Changes:

= Do not set default pastbin url based on distribution used.

= Fix warning about deprecated methords in 'pasteURLopener' - applied patch from Debian.

= Fix paths to configuration directories.

diff -uNr pastebinit-1.5/pastebinit pastebinit-1.5.mod/pastebinit
--- pastebinit-1.5/pastebinit	2016-03-01 07:52:32.000000000 +0200
+++ pastebinit-1.5.mod/pastebinit	2019-07-27 14:05:27.571525242 +0300
@@ -27,28 +27,15 @@
     from ConfigParser import NoOptionError
     from ConfigParser import SafeConfigParser as ConfigParser
     from urllib import urlencode
-    from urllib import FancyURLopener
+    from urllib import request
 else:
     from configparser import ConfigParser, NoOptionError
     from urllib.parse import urlencode
-    from urllib.request import FancyURLopener
+    from urllib import request

 # Set the default pastebin
 defaultPB = "pastebin.com"

-# Now try to override it with a distributor pastebin
-try:
-    import platform
-    release = platform.linux_distribution()[0].lower()
-    if release == 'debian':
-        defaultPB = "paste.debian.net"
-    elif release == 'fedora':
-        defaultPB = "fpaste.org"
-    elif release == 'ubuntu':
-        defaultPB = "paste.ubuntu.com"
-except ImportError:
-    pass
-
 try:
     import getopt
     import gettext
@@ -72,12 +59,13 @@
     version = "1.5"
     configfile = os.path.expanduser("~/.pastebinit.xml")

-    # Custom urlopener to handle 401's
-    class pasteURLopener(FancyURLopener):
+    class PasteRequest(request.Request):
         version = "Pastebinit v%s" % version

-        def http_error_401(self, url, fp, errcode, errmsg, headers, data=None):
-            return None
+        def __init__(self, *args, **opts):
+            super(PasteRequest, self).__init__(*args, **opts)
+            if 'User-agent' not in self.headers:
+                self.add_header('User-agent', self.version)

     def preloadPastebins():
         # Check several places for config files:
@@ -86,8 +74,8 @@
         #  - user's overrides in ~/.pastebin.d
         # Files found later override files found earlier.
         pastebind = {}
-        for confdir in ['/usr/share/pastebin.d', '/etc/pastebin.d',
-                        '/usr/local/etc/pastebin.d',
+        for confdir in ['@TERMUX_PREFIX@/share/pastebin.d', '@TERMUX_PREFIX@/etc/pastebin.d',
+                        '@TERMUX_PREFIX@/local/etc/pastebin.d',
                         os.path.expanduser('~/.pastebin.d'),
                         os.path.join(
                             os.path.dirname(
@@ -410,25 +398,25 @@
         else:
             post_format = 'standard'

-        url_opener = pasteURLopener()
+        req = PasteRequest(fetch_url)

         if post_format == 'json':
             if json:
-                params = json.dumps(params)
-                url_opener.addheader('Content-type', 'text/json')
+                params = bytes(json.dumps(params), encoding='US-ASCII')
+                req.add_header('Content-type', 'text/json')
             else:
                 print(_("Could not find any json library."), file=sys.stderr)
                 sys.exit(1)
         else:
             # Convert to a format usable with the HTML POST
-            params = urlencode(params)
+            params = bytes(urlencode(params), encoding='US-ASCII')

         # Send the informations and be redirected to the final page
         if verbose:
             print("POSTing to: %s\nParams: %s" % (
                 fetch_url, str(params)), file=sys.stderr)
         try:
-            page = url_opener.open(fetch_url, params)
+            page = request.urlopen(req, params)
         except Exception as e:
             print(_("Failed to contact the server: %s") % e, file=sys.stderr)
             sys.exit(1)