From 8c96b17a5393bffee0c521c4872a9fa999048032 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 15 Sep 2018 14:51:02 +0200
Subject: Squashed 'waflib/' content from commit 982416b

git-subtree-dir: waflib
git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830
---
 extras/biber.py | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 extras/biber.py

(limited to 'extras/biber.py')

diff --git a/extras/biber.py b/extras/biber.py
new file mode 100644
index 0000000..fd9db4e
--- /dev/null
+++ b/extras/biber.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# encoding: utf-8
+# Thomas Nagy, 2011 (ita)
+
+"""
+Latex processing using "biber"
+"""
+
+import os
+from waflib import Task, Logs
+
+from waflib.Tools import tex as texmodule
+
+class tex(texmodule.tex):
+	biber_fun, _ = Task.compile_fun('${BIBER} ${BIBERFLAGS} ${SRCFILE}',shell=False)
+	biber_fun.__doc__ = """
+	Execute the program **biber**
+	"""
+
+	def bibfile(self):
+		return None
+
+	def bibunits(self):
+		self.env.env = {}
+		self.env.env.update(os.environ)
+		self.env.env.update({'BIBINPUTS': self.texinputs(), 'BSTINPUTS': self.texinputs()})
+		self.env.SRCFILE = self.aux_nodes[0].name[:-4]
+
+		if not self.env['PROMPT_LATEX']:
+			self.env.append_unique('BIBERFLAGS', '--quiet')
+
+		path = self.aux_nodes[0].abspath()[:-4] + '.bcf'
+		if os.path.isfile(path):
+			Logs.warn('calling biber')
+			self.check_status('error when calling biber, check %s.blg for errors' % (self.env.SRCFILE), self.biber_fun())
+		else:
+			super(tex, self).bibfile()
+			super(tex, self).bibunits()
+
+class latex(tex):
+	texfun, vars = Task.compile_fun('${LATEX} ${LATEXFLAGS} ${SRCFILE}', shell=False)
+class pdflatex(tex):
+	texfun, vars =  Task.compile_fun('${PDFLATEX} ${PDFLATEXFLAGS} ${SRCFILE}', shell=False)
+class xelatex(tex):
+	texfun, vars = Task.compile_fun('${XELATEX} ${XELATEXFLAGS} ${SRCFILE}', shell=False)
+
+def configure(self):
+	"""
+	Almost the same as in tex.py, but try to detect 'biber'
+	"""
+	v = self.env
+	for p in ' biber tex latex pdflatex xelatex bibtex dvips dvipdf ps2pdf makeindex pdf2ps'.split():
+		try:
+			self.find_program(p, var=p.upper())
+		except self.errors.ConfigurationError:
+			pass
+	v['DVIPSFLAGS'] = '-Ppdf'
+
-- 
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