mirror of https://gitlab.com/ita1024/waf.git
509 lines
14 KiB
Python
509 lines
14 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2006-2016 (ita)
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"""
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TeX/LaTeX/PDFLaTeX/XeLaTeX support
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Example::
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def configure(conf):
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conf.load('tex')
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if not conf.env.LATEX:
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conf.fatal('The program LaTex is required')
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def build(bld):
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bld(
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features = 'tex',
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type = 'latex', # pdflatex or xelatex
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source = 'document.ltx', # mandatory, the source
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outs = 'ps', # 'pdf' or 'ps pdf'
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deps = 'crossreferencing.lst', # to give dependencies directly
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prompt = 1, # 0 for the batch mode
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)
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Notes:
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- To configure with a special program, use::
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$ PDFLATEX=luatex waf configure
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- This tool doesn't use the target attribute of the task generator
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(``bld(target=...)``); the target file name is built from the source
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base name and the out type(s)
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"""
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import os, re
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from waflib import Utils, Task, Errors, Logs, Node
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from waflib.TaskGen import feature, before_method
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re_bibunit = re.compile(r'\\(?P<type>putbib)\[(?P<file>[^\[\]]*)\]',re.M)
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def bibunitscan(self):
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"""
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Parse the inputs and try to find the *bibunit* dependencies
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:return: list of bibunit files
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:rtype: list of :py:class:`waflib.Node.Node`
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"""
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node = self.inputs[0]
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nodes = []
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if not node: return nodes
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code = node.read()
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for match in re_bibunit.finditer(code):
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path = match.group('file')
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if path:
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for k in ('', '.bib'):
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# add another loop for the tex include paths?
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Logs.debug('tex: trying %s%s', path, k)
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fi = node.parent.find_resource(path + k)
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if fi:
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nodes.append(fi)
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# no break, people are crazy
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else:
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Logs.debug('tex: could not find %s', path)
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Logs.debug("tex: found the following bibunit files: %s", nodes)
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return nodes
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exts_deps_tex = ['', '.ltx', '.tex', '.bib', '.pdf', '.png', '.eps', '.ps', '.sty']
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"""List of typical file extensions included in latex files"""
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exts_tex = ['.ltx', '.tex']
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"""List of typical file extensions that contain latex"""
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re_tex = re.compile(r'\\(?P<type>usepackage|RequirePackage|include|bibliography([^\[\]{}]*)|putbib|includegraphics|input|import|bringin|lstinputlisting)(\[[^\[\]]*\])?{(?P<file>[^{}]*)}',re.M)
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"""Regexp for expressions that may include latex files"""
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g_bibtex_re = re.compile('bibdata', re.M)
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"""Regexp for bibtex files"""
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g_glossaries_re = re.compile('\\@newglossary', re.M)
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"""Regexp for expressions that create glossaries"""
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class tex(Task.Task):
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"""
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Compile a tex/latex file.
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.. inheritance-diagram:: waflib.Tools.tex.latex waflib.Tools.tex.xelatex waflib.Tools.tex.pdflatex
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"""
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bibtex_fun, _ = Task.compile_fun('${BIBTEX} ${BIBTEXFLAGS} ${SRCFILE}', shell=False)
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bibtex_fun.__doc__ = """
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Execute the program **bibtex**
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"""
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makeindex_fun, _ = Task.compile_fun('${MAKEINDEX} ${MAKEINDEXFLAGS} ${SRCFILE}', shell=False)
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makeindex_fun.__doc__ = """
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Execute the program **makeindex**
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"""
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makeglossaries_fun, _ = Task.compile_fun('${MAKEGLOSSARIES} ${SRCFILE}', shell=False)
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makeglossaries_fun.__doc__ = """
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Execute the program **makeglossaries**
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"""
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def exec_command(self, cmd, **kw):
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"""
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Override :py:meth:`waflib.Task.Task.exec_command` to execute the command without buffering (latex may prompt for inputs)
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:return: the return code
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:rtype: int
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"""
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kw['stdout'] = kw['stderr'] = None
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return super(tex, self).exec_command(cmd, **kw)
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def scan_aux(self, node):
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"""
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A recursive regex-based scanner that finds included auxiliary files.
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"""
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nodes = [node]
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re_aux = re.compile(r'\\@input{(?P<file>[^{}]*)}', re.M)
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def parse_node(node):
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code = node.read()
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for match in re_aux.finditer(code):
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path = match.group('file')
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found = node.parent.find_or_declare(path)
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if found and found not in nodes:
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Logs.debug('tex: found aux node %r', found)
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nodes.append(found)
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parse_node(found)
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parse_node(node)
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return nodes
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def scan(self):
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"""
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A recursive regex-based scanner that finds latex dependencies. It uses :py:attr:`waflib.Tools.tex.re_tex`
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Depending on your needs you might want:
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* to change re_tex::
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from waflib.Tools import tex
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tex.re_tex = myregex
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* or to change the method scan from the latex tasks::
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from waflib.Task import classes
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classes['latex'].scan = myscanfunction
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"""
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node = self.inputs[0]
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nodes = []
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names = []
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seen = []
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if not node: return (nodes, names)
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def parse_node(node):
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if node in seen:
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return
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seen.append(node)
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code = node.read()
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global re_tex
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for match in re_tex.finditer(code):
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multibib = match.group('type')
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if multibib and multibib.startswith('bibliography'):
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multibib = multibib[len('bibliography'):]
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if multibib.startswith('style'):
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continue
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else:
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multibib = None
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for path in match.group('file').split(','):
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if path:
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add_name = True
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found = None
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for k in exts_deps_tex:
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# issue 1067, scan in all texinputs folders
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for up in self.texinputs_nodes:
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Logs.debug('tex: trying %s%s', path, k)
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found = up.find_resource(path + k)
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if found:
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break
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for tsk in self.generator.tasks:
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if not found or found in tsk.outputs:
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break
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else:
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nodes.append(found)
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add_name = False
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for ext in exts_tex:
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if found.name.endswith(ext):
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parse_node(found)
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break
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# multibib stuff
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if found and multibib and found.name.endswith('.bib'):
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try:
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self.multibibs.append(found)
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except AttributeError:
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self.multibibs = [found]
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# no break, people are crazy
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if add_name:
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names.append(path)
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parse_node(node)
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for x in nodes:
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x.parent.get_bld().mkdir()
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Logs.debug("tex: found the following : %s and names %s", nodes, names)
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return (nodes, names)
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def check_status(self, msg, retcode):
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"""
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Check an exit status and raise an error with a particular message
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:param msg: message to display if the code is non-zero
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:type msg: string
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:param retcode: condition
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:type retcode: boolean
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"""
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if retcode != 0:
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raise Errors.WafError("%r command exit status %r" % (msg, retcode))
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def bibfile(self):
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"""
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Parse the *.aux* files to find bibfiles to process.
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If yes, execute :py:meth:`waflib.Tools.tex.tex.bibtex_fun`
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"""
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for aux_node in self.aux_nodes:
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try:
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ct = aux_node.read()
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except EnvironmentError:
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Logs.error('Error reading %s: %r', aux_node.abspath())
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continue
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if g_bibtex_re.findall(ct):
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Logs.info('calling bibtex')
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self.env.env = {}
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self.env.env.update(os.environ)
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self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
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self.env.SRCFILE = aux_node.name[:-4]
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self.check_status('error when calling bibtex', self.bibtex_fun())
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for node in getattr(self, 'multibibs', []):
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self.env.env = {}
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self.env.env.update(os.environ)
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self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
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self.env.SRCFILE = node.name[:-4]
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self.check_status('error when calling bibtex', self.bibtex_fun())
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def bibunits(self):
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"""
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Parse the *.aux* file to find bibunit files. If there are bibunit files,
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execute :py:meth:`waflib.Tools.tex.tex.bibtex_fun`.
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"""
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try:
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bibunits = bibunitscan(self)
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except OSError:
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Logs.error('error bibunitscan')
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else:
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if bibunits:
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fn = ['bu' + str(i) for i in range(1, len(bibunits) + 1)]
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if fn:
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Logs.info('calling bibtex on bibunits')
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for f in fn:
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self.env.env = {'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()}
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self.env.SRCFILE = f
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self.check_status('error when calling bibtex', self.bibtex_fun())
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def makeindex(self):
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"""
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Look on the filesystem if there is a *.idx* file to process. If yes, execute
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:py:meth:`waflib.Tools.tex.tex.makeindex_fun`
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"""
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self.idx_node = self.inputs[0].change_ext('.idx')
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try:
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idx_path = self.idx_node.abspath()
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os.stat(idx_path)
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except OSError:
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Logs.info('index file %s absent, not calling makeindex', idx_path)
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else:
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Logs.info('calling makeindex')
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self.env.SRCFILE = self.idx_node.name
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self.env.env = {}
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self.check_status('error when calling makeindex %s' % idx_path, self.makeindex_fun())
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def bibtopic(self):
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"""
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Additional .aux files from the bibtopic package
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"""
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p = self.inputs[0].parent.get_bld()
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if os.path.exists(os.path.join(p.abspath(), 'btaux.aux')):
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self.aux_nodes += p.ant_glob('*[0-9].aux')
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def makeglossaries(self):
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src_file = self.inputs[0].abspath()
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base_file = os.path.basename(src_file)
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base, _ = os.path.splitext(base_file)
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for aux_node in self.aux_nodes:
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try:
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ct = aux_node.read()
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except EnvironmentError:
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Logs.error('Error reading %s: %r', aux_node.abspath())
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continue
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if g_glossaries_re.findall(ct):
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if not self.env.MAKEGLOSSARIES:
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raise Errors.WafError("The program 'makeglossaries' is missing!")
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Logs.warn('calling makeglossaries')
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self.env.SRCFILE = base
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self.check_status('error when calling makeglossaries %s' % base, self.makeglossaries_fun())
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return
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def texinputs(self):
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return os.pathsep.join([k.abspath() for k in self.texinputs_nodes]) + os.pathsep
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def run(self):
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"""
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Runs the TeX build process.
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It may require multiple passes, depending on the usage of cross-references,
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bibliographies, content susceptible of needing such passes.
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The appropriate TeX compiler is called until the *.aux* files stop changing.
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Makeindex and bibtex are called if necessary.
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"""
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env = self.env
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if not env['PROMPT_LATEX']:
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env.append_value('LATEXFLAGS', '-interaction=batchmode')
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env.append_value('PDFLATEXFLAGS', '-interaction=batchmode')
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env.append_value('XELATEXFLAGS', '-interaction=batchmode')
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# important, set the cwd for everybody
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self.cwd = self.inputs[0].parent.get_bld()
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Logs.info('first pass on %s', self.__class__.__name__)
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# Hash .aux files before even calling the LaTeX compiler
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cur_hash = self.hash_aux_nodes()
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self.call_latex()
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# Find the .aux files again since bibtex processing can require it
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self.hash_aux_nodes()
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self.bibtopic()
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self.bibfile()
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self.bibunits()
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self.makeindex()
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self.makeglossaries()
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for i in range(10):
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# There is no need to call latex again if the .aux hash value has not changed
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prev_hash = cur_hash
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cur_hash = self.hash_aux_nodes()
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if not cur_hash:
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Logs.error('No aux.h to process')
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if cur_hash and cur_hash == prev_hash:
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break
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# run the command
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Logs.info('calling %s', self.__class__.__name__)
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self.call_latex()
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def hash_aux_nodes(self):
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try:
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self.aux_nodes
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except AttributeError:
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try:
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self.aux_nodes = self.scan_aux(self.inputs[0].change_ext('.aux'))
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except IOError:
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return None
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return Utils.h_list([Utils.h_file(x.abspath()) for x in self.aux_nodes])
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def call_latex(self):
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self.env.env = {}
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self.env.env.update(os.environ)
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self.env.env.update({'TEXINPUTS': self.texinputs()})
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self.env.SRCFILE = self.inputs[0].abspath()
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self.check_status('error when calling latex', self.texfun())
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class latex(tex):
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texfun, vars = Task.compile_fun('${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)
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class pdflatex(tex):
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texfun, vars = Task.compile_fun('${PDFLATEX} ${PDFLATEXFLAGS} ${SRCFILE}', shell=False)
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class xelatex(tex):
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texfun, vars = Task.compile_fun('${XELATEX} ${XELATEXFLAGS} ${SRCFILE}', shell=False)
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class dvips(Task.Task):
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run_str = '${DVIPS} ${DVIPSFLAGS} ${SRC} -o ${TGT}'
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color = 'BLUE'
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after = ['latex', 'pdflatex', 'xelatex']
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class dvipdf(Task.Task):
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run_str = '${DVIPDF} ${DVIPDFFLAGS} ${SRC} ${TGT}'
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color = 'BLUE'
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after = ['latex', 'pdflatex', 'xelatex']
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class pdf2ps(Task.Task):
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run_str = '${PDF2PS} ${PDF2PSFLAGS} ${SRC} ${TGT}'
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color = 'BLUE'
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after = ['latex', 'pdflatex', 'xelatex']
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@feature('tex')
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@before_method('process_source')
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def apply_tex(self):
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"""
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Create :py:class:`waflib.Tools.tex.tex` objects, and dvips/dvipdf/pdf2ps tasks if necessary (outs='ps', etc).
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"""
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if not getattr(self, 'type', None) in ('latex', 'pdflatex', 'xelatex'):
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self.type = 'pdflatex'
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outs = Utils.to_list(getattr(self, 'outs', []))
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# prompt for incomplete files (else the batchmode is used)
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self.env['PROMPT_LATEX'] = getattr(self, 'prompt', 1)
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deps_lst = []
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if getattr(self, 'deps', None):
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deps = self.to_list(self.deps)
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for dep in deps:
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if isinstance(dep, str):
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n = self.path.find_resource(dep)
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if not n:
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self.bld.fatal('Could not find %r for %r' % (dep, self))
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if not n in deps_lst:
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deps_lst.append(n)
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elif isinstance(dep, Node.Node):
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deps_lst.append(dep)
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for node in self.to_nodes(self.source):
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if self.type == 'latex':
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task = self.create_task('latex', node, node.change_ext('.dvi'))
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elif self.type == 'pdflatex':
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task = self.create_task('pdflatex', node, node.change_ext('.pdf'))
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elif self.type == 'xelatex':
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task = self.create_task('xelatex', node, node.change_ext('.pdf'))
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task.env = self.env
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# add the manual dependencies
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if deps_lst:
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for n in deps_lst:
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if not n in task.dep_nodes:
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task.dep_nodes.append(n)
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# texinputs is a nasty beast
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if hasattr(self, 'texinputs_nodes'):
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task.texinputs_nodes = self.texinputs_nodes
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else:
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task.texinputs_nodes = [node.parent, node.parent.get_bld(), self.path, self.path.get_bld()]
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lst = os.environ.get('TEXINPUTS', '')
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if self.env.TEXINPUTS:
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lst += os.pathsep + self.env.TEXINPUTS
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if lst:
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lst = lst.split(os.pathsep)
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for x in lst:
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if x:
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if os.path.isabs(x):
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p = self.bld.root.find_node(x)
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if p:
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task.texinputs_nodes.append(p)
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else:
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Logs.error('Invalid TEXINPUTS folder %s', x)
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else:
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Logs.error('Cannot resolve relative paths in TEXINPUTS %s', x)
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if self.type == 'latex':
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if 'ps' in outs:
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tsk = self.create_task('dvips', task.outputs, node.change_ext('.ps'))
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tsk.env.env = dict(os.environ)
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if 'pdf' in outs:
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tsk = self.create_task('dvipdf', task.outputs, node.change_ext('.pdf'))
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tsk.env.env = dict(os.environ)
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elif self.type == 'pdflatex':
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if 'ps' in outs:
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self.create_task('pdf2ps', task.outputs, node.change_ext('.ps'))
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self.source = []
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def configure(self):
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"""
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Try to find the programs tex, latex and others. Do not raise any error if they
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are not found.
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"""
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v = self.env
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|
for p in 'tex latex pdflatex xelatex bibtex dvips dvipdf ps2pdf makeindex pdf2ps makeglossaries'.split():
|
|
try:
|
|
self.find_program(p, var=p.upper())
|
|
except self.errors.ConfigurationError:
|
|
pass
|
|
v['DVIPSFLAGS'] = '-Ppdf'
|
|
|