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optionally use rpm python module instead of calling a

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external executable, to avoid the cost of forking.
Since python-rpm is not automatically present, we still fallback
on the slower rpm fork method.
This commit is contained in:
Michael Scherer 2013-11-17 15:10:17 +01:00
parent 9482815b71
commit 0d8b81cd95
1 changed files with 9 additions and 0 deletions
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9
library/packaging/urpmi
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@ -76,11 +76,18 @@ import json
import shlex
import os
import sys
try:
import rpm
USE_PYTHON = True
except ImportError:
USE_PYTHON = False
URPMI_PATH = '/usr/sbin/urpmi'
URPME_PATH = '/usr/sbin/urpme'
def query_package(module, name):
if USE_PYTHON:
return rpm.TransactionSet().dbMatch(rpm.RPMTAG_NAME, name).count() != 0
# rpm -q returns 0 if the package is installed,
# 1 if it is not installed
@ -91,6 +98,8 @@ def query_package(module, name):
return False
def query_package_provides(module, name):
if USE_PYTHON:
return rpm.TransactionSet().dbMatch(rpm.RPMTAG_PROVIDES, name).count() != 0
# rpm -q returns 0 if the package is installed,
# 1 if it is not installed