development/tools/lyxpak.py

   1 #! /usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 # file lyxpak.py
   5 # This file is part of LyX, the document processor.
   6 # Licence details can be found in the file COPYING.
   7
   8 # author Enrico Forestieri
   9
  10 # Full author contact details are available in file CREDITS
  11
  12 # This script creates a tar or zip archive with a lyx file and all included
  13 # files (graphics and so on). A zip archive is created only if tar is not
  14 # found in the path. The tar archive is then compressed with gzip or bzip2.
  15
  16 import os, re, string, sys
  17 from sets import Set
  18
  19 # Replace with the actual path to the 1.5.x or 1.6.x lyx2lyx.
  20 # If left undefined and the LyX executable is in the path, the script will
  21 # try to locate lyx2lyx by querying LyX about the system dir.
  22 # Example for *nix:
  23 # lyx2lyx = /usr/share/lyx/lyx2lyx/lyx2lyx
  24 lyx2lyx = None
  25
  26 # Pre-compiled regular expressions.
  27 re_lyxfile = re.compile("\.lyx$")
  28 re_input = re.compile(r'^(.*)\\(input|include){(\s*)(\S+)(\s*)}.*$')
  29 re_package = re.compile(r'^(.*)\\(usepackage){(\s*)(\S+)(\s*)}.*$')
  30 re_class = re.compile(r'^(\\)(textclass)(\s+)(\S+)$')
  31 re_norecur = re.compile(r'^(.*)\\(verbatiminput|lstinputlisting|includegraphics\[*.*\]*){(\s*)(\S+)(\s*)}.*$')
  32 re_filename = re.compile(r'^(\s*)(filename)(\s+)(\S+)$')
  33 re_options = re.compile(r'^(\s*)options(\s+)(\S+)$')
  34 re_bibfiles = re.compile(r'^(\s*)bibfiles(\s+)(\S+)$')
  35
  36
  37 def usage(prog_name):
  38     return "Usage: %s file.lyx [output_dir]\n" % prog_name
  39
  40
  41 def error(message):
  42     sys.stderr.write(message + '\n')
  43     sys.exit(1)
  44
  45
  46 def run_cmd(cmd):
  47     handle = os.popen(cmd, 'r')
  48     cmd_stdout = handle.read()
  49     cmd_status = handle.close()
  50     return cmd_status, cmd_stdout
  51
  52
  53 def find_exe(candidates, extlist, path):
  54     for prog in candidates:
  55         for directory in path:
  56             for ext in extlist:
  57                 full_path = os.path.join(directory, prog + ext)
  58                 if os.access(full_path, os.X_OK):
  59                     return prog, full_path
  60     return None, None
  61
  62
  63 def abspath(name):
  64     " Resolve symlinks and returns the absolute normalized name."
  65     newname = os.path.normpath(os.path.abspath(name))
  66     if os.name != 'nt':
  67         newname = os.path.realpath(newname)
  68     return newname
  69
  70
  71 def gather_files(curfile, incfiles):
  72     " Recursively gather files."
  73     curdir = os.path.dirname(abspath(curfile))
  74     is_lyxfile = re_lyxfile.search(curfile)
  75     if is_lyxfile:
  76         lyx2lyx_cmd = 'python "%s" "%s"' % (lyx2lyx, curfile)
  77         l2l_status, l2l_stdout = run_cmd(lyx2lyx_cmd)
  78         if l2l_status != None:
  79             error('%s failed to convert "%s"' % (lyx2lyx, curfile))
  80         lines = l2l_stdout.splitlines()
  81     else:
  82         input = open(curfile, 'rU')
  83         lines = input.readlines()
  84         input.close()
  85
  86     i = 0
  87     while i < len(lines):
  88         # Gather used files.
  89         recursive = True
  90         extlist = ['']
  91         match = re_filename.match(lines[i])
  92         if not match:
  93             match = re_input.match(lines[i])
  94             if not match:
  95                 match = re_package.match(lines[i])
  96                 extlist = ['.sty']
  97                 if not match:
  98                     match = re_class.match(lines[i])
  99                     extlist = ['.cls']
 100                     if not match:
 101                         match = re_norecur.match(lines[i])
 102                         extlist = ['', '.eps', '.pdf', '.png', '.jpg']
 103                         recursive = False
 104         if match:
 105             file = match.group(4).strip('"')
 106             if not os.path.isabs(file):
 107                 file = os.path.join(curdir, file)
 108             file_exists = False
 109             for ext in extlist:
 110                 if os.path.exists(file + ext):
 111                     file = file + ext
 112                     file_exists = True
 113                     break
 114             if file_exists:
 115                 incfiles.append(abspath(file))
 116                 if recursive:
 117                     gather_files(file, incfiles)
 118             i += 1
 119             continue
 120
 121         if not is_lyxfile:
 122             i += 1
 123             continue
 124
 125         # Gather bibtex *.bst files.
 126         match = re_options.match(lines[i])
 127         if match:
 128             file = match.group(3).strip('"')
 129             if not os.path.isabs(file):
 130                 file = os.path.join(curdir, file + '.bst')
 131             if os.path.exists(file):
 132                 incfiles.append(abspath(file))
 133             i += 1
 134             continue
 135
 136         # Gather bibtex *.bib files.
 137         match = re_bibfiles.match(lines[i])
 138         if match:
 139             bibfiles = match.group(3).strip('"').split(',')
 140             j = 0
 141             while j < len(bibfiles):
 142                 if os.path.isabs(bibfiles[j]):
 143                     file = bibfiles[j]
 144                 else:
 145                     file = os.path.join(curdir, bibfiles[j] + '.bib')
 146                 if os.path.exists(file):
 147                     incfiles.append(abspath(file))
 148                 j += 1
 149             i += 1
 150             continue
 151
 152         i += 1
 153
 154     return 0
 155
 156
 157 def main(argv):
 158
 159     if len(argv) >= 2 and len(argv) <= 3:
 160         lyxfile = argv[1]
 161         if not os.path.exists(lyxfile):
 162             error('File "%s" not found.' % lyxfile)
 163
 164         # Check that it actually is a LyX document
 165         input = open(lyxfile, 'rU')
 166         line = input.readline()
 167         input.close()
 168         if not (line and line.startswith('#LyX')):
 169             error('File "%s" is not a LyX document.' % lyxfile)
 170
 171         # Either tar or zip must be available
 172         extlist = ['']
 173         if os.environ.has_key("PATHEXT"):
 174             extlist = extlist + os.environ["PATHEXT"].split(os.pathsep)
 175         path = string.split(os.environ["PATH"], os.pathsep)
 176         archiver, full_path = find_exe(["tar", "zip"], extlist, path)
 177
 178         if archiver == "tar":
 179             ar_cmd = "tar cf"
 180             ar_name = re_lyxfile.sub(".tar", abspath(lyxfile))
 181             # Archive will be compressed if either gzip or bzip2 are available
 182             compress, full_path = find_exe(["gzip", "bzip2"], extlist, path)
 183             if compress == "gzip":
 184                 ext = ".gz"
 185             elif compress == "bzip2":
 186                 ext = ".bz2"
 187         elif archiver == "zip":
 188             ar_cmd = "zip"
 189             ar_name = re_lyxfile.sub(".zip", abspath(lyxfile))
 190             compress = None
 191         else:
 192             error("Unable to find neither tar nor zip.")
 193
 194         if len(argv) == 3:
 195             outdir = argv[2]
 196             if not os.path.isdir(outdir):
 197                 error('Error: "%s" is not a directory.' % outdir)
 198             ar_name = os.path.join(abspath(outdir), os.path.basename(ar_name))
 199     else:
 200         error(usage(argv[0]))
 201
 202     # Try to find the location of the lyx2lyx script
 203     global lyx2lyx
 204     if lyx2lyx == None:
 205         lyx_exe, full_path = find_exe(["lyxc", "lyx"], extlist, path)
 206         if lyx_exe == None:
 207             error('Cannot find the LyX executable in the path.')
 208         else:
 209             cmd_status, cmd_stdout = run_cmd("%s -version 2>&1" % lyx_exe)
 210             if cmd_status != None:
 211                 error('Cannot query LyX about the lyx2lyx script.')
 212             re_msvc = re.compile(r'^(\s*)(Host type:)(\s+)(win32)$')
 213             re_sysdir = re.compile(r'^(\s*)(LyX files dir:)(\s+)(\S+)$')
 214             lines = cmd_stdout.splitlines()
 215             for line in lines:
 216                 match = re_msvc.match(line)
 217                 if match:
 218                     # The LyX executable was built with MSVC, so the
 219                     # "LyX files dir:" line is unusable
 220                     basedir = os.path.dirname(os.path.dirname(full_path))
 221                     lyx2lyx = os.path.join(basedir, 'Resources', 'lyx2lyx', 'lyx2lyx')
 222                     break
 223                 match = re_sysdir.match(line)
 224                 if match:
 225                     lyx2lyx = os.path.join(match.group(4), 'lyx2lyx', 'lyx2lyx')
 226                     break
 227             if not os.access(lyx2lyx, os.X_OK):
 228                 error('Unable to find the lyx2lyx script.')
 229
 230     # Initialize the list with the specified LyX file and recursively
 231     # gather all required files (also from child documents).
 232     incfiles = [abspath(lyxfile)]
 233     gather_files(lyxfile, incfiles)
 234
 235     # Find the topmost dir common to all files
 236     if len(incfiles) > 1:
 237         topdir = os.path.commonprefix(incfiles)
 238     else:
 239         topdir = os.path.dirname(incfiles[0]) + os.path.sep
 240
 241     # Remove the prefix common to all paths in the list
 242     i = 0
 243     while i < len(incfiles):
 244         incfiles[i] = string.replace(incfiles[i], topdir, '')
 245         i += 1
 246
 247     # Remove duplicates and sort the list
 248     incfiles = list(Set(incfiles))
 249     incfiles.sort()
 250
 251     # Build the archive command
 252     ar_cmd = '%s "%s"' % (ar_cmd, ar_name)
 253     for file in incfiles:
 254         print file
 255         ar_cmd = ar_cmd + ' "' + file + '"'
 256
 257     # Create the archive
 258     if topdir != '':
 259         os.chdir(topdir)
 260     cmd_status, cmd_stdout = run_cmd(ar_cmd)
 261     if cmd_status != None:
 262         error('Failed to create LyX archive "%s"' % ar_name)
 263
 264     # If possible, compress the archive
 265     if compress != None:
 266         compress_cmd = '%s "%s"' % (compress, ar_name)
 267         cmd_status, cmd_stdout = run_cmd(compress_cmd)
 268         if cmd_status != None:
 269             error('Failed to compress LyX archive "%s"' % ar_name)
 270         ar_name = ar_name + ext
 271
 272     print 'LyX archive "%s" created successfully.' % ar_name
 273     return 0
 274
 275
 276 if __name__ == "__main__":
 277     main(sys.argv)