]> git.lyx.org Git - lyx.git/blobdiff - lib/scripts/lyxpak.py
ext_copy: bug when creating the error string.
[lyx.git] / lib / scripts / lyxpak.py
index 37829e09c2d5dfee21cf9080a8f1aea54ded64c8..2aaf2db42bc061c739fa3621c6e0d5c9c5723065 100755 (executable)
@@ -1,4 +1,3 @@
-#! /usr/bin/env python
 # -*- coding: utf-8 -*-
 
 # file lyxpak.py
@@ -6,7 +5,7 @@
 # Licence details can be found in the file COPYING.
 
 # author Enrico Forestieri
-# author Richard Heck
+# author Richard Kimberly Heck
 
 # Full author contact details are available in file CREDITS
 
 # a gzip compressed tar archive on *nix. This can be controlled by command
 # line options, however.
 
-import os, re, string, sys
-if sys.version_info < (2, 4, 0):
-    from sets import Set as set
+from __future__ import print_function
+import gzip, os, re, sys
 from getopt import getopt
+from io import BytesIO
+import subprocess
+
+# Provide support for both python 2 and 3
+if sys.version_info[0] != 2:
+    def unicode(arg, enc):
+        return arg
+
+# The path to the current python executable. sys.executable may fail, so in
+# this case we revert to simply calling "python" from the path.
+PYTHON_BIN = sys.executable if sys.executable else "python"
+
+running_on_windows = (os.name == 'nt')
+
+if running_on_windows:
+    from shutil import copyfile
+    from tempfile import NamedTemporaryFile
 
 # Pre-compiled regular expressions.
-re_lyxfile = re.compile("\.lyx$")
-re_input = re.compile(r'^(.*)\\(input|include){(\s*)(\S+)(\s*)}.*$')
-re_ertinput = re.compile(r'^(input|include)({)(\s*)(\S+)(\s*)}.*$')
-re_package = re.compile(r'^(.*)\\(usepackage){(\s*)(\S+)(\s*)}.*$')
-re_class = re.compile(r'^(\\)(textclass)(\s+)(\S+)$')
-re_norecur = re.compile(r'^(.*)\\(verbatiminput|lstinputlisting|includegraphics\[*.*\]*){(\s*)(\S+)(\s*)}.*$')
-re_ertnorecur = re.compile(r'^(verbatiminput|lstinputlisting|includegraphics\[*.*\]*)({)(\s*)(\S+)(\s*)}.*$')
-re_filename = re.compile(r'^(\s*)(filename)(\s+)(\S+)$')
-re_options = re.compile(r'^(\s*)options(\s+)(\S+)$')
-re_bibfiles = re.compile(r'^(\s*)bibfiles(\s+)(\S+)$')
+re_lyxfile = re.compile(b"\.lyx$")
+re_input = re.compile(b'^(.*)\\\\(input|include){(\\s*)(.+)(\\s*)}.*$')
+re_ertinput = re.compile(b'^(input|include)({)(\\s*)(.+)(\\s*)}.*$')
+re_package = re.compile(b'^(.*)\\\\(usepackage){(\\s*)(.+)(\\s*)}.*$')
+re_class = re.compile(b'^(\\\\)(textclass)(\\s+)(.+)\\s*$')
+re_norecur = re.compile(b'^(.*)\\\\(verbatiminput|lstinputlisting|includegraphics\\[*.*\\]*){(\\s*)(.+)(\\s*)}.*$')
+re_ertnorecur = re.compile(b'^(verbatiminput|lstinputlisting|includegraphics\\[*.*\\]*)({)(\\s*)(.+)(\\s*)}.*$')
+re_filename = re.compile(b'^(\\s*)(filename)(\\s+)(.+)\\s*$')
+re_options = re.compile(b'^(\\s*)options(\\s+)(.+)\\s*$')
+re_bibfiles = re.compile(b'^(\\s*)bibfiles(\\s+)(.+)\\s*$')
 
 
 def usage(prog_name):
@@ -54,11 +69,17 @@ def error(message):
     sys.exit(1)
 
 
-def run_cmd(cmd):
-    handle = os.popen(cmd, 'r')
-    cmd_stdout = handle.read()
-    cmd_status = handle.close()
-    return cmd_status, cmd_stdout
+def tostr(message):
+    return message.decode(sys.getfilesystemencoding())
+
+
+def gzopen(file):
+    input = open(file.decode('utf-8'), 'rb')
+    magicnum = input.read(2)
+    input.close()
+    if magicnum == b"\x1f\x8b":
+        return gzip.open(file.decode('utf-8'))
+    return open(file.decode('utf-8'), 'rb')
 
 
 def find_exe(candidates, extlist, path):
@@ -74,7 +95,7 @@ def find_exe(candidates, extlist, path):
 def abspath(name):
     " Resolve symlinks and returns the absolute normalized name."
     newname = os.path.normpath(os.path.abspath(name))
-    if os.name != 'nt':
+    if not running_on_windows:
         newname = os.path.realpath(newname)
     return newname
 
@@ -83,14 +104,34 @@ def gather_files(curfile, incfiles, lyx2lyx):
     " Recursively gather files."
     curdir = os.path.dirname(abspath(curfile))
     is_lyxfile = re_lyxfile.search(curfile)
+
     if is_lyxfile:
-        lyx2lyx_cmd = 'python "%s" "%s"' % (lyx2lyx, curfile)
-        l2l_status, l2l_stdout = run_cmd(lyx2lyx_cmd)
-        if l2l_status != None:
-            error('%s failed to convert "%s"' % (lyx2lyx, curfile))
+        if running_on_windows:
+            # subprocess cannot cope with unicode arguments and we cannot be
+            # sure that curfile can be correctly converted to the current
+            # code page. So, we resort to running lyx2lyx on a copy.
+            tmp = NamedTemporaryFile(delete=False)
+            tmp.close()
+            copyfile(curfile.decode('utf-8'), tmp.name)
+            try:
+                l2l_stdout = subprocess.check_output([PYTHON_BIN, lyx2lyx, tmp.name])
+            except subprocess.CalledProcessError:
+                error('%s failed to convert "%s"' % (lyx2lyx, tostr(curfile)))
+            os.unlink(tmp.name)
+        else:
+            try:
+                l2l_stdout = subprocess.check_output([PYTHON_BIN, lyx2lyx, curfile])
+            except subprocess.CalledProcessError:
+                error('%s failed to convert "%s"' % (lyx2lyx, tostr(curfile)))
+        if l2l_stdout.startswith(b"\x1f\x8b"):
+            l2l_stdout = gzip.GzipFile("", "rb", 0, BytesIO(l2l_stdout)).read()
+        elif running_on_windows:
+            # For some unknown reason, there can be a spurious '\r' in the line
+            # separators, causing spurious empty lines when calling splitlines.
+            l2l_stdout = l2l_stdout.replace('\r\r\n', '\r\n')
         lines = l2l_stdout.splitlines()
     else:
-        input = open(curfile, 'rU')
+        input = gzopen(curfile)
         lines = input.readlines()
         input.close()
 
@@ -99,7 +140,7 @@ def gather_files(curfile, incfiles, lyx2lyx):
     while i < len(lines):
         # Gather used files.
         recursive = True
-        extlist = ['']
+        extlist = [b'']
         match = re_filename.match(lines[i])
         if not match:
             if maybe_in_ert:
@@ -108,26 +149,26 @@ def gather_files(curfile, incfiles, lyx2lyx):
                 match = re_input.match(lines[i])
             if not match:
                 match = re_package.match(lines[i])
-                extlist = ['.sty']
+                extlist = [b'.sty']
                 if not match:
                     match = re_class.match(lines[i])
-                    extlist = ['.cls']
+                    extlist = [b'.cls']
                     if not match:
                         if maybe_in_ert:
                             match = re_ertnorecur.match(lines[i])
                         else:
                             match = re_norecur.match(lines[i])
-                        extlist = ['', '.eps', '.pdf', '.png', '.jpg']
+                        extlist = [b'', b'.eps', b'.pdf', b'.png', b'.jpg']
                         recursive = False
-        maybe_in_ert = is_lyxfile and lines[i] == "\\backslash"
+        maybe_in_ert = is_lyxfile and lines[i] == b"\\backslash"
         if match:
-            file = match.group(4).strip('"')
+            file = match.group(4).strip(b'"')
             if not os.path.isabs(file):
                 file = os.path.join(curdir, file)
             file_exists = False
-            if not os.path.isdir(file):
+            if not os.path.isdir(unicode(file, 'utf-8')):
                 for ext in extlist:
-                    if os.path.exists(file + ext):
+                    if os.path.exists(unicode(file + ext, 'utf-8')):
                         file = file + ext
                         file_exists = True
                         break
@@ -145,10 +186,12 @@ def gather_files(curfile, incfiles, lyx2lyx):
         # Gather bibtex *.bst files.
         match = re_options.match(lines[i])
         if match:
-            file = match.group(3).strip('"')
+            file = match.group(3).strip(b'"')
+            if file.startswith(b"bibtotoc,"):
+                file = file[9:]
             if not os.path.isabs(file):
-                file = os.path.join(curdir, file + '.bst')
-            if os.path.exists(file):
+                file = os.path.join(curdir, file + b'.bst')
+            if os.path.exists(unicode(file, 'utf-8')):
                 incfiles.append(abspath(file))
             i += 1
             continue
@@ -156,14 +199,14 @@ def gather_files(curfile, incfiles, lyx2lyx):
         # Gather bibtex *.bib files.
         match = re_bibfiles.match(lines[i])
         if match:
-            bibfiles = match.group(3).strip('"').split(',')
+            bibfiles = match.group(3).strip(b'"').split(b',')
             j = 0
             while j < len(bibfiles):
                 if os.path.isabs(bibfiles[j]):
-                    file = bibfiles[j]
+                    file = bibfiles[j] + b'.bib'
                 else:
-                    file = os.path.join(curdir, bibfiles[j] + '.bib')
-                if os.path.exists(file):
+                    file = os.path.join(curdir, bibfiles[j] + b'.bib')
+                if os.path.exists(unicode(file, 'utf-8')):
                     incfiles.append(abspath(file))
                 j += 1
             i += 1
@@ -174,7 +217,7 @@ def gather_files(curfile, incfiles, lyx2lyx):
     return 0
 
 
-def find_lyx2lyx(progloc):
+def find_lyx2lyx(progloc, path):
     " Find a usable version of the lyx2lyx script. "
     # first we will see if the script is roughly where we are
     # i.e., we will assume we are in $SOMEDIR/scripts and look
@@ -192,8 +235,9 @@ def find_lyx2lyx(progloc):
     lyx_exe, full_path = find_exe(["lyxc", "lyx"], extlist, path)
     if lyx_exe == None:
         error('Cannot find the LyX executable in the path.')
-    cmd_status, cmd_stdout = run_cmd("%s -version 2>&1" % lyx_exe)
-    if cmd_status != None:
+    try:
+        cmd_stdout = subprocess.check_output([lyx_exe, '-version'], stderr=subprocess.STDOUT)
+    except subprocess.CalledProcessError:
         error('Cannot query LyX about the lyx2lyx script.')
     re_msvc = re.compile(r'^(\s*)(Host type:)(\s+)(win32)$')
     re_sysdir = re.compile(r'^(\s*)(LyX files dir:)(\s+)(\S+)$')
@@ -229,13 +273,13 @@ def main(args):
     if len(argv) != 1:
         error(usage(ourprog))
 
-    makezip = (os.name == 'nt')
+    makezip = running_on_windows
     outdir = ""
     lyx2lyx = None
 
     for (opt, param) in options:
       if opt == "-h":
-        print usage(ourprog)
+        print(usage(ourprog))
         sys.exit(0)
       elif opt == "-t":
         makezip = False
@@ -245,37 +289,39 @@ def main(args):
         lyx2lyx = param
       elif opt == "-o":
         outdir = param
-        if not os.path.isdir(outdir):
+        if not os.path.isdir(unicode(outdir, 'utf-8')):
           error('Error: "%s" is not a directory.' % outdir)
 
     lyxfile = argv[0]
-    if not os.path.exists(lyxfile):
-        error('File "%s" not found.' % lyxfile)
+    if not running_on_windows:
+        lyxfile = unicode(lyxfile, sys.getfilesystemencoding()).encode('utf-8')
+    if not os.path.exists(unicode(lyxfile, 'utf-8')):
+        error('File "%s" not found.' % tostr(lyxfile))
 
     # Check that it actually is a LyX document
-    input = open(lyxfile, 'rU')
+    input = gzopen(lyxfile)
     line = input.readline()
     input.close()
-    if not (line and line.startswith('#LyX')):
-        error('File "%s" is not a LyX document.' % lyxfile)
+    if not (line and line.startswith(b'#LyX')):
+        error('File "%s" is not a LyX document.' % tostr(lyxfile))
 
     if makezip:
         import zipfile
     else:
         import tarfile
 
-    ar_ext = ".tar.gz"
+    ar_ext = b".tar.gz"
     if makezip:
-        ar_ext = ".zip"
+        ar_ext = b".zip"
 
-    ar_name = re_lyxfile.sub(ar_ext, abspath(lyxfile))
+    ar_name = re_lyxfile.sub(ar_ext, abspath(lyxfile)).decode('utf-8')
     if outdir:
         ar_name = os.path.join(abspath(outdir), os.path.basename(ar_name))
 
-    path = string.split(os.environ["PATH"], os.pathsep)
+    path = os.environ["PATH"].split(os.pathsep)
 
     if lyx2lyx == None:
-        lyx2lyx = find_lyx2lyx(ourprog)
+        lyx2lyx = find_lyx2lyx(ourprog, path)
 
     # Initialize the list with the specified LyX file and recursively
     # gather all required files (also from child documents).
@@ -283,19 +329,19 @@ def main(args):
     gather_files(lyxfile, incfiles, lyx2lyx)
 
     # Find the topmost dir common to all files
+    path_sep = os.path.sep.encode('utf-8')
     if len(incfiles) > 1:
         topdir = os.path.commonprefix(incfiles)
-        # Check whether topdir is valid, as os.path.commonprefix() works on
-        # a character by character basis, rather than on path elements.
-        if not os.path.exists(topdir):
-            topdir = os.path.dirname(topdir) + os.path.sep
+        # As os.path.commonprefix() works on a character by character basis,
+        # rather than on path elements, we need to remove any trailing bytes.
+        topdir = topdir.rpartition(path_sep)[0] + path_sep
     else:
-        topdir = os.path.dirname(incfiles[0]) + os.path.sep
+        topdir = os.path.dirname(incfiles[0]) + path_sep
 
     # Remove the prefix common to all paths in the list
     i = 0
     while i < len(incfiles):
-        incfiles[i] = string.replace(incfiles[i], topdir, '', 1)
+        incfiles[i] = incfiles[i].replace(topdir, b'', 1)
         i += 1
 
     # Remove duplicates and sort the list
@@ -303,26 +349,53 @@ def main(args):
     incfiles.sort()
 
     if topdir != '':
-        os.chdir(topdir)
+        os.chdir(unicode(topdir, 'utf-8'))
 
     # Create the archive
     try:
         if makezip:
             zip = zipfile.ZipFile(ar_name, "w", zipfile.ZIP_DEFLATED)
             for file in incfiles:
-                zip.write(file)
+                zip.write(file.decode('utf-8'))
             zip.close()
         else:
             tar = tarfile.open(ar_name, "w:gz")
             for file in incfiles:
-                tar.add(file)
+                tar.add(file.decode('utf-8'))
             tar.close()
     except:
         error('Failed to create LyX archive "%s"' % ar_name)
 
-    print 'LyX archive "%s" created successfully.' % ar_name
+    print('LyX archive "%s" created successfully.' % ar_name)
     return 0
 
 
 if __name__ == "__main__":
+    if running_on_windows:
+        # This works around <http://bugs.python.org/issue2128> for Python 2.
+        # All arguments are retrieved in unicode format and converted to utf-8.
+        # In this way, when launched from the command line, lyxpak.py can deal
+        # with any non-ascii names. Unfortunately, this is not the case when
+        # launched by LyX, because LyX converts the arguments of the converters
+        # to the filesystem encoding. On Windows this corresponds to the current
+        # code page and not to the UTF-16 encoding used by NTFS, such that they
+        # are transliterated if not exactly encodable. As an example, α may
+        # become a, β may become ß, and so on. However, this is a problem only
+        # if the full path of the LyX document contains an unencodable character
+        # as all other paths are extracted from the document in utf-8 format.
+        from ctypes import WINFUNCTYPE, windll, POINTER, byref, c_int
+        from ctypes.wintypes import LPWSTR, LPCWSTR
+        GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32))
+        CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int))(("CommandLineToArgvW", windll.shell32))
+        argc = c_int(0)
+        argv_unicode = CommandLineToArgvW(GetCommandLineW(), byref(argc))
+        # unicode_argv[0] is the Python interpreter, so skip that.
+        argv = [argv_unicode[i].encode('utf-8') for i in xrange(1, argc.value)]
+        # Also skip option arguments to the Python interpreter.
+        while len(argv) > 0:
+            if not argv[0].startswith("-"):
+                break
+            argv = argv[1:]
+        sys.argv = argv
+
     main(sys.argv)