Switch to PyGObject by default (#271)

* cd/offset: remove unused call to gobject.thread_init()

There are no threads involved.

* task: switch to PyGObject

Python-gobject-2 is deprecated.

* travis: update dependencies for PyGObject and GLib-2.0

* README: Add GObject Introspection

.travis.yml

@@ -10,7 +10,7 @@ install:
     # Dependencies
     - sudo apt-get -qq update
     - sudo pip install --upgrade -qq pip
-    - sudo apt-get -qq install cdparanoia cdrdao flac libcdio-dev libiso9660-dev libsndfile1-dev python-cddb python-gobject python-musicbrainzngs python-mutagen python-setuptools sox swig libcdio-utils
+    - sudo apt-get -qq install cdparanoia cdrdao flac gir1.2-glib-2.0 libcdio-dev libiso9660-dev libsndfile1-dev python-cddb python-gi python-musicbrainzngs python-mutagen python-setuptools sox swig libcdio-utils
     - sudo pip install pycdio==0.21 requests
 
     # Testing dependencies

README.md

@@ -78,7 +78,8 @@ Whipper relies on the following packages in order to run correctly and provide a
 - [cd-paranoia](https://www.gnu.org/software/libcdio/), for the actual ripping
   - To avoid bugs it's advised to use `cd-paranoia` **10.2+0.94+2-2**
 - [cdrdao](http://cdrdao.sourceforge.net/), for session, TOC, pre-gap, and ISRC extraction
-- [python-gobject-2](https://packages.debian.org/en/jessie/python-gobject-2), required by `task.py`
+- [GObject Introspection](https://wiki.gnome.org/Projects/GObjectIntrospection), to provide GLib-2.0 methods used by `task.py`
+- [PyGObject](https://pypi.org/project/PyGObject/), required by `task.py`
 - [python-musicbrainzngs](https://github.com/alastair/python-musicbrainzngs), for metadata lookup
 - [python-mutagen](https://pypi.python.org/pypi/mutagen), for tagging support
 - [python-setuptools](https://pypi.python.org/pypi/setuptools), for installation, plugins support

whipper/command/cd.py

@@ -24,7 +24,6 @@ import os
 import glob
 import sys
 import logging
-import gobject
 from whipper.command.basecommand import BaseCommand
 from whipper.common import (
     accurip, config, drive, program, task
@@ -32,8 +31,6 @@ from whipper.common import (
 from whipper.program import cdrdao, cdparanoia, utils
 from whipper.result import result
 
-gobject.threads_init()
-
 logger = logging.getLogger(__name__)
 
 

whipper/command/offset.py

@@ -23,15 +23,12 @@ import os
 import sys
 import tempfile
 import logging
-import gobject
 from whipper.command.basecommand import BaseCommand
 from whipper.common import accurip, common, config, drive
 from whipper.common import task as ctask
 from whipper.program import arc, cdrdao, cdparanoia, utils
 from whipper.extern.task import task
 
-gobject.threads_init()
-
 logger = logging.getLogger(__name__)
 
 # see http://www.accuraterip.com/driveoffsets.htm

whipper/extern/task/task.py

@@ -21,7 +21,10 @@
 import logging
 import sys
 
-import gobject
+try:
+    from gi.repository import GLib as gobject
+except ImportError:
+    import gobject
 
 logger = logging.getLogger(__name__)