Update notifications for pacman, cower, yaourt.

These modules are also runnable directly from terminal.

i3pystatus/updates/cower.py

@@ -13,6 +13,12 @@ class Cower(Backend):
     def updates(self):
         command = ["cower", "-u"]
         cower = run_through_shell(command)
-        return cower.out.count('\n')
+        return cower.out.count('\n'), cower.out
 
 Backend = Cower
+
+if __name__ == "__main__":
+    """
+    Call this module directly; Print the update count and notification body.
+    """
+    print("Updates: {}\n\n{}".format(*Backend().updates))

i3pystatus/updates/dnf.py

@@ -35,5 +35,4 @@ if __name__ == "__main__":
     """
     Call this module directly; Print the update count and notification body.
     """
-    dnf = Dnf()
-    print("Updates: {}\n\n{}".format(*dnf.updates))
+    print("Updates: {}\n\n{}".format(*Backend().updates))

i3pystatus/updates/pacman.py

@@ -12,6 +12,12 @@ class Pacman(Backend):
     def updates(self):
         command = ["checkupdates"]
         checkupdates = run_through_shell(command)
-        return checkupdates.out.count('\n')
+        return checkupdates.out.count("\n"), checkupdates.out
 
 Backend = Pacman
+
+if __name__ == "__main__":
+    """
+    Call this module directly; Print the update count and notification body.
+    """
+    print("Updates: {}\n\n{}".format(*Backend().updates))

i3pystatus/updates/yaourt.py

@@ -25,8 +25,15 @@ class Yaourt(Backend):
     def updates(self):
         command = ["yaourt", "-Qua"]
         checkupdates = run_through_shell(command)
+        out = checkupdates.out
         if(self.aur_only):
-            return len(re.findall("^aur/", checkupdates.out, flags=re.M))
-        return checkupdates.out.count("\n")
+            out = [line for line in out if line.startswith("aur")]
+        return out.count("\n"), out
 
 Backend = Yaourt
+
+if __name__ == "__main__":
+    """
+    Call this module directly; Print the update count and notification body.
+    """
+    print("Updates: {}\n\n{}".format(*Backend().updates))