!135 Use local mirrors for pip

From: @fundawang 
Reviewed-by: @dillon_chen 
Signed-off-by: @dillon_chen

pip.huaweicloud.conf

@@ -0,0 +1,5 @@
+[global]
+index-url = https://repo.huaweicloud.com/repository/pypi/simple
+
+[install]
+trusted-host = https://repo.huaweicloud.com

pip.loongarch.conf

@@ -0,0 +1,8 @@
+[global]
+timeout = 60
+index-url = https://pypi.loongnix.cn/loongson/pypi
+extra-index-url = https://repo.huaweicloud.com/repository/pypi/simple
+[install]
+trusted-host =
+    pypi.loongnix.cn
+    repo.huaweicloud.com

python-pip.spec

@@ -6,11 +6,13 @@ pip is the package installer for Python. You can use pip to install packages fro
 %global bashcompdir %(b=$(pkg-config --variable=completionsdir bash-completion 2>/dev/null); echo ${b:-%{_sysconfdir}/bash_completion.d})
 Name:           python-%{srcname}
 Version:        21.3.1
-Release:        2
+Release:        3
 Summary:        A tool for installing and managing Python packages
 License:        MIT and Python and ASL 2.0 and BSD and ISC and LGPLv2 and MPLv2.0 and (ASL 2.0 or BSD)
 URL:            http://www.pip-installer.org
 Source0:        %{pypi_source} 
+Source1:	pip.huaweicloud.conf
+Source2:	pip.loongarch.conf
 BuildArch:      noarch
 Patch1:         allow-stripping-given-prefix-from-wheel-RECORD-files.patch
 Patch2:         emit-a-warning-when-running-with-root-privileges.patch
@@ -97,9 +99,16 @@ rm %{buildroot}%{python3_sitelib}/pip-%{version}.dist-info/RECORD
 mkdir -p %{buildroot}%{python_wheeldir}
 install -p dist/%{python_wheelname} -t %{buildroot}%{python_wheeldir}
 
+# Set default pip mirror via pip.conf
+%ifarch loongarch64
+install -D -m0644 %{SOURCE2} %{buildroot}%{_sysconfdir}/pip.conf
+%else
+install -D -m0644 %{SOURCE1} %{buildroot}%{_sysconfdir}/pip.conf
+%endif
 
 %files -n python%{python3_pkgversion}-%{srcname}
 %license LICENSE.txt
+%config(noreplace) %{_sysconfdir}/pip.conf
 %{_bindir}/pip
 %{_bindir}/pip3
 %{_bindir}/pip-3*
@@ -118,6 +127,9 @@ install -p dist/%{python_wheelname} -t %{buildroot}%{python_wheeldir}
 %{python_wheeldir}/%{python_wheelname}
 
 %changelog
+* Mon Jul 31 2023 Funda Wang <fundawang@yeah.net> - 21.3.1-3
+- Use local mirrors for pip
+
 * Fri Jul 01 2022 dongyuzhen <dongyuzhen@h-partners.com> - 21.3.1-2
 - Add patches that are deleted during the upgrade