Squashed 'waflib/' content from commit 982416b

git-subtree-dir: waflib
git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830

1 files changed, 76 insertions, 0 deletions

diff --git a/extras/package.py b/extras/package.py
new file mode 100644
index 0000000..c06498e
--- /dev/null
+++ b/extras/package.py
@@ -0,0 +1,76 @@
+#! /usr/bin/env python
+# encoding: utf-8
+# Thomas Nagy, 2011
+
+"""
+Obtain packages, unpack them in a location, and add associated uselib variables
+(CFLAGS_pkgname, LIBPATH_pkgname, etc).
+
+The default is use a Dependencies.txt file in the source directory.
+
+This is a work in progress.
+
+Usage:
+
+def options(opt):
+	opt.load('package')
+
+def configure(conf):
+	conf.load_packages()
+"""
+
+from waflib import Logs
+from waflib.Configure import conf
+
+try:
+	from urllib import request
+except ImportError:
+	from urllib import urlopen
+else:
+	urlopen = request.urlopen
+
+
+CACHEVAR = 'WAFCACHE_PACKAGE'
+
+@conf
+def get_package_cache_dir(self):
+	cache = None
+	if CACHEVAR in conf.environ:
+		cache = conf.environ[CACHEVAR]
+		cache = self.root.make_node(cache)
+	elif self.env[CACHEVAR]:
+		cache = self.env[CACHEVAR]
+		cache = self.root.make_node(cache)
+	else:
+		cache = self.srcnode.make_node('.wafcache_package')
+	cache.mkdir()
+	return cache
+
+@conf
+def download_archive(self, src, dst):
+	for x in self.env.PACKAGE_REPO:
+		url = '/'.join((x, src))
+		try:
+			web = urlopen(url)
+			try:
+				if web.getcode() != 200:
+					continue
+			except AttributeError:
+				pass
+		except Exception:
+			# on python3 urlopen throws an exception
+			# python 2.3 does not have getcode and throws an exception to fail
+			continue
+		else:
+			tmp = self.root.make_node(dst)
+			tmp.write(web.read())
+			Logs.warn('Downloaded %s from %s', tmp.abspath(), url)
+			break
+	else:
+		self.fatal('Could not get the package %s' % src)
+
+@conf
+def load_packages(self):
+	self.get_package_cache_dir()
+	# read the dependencies, get the archives, ..
+