Avoid os.putenv calls on FreeBSD

Turns out even when we suppress the exceptions it causes the interpreter to print to stdout. Lets just avoid these calls entirely on FreeBSD. Dropping the catch clauses since we were only doing this due to FreeBSD.

Avoid os.putenv calls on FreeBSD
f4cfa060 · Damian Johnson · 68f6f573 · f4cfa060
Commit f4cfa060 authored 7 years ago by Damian Johnson
--- a/nyx/starter.py
+++ b/nyx/starter.py
@@ -87,15 +87,14 @@ def main(config):
  _use_unicode()
  _set_process_name()

-  try:
-    os.putenv('LANG', 'C')  # make subcommands (ps, netstat, etc) provide english results
-  except OSError:
-    pass
+  # These os.putenv calls fail on FreeBSD, and even attempting causes python to
+  # print the following to stdout...
+  #
+  #   nyx: environment corrupt; missing value for

-  try:
+  if not stem.util.system.is_bsd():
+    os.putenv('LANG', 'C')  # make subcommands (ps, netstat, etc) provide english results
    os.putenv('ESCDELAY', '0')  # make 'esc' take effect right away
-  except OSError:
-    pass

  try:
    nyx.curses.start(nyx.draw_loop, acs_support = config.get('acs_support', True), transparent_background = True, cursor = False)