Bug #275047 - Split _emerge/__init__.py into smaller pieces (part 4).

Thanks to Sebastian Mingramm (few) <s.mingramm@gmx.de> for this patch.

svn path=/main/trunk/; revision=13669

1 files changed, 40 insertions, 0 deletions

diff --git a/pym/_emerge/visible.py b/pym/_emerge/visible.py
new file mode 100644
index 000000000..5ae04ce03
--- /dev/null
+++ b/pym/_emerge/visible.py
@@ -0,0 +1,40 @@
+try:
+	import portage
+except ImportError:
+	from os import path as osp
+	import sys
+	sys.path.insert(0, osp.join(osp.dirname(osp.dirname(osp.realpath(__file__))), "pym"))
+	import portage
+
+def visible(pkgsettings, pkg):
+	"""
+	Check if a package is visible. This can raise an InvalidDependString
+	exception if LICENSE is invalid.
+	TODO: optionally generate a list of masking reasons
+	@rtype: Boolean
+	@returns: True if the package is visible, False otherwise.
+	"""
+	if not pkg.metadata["SLOT"]:
+		return False
+	if not pkg.installed:
+		if not pkgsettings._accept_chost(pkg.cpv, pkg.metadata):
+			return False
+	eapi = pkg.metadata["EAPI"]
+	if not portage.eapi_is_supported(eapi):
+		return False
+	if not pkg.installed:
+		if portage._eapi_is_deprecated(eapi):
+			return False
+		if pkgsettings._getMissingKeywords(pkg.cpv, pkg.metadata):
+			return False
+	if pkgsettings._getMaskAtom(pkg.cpv, pkg.metadata):
+		return False
+	if pkgsettings._getProfileMaskAtom(pkg.cpv, pkg.metadata):
+		return False
+	try:
+		if pkgsettings._getMissingLicenses(pkg.cpv, pkg.metadata):
+			return False
+	except portage.exception.InvalidDependString:
+		return False
+	return True
+