From 7f7fa2f91467fdb2b11312be8562e7b51fdeb199 Mon Sep 17 00:00:00 2001
From: Sebastian Koslowski <sebastian.koslowski@gmail.com>
Date: Tue, 3 May 2016 17:13:08 +0200
Subject: grc: added yaml/mako support
Includes basic converter from XML/Cheetah to YAML/Mako based block format.
---
grc/core/utils/backports/shlex.py | 47 +++++++++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 grc/core/utils/backports/shlex.py
(limited to 'grc/core/utils/backports/shlex.py')
diff --git a/grc/core/utils/backports/shlex.py b/grc/core/utils/backports/shlex.py
new file mode 100644
index 0000000000..6b620fa396
--- /dev/null
+++ b/grc/core/utils/backports/shlex.py
@@ -0,0 +1,47 @@
+# Copyright 2016 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+from __future__ import absolute_import
+
+import re
+import shlex
+
+# back port from python3
+
+_find_unsafe = re.compile(r'[^\w@%+=:,./-]').search
+
+
+def _shlex_quote(s):
+ """Return a shell-escaped version of the string *s*."""
+ if not s:
+ return "''"
+ if _find_unsafe(s) is None:
+ return s
+
+ # use single quotes, and put single quotes into double quotes
+ # the string $'b is then quoted as '$'"'"'b'
+ return "'" + s.replace("'", "'\"'\"'") + "'"
+
+
+if not hasattr(shlex, 'quote'):
+ quote = _shlex_quote
+else:
+ quote = shlex.quote
+
+split = shlex.split
--
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