tvalentyn commented on a change in pull request #12115:
URL: https://github.com/apache/beam/pull/12115#discussion_r452448602



##########
File path: sdks/python/container/boot.go
##########
@@ -170,6 +176,34 @@ func main() {
        log.Fatalf("Python exited: %v", execx.Execute("python", args...))
 }
 
+// setup wheel specs according to installed python version
+func setupAcceptableWheelSpecs() error {
+       cmd := exec.Command("python", "-V")
+       stdoutStderr, err := cmd.CombinedOutput()
+       if err != nil {
+               return err
+       }
+       re := regexp.MustCompile(`Python (\d)\.(\d).*`)
+       pyVersions := re.FindStringSubmatch(string(stdoutStderr[:]))
+       if len(pyVersions) != 3 {
+               return fmt.Errorf("cannot get parse Python version from %s", 
stdoutStderr)
+       }
+       pyVersion := fmt.Sprintf("%s%s", pyVersions[1], pyVersions[2])
+       if pyVersion == "27" {
+               acceptableWhlSpecs = append(acceptableWhlSpecs, 
"cp27-cp27mu-manylinux1_x86_64.whl")

Review comment:
       Can we move this into the `switch` as well?  Thank you!




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