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#! /depot/sundry/plat/bin/python1.4
"""Interactive FAQ project."""
import cgi, string, os
NAMEPAT = "faq??.???.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']
def __getattr__(self, key):
if key not in self.KEYS:
raise AttributeError
if self.form.has_key(key):
item = self.form[key]
return item.value
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=search">Search the FAQ</A>
<LI><A HREF="faq.py?req=browse">Browse the FAQ</A>
<LI><A HREF="faq.py?req=submit">Submit a new FAQ entry</A>
<LI><A HREF="faq.py?req=roulette">Random FAQ entry</A>
</UL>
<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_browse(self):
print """
<TITLE>Python FAQ</TITLE>
<H1>Python FAQ</H1>
<HR>
"""
names = os.listdir(os.curdir)
names.sort()
n = 0
for name in names:
headers, body = self.read(name)
if headers:
self.show(name, headers, body, 1)
n = n+1
if not n:
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, body = self.read(name)
if headers:
self.show(name, headers, body, 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_search(self):
print """
<TITLE>Search the Python FAQ</TITLE>
<H1>Search the Python FAQ</H1>
<FORM ACTION="faq.py?req=query">
<INPUT TYPE=text NAME=query>
<INPUT TYPE=submit VALUE="Search">
<INPUT TYPE=hidden NAME=req VALUE=query>
</FORM>
"""
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, body = self.read(name)
if headers:
title = headers['title']
if p.search(title) >= 0 or p.search(body) >= 0:
self.show(name, headers, body, 1)
n = n+1
if not n:
print "No hits."
def do_edit(self):
name = self.name
headers, body = 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>
"""
self.showheaders(headers)
title = headers['title']
print """
<FORM METHOD=POST ACTION=faq.py>
<INPUT TYPE=text SIZE=80 NAME=title VALUE="%s"<BR>
<TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title
print cgi.escape(string.strip(body))
print """</TEXTAREA>
<BR>
<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, headers, body)
def do_review(self):
name = self.name
text = self.text
commit = self.commit
title = self.title
if commit:
self.precheckin(name, text, title)
return
headers, body = 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>
"""
self.show(name, {'title': title}, text)
print """
<FORM METHOD=POST ACTION=faq.py>
<INPUT TYPE=submit NAME=commit VALUE="Commit">
<P>
<HR>
"""
self.showheaders(headers)
print """
<INPUT TYPE=text SIZE=80 NAME=title VALUE="%s"<BR>
<TEXTAREA COLS=80 ROWS=20 NAME=text>""" % title
print cgi.escape(string.strip(text))
print """</TEXTAREA>
<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 precheckin(self, name, text, title):
pass
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
f = open(name)
headers = rfc822.Message(f)
body = f.read()
f.close()
return headers, body
def show(self, name, headers, body, edit=0):
# XXX Should put <A> tags around recognizable URLs
# XXX Should also turn "see section N" into hyperlinks
title = headers['title']
print "<H2>%s</H2>" % title
pre = 0
for line in string.split(body, '\n'):
if not string.strip(line):
if pre:
print '</PRE>'
pre = 0
else:
print '<P>'
else:
if line == string.lstrip(line):
if pre:
print '</PRE>'
pre = 0
else:
if not pre:
print '<PRE>'
pre = 1
print 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"
try:
x = FAQServer()
x.main()
except:
print "<HR>Sorry, an error occurred"
cgi.print_exception()
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