268 lines
9.7 KiB
Python
268 lines
9.7 KiB
Python
"""SCons.Tool.tex
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Tool-specific initialization for TeX.
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There normally shouldn't be any need to import this module directly.
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It will usually be imported through the generic SCons.Tool.Tool()
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selection method.
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "src/engine/SCons/Tool/tex.py 2523 2007/12/12 09:37:41 knight"
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import os.path
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import re
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import string
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import SCons.Action
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import SCons.Node
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import SCons.Node.FS
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import SCons.Util
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warning_rerun_re = re.compile("^LaTeX Warning:.*Rerun", re.MULTILINE)
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rerun_citations_str = "^LaTeX Warning:.*\n.*Rerun to get citations correct"
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rerun_citations_re = re.compile(rerun_citations_str, re.MULTILINE)
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undefined_references_str = '(^LaTeX Warning:.*undefined references)|(^Package \w+ Warning:.*undefined citations)'
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undefined_references_re = re.compile(undefined_references_str, re.MULTILINE)
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openout_aux_re = re.compile(r"\\openout.*`(.*\.aux)'")
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openout_re = re.compile(r"\\openout.*`(.*)'")
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makeindex_re = re.compile(r"^[^%]*\\makeindex", re.MULTILINE)
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tableofcontents_re = re.compile(r"^[^%]*\\tableofcontents", re.MULTILINE)
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bibliography_re = re.compile(r"^[^%]*\\bibliography", re.MULTILINE)
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# An Action sufficient to build any generic tex file.
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TeXAction = None
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# An action to build a latex file. This action might be needed more
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# than once if we are dealing with labels and bibtex.
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LaTeXAction = None
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# An action to run BibTeX on a file.
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BibTeXAction = None
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# An action to run MakeIndex on a file.
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MakeIndexAction = None
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def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None):
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"""A builder for LaTeX files that checks the output in the aux file
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and decides how many times to use LaTeXAction, and BibTeXAction."""
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basename = SCons.Util.splitext(str(source[0]))[0]
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basedir = os.path.split(str(source[0]))[0]
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# Notice that all the filenames are not prefixed with the basedir.
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# That's because the *COM variables have the cd command in the prolog.
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bblfilename = basename + '.bbl'
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bblContents = ""
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if os.path.exists(bblfilename):
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bblContents = open(bblfilename, "rb").read()
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idxfilename = basename + '.idx'
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idxContents = ""
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if os.path.exists(idxfilename):
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idxContents = open(idxfilename, "rb").read()
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tocfilename = basename + '.toc'
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tocContents = ""
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if os.path.exists(tocfilename):
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tocContents = open(tocfilename, "rb").read()
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# Run LaTeX once to generate a new aux file.
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XXXLaTeXAction(target, source, env)
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# Decide if various things need to be run, or run again. We check
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# for the existence of files before opening them--even ones like the
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# aux file that TeX always creates--to make it possible to write tests
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# with stubs that don't necessarily generate all of the same files.
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# Read the log file to find all .aux files
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logfilename = basename + '.log'
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auxfiles = []
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if os.path.exists(logfilename):
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content = open(logfilename, "rb").read()
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auxfiles = openout_aux_re.findall(content)
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# Now decide if bibtex will need to be run.
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for auxfilename in auxfiles:
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if os.path.exists(os.path.join(basedir, auxfilename)):
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content = open(os.path.join(basedir, auxfilename), "rb").read()
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if string.find(content, "bibdata") != -1:
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bibfile = env.fs.File(basename)
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BibTeXAction(bibfile, bibfile, env)
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break
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must_rerun_latex = 0
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# Now decide if latex will need to be run again due to table of contents.
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if os.path.exists(tocfilename) and tocContents != open(tocfilename, "rb").read():
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must_rerun_latex = 1
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# Now decide if latex will need to be run again due to bibliography.
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if os.path.exists(bblfilename) and bblContents != open(bblfilename, "rb").read():
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must_rerun_latex = 1
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# Now decide if latex will need to be run again due to index.
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if os.path.exists(idxfilename) and idxContents != open(idxfilename, "rb").read():
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# We must run makeindex
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idxfile = env.fs.File(basename)
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MakeIndexAction(idxfile, idxfile, env)
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must_rerun_latex = 1
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if must_rerun_latex == 1:
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XXXLaTeXAction(target, source, env)
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# Now decide if latex needs to be run yet again to resolve warnings.
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logfilename = basename + '.log'
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for _ in range(int(env.subst('$LATEXRETRIES'))):
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if not os.path.exists(logfilename):
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break
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content = open(logfilename, "rb").read()
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if not warning_rerun_re.search(content) and \
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not rerun_citations_re.search(content) and \
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not undefined_references_re.search(content):
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break
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XXXLaTeXAction(target, source, env)
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return 0
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def LaTeXAuxAction(target = None, source= None, env=None):
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InternalLaTeXAuxAction( LaTeXAction, target, source, env )
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LaTeX_re = re.compile("\\\\document(style|class)")
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def is_LaTeX(flist):
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# Scan a file list to decide if it's TeX- or LaTeX-flavored.
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for f in flist:
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content = f.get_contents()
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if LaTeX_re.search(content):
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return 1
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return 0
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def TeXLaTeXFunction(target = None, source= None, env=None):
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"""A builder for TeX and LaTeX that scans the source file to
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decide the "flavor" of the source and then executes the appropriate
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program."""
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if is_LaTeX(source):
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LaTeXAuxAction(target,source,env)
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else:
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TeXAction(target,source,env)
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return 0
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def tex_emitter(target, source, env):
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base = SCons.Util.splitext(str(source[0]))[0]
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target.append(base + '.aux')
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env.Precious(base + '.aux')
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target.append(base + '.log')
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for f in source:
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content = f.get_contents()
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if tableofcontents_re.search(content):
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target.append(base + '.toc')
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env.Precious(base + '.toc')
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if makeindex_re.search(content):
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target.append(base + '.ilg')
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target.append(base + '.ind')
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target.append(base + '.idx')
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env.Precious(base + '.idx')
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if bibliography_re.search(content):
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target.append(base + '.bbl')
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env.Precious(base + '.bbl')
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target.append(base + '.blg')
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# read log file to get all output file (include .aux files)
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logfilename = base + '.log'
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dir, base_nodir = os.path.split(base)
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if os.path.exists(logfilename):
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content = open(logfilename, "rb").read()
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out_files = openout_re.findall(content)
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out_files = filter(lambda f, b=base_nodir+'.aux': f != b, out_files)
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if dir != '':
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out_files = map(lambda f, d=dir: d+os.sep+f, out_files)
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target.extend(out_files)
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for f in out_files:
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env.Precious( f )
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return (target, source)
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TeXLaTeXAction = None
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def generate(env):
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"""Add Builders and construction variables for TeX to an Environment."""
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# A generic tex file Action, sufficient for all tex files.
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global TeXAction
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if TeXAction is None:
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TeXAction = SCons.Action.Action("$TEXCOM", "$TEXCOMSTR")
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# An Action to build a latex file. This might be needed more
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# than once if we are dealing with labels and bibtex.
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global LaTeXAction
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if LaTeXAction is None:
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LaTeXAction = SCons.Action.Action("$LATEXCOM", "$LATEXCOMSTR")
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# Define an action to run BibTeX on a file.
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global BibTeXAction
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if BibTeXAction is None:
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BibTeXAction = SCons.Action.Action("$BIBTEXCOM", "$BIBTEXCOMSTR")
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# Define an action to run MakeIndex on a file.
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global MakeIndexAction
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if MakeIndexAction is None:
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MakeIndexAction = SCons.Action.Action("$MAKEINDEXCOM", "$MAKEINDEXCOMSTR")
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global TeXLaTeXAction
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if TeXLaTeXAction is None:
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TeXLaTeXAction = SCons.Action.Action(TeXLaTeXFunction, strfunction=None)
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import dvi
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dvi.generate(env)
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bld = env['BUILDERS']['DVI']
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bld.add_action('.tex', TeXLaTeXAction)
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bld.add_emitter('.tex', tex_emitter)
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env['TEX'] = 'tex'
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env['TEXFLAGS'] = SCons.Util.CLVar('')
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env['TEXCOM'] = 'cd ${TARGET.dir} && $TEX $TEXFLAGS ${SOURCE.file}'
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# Duplicate from latex.py. If latex.py goes away, then this is still OK.
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env['LATEX'] = 'latex'
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env['LATEXFLAGS'] = SCons.Util.CLVar('')
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env['LATEXCOM'] = 'cd ${TARGET.dir} && $LATEX $LATEXFLAGS ${SOURCE.file}'
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env['LATEXRETRIES'] = 3
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env['BIBTEX'] = 'bibtex'
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env['BIBTEXFLAGS'] = SCons.Util.CLVar('')
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env['BIBTEXCOM'] = 'cd ${TARGET.dir} && $BIBTEX $BIBTEXFLAGS ${SOURCE.filebase}'
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env['MAKEINDEX'] = 'makeindex'
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env['MAKEINDEXFLAGS'] = SCons.Util.CLVar('')
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env['MAKEINDEXCOM'] = 'cd ${TARGET.dir} && $MAKEINDEX $MAKEINDEXFLAGS ${SOURCE.file}'
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def exists(env):
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return env.Detect('tex')
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