using python3

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:2.7
+FROM python:3
 
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app

GMusicProxy

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 #
 # Google Play Music Proxy © Mario Di Raimondo < mario.diraimondo (at) gmail.com >
@@ -31,15 +31,15 @@ try: # Python 2
     from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
     from urlparse import urlparse, parse_qs
     from urllib2 import URLError, build_opener
-    from ConfigParser import SafeConfigParser
+    from ConfigParser import ConfigParser
     from StringIO import StringIO
     from SocketServer import ThreadingMixIn
 except ImportError: # Python 3
     from urllib.parse import urlparse, parse_qs
     from urllib.error import URLError
     from urllib.request import build_opener
     from http.server import HTTPServer, BaseHTTPRequestHandler
-    from configparser import SafeConfigParser
+    from configparser import ConfigParser
     from io import StringIO
     from socketserver import ThreadingMixIn
 
@@ -814,13 +814,13 @@ def getOptions(filename):
     parser.add_argument(
         '--keyring-entry', help='keyring entry to use, required if --keyring-service is used')
 
-    config = SafeConfigParser()
+    config = ConfigParser()
     args = parser.parse_args()
     fp = StringIO('[dummy]\n')
-    config.readfp(fp)
+    config.read_file(fp)
     if args.config:
         fp = StringIO('[dummy]\n' + args.config.read())
-        config.readfp(fp)
+        config.read_file(fp)
     else:
         for path in reversed(list(xdg.BaseDirectory.load_config_paths(filename))):
             fp = StringIO('[dummy]\n' + open(path, 'r').read())

README.md

@@ -129,13 +129,13 @@ Feel free to open [bug reports][4] (complete of verbose output produced with opt
 ## Setup
 ### Requirements
 - a Google Play Music account with All Access subscription (some functionalities continue to work even with a free account)
-- a **Python** 2.7 interpreter (experimental support for **Python** 3 is included)
+- a **Python** interpreter
 - some python libs: *gmusicapi*, *netifaces*, *pyxdg*, *eyed3*, *python-daemon*
 
 ### Installation
 The following instructions have a Debian/Ubuntu GNU/Linux system as reference: nevertheless they work on any other GNU/Linux system using the right substitute of `apt-get`. It is known to work also on Mac OS X and Windows systems.
 
-In order to build some dependencies, you need for sure a working building system with `sudo apt-get install build-essential python2.7-dev`. It could be useful to add some necessary packages: `sudo apt-get install libffi-dev  libssl-dev`.
+In order to build some dependencies, you need for sure a working building system with `sudo apt-get install build-essential python3.7-dev`. It could be useful to add some necessary packages: `sudo apt-get install libffi-dev  libssl-dev`.
 
 - The easiest way, but not suggested, is to use the `pip` command to install the proxy with all the dependencies from PyPI and GitHub repositories:
 
@@ -155,7 +155,7 @@ In order to build some dependencies, you need for sure a working building system
 
     ```bash
     sudo apt-get install python-pip python-virtualenv virtualenvwrapper
-    mkvirtualenv -p /usr/bin/python2 gmusicproxy
+    mkvirtualenv -p /usr/bin/python3 gmusicproxy
     git clone https://github.com/diraimondo/gmusicproxy.git
     cd gmusicproxy
     pip install -r requirements.txt

setup.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import re