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"""SCons.Tool.tex
Tool-specific initialization for TeX.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "/home/scons/scons/branch.0/branch.96/baseline/src/engine/SCons/Tool/tex.py 0.96.93.D001 2006/11/06 08:31:54 knight"
import os.path
import re
import string
import SCons.Action
import SCons.Node
import SCons.Node.FS
import SCons.Util
warning_rerun_re = re.compile("^LaTeX Warning:.*Rerun", re.MULTILINE)
undefined_references_re = re.compile("^LaTeX Warning:.*undefined references", re.MULTILINE)
openout_aux_re = re.compile(r"\\openout.*`(.*\.aux)'")
# An Action sufficient to build any generic tex file.
TeXAction = None
# An action to build a latex file. This action might be needed more
# than once if we are dealing with labels and bibtex.
LaTeXAction = None
# An action to run BibTeX on a file.
BibTeXAction = None
# An action to run MakeIndex on a file.
MakeIndexAction = None
def InternalLaTeXAuxAction(XXXLaTeXAction, target = None, source= None, env=None):
"""A builder for LaTeX files that checks the output in the aux file
and decides how many times to use LaTeXAction, and BibTeXAction."""
basename, ext = SCons.Util.splitext(str(target[0]))
# Run LaTeX once to generate a new aux file.
XXXLaTeXAction(target, source, env)
# Decide if various things need to be run, or run again. We check
# for the existence of files before opening them--even ones like the
# aux file that TeX always creates--to make it possible to write tests
# with stubs that don't necessarily generate all of the same files.
# Read the log file to find all .aux files
logfilename = basename + '.log'
auxfiles = []
if os.path.exists(logfilename):
content = open(logfilename, "rb").read()
auxfiles = openout_aux_re.findall(content)
# Now decide if bibtex will need to be run.
for auxfilename in auxfiles:
if os.path.exists(auxfilename):
content = open(auxfilename, "rb").read()
if string.find(content, "bibdata") != -1:
bibfile = env.fs.File(basename)
BibTeXAction(None, bibfile, env)
break
# Now decide if makeindex will need to be run.
idxfilename = basename + '.idx'
if os.path.exists(idxfilename):
idxfile = env.fs.File(basename)
# TODO: if ( idxfile has changed) ...
MakeIndexAction(None, idxfile, env)
XXXLaTeXAction(target, source, env)
# Now decide if latex needs to be run yet again.
logfilename = basename + '.log'
for trial in range(int(env.subst('$LATEXRETRIES'))):
if not os.path.exists(logfilename):
break
content = open(logfilename, "rb").read()
if not warning_rerun_re.search(content) and \
not undefined_references_re.search(content):
break
XXXLaTeXAction(target, source, env)
return 0
def LaTeXAuxAction(target = None, source= None, env=None):
InternalLaTeXAuxAction( LaTeXAction, target, source, env )
LaTeX_re = re.compile("\\\\document(style|class)")
def is_LaTeX(flist):
# Scan a file list to decide if it's TeX- or LaTeX-flavored.
for f in flist:
content = f.get_contents()
if LaTeX_re.search(content):
return 1
return 0
def TeXLaTeXFunction(target = None, source= None, env=None):
"""A builder for TeX and LaTeX that scans the source file to
decide the "flavor" of the source and then executes the appropriate
program."""
if is_LaTeX(source):
LaTeXAuxAction(target,source,env)
else:
TeXAction(target,source,env)
return 0
def tex_emitter(target, source, env):
base = SCons.Util.splitext(str(source[0]))[0]
target.append(base + '.aux')
target.append(base + '.log')
for f in source:
content = f.get_contents()
if string.find(content, r'\makeindex') != -1:
target.append(base + '.ilg')
target.append(base + '.ind')
target.append(base + '.idx')
if string.find(content, r'\bibliography') != -1:
target.append(base + '.bbl')
target.append(base + '.blg')
# read log file to get all .aux files
logfilename = base + '.log'
if os.path.exists(logfilename):
content = open(logfilename, "rb").read()
aux_files = openout_aux_re.findall(content)
target.extend(filter(lambda f, b=base+'.aux': f != b, aux_files))
return (target, source)
TeXLaTeXAction = None
def generate(env):
"""Add Builders and construction variables for TeX to an Environment."""
# A generic tex file Action, sufficient for all tex files.
global TeXAction
if TeXAction is None:
TeXAction = SCons.Action.Action("$TEXCOM", "$TEXCOMSTR")
# An Action to build a latex file. This might be needed more
# than once if we are dealing with labels and bibtex.
global LaTeXAction
if LaTeXAction is None:
LaTeXAction = SCons.Action.Action("$LATEXCOM", "$LATEXCOMSTR")
# Define an action to run BibTeX on a file.
global BibTeXAction
if BibTeXAction is None:
BibTeXAction = SCons.Action.Action("$BIBTEXCOM", "$BIBTEXCOMSTR")
# Define an action to run MakeIndex on a file.
global MakeIndexAction
if MakeIndexAction is None:
MakeIndexAction = SCons.Action.Action("$MAKEINDEXCOM", "$MAKEINDEXCOMSTR")
global TeXLaTeXAction
if TeXLaTeXAction is None:
TeXLaTeXAction = SCons.Action.Action(TeXLaTeXFunction, strfunction=None)
import dvi
dvi.generate(env)
bld = env['BUILDERS']['DVI']
bld.add_action('.tex', TeXLaTeXAction)
bld.add_emitter('.tex', tex_emitter)
env['TEX'] = 'tex'
env['TEXFLAGS'] = SCons.Util.CLVar('')
env['TEXCOM'] = '$TEX $TEXFLAGS $SOURCE'
# Duplicate from latex.py. If latex.py goes away, then this is still OK.
env['LATEX'] = 'latex'
env['LATEXFLAGS'] = SCons.Util.CLVar('')
env['LATEXCOM'] = '$LATEX $LATEXFLAGS $SOURCE'
env['LATEXRETRIES'] = 3
env['BIBTEX'] = 'bibtex'
env['BIBTEXFLAGS'] = SCons.Util.CLVar('')
env['BIBTEXCOM'] = '$BIBTEX $BIBTEXFLAGS ${SOURCE.base}'
env['MAKEINDEX'] = 'makeindex'
env['MAKEINDEXFLAGS'] = SCons.Util.CLVar('')
env['MAKEINDEXCOM'] = '$MAKEINDEX $MAKEINDEXFLAGS $SOURCES'
def exists(env):
return env.Detect('tex')
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