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Issue 1461 - Faster LaTeX processing

This commit is contained in:
Thomas Nagy 2014-09-20 21:51:54 +02:00
parent 95dad25c78
commit e1076cea83
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GPG Key ID: 67A565EDFDF90E64
1 changed files with 31 additions and 29 deletions
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60
waflib/Tools/tex.py
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@ -288,6 +288,7 @@ class tex(Task.Task):
Look on the filesystem if there is a *.idx* file to process. If yes, execute
:py:meth:`waflib.Tools.tex.tex.makeindex_fun`
"""
self.idx_node = self.inputs[0].change_ext('.idx')
try:
idx_path = self.idx_node.abspath()
os.stat(idx_path)
@ -347,24 +348,18 @@ class tex(Task.Task):
env.append_value('PDFLATEXFLAGS', '-interaction=batchmode')
env.append_value('XELATEXFLAGS', '-interaction=batchmode')
fun = self.texfun
node = self.inputs[0]
srcfile = node.abspath()
# important, set the cwd for everybody
self.cwd = self.inputs[0].parent.get_bld().abspath()
Logs.info('first pass on %s' % self.__class__.__name__)
self.env.env = {}
self.env.env.update(os.environ)
self.env.env.update({'TEXINPUTS': self.texinputs()})
self.env.SRCFILE = srcfile
self.check_status('error when calling latex', fun())
# Hash .aux files before even calling the LaTeX compiler
cur_hash = self.hash_aux_nodes()
self.aux_nodes = self.scan_aux(node.change_ext('.aux'))
self.idx_node = node.change_ext('.idx')
self.call_latex()
# Find the .aux files again since bibtex processing can require it
self.hash_aux_nodes()
self.bibtopic()
self.bibfile()
@ -372,29 +367,36 @@ class tex(Task.Task):
self.makeindex()
self.makeglossaries()
hash = ''
for i in range(10):
# prevent against infinite loops - one never knows
# watch the contents of file.aux and stop if file.aux does not change anymore
prev_hash = hash
try:
hashes = [Utils.h_file(x.abspath()) for x in self.aux_nodes]
hash = Utils.h_list(hashes)
except (OSError, IOError):
Logs.error('could not read aux.h')
pass
if hash and hash == prev_hash:
# There is no need to call latex again if the .aux hash value has not changed
prev_hash = cur_hash
cur_hash = self.hash_aux_nodes()
if not cur_hash:
Logs.error('No aux.h to process')
if cur_hash and cur_hash == prev_hash:
break
# run the command
Logs.info('calling %s' % self.__class__.__name__)
self.call_latex()
def hash_aux_nodes(self):
try:
nodes = self.aux_nodes
except AttributeError:
try:
self.aux_nodes = self.scan_aux(self.inputs[0].change_ext('.aux'))
except IOError:
return None
return Utils.h_list([Utils.h_file(x.abspath()) for x in self.aux_nodes])
def call_latex(self):
self.env.env = {}
self.env.env.update(os.environ)
self.env.env.update({'TEXINPUTS': self.texinputs()})
self.env.SRCFILE = self.inputs[0].abspath()
self.check_status('error when calling latex', self.texfun())
self.env.env = {}
self.env.env.update(os.environ)
self.env.env.update({'TEXINPUTS': self.texinputs()})
self.env.SRCFILE = srcfile
self.check_status('error when calling %s' % self.__class__.__name__, fun())
class latex(tex):
texfun, vars = Task.compile_fun('${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)