def cat_file_to_cmd(file, command, ignore_status=0, return_output=False):
"""
equivalent to 'cat file | command' but knows to use
zcat or bzcat if appropriate
"""
if not os.path.isfile(file):
raise NameError("invalid file %s to cat to command %s" % (file, command))
if return_output:
run_cmd = utils.system_output
else:
run_cmd = utils.system
if magic.guess_type(file) == "application/x-bzip2":
cat = "bzcat"
elif magic.guess_type(file) == "application/x-gzip":
cat = "zcat"
else:
cat = "cat"
return run_cmd("%s %s | %s" % (cat, file, command), ignore_status=ignore_status)
def cat_file_to_cmd(file, command, ignore_status=0, return_output=False):
"""
equivalent to 'cat file | command' but knows to use
zcat or bzcat if appropriate
"""
if not os.path.isfile(file):
raise NameError('invalid file %s to cat to command %s'
% (file, command))
if return_output:
run_cmd = utils.system_output
else:
run_cmd = utils.system
if magic.guess_type(file) == 'application/x-bzip2':
cat = 'bzcat'
elif magic.guess_type(file) == 'application/x-gzip':
cat = 'zcat'
else:
cat = 'cat'
return run_cmd('%s %s | %s' % (cat, file, command),
ignore_status=ignore_status)
def check_for_kernel_feature(feature):
config = running_config()
if not config:
raise TypeError("Can't find kernel config file")
if magic.guess_type(config) == 'application/x-gzip':
grep = 'zgrep'
else:
grep = 'grep'
grep += ' ^CONFIG_%s= %s' % (feature, config)
if not utils.system_output(grep, ignore_status=True):
raise ValueError("Kernel doesn't have a %s feature" % (feature))
def check_for_kernel_feature(feature):
config = running_config()
if not config:
raise TypeError("Can't find kernel config file")
if magic.guess_type(config) == 'application/x-gzip':
grep = 'zgrep'
else:
grep = 'grep'
grep += ' ^CONFIG_%s= %s' % (feature, config)
if not utils.system_output(grep, ignore_status=True):
raise ValueError("Kernel doesn't have a %s feature" % (feature))
