Mac/Tools/CGI/BuildCGIApplet.py

   1 """BuildCGIApplet.py -- Create a CGI applet from a Python script.
   2
   3 Specilized version of BuildApplet, enabling Python CGI scripts to be
   4 used under Mac web servers like WebStar. The __main__ program is
   5 PythonCGISlave.py, which provides a compatibility layer, emulating
   6 Unix-style CGI scripts. See CGI_README.txt for details.
   7 """
   8
   9 import sys
  10 import os
  11 import macfs
  12 import MacOS
  13 from Carbon import Res
  14 import EasyDialogs
  15 import buildtools
  16 import py_resource
  17
  18
  19 def main():
  20         try:
  21                 buildcgiapplet()
  22         except buildtools.BuildError, detail:
  23                 EasyDialogs.Message(detail)
  24
  25
  26 def buildcgiapplet():
  27         buildtools.DEBUG=1
  28
  29         # Find the template
  30         # (there's no point in proceeding if we can't find it)
  31
  32         template = buildtools.findtemplate()
  33         wrapper = "PythonCGISlave.py"
  34         if not os.path.exists("PythonCGISlave.py"):
  35                 wrapper = os.path.join(sys.exec_prefix, ":Mac:Tools:CGI", wrapper)
  36
  37         # Ask for source text if not specified in sys.argv[1:]
  38         if not sys.argv[1:]:
  39                 srcfss, ok = macfs.PromptGetFile('Select a CGI script:', 'TEXT', 'APPL')
  40                 if not ok:
  41                         return
  42                 filename = srcfss.as_pathname()
  43                 dstfilename = mkcgifilename(filename)
  44                 dstfss, ok = macfs.StandardPutFile('Save application as:',
  45                                 os.path.basename(dstfilename))
  46                 if not ok:
  47                         return
  48                 dstfilename = dstfss.as_pathname()
  49                 buildone(template, wrapper, filename, dstfilename)
  50         else:
  51                 # Loop over all files to be processed
  52                 for filename in sys.argv[1:]:
  53                         dstfilename = mkcgifilename(filename)
  54                         buildone(template, wrapper, filename, dstfilename)
  55
  56
  57 def mkcgifilename(filename):
  58         if filename[-3:] == '.py':
  59                 filename = filename[:-3]
  60         filename = filename + ".cgi"
  61         return filename
  62
  63
  64 def buildone(template, wrapper, src, dst):
  65         buildtools.process(template, wrapper, dst, 1)
  66         # write source as a PYC resource into dst
  67         ref = Res.FSpOpenResFile(dst, 2)
  68         try:
  69                 Res.UseResFile(ref)
  70                 py_resource.frompyfile(src, "CGI_MAIN", preload=1)
  71         finally:
  72                 Res.CloseResFile(ref)
  73
  74
  75 if __name__ == '__main__':
  76         main()