Use the rpm python module rather than execing rpm

Using the rpm module prevent a uneeded fork, and permit
to skip the signature checking which slow down a bit the
operation, and which would be done by yum on installation
anyway.
pull/18777/head
Michael Scherer 10 years ago committed by Matt Clay
parent 605a5a5b53
commit 2dfc7122af

@ -25,6 +25,7 @@
import traceback
import os
import yum
import rpm
try:
from yum.misc import find_unfinished_transactions, find_ts_remaining
@ -108,7 +109,7 @@ options:
notes: []
# informational: requirements for nodes
requirements: [ yum, rpm ]
requirements: [ yum ]
author: Seth Vidal
'''
@ -399,14 +400,19 @@ def transaction_exists(pkglist):
def local_nvra(module, path):
"""return nvra of a local rpm passed in"""
cmd = ['/bin/rpm', '-qp' ,'--qf',
'%{name}-%{version}-%{release}.%{arch}\n', path ]
rc, out, err = module.run_command(cmd)
if rc != 0:
return None
nvra = out.split('\n')[0]
return nvra
ts = rpm.TransactionSet()
ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES)
fd = os.open(path, os.O_RDONLY)
try:
header = ts.hdrFromFdno(fd)
finally:
os.close(fd)
return '%s-%s-%s.%s' % (header[rpm.RPMTAG_NAME],
header[rpm.RPMTAG_VERSION],
header[rpm.RPMTAG_RELEASE],
header[rpm.RPMTAG_ARCH])
def pkg_to_dict(pkgstr):

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