sandbox/paultremblay/rst_to_docbook/configure.py

   1 # /usr/bin/env python
   2
   3 import sys, os
   4 import rst_to_docbook.options_trem
   5
   6 """
   7
   8 The configuration script gets the target from the command line. It creates a
   9 file with the configuration variable, and a short script for the rest of
  10 script to be able to read and locate he configuration files.
  11
  12 """
  13
  14 def configure():
  15     target, processor = get_target()
  16     if processor == None:
  17         sys.stderr.write('Since you need an xslt processor to run this script, the configuration will now quit\n'
  18                 )
  19         try:
  20             os.remove('var_file')
  21         except:
  22             pass
  23         sys.exit(1)
  24     make_var_file(target)
  25     make_location(target)
  26     make_configuration_file(processor)
  27
  28 def get_target():
  29     """
  30     This functions uses a module I wrote to parse options. If no options are
  31     determined on the command line, the function returnst the default
  32     /etc/nest_docutis
  33
  34     """
  35     options_dict = {
  36         'target':     [1, 't'],
  37         'processor':   [1, 'p'],
  38     }
  39     options_obj = rst_to_docbook.options_trem.ParseOptions(sys.argv,
  40             options_dict)
  41     opt_dict, args = options_obj.parse_options()
  42     if opt_dict == 0:
  43         sys.stderr.write('invalid options for configure.py\n'
  44                 'use python configure --target <desired folder>'
  45                 ' --processor <xslt proccessor>'
  46
  47                 )
  48         sys.exit(1)
  49     target = opt_dict.get('target')
  50     if not target:
  51         target = default_target()
  52     processor = opt_dict.get('processor')
  53     processor = determine_processor(processor)
  54     return target, processor
  55
  56 def default_target():
  57     sys.stdout.write('using default \'/etc\' for the configuration directory\n')
  58     return '/etc'
  59
  60 def determine_processor(processor = None):
  61     sys.stdout.write('determining xslt processor...\n')
  62     if processor == None:
  63         processor = 'xmllint'
  64     if processor == 'xalan':
  65         file = 'test_files/simple.xml'
  66         xsl_file = 'test_files/simple.xsl'
  67         output = 'output.xml'
  68         command = 'java org.apache.xalan.xslt.Process \
  69     -Ts -in %s -xsl %s -out %s' %  (file, xsl_file, output)
  70         error = os.system(command)
  71         if error:
  72             sys.stderr.write('xalan does not appear to be set up correctly '
  73                     ' on your system\n'
  74                     'The command "java org.apache.xalan.xslt.Process" failed\n'
  75                     'Is the CLASSPATH set for xalan?\n'
  76                     'Configuraton will now quit\n'
  77                     )
  78             sys.exit(1)
  79         else:
  80             return 'xalan'
  81     elif processor == '4suite':
  82         try:
  83             from Ft.Xml import InputSource
  84             from Ft.Xml.Xslt.Processor import Processor
  85             return '4suite'
  86         except:
  87             sys.stderr.write('4suite does not appear to be set up correctly on your system\n'
  88                     'Could not find the Ft.Xml libraries\n'
  89                     'Script cannot work without an xslt procesor!\n'
  90                     )
  91             sys.exit(1)
  92     elif processor == 'xsltproc' or processor == 'xmllint':
  93         try:
  94             import libxml2
  95             import libxslt
  96             return 'xmllint'
  97         except:
  98             sys.stderr.write('You either choose xmllint as your processor, or xmllint was tested because not other\n'
  99                     'processor was found\n'
 100                     'However, the libraries "libxml2" and or "libxslt" cannot be found.\n'
 101                     )
 102
 103     else:
 104         sys.stderr.write('The processor "%s" is not a valid choice for this script\n' % processor)
 105     return None
 106
 107
 108
 109
 110 def make_var_file(target):
 111     write_obj = open('var_file', 'w')
 112     # write_obj.write('[global]\n')
 113     write_obj.write(target)
 114     write_obj.close()
 115
 116 def make_location(target):
 117     write_obj = open('rst_to_docbook/location.py', 'w')
 118     write_obj.write(
 119     """
 120 def get_location():
 121     return '%s'
 122
 123
 124     """
 125     % target)
 126
 127 def make_configuration_file(processor):
 128     write_obj = open('data/configure.xml', 'w')
 129     write_obj.write("""
 130 <configuration>
 131     <xslt-processor processor = "%s"/>
 132 </configuration>
 133     """ % processor
 134             )
 135
 136 if __name__ == '__main__':
 137     configure()
 138