!74 iSulad: replace python to python3

Merge pull request !74 from lifeng_isula/master

cmake/checker.cmake

@@ -3,9 +3,9 @@ include(CheckIncludeFile)
 # check depends library and headers
 find_package(PkgConfig REQUIRED)
 
-# check python
-find_program(CMD_PYTHON python)
-_CHECK(CMD_PYTHON "CMD_PYTHON-NOTFOUND" "python")
+# check python3
+find_program(CMD_PYTHON python3)
+_CHECK(CMD_PYTHON "CMD_PYTHON-NOTFOUND" "python3")
 
 # check tools
 find_program(CMD_TAR tar)

iSulad.spec

@@ -34,7 +34,7 @@ BuildRequires: grpc grpc-plugins grpc-devel protobuf-devel
 BuildRequires: libcurl libcurl-devel sqlite-devel
 BuildRequires: http-parser-devel
 BuildRequires: libseccomp-devel libcap-devel libselinux-devel libwebsockets libwebsockets-devel
-BuildRequires: systemd-devel git
+BuildRequires: systemd-devel git python3
 
 Requires:      iSulad-img lcr lxc clibcni
 Requires:      grpc protobuf yajl

src/json/schema/CMakeLists.txt

-set(cmdpath python)
+set(cmdpath python3)
 set(pysrcpath ${CMAKE_CURRENT_SOURCE_DIR}/src/generate.py)
 set(schemapath ${CMAKE_CURRENT_SOURCE_DIR}/schema)
 set(outputpath ${CMAKE_BINARY_DIR}/json)