# This file is part of lyx2lyx
-# -*- coding: iso-8859-1 -*-
-# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
+# -*- coding: utf-8 -*-
+# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>
+# Copyright (C) 2002-2006 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
# 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,\
- find_tokens, find_end_of, find_end_of_inset
+" The LyX module has all the rules related with different lyx file formats."
+
+from parser_tools import get_value, check_token, find_token, \
+ find_tokens, find_end_of
import os.path
import gzip
+import locale
import sys
import re
-import string
import time
-version_lyx2lyx = "1.4.0cvs"
-default_debug_level = 2
+try:
+ import lyx2lyx_version
+ version__ = lyx2lyx_version.version
+except: # we are running from build directory so assume the last version
+ version__ = '1.6.0svn'
+
+default_debug__ = 2
+
+####################################################################
+# Private helper functions
+
+def find_end_of_inset(lines, i):
+ " Find beginning of inset, where lines[i] is included."
+ return find_end_of(lines, i, "\\begin_inset", "\\end_inset")
+
+def minor_versions(major, last_minor_version):
+ """ Generate minor versions, using major as prefix and minor
+ versions from 0 until last_minor_version, plus the generic version.
+
+ Example:
+
+ minor_versions("1.2", 4) ->
+ [ "1.2", "1.2.0", "1.2.1", "1.2.2", "1.2.3"]
+ """
+ return [major] + [major + ".%d" % i for i in range(last_minor_version + 1)]
+
+
+# End of helper functions
+####################################################################
+
# Regular expressions used
format_re = re.compile(r"(\d)[\.,]?(\d\d)")
fileformat = re.compile(r"\\lyxformat\s*(\S*)")
-original_version = re.compile(r"\#LyX (\S*)")
+original_version = re.compile(r".*?LyX ([\d.]*)")
##
# file format information:
# file, supported formats, stable release versions
-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","1.3.5","1.3"]),
- ("1_4", range(223,242), ["1.4.0cvs","1.4"])]
+format_relation = [("0_06", [200], minor_versions("0.6" , 4)),
+ ("0_08", [210], minor_versions("0.8" , 6) + ["0.7"]),
+ ("0_10", [210], minor_versions("0.10", 7) + ["0.9"]),
+ ("0_12", [215], minor_versions("0.12", 1) + ["0.11"]),
+ ("1_0", [215], minor_versions("1.0" , 4)),
+ ("1_1", [215], minor_versions("1.1" , 4)),
+ ("1_1_5", [216], ["1.1.5","1.1.5.1","1.1.5.2","1.1"]),
+ ("1_1_6_0", [217], ["1.1.6","1.1.6.1","1.1.6.2","1.1"]),
+ ("1_1_6_3", [218], ["1.1.6.3","1.1.6.4","1.1"]),
+ ("1_2", [220], minor_versions("1.2" , 4)),
+ ("1_3", [221], minor_versions("1.3" , 7)),
+ ("1_4", range(222,246), minor_versions("1.4" , 5)),
+ ("1_5", range(246,277), minor_versions("1.5" , 2)),
+ ("1_6", range(277,312), minor_versions("1.6" , 0))] # Richard Heck: AMS conversion
def formats_list():
return "latex"
+def trim_eol(line):
+ " Remove end of line char(s)."
+ if line[-2:-1] == '\r':
+ return line[:-2]
+ else:
+ return line[:-1]
+
+
+def get_encoding(language, inputencoding, format, cjk_encoding):
+ " Returns enconding of the lyx file"
+ if format > 248:
+ return "utf8"
+ # CJK-LyX encodes files using the current locale encoding.
+ # This means that files created by CJK-LyX can only be converted using
+ # the correct locale settings unless the encoding is given as commandline
+ # argument.
+ if cjk_encoding == 'auto':
+ return locale.getpreferredencoding()
+ elif cjk_encoding:
+ return cjk_encoding
+ from lyx2lyx_lang import lang
+ if inputencoding == "auto" or inputencoding == "default":
+ return lang[language][3]
+ if inputencoding == "":
+ return "latin1"
+ # python does not know the alias latin9
+ if inputencoding == "latin9":
+ return "iso-8859-15"
+ return inputencoding
+
##
# Class
#
-class LyX_Base:
+class LyX_base:
"""This class carries all the information of the LyX file."""
- def __init__(self, end_format = 0, input = "", output = "", error = "", debug = default_debug_level, try_hard = 0):
+
+ def __init__(self, end_format = 0, input = "", output = "", error = "",
+ debug = default_debug__, try_hard = 0, cjk_encoding = '',
+ language = "english", encoding = "auto"):
+
"""Arguments:
end_format: final format that the file should be converted. (integer)
input: the name of the input source, if empty resort to standard input.
error: the name of the error file, if empty use the standard error.
debug: debug level, O means no debug, as its value increases be more verbose.
"""
- if input and input != '-':
- self.input = self.open(input)
- else:
- self.input = sys.stdin
- if output:
- self.output = open(output, "w")
- else:
- self.output = sys.stdout
+ self.choose_io(input, output)
if error:
self.err = open(error, "w")
self.debug = debug
self.try_hard = try_hard
+ self.cjk_encoding = cjk_encoding
if end_format:
self.end_format = self.lyxformat(end_format)
self.backend = "latex"
self.textclass = "article"
+ # This is a hack: We use '' since we don't know the default
+ # layout of the text class. LyX will parse it as default layout.
+ # FIXME: Read the layout file and use the real default layout
+ self.default_layout = ''
self.header = []
+ self.preamble = []
self.body = []
self.status = 0
+ self.encoding = encoding
+ self.language = language
- def warning(self, message, debug_level= default_debug_level):
- " Emits warning to self.error, if the debug_level is less than the self.debug."
+ def warning(self, message, debug_level= default_debug__):
+ """ Emits warning to self.error, if the debug_level is less
+ than the self.debug."""
if debug_level <= self.debug:
self.err.write("Warning: " + message + "\n")
def read(self):
- """Reads a file into the self.header and self.body parts, from self.input."""
- preamble = 0
+ """Reads a file into the self.header and
+ self.body parts, from self.input."""
- while 1:
+ while True:
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]
-
+ line = trim_eol(line)
if check_token(line, '\\begin_preamble'):
- preamble = 1
+ while 1:
+ line = self.input.readline()
+ if not line:
+ self.error("Invalid LyX file.")
+
+ line = trim_eol(line)
+ if check_token(line, '\\end_preamble'):
+ break
+
+ if line.split()[:0] in ("\\layout",
+ "\\begin_layout", "\\begin_body"):
+
+ self.warning("Malformed LyX file:"
+ "Missing '\\end_preamble'."
+ "\nAdding it now and hoping"
+ "for the best.")
+
+ self.preamble.append(line)
+
if check_token(line, '\\end_preamble'):
- preamble = 0
+ continue
- if not preamble:
- line = string.strip(line)
+ line = line.strip()
+ if not line:
+ continue
- if not line and not preamble:
+ if line.split()[0] in ("\\layout", "\\begin_layout",
+ "\\begin_body", "\\begin_deeper"):
+ self.body.append(line)
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.language = get_value(self.header, "\\language", 0,
+ default = "english")
+ self.inputencoding = get_value(self.header, "\\inputencoding",
+ 0, default = "auto")
+ self.encoding = get_encoding(self.language,
+ self.inputencoding, self.format,
+ self.cjk_encoding)
self.initial_version = self.read_version()
+ # Second pass over header and preamble, now we know the file encoding
+ for i in range(len(self.header)):
+ self.header[i] = self.header[i].decode(self.encoding)
+ for i in range(len(self.preamble)):
+ self.preamble[i] = self.preamble[i].decode(self.encoding)
+
+ # Read document body
+ while 1:
+ line = self.input.readline().decode(self.encoding)
+ if not line:
+ break
+ self.body.append(trim_eol(line))
+
def write(self):
" Writes the LyX file to self.output."
self.set_version()
self.set_format()
+ self.set_textclass()
+ if self.encoding == "auto":
+ self.encoding = get_encoding(self.language, self.encoding,
+ self.format, self.cjk_encoding)
+ if self.preamble:
+ i = find_token(self.header, '\\textclass', 0) + 1
+ preamble = ['\\begin_preamble'] + self.preamble + ['\\end_preamble']
+ if i == 0:
+ self.error("Malformed LyX file: Missing '\\textclass'.")
+ else:
+ header = self.header[:i] + preamble + self.header[i:]
+ else:
+ header = self.header
- for line in self.header:
- self.output.write(line+"\n")
- self.output.write("\n")
- for line in self.body:
- self.output.write(line+"\n")
+ for line in header + [''] + self.body:
+ self.output.write(line.encode(self.encoding)+"\n")
- def open(self, file):
- """Transparently deals with compressed files."""
+ def choose_io(self, input, output):
+ """Choose input and output streams, dealing transparently 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)
+ if output:
+ self.output = open(output, "wb")
+ else:
+ self.output = sys.stdout
+
+ if input and input != '-':
+ self.dir = os.path.dirname(os.path.abspath(input))
+ try:
+ gzip.open(input).readline()
+ self.input = gzip.open(input)
+ self.output = gzip.GzipFile(mode="wb", fileobj=self.output)
+ except:
+ self.input = open(input)
+ else:
+ self.dir = ''
+ self.input = sys.stdin
def lyxformat(self, format):
result = format_re.match(format)
if result:
format = int(result.group(1) + result.group(2))
+ elif format == '2':
+ format = 200
else:
self.error(str(format) + ": " + "Invalid LyX file.")
def read_version(self):
- """ Searchs for clues of the LyX version used to write the file, returns the
- most likely value, or None otherwise."""
+ """ Searchs for clues of the LyX version used to write the
+ file, returns the most likely value, or None otherwise."""
+
for line in self.header:
if line[0] != "#":
return None
+ line = line.replace("fix",".")
result = original_version.match(line)
if result:
- return result.group(1)
+ # Special know cases: reLyX and KLyX
+ if line.find("reLyX") != -1 or line.find("KLyX") != -1:
+ return "0.12"
+
+ res = result.group(1)
+ if not res:
+ self.warning(line)
+ #self.warning("Version %s" % result.group(1))
+ return res
+ self.warning(str(self.header[:2]))
return None
def set_version(self):
" Set the header with the version used."
- self.header[0] = "#LyX %s created this file. For more info see http://www.lyx.org/" % version_lyx2lyx
+ self.header[0] = " ".join(["#LyX %s created this file." % version__,
+ "For more info see http://www.lyx.org/"])
if self.header[1][0] == '#':
del self.header[1]
self.header[i] = "\\lyxformat %s" % format
+ def set_textclass(self):
+ i = find_token(self.header, "\\textclass", 0)
+ self.header[i] = "\\textclass %s" % self.textclass
+
+
+ #Note that the module will be added at the END of the extant ones
+ def add_module(self, module):
+ i = find_token(self.header, "\\begin_modules", 0)
+ if i == -1:
+ #No modules yet included
+ i = find_token(self.header, "\\textclass", 0)
+ if i == -1:
+ self.warning("Malformed LyX document: No \\textclass!!")
+ return
+ modinfo = ["\\begin_modules", module, "\\end_modules"]
+ self.header[i + 1: i + 1] = modinfo
+ return
+ j = find_token(self.header, "\\end_modules", i)
+ if j == -1:
+ self.warning("Malformed LyX document: No \\end_modules.")
+ return
+ k = find_token(self.header, module, i)
+ if k != -1 and k < j:
+ return
+ self.header.insert(j, module)
+
+
def set_parameter(self, param, value):
" Set the value of the header parameter."
i = find_token(self.header, '\\' + param, 0)
if i == -1:
- self.warning(3, 'Parameter not found in the header: %s' % param)
+ self.warning('Parameter not found in the header: %s' % param, 3)
return
self.header[i] = '\\%s %s' % (param, str(value))
+ def is_default_layout(self, layout):
+ " Check whether a layout is the default layout of this class."
+ # FIXME: Check against the real text class default layout
+ if layout == 'Standard' or layout == self.default_layout:
+ return 1
+ return 0
+
+
def convert(self):
"Convert from current (self.format) to self.end_format."
mode, convertion_chain = self.chain()
for step in convertion_chain:
steps = getattr(__import__("lyx_" + step), mode)
- self.warning("Convertion step: %s - %s" % (step, mode), default_debug_level + 1)
+ self.warning("Convertion step: %s - %s" % (step, mode),
+ default_debug__ + 1)
if not steps:
- self.error("The convertion to an older format (%s) is not implemented." % self.format)
+ self.error("The convertion to an older "
+ "format (%s) is not implemented." % self.format)
multi_conv = len(steps) != 1
for version, table in steps:
try:
conv(self)
except:
- self.warning("An error ocurred in %s, %s" % (version, str(conv)),
- default_debug_level)
+ self.warning("An error ocurred in %s, %s" %
+ (version, str(conv)),
+ default_debug__)
if not self.try_hard:
raise
self.status = 2
else:
- self.warning("%lf: Elapsed time on %s" % (time.time() - init_t, str(conv)),
- default_debug_level + 1)
-
+ self.warning("%lf: Elapsed time on %s" %
+ (time.time() - init_t,
+ str(conv)), default_debug__ +
+ 1)
self.format = version
if self.end_format == self.format:
return
def chain(self):
- """ This is where all the decisions related with the convertion are taken.
- It returns a list of modules needed to convert the LyX file from
- self.format to self.end_format"""
+ """ This is where all the decisions related with the
+ convertion are taken. It returns a list of modules needed to
+ convert the LyX file from self.format to self.end_format"""
self.start = self.format
format = self.format
if not correct_version:
if format <= 215:
- self.warning("Version does not match file format, discarding it.")
+ self.warning("Version does not match file format, "
+ "discarding it. (Version %s, format %d)" %
+ (self.initial_version, self.format))
for rel in format_relation:
if format in rel[1]:
initial_step = rel[0]
steps.append(step[0])
else:
mode = "revert"
- relation_format = format_relation
+ relation_format = format_relation[:]
relation_format.reverse()
last_step = None
if last_step[1][-1] == self.end_format:
steps.pop()
+ self.warning("Convertion mode: %s\tsteps%s" %(mode, steps), 10)
return mode, steps
def get_toc(self, depth = 4):
" Returns the TOC of this LyX document."
- paragraphs_filter = {'Title' : 0,'Chapter' : 1, 'Section' : 2, 'Subsection' : 3, 'Subsubsection': 4}
+ paragraphs_filter = {'Title' : 0,'Chapter' : 1, 'Section' : 2,
+ 'Subsection' : 3, 'Subsubsection': 4}
allowed_insets = ['Quotes']
- allowed_parameters = '\\paragraph_spacing', '\\noindent', '\\align', '\\labelwidthstring', "\\start_of_appendix"
-
+ allowed_parameters = ('\\paragraph_spacing', '\\noindent',
+ '\\align', '\\labelwidthstring',
+ "\\start_of_appendix", "\\leftindent")
sections = []
for section in paragraphs_filter.keys():
sections.append('\\begin_layout %s' % section)
self.warning('Incomplete file.', 0)
break
- section = string.split(self.body[i])[1]
+ section = self.body[i].split()[1]
if section[-1] == '*':
section = section[:-1]
k = i + 1
# skip paragraph parameters
- while not string.strip(self.body[k]) and string.split(self.body[k])[0] in allowed_parameters:
- k = k +1
+ while not self.body[k].strip() or self.body[k].split()[0] \
+ in allowed_parameters:
+ k += 1
while k < j:
if check_token(self.body[k], '\\begin_inset'):
- inset = string.split(self.body[k])[1]
+ inset = self.body[k].split()[1]
end = find_end_of_inset(self.body, k)
if end == -1 or end > j:
self.warning('Malformed file.', 0)
k = end + 1
else:
par.append(self.body[k])
- k = k + 1
+ k += 1
# trim empty lines in the end.
- while string.strip(par[-1]) == '' and par:
+ while par and par[-1].strip() == '':
par.pop()
toc_par.append(Paragraph(section, par))
return toc_par
-class File(LyX_Base):
+class File(LyX_base):
" This class reads existing LyX files."
- def __init__(self, end_format = 0, input = "", output = "", error = "", debug = default_debug_level, try_hard = 0):
- LyX_Base.__init__(self, end_format, input, output, error, debug, try_hard)
+
+ def __init__(self, end_format = 0, input = "", output = "", error = "",
+ debug = default_debug__, try_hard = 0, cjk_encoding = ''):
+ LyX_base.__init__(self, end_format, input, output, error,
+ debug, try_hard, cjk_encoding)
self.read()
-class NewFile(LyX_Base):
+class NewFile(LyX_base):
" This class is to create new LyX files."
def set_header(self, **params):
# set default values
self.header.extend([
- "#LyX xxxx created this file. For more info see http://www.lyx.org/",
+ "#LyX xxxx created this file."
+ "For more info see http://www.lyx.org/",
"\\lyxformat xxx",
"\\begin_document",
"\\begin_header",
"\\textclass article",
"\\language english",
"\\inputencoding auto",
- "\\fontscheme default",
+ "\\font_roman default",
+ "\\font_sans default",
+ "\\font_typewriter default",
+ "\\font_default_family default",
+ "\\font_sc false",
+ "\\font_osf false",
+ "\\font_sf_scale 100",
+ "\\font_tt_scale 100",
"\\graphics default",
"\\paperfontsize default",
"\\papersize default",
- "\\paperpackage none",
"\\use_geometry false",
"\\use_amsmath 1",
"\\cite_engine basic",
"\\paragraph_separation indent",
"\\defskip medskip",
"\\quotes_language english",
- "\\quotes_times 2",
"\\papercolumns 1",
"\\papersides 1",
"\\paperpagestyle default",
class Paragraph:
- # unfinished implementation, it is missing the Text and Insets representation.
+ # unfinished implementation, it is missing the Text and Insets
+ # representation.
" This class represents the LyX paragraphs."
def __init__(self, name, body=[], settings = [], child = []):
""" Parameters:
self.child = child
def asLines(self):
- " Converts the paragraph to a list of strings, representing it in the LyX file."
+ """ Converts the paragraph to a list of strings, representing
+ it in the LyX file."""
+
result = ['','\\begin_layout %s' % self.name]
result.extend(self.settings)
result.append('')
result.append('\\end_deeper')
return result
-
-
-class Inset:
- " This class represents the LyX insets."
- pass
-
-
-class Text:
- " This class represents simple chuncks of text."
- pass