mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-12-27 22:41:09 +00:00
6c79118290
and using it as library. The lyx2lyx script now becomes a simple cliente. Simple fix in the UserGuide. git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8941 a592a061-630c-0410-9148-cb99ea01b6c8
277 lines
8.6 KiB
Python
277 lines
8.6 KiB
Python
# This file is part of lyx2lyx
|
|
# -*- coding: iso-8859-1 -*-
|
|
# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
from parser_tools import get_value, check_token, find_token
|
|
import os.path
|
|
import gzip
|
|
import sys
|
|
import re
|
|
import string
|
|
|
|
##
|
|
# file format version
|
|
#
|
|
version = "1.4.0cvs"
|
|
default_debug_level = 2
|
|
format_re = re.compile(r"(\d)[\.,]?(\d\d)")
|
|
fileformat = re.compile(r"\\lyxformat\s*(\S*)")
|
|
original_version = re.compile(r"\#LyX (\S*)")
|
|
lst_ft = [210, 215, 216, 217, 218, 220, 221, 223, 224, 225, 226, 227, 228, 229,
|
|
230, 231, 232, 233, 234, 235, 236]
|
|
|
|
format_relation = [("0_10", [210], ["0.10.7","0.10"]),
|
|
("0_12", [215], ["0.12","0.12.1","0.12"]),
|
|
("1_0_0", [215], ["1.0.0","1.0"]),
|
|
("1_0_1", [215], ["1.0.1","1.0.2","1.0.3","1.0.4", "1.1.2","1.1"]),
|
|
("1_1_4", [215], ["1.1.4","1.1"]),
|
|
("1_1_5", [216], ["1.1.5","1.1.5fix1","1.1.5fix2","1.1"]),
|
|
("1_1_6", [217], ["1.1.6","1.1.6fix1","1.1.6fix2","1.1"]),
|
|
("1_1_6fix3", [218], ["1.1.6fix3","1.1.6fix4","1.1"]),
|
|
("1_2", [220], ["1.2.0","1.2.1","1.2.3","1.2.4","1.2"]),
|
|
("1_3", [221], ["1.3.0","1.3.1","1.3.2","1.3.3","1.3.4","1.3"]),
|
|
("1_4", [223,224,225,226,227,228,229,230,231,232,233,234,235, 236], ["1.4.0cvs","1.4"])]
|
|
|
|
|
|
def get_end_format():
|
|
return format_relation[-1:][0][1][-1:][0]
|
|
|
|
|
|
def get_backend(textclass):
|
|
if textclass == "linuxdoc" or textclass == "manpage":
|
|
return "linuxdoc"
|
|
if textclass[:7] == "docbook":
|
|
return "docbook"
|
|
return "latex"
|
|
|
|
|
|
##
|
|
# Class
|
|
#
|
|
class FileInfo:
|
|
"""This class carries all the information of the LyX file."""
|
|
def __init__(self, end_format = 0, input = "", output = "", error = "", debug = default_debug_level):
|
|
if input:
|
|
self.input = self.open(input)
|
|
else:
|
|
self.input = sys.stdin
|
|
if output:
|
|
self.output = open(output, "w")
|
|
else:
|
|
self.output = sys.stdout
|
|
|
|
if error:
|
|
self.err = open(error, "w")
|
|
else:
|
|
self.err = sys.stderr
|
|
|
|
self.debug = debug
|
|
|
|
if end_format:
|
|
self.end_format = self.lyxformat(end_format)
|
|
else:
|
|
self.end_format = get_end_format()
|
|
|
|
self.backend = "latex"
|
|
self.textclass = "article"
|
|
self.header = []
|
|
self.body = []
|
|
self.read()
|
|
|
|
def warning(self, message, debug_level= default_debug_level):
|
|
if debug_level <= self.debug:
|
|
self.err.write(message + "\n")
|
|
|
|
def error(self, message):
|
|
self.warning(message)
|
|
self.warning("Quiting.")
|
|
sys.exit(1)
|
|
|
|
def read(self):
|
|
"""Reads a file into the self.header and self.body parts"""
|
|
preamble = 0
|
|
|
|
while 1:
|
|
line = self.input.readline()
|
|
if not line:
|
|
self.error("Invalid LyX file.")
|
|
|
|
line = line[:-1]
|
|
# remove '\r' from line's end, if present
|
|
if line[-1:] == '\r':
|
|
line = line[:-1]
|
|
|
|
if check_token(line, '\\begin_preamble'):
|
|
preamble = 1
|
|
if check_token(line, '\\end_preamble'):
|
|
preamble = 0
|
|
|
|
if not preamble:
|
|
line = string.strip(line)
|
|
|
|
if not line and not preamble:
|
|
break
|
|
|
|
self.header.append(line)
|
|
|
|
while 1:
|
|
line = self.input.readline()
|
|
if not line:
|
|
break
|
|
# remove '\r' from line's end, if present
|
|
if line[-2:-1] == '\r':
|
|
self.body.append(line[:-2])
|
|
else:
|
|
self.body.append(line[:-1])
|
|
|
|
self.textclass = get_value(self.header, "\\textclass", 0)
|
|
self.backend = get_backend(self.textclass)
|
|
self.format = self.read_format()
|
|
self.language = get_value(self.header, "\\language", 0)
|
|
if self.language == "":
|
|
self.language = "english"
|
|
self.initial_version = self.read_version()
|
|
|
|
def write(self):
|
|
self.set_version()
|
|
self.set_format()
|
|
|
|
for line in self.header:
|
|
self.output.write(line+"\n")
|
|
self.output.write("\n")
|
|
for line in self.body:
|
|
self.output.write(line+"\n")
|
|
|
|
|
|
def open(self, file):
|
|
"""Transparently deals with compressed files."""
|
|
|
|
self.dir = os.path.dirname(os.path.abspath(file))
|
|
try:
|
|
gzip.open(file).readline()
|
|
self.output = gzip.GzipFile("","wb",6,self.output)
|
|
return gzip.open(file)
|
|
except:
|
|
return open(file)
|
|
|
|
def lyxformat(self, format):
|
|
result = format_re.match(format)
|
|
if result:
|
|
format = int(result.group(1) + result.group(2))
|
|
else:
|
|
self.error(str(format) + ": " + "Invalid LyX file.")
|
|
|
|
if format in lst_ft:
|
|
return format
|
|
|
|
self.error(str(format) + ": " + "Format not supported.")
|
|
return None
|
|
|
|
def read_version(self):
|
|
for line in self.header:
|
|
if line[0] != "#":
|
|
return None
|
|
|
|
result = original_version.match(line)
|
|
if result:
|
|
return result.group(1)
|
|
return None
|
|
|
|
def set_version(self):
|
|
self.header[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version
|
|
if self.header[1][0] == '#':
|
|
del self.header[1]
|
|
|
|
def read_format(self):
|
|
for line in self.header:
|
|
result = fileformat.match(line)
|
|
if result:
|
|
return self.lyxformat(result.group(1))
|
|
else:
|
|
self.error("Invalid LyX File.")
|
|
return None
|
|
|
|
|
|
def set_format(self):
|
|
if int(self.format) <= 217:
|
|
format = str(float(format)/100)
|
|
else:
|
|
format = self.format
|
|
i = find_token(self.header, "\\lyxformat", 0)
|
|
self.header[i] = "\\lyxformat %s" % format
|
|
|
|
|
|
def chain(self):
|
|
""" This is where all the decisions related with the convertion are taken"""
|
|
|
|
self.start = self.format
|
|
format = self.format
|
|
correct_version = 0
|
|
|
|
for rel in format_relation:
|
|
if self.initial_version in rel[2]:
|
|
if format in rel[1]:
|
|
initial_step = rel[0]
|
|
correct_version = 1
|
|
break
|
|
|
|
if not correct_version:
|
|
if format <= 215:
|
|
self.warning("Version does not match file format, discarding it.")
|
|
for rel in format_relation:
|
|
if format in rel[1]:
|
|
initial_step = rel[0]
|
|
break
|
|
else:
|
|
# This should not happen, really.
|
|
self.error("Format not supported.")
|
|
|
|
# Find the final step
|
|
for rel in format_relation:
|
|
if self.end_format in rel[1]:
|
|
final_step = rel[0]
|
|
break
|
|
else:
|
|
self.error("Format not supported.")
|
|
|
|
# Convertion mode, back or forth
|
|
steps = []
|
|
if (initial_step, self.start) < (final_step, self.end_format):
|
|
mode = "convert"
|
|
first_step = 1
|
|
for step in format_relation:
|
|
if initial_step <= step[0] <= final_step:
|
|
if first_step and len(step[1]) == 1:
|
|
first_step = 0
|
|
continue
|
|
steps.append(step[0])
|
|
else:
|
|
mode = "revert"
|
|
relation_format = format_relation
|
|
relation_format.reverse()
|
|
last_step = None
|
|
|
|
for step in relation_format:
|
|
if final_step <= step[0] <= initial_step:
|
|
steps.append(step[0])
|
|
last_step = step
|
|
|
|
if last_step[1][-1] == self.end_format:
|
|
steps.pop()
|
|
|
|
return mode, steps
|