[bitbake-devel] [PATCH 2/2] replace os.popen with subprocess.Popen
Robert Yang
liezhi.yang at windriver.com
Mon May 14 08:07:35 UTC 2012
Replace os.popen with subprocess.Popen since the older function would
fail (more or less) silently if the executed program cannot be found
More info:
http://docs.python.org/library/subprocess.html#subprocess-replacements
[YOCTO #2075]
Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
---
bitbake/lib/bb/fetch2/perforce.py | 6 +++---
bitbake/lib/bb/fetch2/svk.py | 3 ++-
bitbake/lib/bb/ui/crumbs/builddetailspage.py | 3 ++-
bitbake/lib/bb/ui/crumbs/hig.py | 2 +-
4 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/bitbake/lib/bb/fetch2/perforce.py b/bitbake/lib/bb/fetch2/perforce.py
index 6abf15d..ad7df5f 100644
--- a/bitbake/lib/bb/fetch2/perforce.py
+++ b/bitbake/lib/bb/fetch2/perforce.py
@@ -91,7 +91,7 @@ class Perforce(FetchMethod):
p4cmd = data.getVar('FETCHCOMMAND_p4', d, True)
logger.debug(1, "Running %s%s changes -m 1 %s", p4cmd, p4opt, depot)
- p4file = os.popen("%s%s changes -m 1 %s" % (p4cmd, p4opt, depot))
+ p4file = subprocess.Popen("%s%s changes -m 1 %s" % (p4cmd, p4opt, depot), shell=True, stdout=subprocess.PIPE).stdout
cset = p4file.readline().strip()
logger.debug(1, "READ %s", cset)
if not cset:
@@ -155,7 +155,7 @@ class Perforce(FetchMethod):
logger.debug(2, "Fetch: creating temporary directory")
bb.utils.mkdirhier(data.expand('${WORKDIR}', localdata))
data.setVar('TMPBASE', data.expand('${WORKDIR}/oep4.XXXXXX', localdata), localdata)
- tmppipe = os.popen(data.getVar('MKTEMPDIRCMD', localdata, True) or "false")
+ tmppipe = subprocess.Popen(data.getVar('MKTEMPDIRCMD', localdata, True) or "false", shell=True, stdout=subprocess.PIPE).stdout
tmpfile = tmppipe.readline().strip()
if not tmpfile:
raise FetchError("Fetch: unable to create temporary directory.. make sure 'mktemp' is in the PATH.", loc)
@@ -169,7 +169,7 @@ class Perforce(FetchMethod):
os.chdir(tmpfile)
logger.info("Fetch " + loc)
logger.info("%s%s files %s", p4cmd, p4opt, depot)
- p4file = os.popen("%s%s files %s" % (p4cmd, p4opt, depot))
+ p4file = subprocess.Popen("%s%s files %s" % (p4cmd, p4opt, depot), shell=True, stdout=subprocess.PIPE).stdout
if not p4file:
raise FetchError("Fetch: unable to get the P4 files from %s" % depot, loc)
diff --git a/bitbake/lib/bb/fetch2/svk.py b/bitbake/lib/bb/fetch2/svk.py
index 9d34abf..cfca713 100644
--- a/bitbake/lib/bb/fetch2/svk.py
+++ b/bitbake/lib/bb/fetch2/svk.py
@@ -26,6 +26,7 @@ This implementation is for svk. It is based on the svn implementation
# Based on functions from the base bb module, Copyright 2003 Holger Schurig
import os
+import subprocess
import logging
import bb
from bb import data
@@ -77,7 +78,7 @@ class Svk(FetchMethod):
logger.debug(2, "Fetch: creating temporary directory")
bb.utils.mkdirhier(data.expand('${WORKDIR}', localdata))
data.setVar('TMPBASE', data.expand('${WORKDIR}/oesvk.XXXXXX', localdata), localdata)
- tmppipe = os.popen(data.getVar('MKTEMPDIRCMD', localdata, True) or "false")
+ tmppipe = subprocess.Popen(data.getVar('MKTEMPDIRCMD', localdata, True) or "false", shell=True, stdout=subprocess.PIPE).stdout
tmpfile = tmppipe.readline().strip()
if not tmpfile:
logger.error()
diff --git a/bitbake/lib/bb/ui/crumbs/builddetailspage.py b/bitbake/lib/bb/ui/crumbs/builddetailspage.py
index 51e6a4a..30f8249 100755
--- a/bitbake/lib/bb/ui/crumbs/builddetailspage.py
+++ b/bitbake/lib/bb/ui/crumbs/builddetailspage.py
@@ -28,6 +28,7 @@ from bb.ui.crumbs.hobwidget import hic, HobNotebook, HobAltButton, HobWarpCellRe
from bb.ui.crumbs.runningbuild import RunningBuildTreeView
from bb.ui.crumbs.runningbuild import BuildFailureTreeView
from bb.ui.crumbs.hobpages import HobPage
+import subprocess
class BuildConfigurationTreeView(gtk.TreeView):
def __init__ (self):
@@ -96,7 +97,7 @@ class BuildConfigurationTreeView(gtk.TreeView):
for path in src_config_info.layers:
import os, os.path
if os.path.exists(path):
- f = os.popen('cd %s; git branch 2>&1 | grep "^* " | tr -d "* "' % path)
+ f = subprocess.Popen('cd %s; git branch 2>&1 | grep "^* " | tr -d "* "' % path, shell=True, stdout=subprocess.PIPE).stdout
if f:
branch = f.readline().lstrip('\n').rstrip('\n')
vars.append(self.set_vars("Branch:", branch))
diff --git a/bitbake/lib/bb/ui/crumbs/hig.py b/bitbake/lib/bb/ui/crumbs/hig.py
index 4baf960..e7650f2 100644
--- a/bitbake/lib/bb/ui/crumbs/hig.py
+++ b/bitbake/lib/bb/ui/crumbs/hig.py
@@ -726,7 +726,7 @@ class DeployImageDialog (CrumbsDialog):
self.progress_bar.hide()
def popen_read(self, cmd):
- return os.popen("%s 2>/dev/null" % cmd).read().strip()
+ return subprocess.Popen("%s 2>/dev/null" % cmd, shell=True, stdout=subprocess.PIPE).stdout.read().strip()
def find_all_usb_devices(self):
usb_devs = [ os.readlink(u)
--
1.7.1
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