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* [gentoo-portage-dev] [PATCH] [REV] Added support for variable expansion in source command. wrt bug #490896
@ 2014-01-12 23:57 99% Jesus Rivero (Neurogeek)
  0 siblings, 0 replies; 1+ results
From: Jesus Rivero (Neurogeek) @ 2014-01-12 23:57 UTC (permalink / raw
  To: gentoo-portage-dev


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Hi all,

In the previous patch, I didn't notice an error in the unittest I wrote for
the feature.
Attached is the correct patch, please disregard the previous one.

Cheers,

Jesus Rivero
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From 15e7c70ae8e0e7920f0b012c29f96fe42a4a6231 Mon Sep 17 00:00:00 2001
From: Jesus Rivero <neurogeek@gentoo.org>
Date: Sun, 12 Jan 2014 14:32:45 -0500
Subject: [CHANGE] Added support for variable expansion in source command
 argument in make.conf

Signed-off-by: Jesus Rivero <neurogeek@gentoo.org>
---
 cnf/make.conf.example.source_test        |  7 +++++++
 cnf/make.conf.example.source_test_after  |  8 ++++++++
 pym/portage/tests/util/test_getconfig.py | 18 ++++++++++++++++++
 pym/portage/util/__init__.py             |  7 ++++++-
 4 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 cnf/make.conf.example.source_test
 create mode 100644 cnf/make.conf.example.source_test_after

diff --git a/cnf/make.conf.example.source_test b/cnf/make.conf.example.source_test
new file mode 100644
index 0000000..abacd35
--- /dev/null
+++ b/cnf/make.conf.example.source_test
@@ -0,0 +1,7 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# Contains local system settings for Portage system
+
+# Test make.conf for variable expansion in 
+# source tokens.
+source "$PORTAGE_BASE_PATH/make.conf.example.source_test_after"
diff --git a/cnf/make.conf.example.source_test_after b/cnf/make.conf.example.source_test_after
new file mode 100644
index 0000000..bc45ef3
--- /dev/null
+++ b/cnf/make.conf.example.source_test_after
@@ -0,0 +1,8 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# Contains local system settings for Portage system
+
+# Test make.conf for variable expansion in 
+# source tokens.
+# We should see this variable in getconfig result
+PASSES_SOURCING_TEST="True"
diff --git a/pym/portage/tests/util/test_getconfig.py b/pym/portage/tests/util/test_getconfig.py
index c7ab360..586a18e 100644
--- a/pym/portage/tests/util/test_getconfig.py
+++ b/pym/portage/tests/util/test_getconfig.py
@@ -8,6 +8,7 @@ from portage import _unicode_encode
 from portage.const import PORTAGE_BASE_PATH
 from portage.tests import TestCase
 from portage.util import getconfig
+from portage.exception import ParseError
 
 class GetConfigTestCase(TestCase):
 	"""
@@ -31,6 +32,23 @@ class GetConfigTestCase(TestCase):
 		for k, v in self._cases.items():
 			self.assertEqual(d[k], v)
 
+	def testGetConfigSourceLex(self):
+	 	base = os.path.join(PORTAGE_BASE_PATH, "cnf")
+		make_conf_file = os.path.join(base, 
+			'make.conf.example.source_test')
+
+		d = getconfig(make_conf_file, 
+			allow_sourcing=True, expand={"PORTAGE_BASE_PATH" : base})
+
+		# PASSES_SOURCING_TEST should exist in getconfig result
+		self.assertEqual("True", d['PASSES_SOURCING_TEST']) 
+
+		# With allow_sourcing : True and empty expand map, this should
+		# Throw a FileNotFound exception 
+		self.assertRaisesMsg("An empty expand map should throw an exception", 
+			ParseError, getconfig, *(make_conf_file,), 
+			**{'allow_sourcing' : True, 'expand' : {}})
+
 	def testGetConfigProfileEnv(self):
 		# Test the mode which is used to parse /etc/env.d and /etc/profile.env.
 
diff --git a/pym/portage/util/__init__.py b/pym/portage/util/__init__.py
index 24553da..0799487 100644
--- a/pym/portage/util/__init__.py
+++ b/pym/portage/util/__init__.py
@@ -593,8 +593,13 @@ class _getconfig_shlex(shlex.shlex):
 		shlex.shlex.__init__(self, **kwargs)
 		self.__portage_tolerant = portage_tolerant
 
+	def allow_sourcing(self, var_expand_map):
+		self.source = portage._native_string("source")
+		self.var_expand_map = var_expand_map
+
 	def sourcehook(self, newfile):
 		try:
+			newfile = varexpand(newfile, self.var_expand_map)
 			return shlex.shlex.sourcehook(self, newfile)
 		except EnvironmentError as e:
 			if e.errno == PermissionDenied.errno:
@@ -694,7 +699,7 @@ def getconfig(mycfg, tolerant=False, allow_sourcing=False, expand=True,
 			string.ascii_letters + "~!@#$%*_\:;?,./-+{}")
 		lex.quotes = portage._native_string("\"'")
 		if allow_sourcing:
-			lex.source = portage._native_string("source")
+			lex.allow_sourcing(expand_map)
 
 		while True:
 			key = _unicode_decode(lex.get_token())
-- 
1.8.3.2


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