@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 # -*- coding: utf-8 -*-

 # Copyright © 2017-2019 Xavier G. <xavier.boobank@kindwolf.org>

 # This work is free. You can redistribute it and/or modify it under the

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 # -*- coding: utf-8 -*-

 # Copyright © 2017-2019 Xavier G. <xavier.boobank@kindwolf.org>

 # This work is free. You can redistribute it and/or modify it under the

@@ -45,21 +45,22 @@ def run_boobank(conf):

                                        stdout=subprocess.PIPE, close_fds=True, bufsize=-1)

     # Send all commands at once:

     for command in commands:

-        boobank_process.stdin.write(command['command'] + "\n")

-    boobank_process.stdin.write("quit\n")

+        command_line = command['command'] + "\n"

+        boobank_process.stdin.write(command_line.encode('utf-8'))

+    boobank_process.stdin.write("quit\n".encode('utf-8'))

     boobank_process.stdin.flush()

     boobank_process.stdin.close()

     # Parse output to extract relevant lines only:

     out_time = time.time()

     out_lines = []

     while True:

-        out_line = boobank_process.stdout.readline()

+        out_line = boobank_process.stdout.readline().decode('utf-8')

         if not out_line:

             break

         rem = re.search(r'^boobank>\s*(.+)$', out_line)

         if rem:

             out_lines.append(rem.group(1))

-    for i in xrange(len(commands)):

+    for i in range(len(commands)):

         out_data = json.loads(out_lines[i])

         commands[i]['result'] = {'timestamp': out_time, 'data': out_data}

     return results

@@ -96,7 +97,7 @@ def write_cache(results):

         if 'data' not in command['result'] or not command['result']['data']:

             continue

         cache_path = os.path.expanduser(command['cache_path'])

-        mkdir(os.path.dirname(cache_path), 0700)

+        mkdir(os.path.dirname(cache_path), 0o700)

         with open(cache_path, 'w') as filedesc:

             json.dump(command['result'], filedesc, indent=4)

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 # -*- coding: utf-8 -*-

 # Copyright © 2017-2019 Xavier G. <xavier.boobank@kindwolf.org>

 # This work is free. You can redistribute it and/or modify it under the

@@ -71,7 +71,7 @@ def send_account(graphite_socket, account, timestamp):

     pattern = '%s %.2f %d\n'

     values = (get_path(account), float(account['balance']), int(timestamp))

     line = pattern % values

-    graphite_socket.send(line)

+    graphite_socket.send(line.encode('utf-8'))

 if __name__ == '__main__':

     main()

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 # -*- coding: utf-8 -*-

 # Copyright © 2017-2019 Xavier G. <xavier.boobank@kindwolf.org>

 # This work is free. You can redistribute it and/or modify it under the