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package main
import (
"errors"
"fmt"
"os"
"os/exec"
"path/filepath"
)
func run_r_script(name string, args []string) error {
var rpath, logpath string
var ok bool
workdate, dealname, reinvflag := args[0], args[1], args[2]
if val, ok := os.LookupEnv("CODE_DIR"); ok {
rpath = filepath.Join(val, "R")
} else {
return errors.New("CODE_DIR environment variable not set.")
}
if logpath, ok = os.LookupEnv("LOG_DIR"); !ok {
return errors.New("LOG_DIR environment variable not set.")
}
cmd := exec.Command("Rscript", "--vanilla", filepath.Join(rpath, fmt.Sprintf("%s.R", name)),
workdate, dealname+","+reinvflag)
cmd.Dir = rpath
if f, err := os.OpenFile(filepath.Join(logpath, fmt.Sprintf("%s.Rout", name)),
os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600); err != nil {
return err
} else {
cmd.Stdout = f
if err := cmd.Run(); err != nil {
return err
}
return nil
}
}
func run_python_script(name string, args []string) error {
var python_path string
if val, ok := os.LookupEnv("CODE_DIR"); ok {
python_path = filepath.Join(val, "python")
} else {
return errors.New("CODE_DIR environment variable not set.")
}
args = append([]string{filepath.Join(python_path, name)}, args...)
cmd := exec.Command("python3", args...)
cmd.Dir = python_path
return cmd.Run()
}
var tasks = map[string]func([]string) error{
"build_portfolios": func(args []string) error {
return run_r_script("build_portfolios", args)
},
"build_scenarios": func(args []string) error {
return run_r_script("build_scenarios", args)
},
"generate_scenarios": func(args []string) error {
return run_python_script(filepath.Join("intex", "intex_scenarios.py"), args)
},
}
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