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authorTom Zanussi <tom.zanussi@linux.intel.com>2014-08-08 15:53:52 -0500
committerRichard Purdie <richard.purdie@linuxfoundation.org>2014-08-11 10:53:12 +0100
commitd8f9d05baee3abd4feb0a5b2f2afe467e919c6b9 (patch)
treeedc6ba90a220ad5bbba41998c3c5c82e1e97760d /scripts/lib/wic/utils/runner.py
parenta43c1f94205d95c6eb77af2f0a494b4143f9eaf8 (diff)
downloadpoky-d8f9d05baee3abd4feb0a5b2f2afe467e919c6b9.tar.gz
wic: Rename /mic to /wic
As well as any other stray instances of mic in the codebase that can be removed. We don't really need to carry around legacy naming, and the history is in git. (From OE-Core rev: 598b120406dc1d2b7e377bd1ab6f0acbef034b22) Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts/lib/wic/utils/runner.py')
-rw-r--r--scripts/lib/wic/utils/runner.py109
1 files changed, 109 insertions, 0 deletions
diff --git a/scripts/lib/wic/utils/runner.py b/scripts/lib/wic/utils/runner.py
new file mode 100644
index 0000000000..e740dad253
--- /dev/null
+++ b/scripts/lib/wic/utils/runner.py
@@ -0,0 +1,109 @@
1#!/usr/bin/python -tt
2#
3# Copyright (c) 2011 Intel, Inc.
4#
5# This program is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License as published by the Free
7# Software Foundation; version 2 of the License
8#
9# This program is distributed in the hope that it will be useful, but
10# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
11# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12# for more details.
13#
14# You should have received a copy of the GNU General Public License along
15# with this program; if not, write to the Free Software Foundation, Inc., 59
16# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18import os
19import subprocess
20
21from wic import msger
22
23def runtool(cmdln_or_args, catch=1):
24 """ wrapper for most of the subprocess calls
25 input:
26 cmdln_or_args: can be both args and cmdln str (shell=True)
27 catch: 0, quitely run
28 1, only STDOUT
29 2, only STDERR
30 3, both STDOUT and STDERR
31 return:
32 (rc, output)
33 if catch==0: the output will always None
34 """
35
36 if catch not in (0, 1, 2, 3):
37 # invalid catch selection, will cause exception, that's good
38 return None
39
40 if isinstance(cmdln_or_args, list):
41 cmd = cmdln_or_args[0]
42 shell = False
43 else:
44 import shlex
45 cmd = shlex.split(cmdln_or_args)[0]
46 shell = True
47
48 if catch != 3:
49 dev_null = os.open("/dev/null", os.O_WRONLY)
50
51 if catch == 0:
52 sout = dev_null
53 serr = dev_null
54 elif catch == 1:
55 sout = subprocess.PIPE
56 serr = dev_null
57 elif catch == 2:
58 sout = dev_null
59 serr = subprocess.PIPE
60 elif catch == 3:
61 sout = subprocess.PIPE
62 serr = subprocess.STDOUT
63
64 try:
65 p = subprocess.Popen(cmdln_or_args, stdout=sout,
66 stderr=serr, shell=shell)
67 (sout, serr) = p.communicate()
68 # combine stdout and stderr, filter None out
69 out = ''.join(filter(None, [sout, serr]))
70 except OSError, e:
71 if e.errno == 2:
72 # [Errno 2] No such file or directory
73 msger.error('Cannot run command: %s, lost dependency?' % cmd)
74 else:
75 raise # relay
76 finally:
77 if catch != 3:
78 os.close(dev_null)
79
80 return (p.returncode, out)
81
82def show(cmdln_or_args):
83 # show all the message using msger.verbose
84
85 rc, out = runtool(cmdln_or_args, catch=3)
86
87 if isinstance(cmdln_or_args, list):
88 cmd = ' '.join(cmdln_or_args)
89 else:
90 cmd = cmdln_or_args
91
92 msg = 'running command: "%s"' % cmd
93 if out: out = out.strip()
94 if out:
95 msg += ', with output::'
96 msg += '\n +----------------'
97 for line in out.splitlines():
98 msg += '\n | %s' % line
99 msg += '\n +----------------'
100
101 msger.verbose(msg)
102 return rc
103
104def outs(cmdln_or_args, catch=1):
105 # get the outputs of tools
106 return runtool(cmdln_or_args, catch)[1].strip()
107
108def quiet(cmdln_or_args):
109 return runtool(cmdln_or_args, catch=0)[0]