如何查找一个命令由哪个rpm安装&&rpm 的相关查询方法

[root@test-can-nginx src]# which python3
/usr/bin/python3
[root@test-can-nginx src]# rpm -qf /usr/bin/python3
python34-3.4.-.el6.x86_64
[root@test-can-nginx src]# rpm -ql python34-3.4.-.el6.x86_64
/usr/bin/pydoc3
/usr/bin/pydoc3.
/usr/bin/python3
/usr/bin/python3.
/usr/bin/python3.4m
/usr/bin/pyvenv
/usr/bin/pyvenv-3.4
/usr/share/doc/python34-3.4.
/usr/share/doc/python34-3.4./LICENSE
/usr/share/doc/python34-3.4./README
/usr/share/man/man1/python3..gz
/usr/share/man/man1/python3.4.1.gz
[root@test-can-nginx src]# rpm -qa|grep python
setools-libs-python-3.3.-.el6.x86_64
policycoreutils-python-2.0.-30.1.el6_8.x86_64
rpm-python-4.8.-.el6.x86_64
newt-python-0.52.-.el6.x86_64
python34-tkinter-3.4.-.el6.x86_64
python3-rpm-macros--.el6.noarch
python34-tools-3.4.-.el6.x86_64
libsemanage-python-2.0.-5.1.el6.x86_64
python-libs-2.6.-.el6_8.x86_64
libproxy-python-0.3.-.el6.x86_64
python-urlgrabber-3.9.-.el6.noarch
python-iniparse-0.3.-2.1.el6.noarch
python34-libs-3.4.-.el6.x86_64
python-rpm-macros--.el6.noarch
libselinux-python-2.0.-.el6.x86_64
python34-devel-3.4.-.el6.x86_64
audit-libs-python-2.4.-.el6.x86_64
python-2.6.-.el6_8.x86_64
python-pycurl-7.19.-.el6.x86_64
python34-3.4.-.el6.x86_64
python-srpm-macros--.el6.noarch
[root@test-can-nginx src]# rpm -qi python34-3.4.-.el6.x86_64
Name        : python34                     Relocations: (not relocatable)
Version     : 3.4.                             Vendor: Fedora Project
Release     : .el6                         Build Date: Mon  Apr  :: PM CST
Install Date: Mon  Aug  :: PM CST      Build Host: buildvm-.phx2.fedoraproject.org
Group       : Development/Languages         Source RPM: python34-3.4.-.el6.src.rpm
Size        :                             License: Python
Signature   : RSA/, Mon  Apr  :: PM CST, Key ID 3b49df2a0608b895
Packager    : Fedora Project
URL         : http://www.python.org/
Summary     : Version  of the Python programming language aka Python
Description :
Python  is a new version of the language that is incompatible with the .x
line of releases. The language is mostly the same, but many details, especially
how built-in objects like dictionaries and strings work, have changed
considerably, and a lot of deprecated features have finally been removed.