Added apt-get

ee/core/aptget.py

@@ -1,20 +1,48 @@
 """EasyEngine package installation using apt-get module."""
+import apt
+import sys
 
-Class EEAptGet():
+
+class EEAptGet:
     """Generice apt-get intialisation"""
-    def __init__():
-        # TODO Common method of apt-get module
-        pass
+
+    def __init__(self):
+        self.cache = apt.cache.Cache()
 
     """Installation of packages"""
-    def install():
-        # TODO Method to install packages
+    def update(self):
+        self.cache.update()
         pass
 
+    """Installation of packages"""
+    def install(self, packages):
+        pkg = self.cache[packages]
+        if pkg.is_installed:
+            print("pkg already installed")
+        else:
+            pkg.mark_install()
+            try:
+                self.cache.commit(apt.progress.TextFetchProgress(),
+                                  apt.progress.InstallProgress())
+
+            except Exception as e:
+                print("Sorry, package installation failed [{err}]"
+                      .format(err=str(e)))
+
     """Removal of packages"""
-    def remove():
-        # TODO Method to remove packages
-        pass
+    def remove(self, packages):
+        pkg = self.cache[packages]
+        if pkg.is_installed:
+            pkg.mark_delete()
+            try:
+                self.cache.commit()
+
+            except Exception as e:
+                print("Sorry, package installation failed [{err}]"
+                      .format(err=str(e)))
+
+        else:
+            print("pkg not installed")
 
     """Purging of packages"""
     def purge():