mirror of
https://git.lyx.org/repos/lyx.git
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52295693d6
Please linter where it makes sense: * Avoid bare exceptions; * Use formatted strings instead of string interpolation
1018 lines
35 KiB
Python
1018 lines
35 KiB
Python
# This file is part of lyx2lyx
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# Copyright (C) 2002-2024 The LyX Team
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# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>
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# Copyright (C) 2002-2006 José Matos <jamatos@lyx.org>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"The LyX module has all the rules related with different lyx file formats."
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import codecs
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import gzip
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import io
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import locale
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import os.path
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import re
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import sys
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import time
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from parser_tools import (
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check_token,
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find_complete_lines,
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find_end_of,
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find_token,
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get_value,
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)
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try:
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import lyx2lyx_version
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version__ = lyx2lyx_version.version
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stable_version = True
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except ModuleNotFoundError:
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# we are running from the build directory so assume the last version
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version__ = "2.5"
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stable_version = False
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default_debug__ = 2
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####################################################################
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# Private helper functions
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def find_end_of_inset(lines, i):
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"Find beginning of inset, where lines[i] is included."
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return find_end_of(lines, i, "\\begin_inset", "\\end_inset")
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def minor_versions(major, last_minor_version):
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"""Generate minor versions, using major as prefix and minor
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versions from 0 until last_minor_version, plus the generic version.
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Example:
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minor_versions("1.2", 4) ->
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[ "1.2", "1.2.0", "1.2.1", "1.2.2", "1.2.3"]
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"""
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return [major] + [major + ".%d" % i for i in range(last_minor_version + 1)]
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# End of helper functions
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####################################################################
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# Regular expressions used
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format_re = re.compile(r"(\d)[\.,]?(\d\d)")
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fileformat = re.compile(r"\\lyxformat\s*(\S*)")
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original_version = re.compile(b".*?LyX ([\\d.]*)")
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original_tex2lyx_version = re.compile(b".*?tex2lyx ([\\d.]*)")
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##
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# file format information:
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# file, supported formats, stable release versions
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format_relation = [
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("0_06", [200], minor_versions("0.6", 4)),
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("0_08", [210], minor_versions("0.8", 6) + ["0.7"]),
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("0_10", [210], minor_versions("0.10", 7) + ["0.9"]),
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("0_12", [215], minor_versions("0.12", 1) + ["0.11"]),
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("1_0", [215], minor_versions("1.0", 4)),
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("1_1", [215], minor_versions("1.1", 4)),
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("1_1_5", [216], ["1.1", "1.1.5", "1.1.5.1", "1.1.5.2"]),
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("1_1_6_0", [217], ["1.1", "1.1.6", "1.1.6.1", "1.1.6.2"]),
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("1_1_6_3", [218], ["1.1", "1.1.6.3", "1.1.6.4"]),
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("1_2", [220], minor_versions("1.2", 4)),
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("1_3", [221], minor_versions("1.3", 7)),
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# Note that range(i,j) is up to j *excluded*.
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("1_4", list(range(222, 246)), minor_versions("1.4", 5)),
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("1_5", list(range(246, 277)), minor_versions("1.5", 7)),
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("1_6", list(range(277, 346)), minor_versions("1.6", 10)),
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("2_0", list(range(346, 414)), minor_versions("2.0", 8)),
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("2_1", list(range(414, 475)), minor_versions("2.1", 5)),
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("2_2", list(range(475, 509)), minor_versions("2.2", 4)),
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("2_3", list(range(509, 545)), minor_versions("2.3", 7)),
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("2_4", list(range(545, 621)), minor_versions("2.4", 0)),
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("2_5", (), minor_versions("2.5", 0)),
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]
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####################################################################
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# This is useful just for development versions #
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# if the list of supported formats is empty get it from last step #
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if not format_relation[-1][1]:
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step, mode = format_relation[-1][0], "convert"
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convert = getattr(__import__("lyx_" + step), mode)
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format_relation[-1] = (step, [conv[0] for conv in convert], format_relation[-1][2])
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# #
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####################################################################
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def formats_list():
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"Returns a list with supported file formats."
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formats = []
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for version in format_relation:
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for format in version[1]:
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if format not in formats:
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formats.append(format)
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return formats
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def format_info():
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"Returns a list with the supported file formats."
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template = """
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%s\tstable format: %s
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\tstable versions: %s
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\tdevelopment formats: %s
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"""
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out = "version: formats and versions"
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for version in format_relation:
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major = str(version[2][0])
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versions = str(version[2][1:])
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if len(version[1]) == 1:
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formats = str(version[1][0])
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stable_format = str(version[1][0])
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elif not stable_version and major == version__:
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stable_format = "-- not yet --"
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versions = "-- not yet --"
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formats = f"{version[1][0]} - {version[1][-1]}"
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else:
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formats = f"{version[1][0]} - {version[1][-2]}"
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stable_format = str(version[1][-1])
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out += template % (major, stable_format, versions, formats)
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return out + "\n"
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def get_end_format():
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"Returns the more recent file format available."
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# this check will fail only when we have a new version
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# and there is no format change yet.
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if format_relation[-1][1]:
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return format_relation[-1][1][-1]
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return format_relation[-2][1][-1]
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def get_backend(textclass):
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"For _textclass_ returns its backend."
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if textclass == "linuxdoc" or textclass == "manpage":
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return "linuxdoc"
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if textclass.startswith("docbook") or textclass.startswith("agu-"):
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return "docbook"
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return "latex"
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def trim_eol(line):
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"Remove end of line char(s)."
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if line[-1] != "\n" and line[-1] != "\r":
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# May happen for the last line of a document
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return line
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if line[-2:-1] == "\r":
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return line[:-2]
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else:
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return line[:-1]
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def trim_eol_binary(line):
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"Remove end of line char(s)."
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if line[-1] != 10 and line[-1] != 13:
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# May happen for the last line of a document
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return line
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if line[-2:-1] == 13:
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return line[:-2]
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else:
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return line[:-1]
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def get_encoding(language, inputencoding, format, cjk_encoding):
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"Returns enconding of the lyx file"
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if format > 248:
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return "utf8"
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# CJK-LyX encodes files using the current locale encoding.
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# This means that files created by CJK-LyX can only be converted using
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# the correct locale settings unless the encoding is given as commandline
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# argument.
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if cjk_encoding == "auto":
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return locale.getpreferredencoding()
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elif cjk_encoding:
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return cjk_encoding
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from lyx2lyx_lang import lang
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if inputencoding == "auto" or inputencoding == "default":
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return lang[language][3]
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if inputencoding == "":
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return "latin1"
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if inputencoding == "utf8x":
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return "utf8"
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# python does not know the alias latin9
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if inputencoding == "latin9":
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return "iso-8859-15"
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return inputencoding
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##
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# Class
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#
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class LyX_base:
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"""This class carries all the information of the LyX file."""
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def __init__(
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self,
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end_format=0,
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input="",
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output="",
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error="",
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debug=default_debug__,
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try_hard=0,
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cjk_encoding="",
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final_version="",
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systemlyxdir="",
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language="english",
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encoding="auto",
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):
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"""Arguments:
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end_format: final format that the file should be converted. (integer)
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input: the name of the input source, if empty resort to standard input.
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output: the name of the output file, if empty use the standard output.
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error: the name of the error file, if empty use the standard error.
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debug: debug level, O means no debug, as its value increases be more verbose.
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"""
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self.choose_input(input)
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self.output = output
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if error:
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self.err = open(error, "w")
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else:
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self.err = sys.stderr
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self.debug = debug
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self.try_hard = try_hard
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self.cjk_encoding = cjk_encoding
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if end_format:
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self.end_format = self.lyxformat(end_format)
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# In case the target version and format are both specified
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# verify that they are compatible. If not send a warning
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# and ignore the version.
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if final_version:
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message = "Incompatible version %s for specified format %d" % (
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final_version,
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self.end_format,
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)
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for version in format_relation:
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if self.end_format in version[1]:
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if final_version not in version[2]:
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self.warning(message)
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final_version = ""
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elif final_version:
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for version in format_relation:
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if final_version in version[2]:
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# set the last format for that version
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self.end_format = version[1][-1]
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break
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else:
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final_version = ""
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else:
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self.end_format = get_end_format()
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if not final_version:
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for step in format_relation:
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if self.end_format in step[1]:
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final_version = step[2][1]
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self.final_version = final_version
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self.warning("Final version: %s" % self.final_version, 10)
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self.warning("Final format: %d" % self.end_format, 10)
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self.backend = "latex"
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self.textclass = "article"
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# This is a hack: We use '' since we don't know the default
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# layout of the text class. LyX will parse it as default layout.
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# FIXME: Read the layout file and use the real default layout
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self.default_layout = ""
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self.header = []
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self.preamble = []
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self.body = []
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self.status = 0
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self.encoding = encoding
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self.language = language
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self.systemlyxdir = systemlyxdir
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def warning(self, message, debug_level=default_debug__):
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"""Emits warning to self.error, if the debug_level is less
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than the self.debug."""
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if debug_level <= self.debug:
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self.err.write("lyx2lyx warning: " + message + "\n")
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def error(self, message):
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"Emits a warning and exits if not in try_hard mode."
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self.warning(message)
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if not self.try_hard:
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self.warning("Quitting.")
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sys.exit(1)
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self.status = 2
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def read(self):
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"""Reads a file into the self.header and
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self.body parts, from self.input."""
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# First pass: Read header to determine file encoding
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# If we are running under python3 then all strings are binary in this
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# pass. In some cases we need to convert binary to unicode in order to
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# use our parser tools. Since we do not know the true encoding yet we
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# use latin1. This works since a) the parts we are interested in are
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# pure ASCII (subset of latin1) and b) in contrast to pure ascii or
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# utf8, one can decode any 8byte string using latin1.
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first_line = True
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while True:
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line = self.input.readline()
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if not line:
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# eof found before end of header
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self.error("Invalid LyX file: Missing body.")
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if first_line:
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# Remove UTF8 BOM marker if present
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if line.startswith(codecs.BOM_UTF8):
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line = line[len(codecs.BOM_UTF8) :]
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first_line = False
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line = trim_eol_binary(line)
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decoded = line.decode("latin1")
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if check_token(decoded, "\\begin_preamble"):
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while True:
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line = self.input.readline()
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if not line:
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# eof found before end of header
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self.error("Invalid LyX file: Missing body.")
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line = trim_eol_binary(line)
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decoded = line.decode("latin1")
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if check_token(decoded, "\\end_preamble"):
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break
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if decoded.split()[:0] in (
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"\\layout",
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"\\begin_layout",
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"\\begin_body",
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):
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self.warning(
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"Malformed LyX file:"
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"Missing '\\end_preamble'."
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"\nAdding it now and hoping"
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"for the best."
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)
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self.preamble.append(line)
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if check_token(decoded, "\\end_preamble"):
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continue
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line = line.rstrip()
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if not line:
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continue
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if decoded.split()[0] in (
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"\\layout",
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"\\begin_layout",
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"\\begin_body",
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"\\begin_deeper",
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):
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self.body.append(line)
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break
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self.header.append(line)
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i = find_token(self.header, b"\\textclass", 0)
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if i == -1:
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self.warning("Malformed LyX file: Missing '\\textclass'.")
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i = find_token(self.header, b"\\lyxformat", 0) + 1
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self.header[i:i] = [b"\\textclass article"]
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self.textclass = get_value(self.header, b"\\textclass", 0, default=b"")
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self.language = get_value(self.header, b"\\language", 0, default=b"english").decode(
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"ascii"
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)
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self.inputencoding = get_value(
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self.header, b"\\inputencoding", 0, default=b"auto"
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).decode("ascii")
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self.format = self.read_format()
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self.initial_format = self.format
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self.encoding = get_encoding(
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self.language, self.inputencoding, self.format, self.cjk_encoding
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)
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self.initial_version = self.read_version()
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# Second pass over header and preamble, now we know the file encoding
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# Do not forget the textclass (Debian bug #700828)
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self.textclass = self.textclass.decode(self.encoding)
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self.backend = get_backend(self.textclass)
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for i in range(len(self.header)):
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self.header[i] = self.header[i].decode(self.encoding)
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for i in range(len(self.preamble)):
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self.preamble[i] = self.preamble[i].decode(self.encoding)
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for i in range(len(self.body)):
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self.body[i] = self.body[i].decode(self.encoding)
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# Read document body
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while True:
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line = self.input.readline().decode(self.encoding)
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if not line:
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break
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self.body.append(trim_eol(line))
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def write(self):
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"Writes the LyX file to self.output."
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self.choose_output(self.output)
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self.set_version()
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self.set_format()
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self.set_textclass()
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if self.encoding == "auto":
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self.encoding = get_encoding(
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self.language, self.encoding, self.format, self.cjk_encoding
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)
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if self.preamble:
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i = find_token(self.header, "\\textclass", 0) + 1
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preamble = ["\\begin_preamble"] + self.preamble + ["\\end_preamble"]
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header = self.header[:i] + preamble + self.header[i:]
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else:
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header = self.header
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for line in header + [""] + self.body:
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self.output.write(line + "\n")
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def choose_output(self, output):
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"""Choose output streams dealing transparently with
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compressed files."""
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# This is a bit complicated, because we need to be compatible both with
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# python 2 and python 3. Therefore we handle the encoding here and not
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# when writing individual lines and may need up to 3 layered file like
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# interfaces.
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if self.compressed:
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if output:
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outputfileobj = open(output, "wb")
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else:
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# We cannot not use stdout directly since it needs text, not bytes in python 3
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outputfileobj = os.fdopen(sys.stdout.fileno(), "wb")
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# We cannot not use gzip.open() since it is not supported by python 2
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zipbuffer = gzip.GzipFile(mode="wb", fileobj=outputfileobj)
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# We do not want to use different newlines on different OSes inside zipped files
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self.output = io.TextIOWrapper(zipbuffer, encoding=self.encoding, newline="\n")
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else:
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if output:
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self.output = open(output, "w", encoding=self.encoding)
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else:
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self.output = open(sys.stdout.fileno(), "w", encoding=self.encoding)
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def choose_input(self, input):
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"""Choose input stream, dealing transparently with
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compressed files."""
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# Since we do not know the encoding yet we need to read the input as
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# bytes in binary mode, and convert later to unicode.
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if input and input != "-":
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self.dir = os.path.dirname(os.path.abspath(input))
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try:
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gzip.open(input).readline()
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self.input = gzip.open(input)
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self.compressed = True
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except OSError:
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self.input = open(input, "rb")
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self.compressed = False
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else:
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self.dir = ""
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self.input = os.fdopen(sys.stdin.fileno(), "rb")
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self.compressed = False
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|
|
def lyxformat(self, format):
|
|
"Returns the file format representation, an integer."
|
|
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.")
|
|
|
|
if format in formats_list():
|
|
return format
|
|
|
|
self.error(str(format) + ": " + "Format not supported.")
|
|
return None
|
|
|
|
def read_version(self):
|
|
"""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[0:1] != b"#":
|
|
return None
|
|
|
|
line = line.replace(b"fix", b".")
|
|
# need to test original_tex2lyx_version first because tex2lyx
|
|
# writes "#LyX file created by tex2lyx 2.2"
|
|
result = original_tex2lyx_version.match(line)
|
|
if not result:
|
|
result = original_version.match(line)
|
|
if result:
|
|
# Special know cases: reLyX and KLyX
|
|
if line.find(b"reLyX") != -1 or line.find(b"KLyX") != -1:
|
|
return "0.12"
|
|
if result:
|
|
res = result.group(1)
|
|
if not res:
|
|
self.warning(line)
|
|
# self.warning("Version %s" % result.group(1))
|
|
return res.decode("ascii")
|
|
self.warning(str(self.header[:2]))
|
|
return None
|
|
|
|
def set_version(self):
|
|
"Set the header with the version used."
|
|
|
|
initial_comment = " ".join(
|
|
[
|
|
"#LyX %s created this file." % version__,
|
|
"For more info see https://www.lyx.org/",
|
|
]
|
|
)
|
|
|
|
# Simple heuristic to determine the comment that always starts
|
|
# a lyx file
|
|
if self.header[0].startswith("#"):
|
|
self.header[0] = initial_comment
|
|
else:
|
|
self.header.insert(0, initial_comment)
|
|
|
|
# Old lyx files had a two lines comment header:
|
|
# 1) the first line had the user who had created it
|
|
# 2) the second line had the lyx version used
|
|
# later we decided that 1) was a privacy risk for no gain
|
|
# here we remove the second line effectively erasing 1)
|
|
if self.header[1][0] == "#":
|
|
del self.header[1]
|
|
|
|
def read_format(self):
|
|
"Read from the header the fileformat of the present LyX file."
|
|
for line in self.header:
|
|
result = fileformat.match(line.decode("ascii"))
|
|
if result:
|
|
return self.lyxformat(result.group(1))
|
|
else:
|
|
self.error("Invalid LyX File: Missing format.")
|
|
return None
|
|
|
|
def set_format(self):
|
|
"Set the file format of the file, in the header."
|
|
if self.format <= 217:
|
|
format = str(float(self.format) / 100)
|
|
else:
|
|
format = str(self.format)
|
|
i = find_token(self.header, "\\lyxformat", 0)
|
|
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):
|
|
"Append module to the modules list."
|
|
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("(add_module)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 del_module(self, module):
|
|
"Delete `module` from module list, return success."
|
|
modlist = self.get_module_list()
|
|
if module not in modlist:
|
|
return False
|
|
self.set_module_list([line for line in modlist if line != module])
|
|
return True
|
|
|
|
def get_module_list(self):
|
|
"Return list of modules."
|
|
i = find_token(self.header, "\\begin_modules", 0)
|
|
if i == -1:
|
|
return []
|
|
j = find_token(self.header, "\\end_modules", i)
|
|
return self.header[i + 1 : j]
|
|
|
|
def set_module_list(self, mlist):
|
|
i = find_token(self.header, "\\begin_modules", 0)
|
|
if i == -1:
|
|
# No modules yet included
|
|
tclass = find_token(self.header, "\\textclass", 0)
|
|
if tclass == -1:
|
|
self.warning("Malformed LyX document: No \\textclass!!")
|
|
return
|
|
i = j = tclass + 1
|
|
else:
|
|
j = find_token(self.header, "\\end_modules", i)
|
|
if j == -1:
|
|
self.warning("(set_module_list) Malformed LyX document: No \\end_modules.")
|
|
return
|
|
j += 1
|
|
if mlist:
|
|
mlist = ["\\begin_modules"] + mlist + ["\\end_modules"]
|
|
self.header[i:j] = mlist
|
|
|
|
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("Parameter not found in the header: %s" % param, 3)
|
|
return
|
|
self.header[i] = f"\\{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."
|
|
if self.format == self.end_format:
|
|
self.warning(
|
|
"No conversion needed: Target format %s "
|
|
"same as current format!" % self.format,
|
|
default_debug__,
|
|
)
|
|
return
|
|
|
|
mode, conversion_chain = self.chain()
|
|
self.warning("conversion chain: " + str(conversion_chain), 3)
|
|
|
|
for step in conversion_chain:
|
|
steps = getattr(__import__("lyx_" + step), mode)
|
|
|
|
self.warning(f"Convertion step: {step} - {mode}", default_debug__ + 1)
|
|
if not steps:
|
|
self.error(
|
|
"The conversion to an older "
|
|
"format (%s) is not implemented." % self.format
|
|
)
|
|
|
|
multi_conv = len(steps) != 1
|
|
for version, table in steps:
|
|
if (
|
|
multi_conv
|
|
and (self.format >= version and mode == "convert")
|
|
or (self.format <= version and mode == "revert")
|
|
):
|
|
continue
|
|
|
|
for conv in table:
|
|
init_t = time.time()
|
|
try:
|
|
conv(self)
|
|
except Exception as exception:
|
|
self.warning(
|
|
f"An error occurred in {version}, {conv}",
|
|
default_debug__,
|
|
)
|
|
if not self.try_hard:
|
|
raise exception
|
|
self.status = 2
|
|
else:
|
|
self.warning(
|
|
f"{time.time() - init_t:f}: Elapsed time on {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
|
|
conversion are taken. It returns a list of modules needed to
|
|
convert the LyX file from self.format to self.end_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. (Version %s, format %d)"
|
|
% (self.initial_version, self.format)
|
|
)
|
|
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.initial_format) < (final_step, self.end_format):
|
|
mode = "convert"
|
|
full_steps = []
|
|
for step in format_relation:
|
|
if initial_step <= step[0] <= final_step and step[2][0] <= self.final_version:
|
|
full_steps.append(step)
|
|
if full_steps[0][1][-1] == self.format:
|
|
full_steps = full_steps[1:]
|
|
for step in full_steps:
|
|
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()
|
|
|
|
self.warning(f"Convertion mode: {mode}\tsteps{steps}", 10)
|
|
return mode, steps
|
|
|
|
def append_local_layout(self, new_layout):
|
|
"Append `new_layout` to the local layouts."
|
|
# new_layout may be a string or a list of strings (lines)
|
|
try:
|
|
new_layout = new_layout.splitlines()
|
|
except AttributeError:
|
|
pass
|
|
i = find_token(self.header, "\\begin_local_layout", 0)
|
|
if i == -1:
|
|
k = find_token(self.header, "\\language", 0)
|
|
if k == -1:
|
|
# this should not happen
|
|
self.warning("Malformed LyX document! No \\language header found!")
|
|
return
|
|
self.header[k:k] = ["\\begin_local_layout", "\\end_local_layout"]
|
|
i = k
|
|
|
|
j = find_end_of(self.header, i, "\\begin_local_layout", "\\end_local_layout")
|
|
if j == -1:
|
|
# this should not happen
|
|
self.warning("Malformed LyX document: Can't find end of local layout!")
|
|
return
|
|
|
|
self.header[i + 1 : i + 1] = new_layout
|
|
|
|
def del_local_layout(self, layout_def):
|
|
"Delete `layout_def` from local layouts, return success."
|
|
i = find_complete_lines(self.header, layout_def)
|
|
if i == -1:
|
|
return False
|
|
j = i + len(layout_def)
|
|
if (
|
|
self.header[i - 1] == "\\begin_local_layout"
|
|
and self.header[j] == "\\end_local_layout"
|
|
):
|
|
i -= 1
|
|
j += 1
|
|
self.header[i:j] = []
|
|
return True
|
|
|
|
def del_from_header(self, lines):
|
|
"Delete `lines` from the document header, return success."
|
|
i = find_complete_lines(self.header, lines)
|
|
if i == -1:
|
|
return False
|
|
j = i + len(lines)
|
|
self.header[i:j] = []
|
|
return True
|
|
|
|
|
|
# Part of an unfinished attempt to make lyx2lyx gave a more
|
|
# structured view of the document.
|
|
# 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}
|
|
# allowed_insets = ['Quotes']
|
|
# allowed_parameters = ('\\paragraph_spacing', '\\noindent',
|
|
# '\\align', '\\labelwidthstring',
|
|
# "\\start_of_appendix", "\\leftindent")
|
|
# sections = []
|
|
# for section in paragraphs_filter.keys():
|
|
# sections.append('\\begin_layout %s' % section)
|
|
|
|
# toc_par = []
|
|
# i = 0
|
|
# while True:
|
|
# i = find_tokens(self.body, sections, i)
|
|
# if i == -1:
|
|
# break
|
|
|
|
# j = find_end_of(self.body, i + 1, '\\begin_layout', '\\end_layout')
|
|
# if j == -1:
|
|
# self.warning('Incomplete file.', 0)
|
|
# break
|
|
|
|
# section = self.body[i].split()[1]
|
|
# if section[-1] == '*':
|
|
# section = section[:-1]
|
|
|
|
# par = []
|
|
|
|
# k = i + 1
|
|
# # skip paragraph parameters
|
|
# 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 = self.body[k].split()[1]
|
|
# end = find_end_of_inset(self.body, k)
|
|
# if end == -1 or end > j:
|
|
# self.warning('Malformed file.', 0)
|
|
|
|
# if inset in allowed_insets:
|
|
# par.extend(self.body[k: end+1])
|
|
# k = end + 1
|
|
# else:
|
|
# par.append(self.body[k])
|
|
# k += 1
|
|
|
|
# # trim empty lines in the end.
|
|
# while par and par[-1].strip() == '':
|
|
# par.pop()
|
|
|
|
# toc_par.append(Paragraph(section, par))
|
|
|
|
# i = j + 1
|
|
|
|
# return toc_par
|
|
|
|
|
|
class File(LyX_base):
|
|
"This class reads existing LyX files."
|
|
|
|
def __init__(
|
|
self,
|
|
end_format=0,
|
|
input="",
|
|
output="",
|
|
error="",
|
|
debug=default_debug__,
|
|
try_hard=0,
|
|
cjk_encoding="",
|
|
final_version="",
|
|
systemlyxdir="",
|
|
):
|
|
LyX_base.__init__(
|
|
self,
|
|
end_format,
|
|
input,
|
|
output,
|
|
error,
|
|
debug,
|
|
try_hard,
|
|
cjk_encoding,
|
|
final_version,
|
|
systemlyxdir,
|
|
)
|
|
self.read()
|
|
|
|
|
|
# FIXME: header settings are completely outdated, don't use like this
|
|
# 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/",
|
|
# "\\lyxformat xxx",
|
|
# "\\begin_document",
|
|
# "\\begin_header",
|
|
# "\\textclass article",
|
|
# "\\language english",
|
|
# "\\inputencoding auto",
|
|
# "\\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",
|
|
# "\\use_geometry false",
|
|
# "\\use_amsmath 1",
|
|
# "\\cite_engine basic",
|
|
# "\\use_bibtopic false",
|
|
# "\\use_indices false",
|
|
# "\\paperorientation portrait",
|
|
# "\\secnumdepth 3",
|
|
# "\\tocdepth 3",
|
|
# "\\paragraph_separation indent",
|
|
# "\\defskip medskip",
|
|
# "\\quotes_language english",
|
|
# "\\papercolumns 1",
|
|
# "\\papersides 1",
|
|
# "\\paperpagestyle default",
|
|
# "\\tracking_changes false",
|
|
# "\\end_header"])
|
|
|
|
# self.format = get_end_format()
|
|
# for param in params:
|
|
# self.set_parameter(param, params[param])
|
|
|
|
|
|
# def set_body(self, paragraphs):
|
|
# self.body.extend(['\\begin_body',''])
|
|
|
|
# for par in paragraphs:
|
|
# self.body.extend(par.asLines())
|
|
|
|
# self.body.extend(['','\\end_body', '\\end_document'])
|
|
|
|
|
|
# Part of an unfinished attempt to make lyx2lyx gave a more
|
|
# structured view of the document.
|
|
# class Paragraph:
|
|
# # unfinished implementation, it is missing the Text and Insets
|
|
# # representation.
|
|
# " This class represents the LyX paragraphs."
|
|
# def __init__(self, name, body=[], settings = [], child = []):
|
|
# """ Parameters:
|
|
# name: paragraph name.
|
|
# body: list of lines of body text.
|
|
# child: list of paragraphs that descend from this paragraph.
|
|
# """
|
|
# self.name = name
|
|
# self.body = body
|
|
# self.settings = settings
|
|
# self.child = child
|
|
|
|
# def asLines(self):
|
|
# """ 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.extend(self.body)
|
|
# result.append('\\end_layout')
|
|
|
|
# if not self.child:
|
|
# return result
|
|
|
|
# result.append('\\begin_deeper')
|
|
# for node in self.child:
|
|
# result.extend(node.asLines())
|
|
# result.append('\\end_deeper')
|
|
|
|
# return result
|