Add standard interfaces for called programs

lib/exec.py

@@ -0,0 +1,17 @@
+import os
+import pwd
+
+def current_user():
+    return pwd.getpwuid(os.getuid()).pw_name
+
+def sudo(cmd):
+    return subprocess.Popen(['sudo'] + cmd, shell=True,
+                       stderr = subprocess.PIPE,
+                       stdout = subprocess.PIPE,
+                       stdin = subprocess.PIPE)
+
+def exec(cmd):
+    return subprocess.Popen(['sudo'] + cmd, shell=True,
+                       stderr = subprocess.PIPE,
+                       stdout = subprocess.PIPE,
+                       stdin = subprocess.PIPE)

lib/git.py

@@ -0,0 +1,9 @@
+import lib.proc as proc
+
+def clone(url, dest):
+    output = git(['clone', url, dest])
+
+def git(flags):
+    cmd = ['git'] + flags
+    subproc = proc.exec(cmd)
+    return proc.communicate(subproc, cmd)

lib/proc.py

@@ -0,0 +1,23 @@
+import subprocess
+
+def sudo(cmd):
+    #print(['sudo'] + cmd)
+    return subprocess.Popen(['sudo'] + cmd,
+                       stderr = subprocess.PIPE,
+                       stdout = subprocess.PIPE,
+                       stdin = subprocess.PIPE)
+
+def exec(cmd):
+    #print(cmd)
+    return subprocess.Popen(cmd,
+                       stderr = subprocess.PIPE,
+                       stdout = subprocess.PIPE,
+                       stdin = subprocess.PIPE)
+
+def communicate(proc, cmd):
+    data = proc.communicate()
+
+    if proc.returncode != 0:
+        raise Exception('Command failed: ' + data[1].decode())
+
+    return data[0].decode()

lib/yay.py

@@ -0,0 +1,12 @@
+import lib.proc as proc
+
+def install(package):
+    output = yay(['-S', package], True)
+
+def install_all(packages):
+    output = yay(['-S'] + packages, True)
+
+def yay(flags, sudo = False):
+    cmd = ['yay', '--noconfirm'] + flags
+    subproc = proc.sudo(cmd) if sudo else proc.exec(cmd)
+    return proc.communicate(subproc, cmd)