pastebinit: fix deprecation warning and add darwin compatibility

pkgs/tools/misc/pastebinit/default.nix

@@ -1,9 +1,9 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchurl
 , fetchpatch
 , python3
 }:
-
 stdenv.mkDerivation rec {
   version = "1.5";
   pname = "pastebinit";
@@ -21,11 +21,9 @@ stdenv.mkDerivation rec {
 
   patches = [
     # Required to allow pastebinit 1.5 to run on Python 3.8
-    (fetchpatch {
-      name = "use-distro-module.patch";
-      url = "https://bazaar.launchpad.net/~arnouten/pastebinit/python38/diff/264?context=3";
-      sha256 = "1gp5inp4xald65xbb7fc5aqq5s2fhw464niwjjja9anqyp3zhawj";
-    })
+    ./use-distro-module.patch
+    # Required to remove the deprecation warning of FancyURLopener
+    ./use-urllib-request.patch
     # Required because pastebin.com now redirects http requests to https
     (fetchpatch {
       name = "pastebin-com-https.patch";
@@ -47,6 +45,6 @@ stdenv.mkDerivation rec {
     description = "A software that lets you send anything you want directly to a pastebin from the command line";
     maintainers = with maintainers; [ raboof ];
     license = licenses.gpl2;
-    platforms = platforms.linux;
+    platforms = platforms.linux ++ lib.platforms.darwin;
   };
 }

pkgs/tools/misc/pastebinit/use-distro-module.patch

@@ -0,0 +1,14 @@
+=== modified file 'pastebinit'
+--- pastebinit	2018-07-04 00:46:08 +0000
++++ pastebinit	2020-11-13 14:21:11 +0000
+@@ -38,8 +38,8 @@
+ 
+ # Now try to override it with a distributor pastebin
+ try:
+-    import platform
+-    release = platform.linux_distribution()[0].lower()
++    import distro
++    release = distro.id()
+     if release == 'debian':
+         defaultPB = "paste.debian.net"
+     elif release == 'fedora':

pkgs/tools/misc/pastebinit/use-urllib-request.patch

@@ -0,0 +1,66 @@
+=== modified file 'pastebinit'
+--- pastebinit	2018-07-04 00:46:08 +0000
++++ pastebinit	2020-11-13 14:21:11 +0000
+@@ -23,15 +23,9 @@
+ from __future__ import print_function
+ 
+ import sys
+-if sys.version[0] == "2":
+-    from ConfigParser import NoOptionError
+-    from ConfigParser import SafeConfigParser as ConfigParser
+-    from urllib import urlencode
+-    from urllib import FancyURLopener
+-else:
+-    from configparser import ConfigParser, NoOptionError
+-    from urllib.parse import urlencode
+-    from urllib.request import FancyURLopener
++from configparser import ConfigParser, NoOptionError
++from urllib.parse import urlencode
++from urllib.request import urlopen, Request
+ 
+ # Set the default pastebin
+ defaultPB = "pastebin.com"
+@@ -72,13 +66,6 @@ try:
+     version = "1.5"
+     configfile = os.path.expanduser("~/.pastebinit.xml")
+ 
+-    # Custom urlopener to handle 401's
+-    class pasteURLopener(FancyURLopener):
+-        version = "Pastebinit v%s" % version
+-
+-        def http_error_401(self, url, fp, errcode, errmsg, headers, data=None):
+-            return None
+-
+     def preloadPastebins():
+         # Check several places for config files:
+         #  - global config in /etc/pastebin.d
+@@ -410,12 +397,18 @@ try:
+         else:
+             post_format = 'standard'
+ 
+-        url_opener = pasteURLopener()
++        request = Request(
++            fetch_url,
++            method="POST",
++            headers={
++                'User-Agent': "Pastebinit v%s" % version
++            }
++        )
+ 
+         if post_format == 'json':
+             if json:
+                 params = json.dumps(params)
+-                url_opener.addheader('Content-type', 'text/json')
++                request.add_header('Content-type', 'text/json')
+             else:
+                 print(_("Could not find any json library."), file=sys.stderr)
+                 sys.exit(1)
+@@ -428,7 +421,7 @@ try:
+             print("POSTing to: %s\nParams: %s" % (
+                 fetch_url, str(params)), file=sys.stderr)
+         try:
+-            page = url_opener.open(fetch_url, params)
++            page = urlopen(request, params.encode("utf-8"))
+         except Exception as e:
+             print(_("Failed to contact the server: %s") % e, file=sys.stderr)
+             sys.exit(1)