Adapt lyxpak.py to work with Python 3 on Windows

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.
This commit is contained in:
Enrico Forestieri 2024-02-09 22:46:05 +01:00
parent 4c16897ad5
commit fe99f7b01e
3 changed files with 231 additions and 5 deletions

View File

@ -2746,6 +2746,7 @@ dist_scripts_DATA += \
scripts/lyxpaperview.py \
scripts/lyxpreview2bitmap.py \
scripts/lyxpreview_tools.py \
scripts/lyxwin_getopt.py \
scripts/lyx_batch.pl.in \
scripts/prefs2prefs.py \
scripts/prefs2prefs_lfuns.py \

View File

@ -17,7 +17,6 @@
from __future__ import print_function
import gzip, os, re, sys
from getopt import getopt
from io import BytesIO
import subprocess
@ -35,6 +34,9 @@ running_on_windows = (os.name == 'nt')
if running_on_windows:
from shutil import copyfile
from tempfile import NamedTemporaryFile
from lyxwin_getopt import getopt
else:
from getopt import getopt
# Pre-compiled regular expressions.
re_lyxfile = re.compile(br"\.lyx$")
@ -128,7 +130,7 @@ def gather_files(curfile, incfiles, lyx2lyx):
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')
l2l_stdout = l2l_stdout.replace(b'\r\r\n', b'\r\n')
lines = l2l_stdout.splitlines()
else:
input = gzopen(curfile)
@ -224,7 +226,10 @@ def find_lyx2lyx(progloc, path):
# for $SOMEDIR/lyx2lyx/lyx2lyx.
ourpath = os.path.dirname(abspath(progloc))
(upone, discard) = os.path.split(ourpath)
tryit = os.path.join(upone, "lyx2lyx", "lyx2lyx")
if running_on_windows:
tryit = os.path.join(upone, b"lyx2lyx", b"lyx2lyx")
else:
tryit = os.path.join(upone, "lyx2lyx", "lyx2lyx")
if os.access(tryit, os.X_OK):
return tryit
@ -265,7 +270,10 @@ def main(args):
ourprog = args[0]
try:
(options, argv) = getopt(args[1:], "htzl:o:")
if running_on_windows:
(options, argv) = getopt(args[1:], b"htzl:o:")
else:
(options, argv) = getopt(args[1:], "htzl:o:")
except:
error(usage(ourprog))
@ -393,7 +401,7 @@ if __name__ == "__main__":
argv = [argv_unicode[i].encode('utf-8') for i in range(1, argc.value)]
# Also skip option arguments to the Python interpreter.
while len(argv) > 0:
if not argv[0].startswith("-"):
if not argv[0].startswith(b"-"):
break
argv = argv[1:]
sys.argv = argv

217
lib/scripts/lyxwin_getopt.py Executable file
View File

@ -0,0 +1,217 @@
# -*- coding: utf-8 -*-
"""Parser for command line options.
This module helps scripts to parse the command line arguments in
sys.argv. It supports the same conventions as the Unix getopt()
function (including the special meanings of arguments of the form `-'
and `--'). Long options similar to those supported by GNU software
may be used as well via an optional third argument. This module
provides two functions and an exception:
getopt() -- Parse command line options
gnu_getopt() -- Like getopt(), but allow option and non-option arguments
to be intermixed.
GetoptError -- exception (class) raised with 'opt' attribute, which is the
option involved with the exception.
"""
# Long option support added by Lars Wirzenius <liw@iki.fi>.
#
# Gerrit Holl <gerrit@nl.linux.org> moved the string-based exceptions
# to class-based exceptions.
#
# Peter Åstrand <astrand@lysator.liu.se> added gnu_getopt().
#
# TODO for gnu_getopt():
#
# - GNU getopt_long_only mechanism
# - allow the caller to specify ordering
# - RETURN_IN_ORDER option
# - GNU extension with '-' as first character of option string
# - optional arguments, specified by double colons
# - an option string with a W followed by semicolon should
# treat "-W foo" as "--foo"
__all__ = ["GetoptError","error","getopt","gnu_getopt"]
import os
try:
from gettext import gettext as _
except ImportError:
# Bootstrapping Python: gettext's dependencies not built yet
def _(s): return s
class GetoptError(Exception):
opt = ''
msg = ''
def __init__(self, msg, opt=''):
self.msg = msg
self.opt = opt
Exception.__init__(self, msg, opt)
def __str__(self):
return self.msg
error = GetoptError # backward compatibility
def getopt(args, shortopts, longopts = []):
"""getopt(args, options[, long_options]) -> opts, args
Parses command line options and parameter list. args is the
argument list to be parsed, without the leading reference to the
running program. Typically, this means "sys.argv[1:]". shortopts
is the string of option letters that the script wants to
recognize, with options that require an argument followed by a
colon (i.e., the same format that Unix getopt() uses). If
specified, longopts is a list of strings with the names of the
long options which should be supported. The leading '--'
characters should not be included in the option name. Options
which require an argument should be followed by an equal sign
('=').
The return value consists of two elements: the first is a list of
(option, value) pairs; the second is the list of program arguments
left after the option list was stripped (this is a trailing slice
of the first argument). Each option-and-value pair returned has
the option as its first element, prefixed with a hyphen (e.g.,
'-x'), and the option argument as its second element, or an empty
string if the option has no argument. The options occur in the
list in the same order in which they were found, thus allowing
multiple occurrences. Long and short options may be mixed.
"""
opts = []
if type(longopts) == type(""):
longopts = [longopts]
else:
longopts = list(longopts)
while args and args[0].startswith(b'-') and args[0] != '-':
if args[0] == '--':
args = args[1:]
break
if args[0].startswith(b'--'):
opts, args = do_longs(opts, args[0][2:], longopts, args[1:])
else:
opts, args = do_shorts(opts, args[0][1:], shortopts, args[1:])
return opts, args
def gnu_getopt(args, shortopts, longopts = []):
"""getopt(args, options[, long_options]) -> opts, args
This function works like getopt(), except that GNU style scanning
mode is used by default. This means that option and non-option
arguments may be intermixed. The getopt() function stops
processing options as soon as a non-option argument is
encountered.
If the first character of the option string is `+', or if the
environment variable POSIXLY_CORRECT is set, then option
processing stops as soon as a non-option argument is encountered.
"""
opts = []
prog_args = []
if isinstance(longopts, str):
longopts = [longopts]
else:
longopts = list(longopts)
# Allow options after non-option arguments?
if shortopts.startswith(b'+'):
shortopts = shortopts[1:]
all_options_first = True
elif os.environ.get("POSIXLY_CORRECT"):
all_options_first = True
else:
all_options_first = False
while args:
if args[0] == '--':
prog_args += args[1:]
break
if args[0][:2] == '--':
opts, args = do_longs(opts, args[0][2:], longopts, args[1:])
elif args[0][:1] == '-' and args[0] != '-':
opts, args = do_shorts(opts, args[0][1:], shortopts, args[1:])
else:
if all_options_first:
prog_args += args
break
else:
prog_args.append(args[0])
args = args[1:]
return opts, prog_args
def do_longs(opts, opt, longopts, args):
try:
i = opt.index('=')
except ValueError:
optarg = None
else:
opt, optarg = opt[:i], opt[i+1:]
has_arg, opt = long_has_args(opt, longopts)
if has_arg:
if optarg is None:
if not args:
raise GetoptError(_('option --%s requires argument') % opt, opt)
optarg, args = args[0], args[1:]
elif optarg is not None:
raise GetoptError(_('option --%s must not have an argument') % opt, opt)
opts.append(('--' + opt, optarg or ''))
return opts, args
# Return:
# has_arg?
# full option name
def long_has_args(opt, longopts):
possibilities = [o for o in longopts if o.startswith(opt)]
if not possibilities:
raise GetoptError(_('option --%s not recognized') % opt, opt)
# Is there an exact match?
if opt in possibilities:
return False, opt
elif opt + '=' in possibilities:
return True, opt
# No exact match, so better be unique.
if len(possibilities) > 1:
# XXX since possibilities contains all valid continuations, might be
# nice to work them into the error msg
raise GetoptError(_('option --%s not a unique prefix') % opt, opt)
assert len(possibilities) == 1
unique_match = possibilities[0]
has_arg = unique_match.endswith('=')
if has_arg:
unique_match = unique_match[:-1]
return has_arg, unique_match
def do_shorts(opts, optstring, shortopts, args):
while optstring != '':
opt, optstring = optstring[0], optstring[1:]
if short_has_arg(opt, shortopts):
if optstring == '':
if not args:
raise GetoptError(_('option -%s requires argument') % opt,
opt)
optstring, args = args[0], args[1:]
optarg, optstring = optstring, ''
else:
optarg = ''
opts.append(('-' + opt, optarg))
return opts, args
def short_has_arg(opt, shortopts):
for i in range(len(shortopts)):
if opt == shortopts[i] != ':':
return shortopts.startswith(b':', i+1)
raise GetoptError(_('option -%s not recognized') % opt, opt)
if __name__ == '__main__':
import sys
print(getopt(sys.argv[1:], "a:b", ["alpha=", "beta"]))