home *** CD-ROM | disk | FTP | other *** search
/ linuxmafia.com 2016 / linuxmafia.com.tar / linuxmafia.com / pub / palmos / pippy-0.6beta-src.tar.gz / pippy-0.6beta-src.tar / pippy-0.6beta-src / src / Misc / renumber.py < prev    next >
Text File  |  2000-12-21  |  3KB  |  111 lines
  1. #! /usr/bin/env python
  2.  
  3. # Renumber the Python FAQ
  4.  
  5. import string
  6. import regex
  7. import sys
  8. import os
  9.  
  10. FAQ = 'FAQ'
  11.  
  12. chapterprog = regex.compile('^\([1-9][0-9]*\)\. ')
  13. questionprog = regex.compile('^\([1-9][0-9]*\)\.\([1-9][0-9]*\)\. ')
  14. newquestionprog = regex.compile('^Q\. ')
  15. blankprog = regex.compile('^[ \t]*$')
  16. indentedorblankprog = regex.compile('^\([ \t]+\|[ \t]*$\)')
  17.  
  18. def main():
  19.     print 'Reading lines...'
  20.     lines = open(FAQ, 'r').readlines()
  21.     print 'Renumbering in memory...'
  22.     oldlines = lines[:]
  23.     after_blank = 1
  24.     chapter = 0
  25.     question = 0
  26.     chapters = ['\n']
  27.     questions = []
  28.     for i in range(len(lines)):
  29.         line = lines[i]
  30.         if after_blank:
  31.             n = chapterprog.match(line)
  32.             if n >= 0:
  33.                 chapter = chapter + 1
  34.                 question = 0
  35.                 line = `chapter` + '. ' + line[n:]
  36.                 lines[i] = line
  37.                 chapters.append(' ' + line)
  38.                 questions.append('\n')
  39.                 questions.append(' ' + line)
  40.                 afterblank = 0
  41.                 continue
  42.             n = questionprog.match(line)
  43.             if n < 0: n = newquestionprog.match(line) - 3
  44.             if n >= 0:
  45.                 question = question + 1
  46.                 number = '%d.%d. '%(chapter, question)
  47.                 line = number + line[n:]
  48.                 lines[i] = line
  49.                 questions.append('  ' + line)
  50.                 # Add up to 4 continuations of the question
  51.                 n = len(number)
  52.                 for j in range(i+1, i+5):
  53.                     if blankprog.match(lines[j]) >= 0:
  54.                         break
  55.                     questions.append(' '*(n+2) + lines[j])
  56.                 afterblank = 0
  57.                 continue
  58.         afterblank = (blankprog.match(line) >= 0)
  59.     print 'Inserting list of chapters...'
  60.     chapters.append('\n')
  61.     for i in range(len(lines)):
  62.         line = lines[i]
  63.         if regex.match(
  64.               '^This FAQ is divided in the following chapters',
  65.               line) >= 0:
  66.             i = i+1
  67.             while 1:
  68.                 line = lines[i]
  69.                 if indentedorblankprog.match(line) < 0:
  70.                     break
  71.                 del lines[i]
  72.             lines[i:i] = chapters
  73.             break
  74.     else:
  75.         print '*** Can\'t find header for list of chapters'
  76.         print '*** Chapters found:'
  77.         for line in chapters: print line,
  78.     print 'Inserting list of questions...'
  79.     questions.append('\n')
  80.     for i in range(len(lines)):
  81.         line = lines[i]
  82.         if regex.match('^Here.s an overview of the questions',
  83.               line) >= 0:
  84.             i = i+1
  85.             while 1:
  86.                 line = lines[i]
  87.                 if indentedorblankprog.match(line) < 0:
  88.                     break
  89.                 del lines[i]
  90.             lines[i:i] = questions
  91.             break
  92.     else:
  93.         print '*** Can\'t find header for list of questions'
  94.         print '*** Questions found:'
  95.         for line in questions: print line,
  96.     if lines == oldlines:
  97.         print 'No changes.'
  98.         return
  99.     print 'Writing new file...'
  100.     f = open(FAQ + '.new', 'w')
  101.     for line in lines:
  102.         f.write(line)
  103.     f.close()
  104.     print 'Making backup...'
  105.     os.rename(FAQ, FAQ + '~')
  106.     print 'Moving new file...'
  107.     os.rename(FAQ + '.new', FAQ)
  108.     print 'Done.'
  109.  
  110. main()
  111.