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#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006 (ita)
"TeX/LaTeX/PDFLaTeX support"
import os, re
import Utils, TaskGen, Task, Runner, Build
from TaskGen import feature, before
from Logs import error, warn, debug
re_tex = re.compile(r'\\(?P<type>include|input|import|bringin|lstinputlisting){(?P<file>[^{}]*)}', re.M)
def scan(self):
node = self.inputs[0]
env = self.env
nodes = []
names = []
if not node: return (nodes, names)
code = Utils.readf(node.abspath(env))
curdirnode = self.curdirnode
abs = curdirnode.abspath()
for match in re_tex.finditer(code):
path = match.group('file')
if path:
for k in ['', '.tex', '.ltx']:
# add another loop for the tex include paths?
debug('tex: trying %s%s' % (path, k))
try:
os.stat(abs+os.sep+path+k)
except OSError:
continue
found = path+k
node = curdirnode.find_resource(found)
if node:
nodes.append(node)
else:
debug('tex: could not find %s' % path)
names.append(path)
debug("tex: found the following : %s and names %s" % (nodes, names))
return (nodes, names)
latex_fun, _ = Task.compile_fun('latex', '${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)
pdflatex_fun, _ = Task.compile_fun('pdflatex', '${PDFLATEX} ${PDFLATEXFLAGS} ${SRCFILE}', shell=False)
bibtex_fun, _ = Task.compile_fun('bibtex', '${BIBTEX} ${BIBTEXFLAGS} ${SRCFILE}', shell=False)
makeindex_fun, _ = Task.compile_fun('bibtex', '${MAKEINDEX} ${MAKEINDEXFLAGS} ${SRCFILE}', shell=False)
g_bibtex_re = re.compile('bibdata', re.M)
def tex_build(task, command='LATEX'):
env = task.env
bld = task.generator.bld
if not env['PROMPT_LATEX']:
env.append_value('LATEXFLAGS', '-interaction=batchmode')
env.append_value('PDFLATEXFLAGS', '-interaction=batchmode')
fun = latex_fun
if command == 'PDFLATEX':
fun = pdflatex_fun
node = task.inputs[0]
reldir = node.bld_dir(env)
#lst = []
#for c in Utils.split_path(reldir):
# if c: lst.append('..')
#srcfile = os.path.join(*(lst + [node.srcpath(env)]))
#sr2 = os.path.join(*(lst + [node.parent.srcpath(env)]))
srcfile = node.abspath(env)
sr2 = node.parent.abspath() + os.pathsep + node.parent.abspath(env) + os.pathsep
aux_node = node.change_ext('.aux')
idx_node = node.change_ext('.idx')
nm = aux_node.name
docuname = nm[ : len(nm) - 4 ] # 4 is the size of ".aux"
# important, set the cwd for everybody
task.cwd = task.inputs[0].parent.abspath(task.env)
warn('first pass on %s' % command)
task.env.env = {'TEXINPUTS': sr2}
task.env.SRCFILE = srcfile
ret = fun(task)
if ret:
return ret
# look in the .aux file if there is a bibfile to process
try:
ct = Utils.readf(aux_node.abspath(env))
except (OSError, IOError):
error('error bibtex scan')
else:
fo = g_bibtex_re.findall(ct)
# there is a .aux file to process
if fo:
warn('calling bibtex')
task.env.env = {'BIBINPUTS': sr2, 'BSTINPUTS': sr2}
task.env.SRCFILE = docuname
ret = bibtex_fun(task)
if ret:
error('error when calling bibtex %s' % docuname)
return ret
# look on the filesystem if there is a .idx file to process
try:
idx_path = idx_node.abspath(env)
os.stat(idx_path)
except OSError:
error('error file.idx scan')
else:
warn('calling makeindex')
task.env.SRCFILE = idx_node.name
task.env.env = {}
ret = makeindex_fun(task)
if ret:
error('error when calling makeindex %s' % idx_path)
return ret
hash = ''
i = 0
while i < 10:
# prevent against infinite loops - one never knows
i += 1
# watch the contents of file.aux
prev_hash = hash
try:
hash = Utils.h_file(aux_node.abspath(env))
except KeyError:
error('could not read aux.h -> %s' % aux_node.abspath(env))
pass
# debug
#print "hash is, ", hash, " ", old_hash
# stop if file.aux does not change anymore
if hash and hash == prev_hash:
break
# run the command
warn('calling %s' % command)
task.env.env = {'TEXINPUTS': sr2 + os.pathsep}
task.env.SRCFILE = srcfile
ret = fun(task)
if ret:
error('error when calling %s %s' % (command, latex_fun))
return ret
return None # ok
latex_vardeps = ['LATEX', 'LATEXFLAGS']
def latex_build(task):
return tex_build(task, 'LATEX')
pdflatex_vardeps = ['PDFLATEX', 'PDFLATEXFLAGS']
def pdflatex_build(task):
return tex_build(task, 'PDFLATEX')
class tex_taskgen(TaskGen.task_gen):
def __init__(self, *k, **kw):
TaskGen.task_gen.__init__(self, *k, **kw)
@feature('tex')
@before('apply_core')
def apply_tex(self):
if not getattr(self, 'type', None) in ['latex', 'pdflatex']:
self.type = 'pdflatex'
tree = self.bld
outs = Utils.to_list(getattr(self, 'outs', []))
# prompt for incomplete files (else the batchmode is used)
self.env['PROMPT_LATEX'] = getattr(self, 'prompt', 1)
deps_lst = []
if getattr(self, 'deps', None):
deps = self.to_list(self.deps)
for filename in deps:
n = self.path.find_resource(filename)
if not n in deps_lst: deps_lst.append(n)
self.source = self.to_list(self.source)
for filename in self.source:
base, ext = os.path.splitext(filename)
node = self.path.find_resource(filename)
if not node: raise Utils.WafError('cannot find %s' % filename)
if self.type == 'latex':
task = self.create_task('latex', node, node.change_ext('.dvi'))
elif self.type == 'pdflatex':
task = self.create_task('pdflatex', node, node.change_ext('.pdf'))
task.env = self.env
task.curdirnode = self.path
# add the manual dependencies
if deps_lst:
variant = node.variant(self.env)
try:
lst = tree.node_deps[task.unique_id()]
for n in deps_lst:
if not n in lst:
lst.append(n)
except KeyError:
tree.node_deps[task.unique_id()] = deps_lst
if self.type == 'latex':
if 'ps' in outs:
tsk = self.create_task('dvips', task.outputs, node.change_ext('.ps'))
tsk.env.env = {'TEXINPUTS' : node.parent.abspath() + os.pathsep + self.path.abspath() + os.pathsep + self.path.abspath(self.env)}
if 'pdf' in outs:
tsk = self.create_task('dvipdf', task.outputs, node.change_ext('.pdf'))
tsk.env.env = {'TEXINPUTS' : node.parent.abspath() + os.pathsep + self.path.abspath() + os.pathsep + self.path.abspath(self.env)}
elif self.type == 'pdflatex':
if 'ps' in outs:
self.create_task('pdf2ps', task.outputs, node.change_ext('.ps'))
self.source = []
def detect(conf):
v = conf.env
for p in 'tex latex pdflatex bibtex dvips dvipdf ps2pdf makeindex pdf2ps'.split():
conf.find_program(p, var=p.upper())
v[p.upper()+'FLAGS'] = ''
v['DVIPSFLAGS'] = '-Ppdf'
b = Task.simple_task_type
b('tex', '${TEX} ${TEXFLAGS} ${SRC}', color='BLUE', shell=False) # not used anywhere
b('bibtex', '${BIBTEX} ${BIBTEXFLAGS} ${SRC}', color='BLUE', shell=False) # not used anywhere
b('dvips', '${DVIPS} ${DVIPSFLAGS} ${SRC} -o ${TGT}', color='BLUE', after="latex pdflatex tex bibtex", shell=False)
b('dvipdf', '${DVIPDF} ${DVIPDFFLAGS} ${SRC} ${TGT}', color='BLUE', after="latex pdflatex tex bibtex", shell=False)
b('pdf2ps', '${PDF2PS} ${PDF2PSFLAGS} ${SRC} ${TGT}', color='BLUE', after="dvipdf pdflatex", shell=False)
b = Task.task_type_from_func
cls = b('latex', latex_build, vars=latex_vardeps)
cls.scan = scan
cls = b('pdflatex', pdflatex_build, vars=pdflatex_vardeps)
cls.scan = scan
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