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package main
import (
"os"
"path"
"strings"
"gopkg.in/ini.v1"
pwl "github.com/justjanne/powerline-go/powerline"
)
func segmentVirtualEnv(p *powerline) []pwl.Segment {
env := os.Getenv("VIRTUAL_ENV_PROMPT")
if strings.HasPrefix(env, "(") && strings.HasSuffix(env, ") ") {
env = strings.TrimPrefix(env, "(")
env = strings.TrimSuffix(env, ") ")
}
if env == "" {
venv, _ := os.LookupEnv("VIRTUAL_ENV")
if venv != "" {
cfg, err := ini.Load(path.Join(venv, "pyvenv.cfg"))
if err == nil {
// python >= 3.6 the venv module will not insert a prompt
// key unless the `--prompt` flag is passed to the module
// or if calling with the prompt arg EnvBuilder
// otherwise env evaluates to an empty string, per return
// of ini.File.Section.Key
if pyEnv := cfg.Section("").Key("prompt").String(); pyEnv != "" {
env = pyEnv
}
}
if env == "" {
env = venv
}
}
}
if env == "" {
env, _ = os.LookupEnv("CONDA_ENV_PATH")
}
if env == "" {
env, _ = os.LookupEnv("CONDA_DEFAULT_ENV")
}
if env == "" {
env, _ = os.LookupEnv("PYENV_VERSION")
}
if env == "" {
return []pwl.Segment{}
}
envName := path.Base(env)
if p.cfg.VenvNameSizeLimit > 0 && len(envName) > p.cfg.VenvNameSizeLimit {
envName = p.symbols.VenvIndicator
}
return []pwl.Segment{{
Name: "venv",
Content: escapeVariables(p, envName),
Foreground: p.theme.VirtualEnvFg,
Background: p.theme.VirtualEnvBg,
}}
}
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