Multiline Run scripts, and going pretty far for python 3.8

pod.py

@@ -8,9 +8,16 @@ from podctl import *
 
 podctl = Container(
     Base('quay.io/podman/stable'),
-    Packages('python3', 'buildah', mgr='dnf'),
+    Packages('python38', 'buildah', 'unzip', mgr='dnf'),
+    Run('''
+    curl -o setuptools.zip https://files.pythonhosted.org/packages/42/3e/2464120172859e5d103e5500315fb5555b1e908c0dacc73d80d35a9480ca/setuptools-45.1.0.zip
+    unzip setuptools.zip
+    mkdir -p /usr/local/lib/python3.8/site-packages/
+    sh -c "cd setuptools-* && python3.8 setup.py install"
+    easy_install-3.8 pip
+    '''),
     Copy(['setup.py', 'podctl'], '/app'),
-    Pip('/app'),
+    Pip('/app', pip='pip3.8'),
     Config(cmd='podctl', author='jpic'),
     Commit('docker.io/yourlabs/podctl'),
 )

podctl/visitors/pip.py

@@ -1,8 +1,12 @@
 class Pip:
-    def __init__(self, *pip_packages):
+    def __init__(self, *pip_packages, pip=None):
         self.pip_packages = pip_packages
+        self.pip = pip
 
     def build(self, script):
+        if self.pip:
+            script.append('_pip=' + self.pip)
+        else:
             script.append(f'''
             if {script._run("bash -c 'type pip3'")}; then
                 _pip=pip3

podctl/visitors/run.py

@@ -4,4 +4,6 @@ class Run:
 
     def build(self, script):
         for command in self.commands:
-            script.run(command)
+            for line in command.split('\n'):
+                if line.strip():
+                    script.run(line.strip())