Provide the uninstall command for python-efl itself

INSTALL

@@ -6,7 +6,7 @@
    - Tested with Python 2.6 / 2.7 / 3.2 / 3.3 / 3.4
 
  * Cython 0.19 or higher (http://cython.org/)
-   - Tested with Cython 0.19.1
+   - Tested with Cython 0.21.2
 
  * EFL core library
    - eo, evas, ecore, edje, emotion and elementary
@@ -26,7 +26,9 @@
 ======================
 
  Once EFL is built and installed in your desired destination, proceed with
- building the wrapper.
+ building the wrapper using:
+
+   python setup.py build
 
  Distribution tarballs include pre-generated C source files, so
  cython usage is disabled by default, while is enabled in development git
@@ -48,10 +50,17 @@
 3. CLEANUP
 ==========
 
- * For cleaning up
+ * For cleaning up:
 
+   python setup.py clean --all
+
+ * To also remove all the C/HTML files generated by Cython:
+ 
    python setup.py clean_generated_files
 
+   WARNING: you will need cython to regenerate the C files, do not use this
+            command in distribution tarballs, unless you know what are you doing.
+
 
 
 4. INSTALLATION
@@ -59,7 +68,7 @@
 
  * For system-wide installation (needs administrator privileges):
 
-    python setup.py install
+    (sido) python setup.py install
 
  * For user installation:
 
@@ -67,12 +76,15 @@
 
  * To install for python3:
 
-    python3 setup.py install (also cython need to be installed with py3)
+    (sudo) python3 setup.py install (also cython need to be installed with py3)
 
  * Install with a custom prefix:
 
-    python setup.py install --prefix=/MY_PREFIX
+    (sudo) python setup.py install --prefix=/MY_PREFIX
 
+ * You can also uninstall using:
+
+   (sudo) python setup.py uninstall
 
 
 5. DOCUMENTATION
@@ -105,14 +117,3 @@
  The scripts in examples/ folder must be run by the user as they require
  user interaction.
 
-
-
-7. UNINSTALL
-============
-
- Unfortunately setup.py does not provide a way to remove the installed packages,
-
- To completely remove the installed stuff just remove the 'efl' folder in
- your python installation, usually /usr/(local/)lib/pythonX.X/dist-packages/efl
-
-

setup.py

@@ -128,6 +128,42 @@ class CleanGenerated(Command):
         os.remove(fullpath)
 
 
+# === setup.py uninstall command ===
+class Uninstall(Command):
+    description = 'remove all the installed files recorded at installation time'
+    user_options = []
+
+    def initialize_options(self):
+        pass
+
+    def finalize_options(self):
+        pass
+
+    def remove_entry(self, entry):
+        if os.path.isfile(entry):
+            try:
+                print("removing file %s" % entry)
+                os.unlink(entry)
+            except OSError as e:
+                error(e)
+
+            directory = os.path.dirname(entry)
+            while os.listdir(directory) == []:
+                try:
+                    print("removing empty directory %s" % directory)
+                    os.rmdir(directory)
+                except OSError as e:
+                    error(e)
+                directory = os.path.dirname(directory)
+
+    def run(self):
+        if not os.path.exists("installed_files.txt"):
+            print('Warning: No installed_files.txt file found!')
+        else:
+            for entry in open("installed_files.txt").read().split():
+                self.remove_entry(entry)
+
+
 # === use cython or pre-generated C files ===
 USE_CYTHON = False
 if os.getenv("DISABLE_CYTHON") is not None:
@@ -439,12 +475,16 @@ setup(
     ],
     cmdclass={
         'build_doc': BuildDoc,
-        'clean_generated_files': CleanGenerated
+        'clean_generated_files': CleanGenerated,
+        'uninstall': Uninstall,
     },
     command_options={
         'build_doc': {
             'version': ('setup.py', VERSION),
-            'release': ('setup.py', RELEASE)
+            'release': ('setup.py', RELEASE),
+        },
+        'install': {
+            'record': ('setup.py', 'installed_files.txt'),
         }
     },
     packages=packages,