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#! /usr/local/bin/python
# Convert the Python FAQ to HTML
import string
import regex
import regsub
import sys
import os
FAQ = 'FAQ'
chapterprog = regex.compile('^\([1-9][0-9]*\)\. ')
questionprog = regex.compile('^\([1-9][0-9]*\)\.\([1-9][0-9]*\)\. ')
newquestionprog = regex.compile('^Q\. ')
blankprog = regex.compile('^[ \t]*$')
indentedorblankprog = regex.compile('^\([ \t]+\|[ \t]*$\)')
underlineprog = regex.compile('^==*$')
eightblanksprog = regex.compile('^\( \| *\t\)')
mailheaderprog = regex.compile('^\(Subject\|Newsgroups\|Followup-To\|From\|Reply-To\|Approved\|Archive-name\|Version\|Last-modified\): +')
urlprog = regex.compile('<URL:\([^>]*\)>')
ampprog = regex.compile('&')
aprog = regex.compile('^A\. +')
qprog = regex.compile('>Q\. +')
qrefprog = regex.compile('question +\([0-9]\.[0-9]+\)')
versionprog = regex.compile('^Version: ')
emailprog = regex.compile('<\([^>@:]+@[^>@:]+\)>')
def main():
print 'Reading lines...'
lines = open(FAQ, 'r').readlines()
print 'Renumbering in memory...'
oldlines = lines[:]
after_blank = 1
chapter = 0
question = 0
chapters = ['<OL>']
questions = ['<OL>']
for i in range(len(lines)):
line = lines[i]
if after_blank:
n = chapterprog.match(line)
if n >= 0:
chapter = chapter + 1
if chapter != 1:
questions.append('</UL>\n')
question = 0
lines[i] = '<H2>' + line[n:-1] + '</H2>\n'
chapters.append('<LI> ' + line[n:])
questions.append('<LI> ' + line[n:])
questions.append('<UL>\n')
afterblank = 0
continue
n = underlineprog.match(line)
if n >= 0:
lines[i] = ''
continue
n = questionprog.match(line)
if n < 0: n = newquestionprog.match(line) - 3
if n >= 0:
question = question + 1
number = '%d.%d'%(chapter, question)
lines[i] = '<A NAME="' + number + '"><H3>' + line[n:]
questions.append('<LI><A HREF="#' + \
number + '">' + line[n:])
# Add up to 4 continuations of the question
n = len(number)
for j in range(i+1, i+5):
if blankprog.match(lines[j]) >= 0:
lines[j-1] = lines[j-1] + '</H3></A>'
questions[-1] = \
questions[-1][:-1] + '</A>\n'
break
questions.append(' '*(n+2) + lines[j])
afterblank = 0
continue
afterblank = (blankprog.match(line) >= 0)
print 'Inserting list of chapters...'
chapters.append('</OL>\n')
for i in range(len(lines)):
line = lines[i]
if regex.match(
'^This FAQ is divided in the following chapters',
line) >= 0:
i = i+1
while 1:
line = lines[i]
if indentedorblankprog.match(line) < 0:
break
del lines[i]
lines[i:i] = chapters
break
else:
print '*** Can\'t find header for list of chapters'
print '*** Chapters found:'
for line in chapters: print line,
print 'Inserting list of questions...'
questions.append('</UL></OL>\n')
for i in range(len(lines)):
line = lines[i]
if regex.match('^Here.s an overview of the questions',
line) >= 0:
i = i+1
while 1:
line = lines[i]
if indentedorblankprog.match(line) < 0:
break
del lines[i]
lines[i:i] = questions
break
else:
print '*** Can\'t find header for list of questions'
print '*** Questions found:'
for line in questions: print line,
# final cleanup
print "Final cleanup..."
doingpre = 0
for i in range(len(lines)):
# set lines indented by >= 8 spaces using PRE
# blank lines either terminate PRE or separate paragraphs
n = eightblanksprog.match(lines[i])
if n < 0: n = mailheaderprog.match(lines[i])
if n >= 0:
if versionprog.match(lines[i]) > 0:
version = string.split(lines[i])[1]
if doingpre == 0:
lines[i] = '<PRE>\n' + lines[i]
doingpre = 1
continue
n = blankprog.match(lines[i])
if n >= 0:
# print '*** ', lines[i-1], doingpre
if doingpre == 1:
lines[i] = '</PRE><P>\n'
doingpre = 0
else:
lines[i] = '<P>\n'
continue
# & -> &
n = ampprog.search(lines[i])
if n >= 0:
lines[i] = regsub.gsub(ampprog, '&', lines[i])
# no continue - there might be other changes to the line...
# zap all the 'Q.' and 'A.' leaders - what happened to the
# last couple?
n = qprog.search(lines[i])
if n >= 0:
lines[i] = regsub.sub(qprog, '>', lines[i])
# no continue - there might be other changes to the line...
n = aprog.search(lines[i])
if n >= 0:
lines[i] = regsub.sub(aprog, '', lines[i])
# no continue - there might be other changes to the line...
# patch up hard refs to questions
n = qrefprog.search(lines[i])
if n >= 0:
lines[i] = regsub.sub(qrefprog,
'<A HREF="#\\1">question \\1</A>', lines[i])
# no continue - there might be other changes to the line...
# make <URL:...> into actual links
n = urlprog.search(lines[i])
if n >= 0:
lines[i] = regsub.gsub(urlprog, '<A HREF="\\1">\\1</A>', lines[i])
# no continue - there might be other changes to the line...
# make <user@host.domain> into <mailto:...> links
n = emailprog.search(lines[i])
if n >= 0:
lines[i] = regsub.gsub(emailprog,
'<A HREF="mailto:\\1">\\1</A>', lines[i])
# no continue - there might be other changes to the line...
lines[0:0] = ['<HTML><HEAD><TITLE>Python Frequently Asked Questions v',
version,
'</TITLE>\n',
'</HEAD><body>\n',
'(This file was generated using\n',
'<A HREF="faq2html.py">faq2html.py</A>.)<P>\n']
lines.append('<P></BODY></HTML>\n')
print 'Writing html file...'
f = open(FAQ + '.html', 'w')
for line in lines:
f.write(line)
f.close()
print 'Done.'
main()
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