mirror of
https://git.lyx.org/repos/lyx.git
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fe99f7b01e
Seemingly, the elements of argv on Windows are a different type with respect to Linux. A patched version of getopt.py has to be used on Windows in order to match variable types.
410 lines
14 KiB
Python
Executable File
410 lines
14 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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# file lyxpak.py
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# This file is part of LyX, the document processor.
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# Licence details can be found in the file COPYING.
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# author Enrico Forestieri
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# author Richard Kimberly Heck
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# Full author contact details are available in file CREDITS
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# This script creates a tar or zip archive with a lyx file and all included
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# files (graphics and so on). By default, the created archive is the standard
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# type on a given platform, such that a zip archive is created on Windows and
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# a gzip compressed tar archive on *nix. This can be controlled by command
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# line options, however.
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from __future__ import print_function
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import gzip, os, re, sys
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from io import BytesIO
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import subprocess
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# Provide support for both python 2 and 3
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if sys.version_info[0] != 2:
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def unicode(arg, enc):
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return arg
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# The path to the current python executable. sys.executable may fail, so in
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# this case we revert to simply calling "python" from the path.
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PYTHON_BIN = sys.executable if sys.executable else "python"
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running_on_windows = (os.name == 'nt')
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if running_on_windows:
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from shutil import copyfile
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from tempfile import NamedTemporaryFile
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from lyxwin_getopt import getopt
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else:
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from getopt import getopt
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# Pre-compiled regular expressions.
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re_lyxfile = re.compile(br"\.lyx$")
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re_input = re.compile(b'^(.*)\\\\(input|include){(\\s*)(.+)(\\s*)}.*$')
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re_ertinput = re.compile(b'^(input|include)({)(\\s*)(.+)(\\s*)}.*$')
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re_package = re.compile(b'^(.*)\\\\(usepackage){(\\s*)(.+)(\\s*)}.*$')
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re_class = re.compile(b'^(\\\\)(textclass)(\\s+)(.+)\\s*$')
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re_norecur = re.compile(b'^(.*)\\\\(verbatiminput|lstinputlisting|includegraphics\\[*.*\\]*){(\\s*)(.+)(\\s*)}.*$')
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re_ertnorecur = re.compile(b'^(verbatiminput|lstinputlisting|includegraphics\\[*.*\\]*)({)(\\s*)(.+)(\\s*)}.*$')
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re_filename = re.compile(b'^(\\s*)(filename)(\\s+)(.+)\\s*$')
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re_options = re.compile(b'^(\\s*)options(\\s+)(.+)\\s*$')
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re_bibfiles = re.compile(b'^(\\s*)bibfiles(\\s+)(.+)\\s*$')
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def usage(prog_name):
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msg = '''
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Usage: %s [-t] [-z] [-l path] [-o output_dir] file.lyx
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Options:
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-l: Path to lyx2lyx script
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-o: Directory for output
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-t: Create gzipped tar file
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-z: Create zip file
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By default, we create file.zip on Windows and file.tar.gz on *nix,
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with the file output to where file.lyx is, and we look for lyx2lyx
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in the known locations, querying LyX itself if necessary.
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'''
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return msg % prog_name
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def error(message):
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sys.stderr.write(message + '\n')
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sys.exit(1)
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def tostr(message):
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return message.decode(sys.getfilesystemencoding())
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def gzopen(file):
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input = open(file.decode('utf-8'), 'rb')
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magicnum = input.read(2)
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input.close()
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if magicnum == b"\x1f\x8b":
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return gzip.open(file.decode('utf-8'))
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return open(file.decode('utf-8'), 'rb')
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def find_exe(candidates, extlist, path):
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for prog in candidates:
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for directory in path:
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for ext in extlist:
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full_path = os.path.join(directory, prog + ext)
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if os.access(full_path, os.X_OK):
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return prog, full_path
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return None, None
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def abspath(name):
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" Resolve symlinks and returns the absolute normalized name."
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newname = os.path.normpath(os.path.abspath(name))
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if not running_on_windows:
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newname = os.path.realpath(newname)
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return newname
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def gather_files(curfile, incfiles, lyx2lyx):
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" Recursively gather files."
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curdir = os.path.dirname(abspath(curfile))
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is_lyxfile = re_lyxfile.search(curfile)
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if is_lyxfile:
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if running_on_windows:
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# subprocess cannot cope with unicode arguments and we cannot be
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# sure that curfile can be correctly converted to the current
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# code page. So, we resort to running lyx2lyx on a copy.
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tmp = NamedTemporaryFile(delete=False)
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tmp.close()
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copyfile(curfile.decode('utf-8'), tmp.name)
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try:
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l2l_stdout = subprocess.check_output([PYTHON_BIN, lyx2lyx, tmp.name])
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except subprocess.CalledProcessError:
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error('%s failed to convert "%s"' % (lyx2lyx, tostr(curfile)))
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os.unlink(tmp.name)
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else:
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try:
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l2l_stdout = subprocess.check_output([PYTHON_BIN, lyx2lyx, curfile])
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except subprocess.CalledProcessError:
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error('%s failed to convert "%s"' % (lyx2lyx, tostr(curfile)))
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if l2l_stdout.startswith(b"\x1f\x8b"):
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l2l_stdout = gzip.GzipFile("", "rb", 0, BytesIO(l2l_stdout)).read()
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elif running_on_windows:
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# For some unknown reason, there can be a spurious '\r' in the line
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# separators, causing spurious empty lines when calling splitlines.
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l2l_stdout = l2l_stdout.replace(b'\r\r\n', b'\r\n')
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lines = l2l_stdout.splitlines()
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else:
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input = gzopen(curfile)
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lines = input.readlines()
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input.close()
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maybe_in_ert = False
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i = 0
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while i < len(lines):
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# Gather used files.
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recursive = True
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extlist = [b'']
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match = re_filename.match(lines[i])
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if not match:
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if maybe_in_ert:
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match = re_ertinput.match(lines[i])
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else:
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match = re_input.match(lines[i])
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if not match:
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match = re_package.match(lines[i])
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extlist = [b'.sty']
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if not match:
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match = re_class.match(lines[i])
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extlist = [b'.cls']
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if not match:
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if maybe_in_ert:
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match = re_ertnorecur.match(lines[i])
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else:
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match = re_norecur.match(lines[i])
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extlist = [b'', b'.eps', b'.pdf', b'.png', b'.jpg']
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recursive = False
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maybe_in_ert = is_lyxfile and lines[i] == b"\\backslash"
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if match:
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file = match.group(4).strip(b'"')
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if not os.path.isabs(file):
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file = os.path.join(curdir, file)
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file_exists = False
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if not os.path.isdir(unicode(file, 'utf-8')):
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for ext in extlist:
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if os.path.exists(unicode(file + ext, 'utf-8')):
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file = file + ext
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file_exists = True
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break
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if file_exists and not abspath(file) in incfiles:
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incfiles.append(abspath(file))
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if recursive:
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gather_files(file, incfiles, lyx2lyx)
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i += 1
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continue
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if not is_lyxfile:
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i += 1
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continue
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# Gather bibtex *.bst files.
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match = re_options.match(lines[i])
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if match:
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file = match.group(3).strip(b'"')
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if file.startswith(b"bibtotoc,"):
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file = file[9:]
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if not os.path.isabs(file):
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file = os.path.join(curdir, file + b'.bst')
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if os.path.exists(unicode(file, 'utf-8')):
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incfiles.append(abspath(file))
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i += 1
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continue
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# Gather bibtex *.bib files.
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match = re_bibfiles.match(lines[i])
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if match:
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bibfiles = match.group(3).strip(b'"').split(b',')
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j = 0
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while j < len(bibfiles):
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if os.path.isabs(bibfiles[j]):
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file = bibfiles[j] + b'.bib'
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else:
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file = os.path.join(curdir, bibfiles[j] + b'.bib')
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if os.path.exists(unicode(file, 'utf-8')):
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incfiles.append(abspath(file))
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j += 1
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i += 1
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continue
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i += 1
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return 0
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def find_lyx2lyx(progloc, path):
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" Find a usable version of the lyx2lyx script. "
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# first we will see if the script is roughly where we are
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# i.e., we will assume we are in $SOMEDIR/scripts and look
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# for $SOMEDIR/lyx2lyx/lyx2lyx.
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ourpath = os.path.dirname(abspath(progloc))
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(upone, discard) = os.path.split(ourpath)
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if running_on_windows:
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tryit = os.path.join(upone, b"lyx2lyx", b"lyx2lyx")
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else:
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tryit = os.path.join(upone, "lyx2lyx", "lyx2lyx")
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if os.access(tryit, os.X_OK):
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return tryit
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# now we will try to query LyX itself to find the path.
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extlist = ['']
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if "PATHEXT" in os.environ:
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extlist = extlist + os.environ["PATHEXT"].split(os.pathsep)
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lyx_exe, full_path = find_exe(["lyxc", "lyx"], extlist, path)
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if lyx_exe is None:
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error('Cannot find the LyX executable in the path.')
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try:
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cmd_stdout = subprocess.check_output([lyx_exe, '-version'], stderr=subprocess.STDOUT)
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except subprocess.CalledProcessError:
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error('Cannot query LyX about the lyx2lyx script.')
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re_msvc = re.compile(r'^(\s*)(Host type:)(\s+)(win32)$')
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re_sysdir = re.compile(r'^(\s*)(LyX files dir:)(\s+)(\S+)$')
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lines = cmd_stdout.splitlines()
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for line in lines:
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match = re_msvc.match(line)
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if match:
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# The LyX executable was built with MSVC, so the
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# "LyX files dir:" line is unusable
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basedir = os.path.dirname(os.path.dirname(full_path))
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tryit = os.path.join(basedir, 'Resources', 'lyx2lyx', 'lyx2lyx')
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break
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match = re_sysdir.match(line)
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if match:
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tryit = os.path.join(match.group(4), 'lyx2lyx', 'lyx2lyx')
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break
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if not os.access(tryit, os.X_OK):
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error('Unable to find the lyx2lyx script.')
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return tryit
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def main(args):
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ourprog = args[0]
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try:
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if running_on_windows:
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(options, argv) = getopt(args[1:], b"htzl:o:")
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else:
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(options, argv) = getopt(args[1:], "htzl:o:")
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except:
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error(usage(ourprog))
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# we expect the filename to be left
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if len(argv) != 1:
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error(usage(ourprog))
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makezip = running_on_windows
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outdir = ""
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lyx2lyx = None
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for (opt, param) in options:
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if opt == "-h":
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print(usage(ourprog))
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sys.exit(0)
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elif opt == "-t":
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makezip = False
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elif opt == "-z":
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makezip = True
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elif opt == "-l":
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lyx2lyx = param
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elif opt == "-o":
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outdir = param
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if not os.path.isdir(unicode(outdir, 'utf-8')):
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error('Error: "%s" is not a directory.' % outdir)
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lyxfile = argv[0]
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if not running_on_windows:
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lyxfile = unicode(lyxfile, sys.getfilesystemencoding()).encode('utf-8')
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if not os.path.exists(unicode(lyxfile, 'utf-8')):
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error('File "%s" not found.' % tostr(lyxfile))
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# Check that it actually is a LyX document
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input = gzopen(lyxfile)
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line = input.readline()
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input.close()
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if not (line and line.startswith(b'#LyX')):
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error('File "%s" is not a LyX document.' % tostr(lyxfile))
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if makezip:
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import zipfile
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else:
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import tarfile
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ar_ext = b".tar.gz"
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if makezip:
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ar_ext = b".zip"
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ar_name = re_lyxfile.sub(ar_ext, abspath(lyxfile)).decode('utf-8')
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if outdir:
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ar_name = os.path.join(abspath(outdir), os.path.basename(ar_name))
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path = os.environ["PATH"].split(os.pathsep)
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if lyx2lyx is None:
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lyx2lyx = find_lyx2lyx(ourprog, path)
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# Initialize the list with the specified LyX file and recursively
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# gather all required files (also from child documents).
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incfiles = [abspath(lyxfile)]
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gather_files(lyxfile, incfiles, lyx2lyx)
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# Find the topmost dir common to all files
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path_sep = os.path.sep.encode('utf-8')
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if len(incfiles) > 1:
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topdir = os.path.commonprefix(incfiles)
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# As os.path.commonprefix() works on a character by character basis,
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# rather than on path elements, we need to remove any trailing bytes.
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topdir = topdir.rpartition(path_sep)[0] + path_sep
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else:
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topdir = os.path.dirname(incfiles[0]) + path_sep
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# Remove the prefix common to all paths in the list
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i = 0
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while i < len(incfiles):
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incfiles[i] = incfiles[i].replace(topdir, b'', 1)
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i += 1
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# Remove duplicates and sort the list
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incfiles = list(set(incfiles))
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incfiles.sort()
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if topdir != '':
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os.chdir(unicode(topdir, 'utf-8'))
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# Create the archive
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try:
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if makezip:
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zip = zipfile.ZipFile(ar_name, "w", zipfile.ZIP_DEFLATED)
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for file in incfiles:
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zip.write(file.decode('utf-8'))
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zip.close()
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else:
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tar = tarfile.open(ar_name, "w:gz")
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for file in incfiles:
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tar.add(file.decode('utf-8'))
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tar.close()
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except:
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error('Failed to create LyX archive "%s"' % ar_name)
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print('LyX archive "%s" created successfully.' % ar_name)
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return 0
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if __name__ == "__main__":
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if running_on_windows:
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# This works around <http://bugs.python.org/issue2128> for Python 2.
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# All arguments are retrieved in unicode format and converted to utf-8.
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# In this way, when launched from the command line, lyxpak.py can deal
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# with any non-ascii names. Unfortunately, this is not the case when
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# launched by LyX, because LyX converts the arguments of the converters
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# to the filesystem encoding. On Windows this corresponds to the current
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# code page and not to the UTF-16 encoding used by NTFS, such that they
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# are transliterated if not exactly encodable. As an example, α may
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# become a, β may become ß, and so on. However, this is a problem only
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# if the full path of the LyX document contains an unencodable character
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# as all other paths are extracted from the document in utf-8 format.
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from ctypes import WINFUNCTYPE, windll, POINTER, byref, c_int
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from ctypes.wintypes import LPWSTR, LPCWSTR
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GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32))
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CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int))(("CommandLineToArgvW", windll.shell32))
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argc = c_int(0)
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argv_unicode = CommandLineToArgvW(GetCommandLineW(), byref(argc))
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# unicode_argv[0] is the Python interpreter, so skip that.
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argv = [argv_unicode[i].encode('utf-8') for i in range(1, argc.value)]
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# Also skip option arguments to the Python interpreter.
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while len(argv) > 0:
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if not argv[0].startswith(b"-"):
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break
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argv = argv[1:]
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sys.argv = argv
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main(sys.argv)
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