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Use the rpm python module rather than execing rpm

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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.
This commit is contained in:
Michael Scherer 2015-01-11 04:27:10 +01:00
parent d3297dc8a8
commit 0b2d190f72
1 changed files with 15 additions and 9 deletions
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24
packaging/os/yum.py
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@ -25,6 +25,7 @@
import traceback import traceback
import os import os
import yum import yum
import rpm
try: try:
from yum.misc import find_unfinished_transactions, find_ts_remaining from yum.misc import find_unfinished_transactions, find_ts_remaining
@ -108,7 +109,7 @@ options:
notes: [] notes: []
# informational: requirements for nodes # informational: requirements for nodes
requirements: [ yum, rpm ] requirements: [ yum ]
author: Seth Vidal author: Seth Vidal
''' '''
@ -405,14 +406,19 @@ def transaction_exists(pkglist):
def local_nvra(module, path): def local_nvra(module, path):
"""return nvra of a local rpm passed in""" """return nvra of a local rpm passed in"""
cmd = ['/bin/rpm', '-qp' ,'--qf', ts = rpm.TransactionSet()
'%{name}-%{version}-%{release}.%{arch}\n', path ] ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES)
rc, out, err = module.run_command(cmd) fd = os.open(path, os.O_RDONLY)
if rc != 0: try:
return None header = ts.hdrFromFdno(fd)
nvra = out.split('\n')[0] finally:
return nvra 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): def pkg_to_dict(pkgstr):