feat: Add jinja2 dependencies

Author: codablock

Diff for: pkg/generate/main.go

@@ -64,6 +64,7 @@ var removePatterns = []glob.Glob{
 	glob.MustCompile("**.pdb"),
 	glob.MustCompile("**.pyc"),
 	glob.MustCompile("**/test_*.py"),
+	glob.MustCompile("**/*.dist-info"),
 }
 
 var keepNixPatterns = []glob.Glob{
@@ -124,23 +125,31 @@ func downloadAndCopy(osName string, arch string, out string, keepPatterns []glob
 
 	extract(downloadPath, extractPath)
 
+	installPath := filepath.Join(extractPath, "python", "install")
+
+	var libPath string
+	if osName == "windows" {
+		libPath = filepath.Join(installPath, "Lib")
+	} else {
+		libPath = filepath.Join(installPath, "lib", fmt.Sprintf("python%s", pythonVersionBase))
+	}
+
+	pipInstallRequirements(libPath, "requirements.txt")
+
 	var removes []string
 
 	for _, lib := range removeLibs {
-		removes = append(removes, filepath.Join("lib", fmt.Sprintf("python%s", pythonVersionBase), lib))
-		removes = append(removes, filepath.Join("Lib", lib))
+		removes = append(removes, filepath.Join(libPath, lib))
 	}
 
-	installPath := filepath.Join(extractPath, "python", "install")
-
 	err = filepath.Walk(installPath, func(path string, info fs.FileInfo, err error) error {
 		relPath, err := filepath.Rel(installPath, path)
 		if err != nil {
 			log.Panic(err)
 		}
 		for _, p := range removePatterns {
-			if p.Match(path) {
-				removes = append(removes, relPath)
+			if p.Match(relPath) {
+				removes = append(removes, path)
 			}
 		}
 		if !info.Mode().IsDir() {
@@ -152,7 +161,7 @@ func downloadAndCopy(osName string, arch string, out string, keepPatterns []glob
 				}
 			}
 			if !keep {
-				removes = append(removes, relPath)
+				removes = append(removes, path)
 			}
 		}
 		return nil
@@ -162,7 +171,7 @@ func downloadAndCopy(osName string, arch string, out string, keepPatterns []glob
 	}
 
 	for _, r := range removes {
-		_ = os.RemoveAll(filepath.Join(installPath, r))
+		_ = os.RemoveAll(r)
 	}
 
 	err = removeEmptyDirs(installPath)

Diff for: pkg/generate/pip.go

@@ -0,0 +1,16 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+)
+
+func pipInstallRequirements(libDir string, requirementsFile string) {
+	cmd := exec.Command("pip3", "install", "-r", requirementsFile, "-t", libDir)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err := cmd.Run()
+	if err != nil {
+		panic(err)
+	}
+}

Diff for: requirements.txt

@@ -0,0 +1,4 @@
+jinja2==3.1.2
+click==8.1.3
+jsonpath-ng==1.5.3
+pyyaml==6.0