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authorSebastian Koslowski <koslowski@kit.edu>2016-09-16 09:50:33 -0600
committerSebastian Koslowski <koslowski@kit.edu>2016-09-23 21:12:03 +0200
commit554ccb816cfaad5650513837f820a408105a87f2 (patch)
treeb1b55aa55de1d8be88c11a1a78c79f02782ee7fd /grc/core
parent5109369d705109ece91ad983cfdc17210749d1c0 (diff)
grc: move run command getter to core
Diffstat (limited to 'grc/core')
-rw-r--r--grc/core/FlowGraph.py16
-rw-r--r--grc/core/utils/shlex.py47
2 files changed, 60 insertions, 3 deletions
diff --git a/grc/core/FlowGraph.py b/grc/core/FlowGraph.py
index 949eecaa71..2c3c7872de 100644
--- a/grc/core/FlowGraph.py
+++ b/grc/core/FlowGraph.py
@@ -16,16 +16,16 @@
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
import imp
-import time
from itertools import ifilter, chain
from operator import methodcaller, attrgetter
-
import re
+import sys
+import time
from . import Messages
from .Constants import FLOW_GRAPH_FILE_FORMAT_VERSION
from .Element import Element
-from .utils import odict, expr_utils
+from .utils import odict, expr_utils, shlex
_parameter_matcher = re.compile('^(parameter)$')
_monitors_searcher = re.compile('(ctrlport_monitor)')
@@ -186,6 +186,16 @@ class FlowGraph(Element):
"""
return self._options_block.get_param(key).get_evaluated()
+ def get_run_command(self, file_path, split=False):
+ run_command = self.get_option('run_command')
+ try:
+ run_command = run_command.format(
+ python=shlex.quote(sys.executable),
+ filename=shlex.quote(file_path))
+ return shlex.split(run_command) if split else run_command
+ except Exception as e:
+ raise ValueError("Can't parse run command {!r}: {}".format(run_command, e))
+
##############################################
# Access Elements
##############################################
diff --git a/grc/core/utils/shlex.py b/grc/core/utils/shlex.py
new file mode 100644
index 0000000000..6b620fa396
--- /dev/null
+++ b/grc/core/utils/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