1 files changed, 70 insertions, 0 deletions
diff --git a/pym/portage/util/_desktop_entry.py b/pym/portage/util/_desktop_entry.py
new file mode 100644
index 000000000..101965f6a
--- /dev/null
+++ b/pym/portage/util/_desktop_entry.py
@@ -0,0 +1,70 @@
+# Copyright 2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import io
+import subprocess
+
+try:
+	from configparser import Error as ConfigParserError, RawConfigParser
+except ImportError:
+	from ConfigParser import Error as ConfigParserError, RawConfigParser
+
+from portage import _encodings, _unicode_encode, _unicode_decode
+
+def parse_desktop_entry(path):
+	"""
+	Parse the given file with RawConfigParser and return the
+	result. This may raise an IOError from io.open(), or a
+	ParsingError from RawConfigParser.
+	"""
+	parser = RawConfigParser()
+
+	# use read_file/readfp in order to control decoding of unicode
+	try:
+		# Python >=3.2
+		read_file = parser.read_file
+	except AttributeError:
+		read_file = parser.readfp
+
+	with io.open(_unicode_encode(path,
+		encoding=_encodings['fs'], errors='strict'),
+		mode='r', encoding=_encodings['repo.content'],
+		errors='replace') as f:
+		read_file(f)
+
+	return parser
+
+_ignored_service_errors = (
+	'error: required key "Name" in group "Desktop Entry" is not present',
+	'error: key "Actions" is present in group "Desktop Entry", but the type is "Service" while this key is only valid for type "Application"',
+	'error: key "MimeType" is present in group "Desktop Entry", but the type is "Service" while this key is only valid for type "Application"',
+)
+
+def validate_desktop_entry(path):
+	proc = subprocess.Popen([b"desktop-file-validate", _unicode_encode(path)],
+		stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+	output_lines = _unicode_decode(proc.communicate()[0]).splitlines()
+	proc.wait()
+
+	if output_lines:
+		try:
+			desktop_entry = parse_desktop_entry(path)
+		except ConfigParserError:
+			pass
+		else:
+			if desktop_entry.has_section("Desktop Entry"):
+				try:
+					entry_type = desktop_entry.get("Desktop Entry", "Type")
+				except ConfigParserError:
+					pass
+				else:
+					if entry_type == "Service":
+						# Filter false errors for Type=Service (bug #414125).
+						filtered_output = []
+						for line in output_lines:
+							if line[len(path)+2:] in _ignored_service_errors:
+								continue
+							filtered_output.append(line)
+						output_lines = filtered_output
+
+	return output_lines