soroush.asadi
47dd87c60b
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afterfx -r alone leaves AE on its empty Home/Start screen, which blocks the script from running (AE sits idle on Untitled Project until the scan times out). Now launch 'afterfx <aep> -r scan.jsx' so the project opens directly; scan.jsx uses the already-open project and only app.open()s as a fallback. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
package runner
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import (
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"context"
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_ "embed"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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"time"
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)
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//go:embed scan.jsx
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var scanScript []byte
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// WriteScanScript writes the embedded scanner JSX into workDir and returns its path.
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func WriteScanScript(workDir string) (string, error) {
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dir := filepath.Join(workDir, "scripts")
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if err := os.MkdirAll(dir, 0o755); err != nil {
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return "", err
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}
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p := filepath.Join(dir, "scan.jsx")
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if err := os.WriteFile(p, scanScript, 0o644); err != nil {
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return "", err
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}
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return p, nil
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}
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// RunScan runs the After Effects template scanner against aepPath and returns the
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// JSON the script writes to outPath. afterfxPath must be afterfx.exe (the AE app,
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// not aerender.exe — only the app can run ScriptUI/ExtendScript).
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//
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// afterfx -r runs the script and the script calls app.quit(); we still poll for the
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// output file because afterfx can return before the file is flushed.
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func RunScan(ctx context.Context, afterfxPath, aepPath, workDir, outPath, mode string) ([]byte, error) {
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ClearAECrashState() // avoid the "Crash Repair Options" dialog hanging a headless launch
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scriptPath, err := WriteScanScript(workDir)
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if err != nil {
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return nil, fmt.Errorf("write scan script: %w", err)
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}
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if err := os.MkdirAll(filepath.Dir(outPath), 0o755); err != nil {
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return nil, err
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}
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_ = os.Remove(outPath)
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_ = os.Remove(outPath + ".error")
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if mode == "" {
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mode = "flexible"
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}
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// Pass the project AS AN ARGUMENT so AE opens it directly on launch — this
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// bypasses the Home/Start screen, which otherwise blocks the -r script from
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// running (AE sits idle on an empty "Untitled Project"). The script then uses
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// the already-open project.
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args := []string{}
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if aepPath != "" {
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args = append(args, aepPath)
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}
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args = append(args, "-r", scriptPath)
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cmd := exec.CommandContext(ctx, afterfxPath, args...)
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cmd.Env = append(os.Environ(), "FR_SCAN_AEP="+aepPath, "FR_SCAN_OUT="+outPath, "FR_SCAN_MODE="+mode)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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// afterfx may exit non-zero on app.quit() — don't treat the exit code as fatal;
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// success is determined by the presence of the output JSON file.
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_ = cmd.Run()
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for {
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if eb, rerr := os.ReadFile(outPath + ".error"); rerr == nil && len(eb) > 0 {
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return nil, fmt.Errorf("scan script error: %s", string(eb))
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}
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if b, rerr := os.ReadFile(outPath); rerr == nil && len(b) > 0 {
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return b, nil
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}
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select {
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case <-ctx.Done():
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return nil, fmt.Errorf("scan timed out waiting for %s", outPath)
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case <-time.After(2 * time.Second):
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}
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}
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}
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