 		continue
 	    try:
 		st = os.stat(name)
 	    except os.error:
 		continue
 	    tuple = (st[stat.ST_MTIME], name)
 	    list.append(tuple)
 	list.sort()
 	list.reverse()
 	print """
 	<TITLE>Python FAQ, Most Recently Modified First</TITLE>
 	<H1>Python FAQ, Most Recently Modified First</H1>
 	<HR>
 	"""
 	n = 0
 	for (mtime, name) in list:
 	    headers, text = self.read(name)
 	    if headers:
 		self.show(name, headers['title'], text, 1)
 		n = n+1
 	if not n:
 	    print "No FAQ entries?!?!"

     def do_query(self):
 	import regex
 	print "<TITLE>Python FAQ Query Results</TITLE>"
 	print "<H1>Python FAQ Query Results</H1>"
 	query = self.query
 	if not query:
 	    print "No query string"
 	    return
 	p = regex.compile(query, regex.casefold)
 	names = os.listdir(os.curdir)
 	names.sort()
 	print "<HR>"
 	n = 0
 	for name in names:
 	    headers, text = self.read(name)
 	    if headers:
 		title = headers['title']
 		if p.search(title) >= 0 or p.search(text) >= 0:
 		    self.show(name, title, text, 1)
 		    n = n+1
 	if not n:
 	    print "No hits."

     def do_add(self):
 	section = self.section
 	if not section:
 	    print """
 	    <TITLE>How to add a new FAQ entry</TITLE>
 	    <H1>How to add a new FAQ entry</H1>

 	    Go to the <A HREF="faq.py?req=index">FAQ index</A>
 	    and click on the "Add new entry" link at the end
 	    of the section to which you want to add the entry.
 	    """
 	    return
 	try:
 	    nsec = string.atoi(section)
 	except ValueError:
 	    print "Bad section number", nsec
 	names = os.listdir(os.curdir)
 	max = 0
 	import regex
 	prog = regex.compile(NAMEREG)
 	for name in names:
 	    if prog.match(name) >= 0:
 		s1, s2 = prog.group(1, 2)
 		n1, n2 = string.atoi(s1), string.atoi(s2)
 		if n1 == nsec:
 		    if n2 > max:
 			max = n2
 	if not max:
 	    print "Can't add new sections yet."
 	    return
 	num = max+1
 	name = "faq%02d.%03d.htp" % (nsec, num)
 	self.name = name
 	self.add = "yes"
 	self.number = str(num)
 	self.do_edit()

     def do_edit(self):
 	name = self.name
 	headers, text = self.read(name)
 	if not headers:
 	    print "Invalid file name", name
 	    return
 	print """
 	<TITLE>Python FAQ Edit Form</TITLE>
 	<H1>Python FAQ Edit Form</H1>
 	"""
 	title = headers['title']
 	print "<FORM METHOD=POST ACTION=faq.py>"
 	self.showedit(name, title, text)
 	if self.add:
 	    print """
 	    <INPUT TYPE=hidden NAME=add VALUE=%s>
 	    <INPUT TYPE=hidden NAME=section VALUE=%s>
 	    <INPUT TYPE=hidden NAME=number VALUE=%s>
 	    """ % (self.add, self.section, self.number)
 	print """
 	<INPUT TYPE=submit VALUE="Review Edit">
 	<INPUT TYPE=hidden NAME=req VALUE=review>
 	<INPUT TYPE=hidden NAME=name VALUE=%s>
 	</FORM>
 	<HR>
 	""" % name
 	self.show(name, title, text)

     def do_review(self):
 	if self.commit:
 	    self.checkin()
 	    return
 	name = self.name
 	text = self.text
 	title = self.title
 	headers, oldtext = self.read(name)
 	if not headers:
 	    print "Invalid file name", name
 	    return
 	print """
 	<TITLE>Python FAQ Review Form</TITLE>
 	<H1>Python FAQ Review Form</H1>
 	<HR>
 	"""
 	self.show(name, title, text)
 	print "<FORM METHOD=POST ACTION=faq.py>"
 	if self.log and self.author and '@' in self.email:
 	    print """
 	    <INPUT TYPE=submit NAME=commit VALUE="Commit">
 	    Click this button to commit the change.
 	    <P>
 	    <HR>
 	    <P>
 	    """
 	else:
 	    print """
 	    To commit this change, please enter your name,
 	    email and a log message in the form below.
 	    <P>
 	    <HR>
 	    <P>
 	    """
 	self.showedit(name, title, text)
 	if self.add:
 	    print """
 	    <INPUT TYPE=hidden NAME=add VALUE=%s>
 	    <INPUT TYPE=hidden NAME=section VALUE=%s>
 	    <INPUT TYPE=hidden NAME=number VALUE=%s>
 	    """ % (self.add, self.section, self.number)
 	print """
 	<BR>
 	<INPUT TYPE=submit VALUE="Review Edit">
 	<INPUT TYPE=hidden NAME=req VALUE=review>
 	<INPUT TYPE=hidden NAME=name VALUE=%s>
 	</FORM>
 	<HR>
 	""" % name

     def checkin(self):
 	import regsub, time, tempfile
 	name = self.name

 	headers, oldtext = self.read(name)
 	if not headers:
 	    print "Invalid file name", name
 	    return
 	text = self.text
 	title = self.title
 	author = self.author
 	email = self.email
 	log = self.log
 	text = regsub.gsub("\r\n", "\n", text)
 	log = regsub.gsub("\r\n", "\n", log)
 	author = string.join(string.split(author))
 	email = string.join(string.split(email))
 	title = string.join(string.split(title))
 	oldtitle = headers['title']
 	oldtitle = string.join(string.split(oldtitle))
 	text = string.strip(text)
 	oldtext = string.strip(oldtext)
 	if text == oldtext and title == oldtitle:
 	    print "No changes."
 	    # XXX Should exit more ceremoniously
 	    return
 	# Check that the FAQ entry number didn't change
 	if string.split(title)[:1] != string.split(oldtitle)[:1]:
 	    print "Don't change the FAQ entry number please."
 	    # XXX Should exit more ceremoniously
 	    return
 	remhost = os.environ["REMOTE_HOST"]
 	remaddr = os.environ["REMOTE_ADDR"]
 	try:
 	    os.unlink(name + "~")
 	except os.error:
 	    pass
 	try:
 	    os.rename(name, name + "~")
 	except os.error:
 	    pass
 	try:
 	    os.unlink(name)
 	except os.error:
 	    pass
 	try:
 	    f = open(name, "w")
 	except IOError, msg:
 	    print "Can't open", name, "for writing:", cgi.escape(str(msg))
 	    # XXX Should exit more ceremoniously
 	    return
 	now = time.ctime(time.time())
 	f.write("Title: %s\n" % title)
 	f.write("Last-Changed-Date: %s\n" % now)
 	f.write("Last-Changed-Author: %s\n" % author)
 	f.write("Last-Changed-Email: %s\n" % email)
 	f.write("Last-Changed-Remote-Host: %s\n" % remhost)
 	f.write("Last-Changed-Remote-Address: %s\n" % remaddr)
 	keys = headers.keys()
 	keys.sort()
 	keys.remove('title')
 	for key in keys:
 	    if key[:13] != 'last-changed-':
 		f.write("%s: %s\n" % (string.capwords(key, '-'),
 				      headers[key]))
 	f.write("\n")
 	f.write(text)
 	f.write("\n")
 	f.close()

 	tfn = tempfile.mktemp()
 	f = open(tfn, "w")
 	f.write("Last-Changed-Date: %s\n" % now)
 	f.write("Last-Changed-Author: %s\n" % author)
 	f.write("Last-Changed-Email: %s\n" % email)
 	f.write("Last-Changed-Remote-Host: %s\n" % remhost)
 	f.write("Last-Changed-Remote-Address: %s\n" % remaddr)
 	f.write("\n")
 	f.write(log)
 	f.write("\n")
 	f.close()

 	p = os.popen("""
 	/depot/gnu/plat/bin/rcs -l %s </dev/null 2>&1
 	/depot/gnu/plat/bin/ci -u %s <%s 2>&1
 	rm -f %s
 	""" % (name, name, tfn, tfn))
 	output = p.read()
 	sts = p.close()
 	if not sts:
 	    print """
 	    <TITLE>Python FAQ Entry Edited</TITLE>
 	    <H1>Python FAQ Entry Edited</H1>
 	    <HR>
 	    """
 	    self.show(name, title, text, 1)
 	    if output:
 		print "<PRE>%s</PRE>" % cgi.escape(output)
 	else:
 	    print """
 	    <H1>Python FAQ Entry Commit Failed</H1>
 	    Exit status 0x%04x
 	    """ % sts
 	    if output:
 		print "<PRE>%s</PRE>" % cgi.escape(output)

     def showedit(self, name, title, text):
 	print """
 	Title: <INPUT TYPE=text SIZE=70 NAME=title VALUE="%s"<BR>
 	<TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title
 	print cgi.escape(string.strip(text))
 	print """</TEXTAREA>
 	<BR>
 	Please provide the following information for logging purposes:
 	<BR>
 	<CODE>Name : </CODE><INPUT TYPE=text SIZE=70 NAME=author VALUE="%s"<BR>
 	<CODE>Email: </CODE><INPUT TYPE=text SIZE=70 NAME=email VALUE="%s"<BR>
 	Log message (reason for the change):<BR>
 	<TEXTAREA COLS=80 ROWS=5 NAME=log>\n%s\n</TEXTAREA>
 	""" % (self.author, self.email, self.log)

     def showheaders(self, headers):
 	print "<UL>"
 	keys = map(string.lower, headers.keys())
 	keys.sort()
 	for key in keys:
 	    print "<LI><B>%s:</B> %s" % (string.capwords(key, '-'),
 					 headers[key] or '')
 	print "</UL>"

     def read(self, name):
 	import fnmatch, rfc822
 	if not fnmatch.fnmatch(name, NAMEPAT):
 	    return None, None
 	if self.add:
 	    try:
 		fname = "faq%02d.%03d.htp" % (string.atoi(self.section),
 					      string.atoi(self.number))
 	    except ValueError:
 		return None, None
 	    if fname != name:
 		return None, None
 	    headers = {'title': "%s.%s. " % (self.section, self.number)}
 	    text = ""
 	    return headers, text
 	f = open(name)
 	headers = rfc822.Message(f)
 	text = f.read()
 	f.close()
 	return headers, text

     def show(self, name, title, text, edit=0):
 	# XXX Should put <A> tags around recognizable URLs
 	# XXX Should also turn "see section N" into hyperlinks
 	print "<H2>%s</H2>" % cgi.escape(title)
 	pre = 0
 	for line in string.split(text, '\n'):
 	    if not string.strip(line):
 		if pre:
 		    print '</PRE>'
 		    pre = 0
 		else:
 		    print '<P>'
 	    else:
 		if line == string.lstrip(line):	# I.e., no leading whitespace
 		    if pre:
 			print '</PRE>'
 			pre = 0
 		else:
 		    if not pre:
 			print '<PRE>'
 			pre = 1
 		print cgi.escape(line)
 	if pre:
 	    print '</PRE>'
 	    pre = 0
 	print '<P>'
 	if edit:
 	    print '<A HREF="faq.py?req=edit&name=%s">Edit this entry</A>' %name
 	    print '<P>'
 	print "<HR>"


 print "Content-type: text/html\n"
 dt = 0
 try:
     import time
     t1 = time.time()
     x = FAQServer()
     x.main()
     t2 = time.time()
     dt = t2-t1
 except:
     print "<HR>Sorry, an error occurred"
     cgi.print_exception()
 print "<P>(time = %s seconds)" % str(round(dt, 3))
	#! /depot/sundry/plat/bin/python1.4

	"""Interactive FAQ project.

	XXX TO DO

	- use cookies to keep Name/email the same
	- explanation of editing somewhere
	- various embellishments, GIFs, crosslinks, hints, etc.
	- create new sections
	- rearrange entries
	- delete entries
	- log changes
	- send email on changes
	- optional staging of entries until reviewed?
	- review revision log and older versions
	- freeze entries
	- username/password for editors
	- Change references to other Q's and whole sections
	- Browse should display menu of 7 sections & let you pick
	(or frontpage should have the option to browse a section or all)
	- support adding annotations, too

	"""

	import cgi, string, os

	NAMEPAT = "faq??.???.htp"
	NAMEREG = "^faq\([0-9][0-9]\)\.\([0-9][0-9][0-9]\)\.htp$"

	class FAQServer:

	def __init__(self):
	pass

	def main(self):
	self.form = cgi.FieldStorage()
	req = self.req or 'frontpage'
	try:
	method = getattr(self, 'do_%s' % req)
	except AttributeError:
	print "Unrecognized request type", req
	else:
	method()

	KEYS = ['req', 'query', 'name', 'text', 'commit', 'title',
	'author', 'email', 'log', 'section', 'number', 'add']

	def __getattr__(self, key):
	if key not in self.KEYS:
	raise AttributeError
	try:
	item = self.form[key]
	return item.value
	except KeyError:
	return ''

	def do_frontpage(self):
	print """
	<TITLE>Python FAQ (alpha 1)</TITLE>
	<H1>Python FAQ Front Page</H1>
	<UL>
	<LI><A HREF="faq.py?req=index">FAQ index</A>
	<LI><A HREF="faq.py?req=all">The whole FAQ</A>
	<LI><A HREF="faq.py?req=roulette">FAQ roulette</A>
	<LI><A HREF="faq.py?req=recent">Recently changed FAQ entries</A>
	<LI><A HREF="faq.py?req=add">Add a new FAQ entry</A>
	</UL>

	<H2>Search the FAQ</H2>

	<FORM ACTION="faq.py?req=query">
	<INPUT TYPE=text NAME=query>
	<INPUT TYPE=submit VALUE="Search">
	<INPUT TYPE=hidden NAME=req VALUE=query>
	</FORM>

	Disclaimer: these pages are intended to be edited by anyone.
	Please exercise discretion when editing, don't be rude, etc.
	"""

	def do_index(self):
	print """
	<TITLE>Python FAQ Index</TITLE>
	<H1>Python FAQ Index</H1>
	"""
	names = os.listdir(os.curdir)
	names.sort()
	section = None
	for name in names:
	headers, text = self.read(name)
	if headers:
	title = headers['title']
	i = string.find(title, '.')
	nsec = title[:i]
	if nsec != section:
	if section:
	print """
	<P>
	<LI><A HREF="faq.py?req=add&section=%s"
	>Add new entry</A> (at this point)
	</UL>
	""" % section
	section = nsec
	print "<H2>Section %s</H2>" % section
	print "<UL>"
	print '<LI><A HREF="faq.py?req=show&name=%s">%s</A>' % (
	name, cgi.escape(title))
	if section:
	print """
	<P>
	<LI><A HREF="faq.py?req=add&section=%s">Add new entry</A>
	(at this point)
	</UL>
	""" % section
	else:
	print "No FAQ entries?!?!"

	def do_show(self):
	name = self.name
	headers, text = self.read(name)
	if not headers:
	print "Invalid file name", name
	return
	self.show(name, headers['title'], text, 1)

	def do_all(self):
	print """
	<TITLE>Python FAQ</TITLE>
	<H1>Python FAQ</H1>
	<HR>
	"""
	names = os.listdir(os.curdir)
	names.sort()
	section = None
	for name in names:
	headers, text = self.read(name)
	if headers:
	title = headers['title']
	i = string.find(title, '.')
	nsec = title[:i]
	if nsec != section:
	section = nsec
	print "<H1>Section %s</H1>" % section
	print "<HR>"
	self.show(name, title, text, 1)
	n = n+1
	if not section:
	print "No FAQ entries?!?!"

	def do_roulette(self):
	import whrandom
	print """
	<TITLE>Python FAQ Roulette</TITLE>
	<H1>Python FAQ Roulette</H1>
	Please check the correctness of the entry below.
	If you find any problems, please edit the entry.
	<P>
	<HR>
	"""
	names = os.listdir(os.curdir)
	while names:
	name = whrandom.choice(names)
	headers, text = self.read(name)
	if headers:
	self.show(name, headers['title'], text, 1)
	print '<P><A HREF="faq.py?req=roulette">Show another one</A>'
	break
	else:
	names.remove(name)
	else:
	print "No FAQ entries?!?!"

	def do_recent(self):
	import fnmatch, stat
	names = os.listdir(os.curdir)
	now = time.time()
	list = []
	for name in names:
	if not fnmatch.fnmatch(name, NAMEPAT):
	continue
	try:
	st = os.stat(name)
	except os.error:
	continue
	tuple = (st[stat.ST_MTIME], name)
	list.append(tuple)
	list.sort()
	list.reverse()
	print """
	<TITLE>Python FAQ, Most Recently Modified First</TITLE>
	<H1>Python FAQ, Most Recently Modified First</H1>
	<HR>
	"""
	n = 0
	for (mtime, name) in list:
	headers, text = self.read(name)
	if headers:
	self.show(name, headers['title'], text, 1)
	n = n+1
	if not n:
	print "No FAQ entries?!?!"

	def do_query(self):
	import regex
	print "<TITLE>Python FAQ Query Results</TITLE>"
	print "<H1>Python FAQ Query Results</H1>"
	query = self.query
	if not query:
	print "No query string"
	return
	p = regex.compile(query, regex.casefold)
	names = os.listdir(os.curdir)
	names.sort()
	print "<HR>"
	n = 0
	for name in names:
	headers, text = self.read(name)
	if headers:
	title = headers['title']
	if p.search(title) >= 0 or p.search(text) >= 0:
	self.show(name, title, text, 1)
	n = n+1
	if not n:
	print "No hits."

	def do_add(self):
	section = self.section
	if not section:
	print """
	<TITLE>How to add a new FAQ entry</TITLE>
	<H1>How to add a new FAQ entry</H1>

	Go to the <A HREF="faq.py?req=index">FAQ index</A>
	and click on the "Add new entry" link at the end
	of the section to which you want to add the entry.
	"""
	return
	try:
	nsec = string.atoi(section)
	except ValueError:
	print "Bad section number", nsec
	names = os.listdir(os.curdir)
	max = 0
	import regex
	prog = regex.compile(NAMEREG)
	for name in names:
	if prog.match(name) >= 0:
	s1, s2 = prog.group(1, 2)
	n1, n2 = string.atoi(s1), string.atoi(s2)
	if n1 == nsec:
	if n2 > max:
	max = n2
	if not max:
	print "Can't add new sections yet."
	return
	num = max+1
	name = "faq%02d.%03d.htp" % (nsec, num)
	self.name = name
	self.add = "yes"
	self.number = str(num)
	self.do_edit()

	def do_edit(self):
	name = self.name
	headers, text = self.read(name)
	if not headers:
	print "Invalid file name", name
	return
	print """
	<TITLE>Python FAQ Edit Form</TITLE>
	<H1>Python FAQ Edit Form</H1>
	"""
	title = headers['title']
	print "<FORM METHOD=POST ACTION=faq.py>"
	self.showedit(name, title, text)
	if self.add:
	print """
	<INPUT TYPE=hidden NAME=add VALUE=%s>
	<INPUT TYPE=hidden NAME=section VALUE=%s>
	<INPUT TYPE=hidden NAME=number VALUE=%s>
	""" % (self.add, self.section, self.number)
	print """
	<INPUT TYPE=submit VALUE="Review Edit">
	<INPUT TYPE=hidden NAME=req VALUE=review>
	<INPUT TYPE=hidden NAME=name VALUE=%s>
	</FORM>
	<HR>
	""" % name
	self.show(name, title, text)

	def do_review(self):
	if self.commit:
	self.checkin()
	return
	name = self.name
	text = self.text
	title = self.title
	headers, oldtext = self.read(name)
	if not headers:
	print "Invalid file name", name
	return
	print """
	<TITLE>Python FAQ Review Form</TITLE>
	<H1>Python FAQ Review Form</H1>
	<HR>
	"""
	self.show(name, title, text)
	print "<FORM METHOD=POST ACTION=faq.py>"
	if self.log and self.author and '@' in self.email:
	print """
	<INPUT TYPE=submit NAME=commit VALUE="Commit">
	Click this button to commit the change.
	<P>
	<HR>
	<P>
	"""
	else:
	print """
	To commit this change, please enter your name,
	email and a log message in the form below.
	<P>
	<HR>
	<P>
	"""
	self.showedit(name, title, text)
	if self.add:
	print """
	<INPUT TYPE=hidden NAME=add VALUE=%s>
	<INPUT TYPE=hidden NAME=section VALUE=%s>
	<INPUT TYPE=hidden NAME=number VALUE=%s>
	""" % (self.add, self.section, self.number)
	print """
	<BR>
	<INPUT TYPE=submit VALUE="Review Edit">
	<INPUT TYPE=hidden NAME=req VALUE=review>
	<INPUT TYPE=hidden NAME=name VALUE=%s>
	</FORM>
	<HR>
	""" % name

	def checkin(self):
	import regsub, time, tempfile
	name = self.name

	headers, oldtext = self.read(name)
	if not headers:
	print "Invalid file name", name
	return
	text = self.text
	title = self.title
	author = self.author
	email = self.email
	log = self.log
	text = regsub.gsub("\r\n", "\n", text)
	log = regsub.gsub("\r\n", "\n", log)
	author = string.join(string.split(author))
	email = string.join(string.split(email))
	title = string.join(string.split(title))
	oldtitle = headers['title']
	oldtitle = string.join(string.split(oldtitle))
	text = string.strip(text)
	oldtext = string.strip(oldtext)
	if text == oldtext and title == oldtitle:
	print "No changes."
	# XXX Should exit more ceremoniously
	return
	# Check that the FAQ entry number didn't change
	if string.split(title)[:1] != string.split(oldtitle)[:1]:
	print "Don't change the FAQ entry number please."
	# XXX Should exit more ceremoniously
	return
	remhost = os.environ["REMOTE_HOST"]
	remaddr = os.environ["REMOTE_ADDR"]
	try:
	os.unlink(name + "~")
	except os.error:
	pass
	try:
	os.rename(name, name + "~")
	except os.error:
	pass
	try:
	os.unlink(name)
	except os.error:
	pass
	try:
	f = open(name, "w")
	except IOError, msg:
	print "Can't open", name, "for writing:", cgi.escape(str(msg))
	# XXX Should exit more ceremoniously
	return
	now = time.ctime(time.time())
	f.write("Title: %s\n" % title)
	f.write("Last-Changed-Date: %s\n" % now)
	f.write("Last-Changed-Author: %s\n" % author)
	f.write("Last-Changed-Email: %s\n" % email)
	f.write("Last-Changed-Remote-Host: %s\n" % remhost)
	f.write("Last-Changed-Remote-Address: %s\n" % remaddr)
	keys = headers.keys()
	keys.sort()
	keys.remove('title')
	for key in keys:
	if key[:13] != 'last-changed-':
	f.write("%s: %s\n" % (string.capwords(key, '-'),
	headers[key]))
	f.write("\n")
	f.write(text)
	f.write("\n")
	f.close()

	tfn = tempfile.mktemp()
	f = open(tfn, "w")
	f.write("Last-Changed-Date: %s\n" % now)
	f.write("Last-Changed-Author: %s\n" % author)
	f.write("Last-Changed-Email: %s\n" % email)
	f.write("Last-Changed-Remote-Host: %s\n" % remhost)
	f.write("Last-Changed-Remote-Address: %s\n" % remaddr)
	f.write("\n")
	f.write(log)
	f.write("\n")
	f.close()

	p = os.popen("""
	/depot/gnu/plat/bin/rcs -l %s </dev/null 2>&1
	/depot/gnu/plat/bin/ci -u %s <%s 2>&1
	rm -f %s
	""" % (name, name, tfn, tfn))
	output = p.read()
	sts = p.close()
	if not sts:
	print """
	<TITLE>Python FAQ Entry Edited</TITLE>
	<H1>Python FAQ Entry Edited</H1>
	<HR>
	"""
	self.show(name, title, text, 1)
	if output:
	print "<PRE>%s</PRE>" % cgi.escape(output)
	else:
	print """
	<H1>Python FAQ Entry Commit Failed</H1>
	Exit status 0x%04x
	""" % sts
	if output:
	print "<PRE>%s</PRE>" % cgi.escape(output)

	def showedit(self, name, title, text):
	print """
	Title: <INPUT TYPE=text SIZE=70 NAME=title VALUE="%s"<BR>
	<TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title
	print cgi.escape(string.strip(text))
	print """</TEXTAREA>
	<BR>
	Please provide the following information for logging purposes:
	<BR>
	<CODE>Name : </CODE><INPUT TYPE=text SIZE=70 NAME=author VALUE="%s"<BR>
	<CODE>Email: </CODE><INPUT TYPE=text SIZE=70 NAME=email VALUE="%s"<BR>
	Log message (reason for the change):<BR>
	<TEXTAREA COLS=80 ROWS=5 NAME=log>\n%s\n</TEXTAREA>
	""" % (self.author, self.email, self.log)

	def showheaders(self, headers):
	print "<UL>"
	keys = map(string.lower, headers.keys())
	keys.sort()
	for key in keys:
	print "<LI><B>%s:</B> %s" % (string.capwords(key, '-'),
	headers[key] or '')
	print "</UL>"

	def read(self, name):
	import fnmatch, rfc822
	if not fnmatch.fnmatch(name, NAMEPAT):
	return None, None
	if self.add:
	try:
	fname = "faq%02d.%03d.htp" % (string.atoi(self.section),
	string.atoi(self.number))
	except ValueError:
	return None, None
	if fname != name:
	return None, None
	headers = {'title': "%s.%s. " % (self.section, self.number)}
	text = ""
	return headers, text
	f = open(name)
	headers = rfc822.Message(f)
	text = f.read()
	f.close()
	return headers, text

	def show(self, name, title, text, edit=0):
	# XXX Should put <A> tags around recognizable URLs
	# XXX Should also turn "see section N" into hyperlinks
	print "<H2>%s</H2>" % cgi.escape(title)
	pre = 0
	for line in string.split(text, '\n'):
	if not string.strip(line):
	if pre:
	print '</PRE>'
	pre = 0
	else:
	print '<P>'
	else:
	if line == string.lstrip(line): # I.e., no leading whitespace
	if pre:
	print '</PRE>'
	pre = 0
	else:
	if not pre:
	print '<PRE>'
	pre = 1
	print cgi.escape(line)
	if pre:
	print '</PRE>'
	pre = 0
	print '<P>'
	if edit:
	print '<A HREF="faq.py?req=edit&name=%s">Edit this entry</A>' %name
	print '<P>'
	print "<HR>"


	print "Content-type: text/html\n"
	dt = 0
	try:
	import time
	t1 = time.time()
	x = FAQServer()
	x.main()
	t2 = time.time()
	dt = t2-t1
	except:
	print "<HR>Sorry, an error occurred"
	cgi.print_exception()
	print "<P>(time = %s seconds)" % str(round(dt, 3))